Frymaster Fryer CFD User Manual

- DEAN D, SCFD, and CFD Models  
- DEAN HD and SCFHD Models  
- FRYMASTER FPD65 and FPHD65 Models  
Please read all sections of this manual and retain for future reference.  
NON-CE &  
Dean, a member of the Commercial Food Equipment Service Association, recommends using  
CFESA Certified Technicians.  
24-Hour Service Hotline 1-800-551-8633  
MAY 2007  
PRINTED IN  
THE UNITED STATES  
OF AMERICA  
* 8 1 9 5 6 9 8 *  
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NOTICE  
This appliance is intended for professional use only and is to be operated by qualified  
personnel only. A Frymaster and Dean Factory Authorized Service Center (FASC) or other  
qualified professional should perform installation, maintenance, and repairs. Installation,  
maintenance, or repairs by unqualified personnel may void the manufacturer’s warranty. See  
Chapter 1 of this manual for definitions of qualified personnel.  
NOTICE  
This equipment must be installed in accordance with the appropriate national and local codes of  
the country and/or region in which the appliance is installed. See NATIONAL CODE  
REQUIREMENTS in Chapter 3 of this manual for specifics.  
NOTICE  
Drawings and photos used in this manual are intended to illustrate operational, cleaning and  
technical procedures and may not conform to onsite management operational procedures.  
NOTICE TO OWNERS OF UNITS EQUIPPED WITH COMPUTERS  
U.S.  
This device complies with Part 15 of the FCC rules. Operation is subject to the following two  
conditions: 1) This device may not cause harmful interference, and 2) This device must accept  
any interference received, including interference that may cause undesired operation. While  
this device is a verified Class A device, it has been shown to meet Class B limits.  
CANADA  
This digital apparatus does not exceed the Class A or B limits for radio noise emissions as set  
out by the ICES-003 standard of the Canadian Department of Communications.  
Cet appareil numerique n’emet pas de bruits radioelectriques depassany les limites de classe A  
et B prescrites dans la norme NMB-003 edictee par le Ministre des Communications du Canada.  
DANGER  
Improper installation, adjustment, maintenance or service, and unauthorized alterations or  
modifications can cause property damage, injury, or death. Read the installation, operating and  
service instructions thoroughly before installing or servicing this equipment. Only qualified  
service personnel may convert this appliance to use a gas other than that for which it was  
originally configured. See Chapter 1 of this manual for definition of qualified service personnel.  
NOTICE  
The Commonwealth of Massachusetts requires any and all gas products to be installed by a  
licensed plumber or pipe fitter.  
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DANGER  
Adequate means must be provided to limit the movement of this appliance without depending  
upon the gas line connection. Single fryers equipped with legs must be stabilized by installing  
anchor straps. All fryers equipped with casters must be stabilized by installing restraining  
chains. If a flexible gas line is used, an additional restraining cable must be connected at all  
times when the fryer is in use.  
DANGER  
The front ledge of the fryer is not a step. Do not stand on the fryer. Serious injury can result  
from slips or contact with the hot oil.  
DANGER  
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any  
other appliance.  
DANGER  
Instructions to be followed in the event the operator smells gas or otherwise detects a gas leak  
must be posted in a prominent location. This information can be obtained from the local gas  
company or gas supplier.  
DANGER  
The crumb tray in fryers equipped with a filter system must be emptied into a fireproof container  
at the end of frying operations each day. Some food particles can spontaneously combust if left  
soaking in certain shortening material. Additional information can be obtained in the filtration  
manual included with the system.  
WARNING  
No structural material on the fryer should be altered or removed to accommodate placement of  
the fryer under a hood. Questions? Call the Frymaster and Dean Service Hotline at 1-800-551-  
8633.  
WARNING  
Do not bang fry baskets or other utensils on the fryer’s joiner strip. The strip is present to seal  
the joint between the frypot. Banging fry baskets on the strip to dislodge shortening will distort  
the strip, adversely affecting its fit. It is designed for a tight fit and should only be removed for  
cleaning.  
NOTICE  
IF, DURING THE WARRANTY PERIOD, THE CUSTOMER USES A PART FOR THIS ENODIS  
EQUIPMENT OTHER THAN AN UNMODIFIED NEW OR RECYCLED PART PURCHASED  
DIRECTLY FROM FRYMASTER AND DEAN, OR ANY OF ITS AUTHORIZED SERVICE CENTERS,  
AND/OR THE PART BEING USED IS MODIFIED FROM ITS ORIGINAL CONFIGURATION, THIS  
WARRANTY WILL BE VOID. FURTHER, FRYMASTER AND DEAN AND ITS AFFILIATES WILL  
NOT BE LIABLE FOR ANY CLAIMS, DAMAGES OR EXPENSES INCURRED BY THE CUSTOMER  
WHICH ARISE DIRECTLY OR INDIRECTLY, IN WHOLE OR IN PART, DUE TO THE  
INSTALLATION OF ANY MODIFIED PART AND/OR PART RECEIVED FROM AN UNAUTHORIZED  
SERVICE CENTER.  
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High Efficiency Decathlon (HD) Series Gas Fryers  
Installation & Operation Manual  
TABLE OF CONTENTS  
Page #  
1-1  
1.  
INTRODUCTION  
Applicability and Validity  
After Purchase  
1.1  
1.2  
1.3  
1.4  
1.5  
1.6  
1.7  
1-1  
1-1  
Ordering Parts  
1-1  
Service Information  
Computer Information  
Safety Information  
Service Personnel  
1-2  
1-2  
1-3  
1-3  
2.  
IMPORTANT INFORMATION  
Receiving and Unpacking Equipment  
General  
2-1  
2-1  
2-1  
2-2  
2-2  
2-3  
2-3  
2-4  
2-5  
2.1  
2.2  
2.3  
2.4  
2.5  
2.6  
2.7  
2.8  
Product Description  
Principles of Operation  
Rating Plate  
Pre-Installation  
Air Supply and Ventilation  
Equipment Installed at High Altitudes  
3.  
INSTALLATION  
3-1  
3-1  
3-1  
3-2  
3-3  
3-6  
3-7  
3-7  
3-9  
3.1  
3.2  
3.3  
3.4  
3.5  
3.6  
3.7  
3.8  
Installing the Fryer  
Leveling the Fryer (Fryers equipped with legs only)  
Installing Casters and Legs  
Gas Connections  
Gas Specifications  
Gas Adjustment  
Gas Conversion Procedures  
Electrical Connections  
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High Efficiency Decathlon (HD) Series Gas Fryers  
Installation & Operation Manual  
TABLE OF CONTENTS (CONT.)  
Page #  
4-1  
4.  
FRYER OPERATIONS  
Initial Start-up  
4.1  
4.2  
4.3  
4-1  
Boil-Out Procedure  
Final Preparation  
4-3  
4-5  
5.  
CONTROLLER OPERATING INSTRUCTIONS  
5-1  
5-1  
5-2  
5.1  
5.2  
Operating Instructions: Electronic Thermostat Controller  
Electronic Thermostat Controller/Computer with Back-Up Thermostat  
6.  
FILTRATION  
6-1  
6-1  
6-1  
6-2  
6-2  
6.1  
6.2  
6.3  
6.4  
General  
Filter Preparation  
Daily Filter Operation  
Operating the Filter  
7.  
PREVENTATIVE MAINTENANCE  
7-1  
7-1  
7-1  
7-2  
7-2  
7.1  
7.2  
7.3  
7.4  
Daily  
Weekly  
Periodic/Annual  
Stainless Steel Care  
8.  
TROUBLESHOOTING  
8-1  
8-1  
8-2  
8-3  
8.1  
8.2  
8.3  
Pilot Burner Malfunction  
Main Burner Malfunctions  
Electronic Thermostat Calibration  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 1: INTRODUCTION  
1.1 Applicability and Validity  
The Dean Decathlon Series gas model family (D models) has been approved by the European  
Union (EU) for sale and installation in the following EU countries: AT, BE, KE, KD, ES, FI,  
FR, GB, IE, IT, LU, NL, NO, PT and SE.  
The Dean High Efficiency Decathlon Series gas model family (HD models) has not been  
approved by the European Union (EU) for sale or installation in EU countries. Information  
regarding this fryer is for non-members of the EU only.  
This manual is applicable to and valid for all Dean Decathlon gas units sold in English-  
speaking countries, including those in the European Union. This manual is applicable to and  
valid for all Dean High Efficiency Decathlon gas units sold in English-speaking countries,  
excluding the European Union. Where conflicts exist between instructions and information in  
this manual and local or national codes of the country in which the equipment is installed,  
installation and operation shall comply with those codes.  
This appliance is only for professional use and shall be used by qualified personnel as defined  
in Section 1.7.  
1.2 After Purchase  
In order to improve service, have the following chart filled in by the Dean Authorized Service  
Technician who installed this equipment.  
Authorized Service  
Technician/FASC  
Address  
Telephone/Fax  
Model Number  
Serial Number  
Gas Type  
1.3 Ordering Parts  
Customers may order parts directly from their local factory authorized service center. For this  
address and phone number, contact your factory authorized service center or call the Dean Service  
Hotline phone number, 1-800-551-8633.  
To speed up your order, provide the model number, serial number, gas type, part needed, item part  
number (if known), and quantity needed.  
1-1  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 1: INTRODUCTION  
1.4 Service Information  
Call the Dean Service Hotline, 1-800-551-8633, for the location of your nearest factory authorized  
service center. To assist you more efficiently, always provide the service technician with the model  
number, gas type, serial number, and the nature of the problem.  
1.5 Computer Information  
This equipment has been tested and found to comply with the limits for a Class A digital device,  
pursuant to Part 15 of the FCC rules. While this device is a verified Class A device, it has been  
shown to meet the Class B limits. These limits are designed to provide reasonable protection against  
harmful interference when the equipment is operated in a commercial environment. This equipment  
generates, uses, and can radiate radio frequency energy and may cause harmful interference to radio  
communications if not installed and used in accordance with the instruction manual. Operation of  
the equipment in a residential area is likely to cause harmful interference in which case the user will  
be required to correct the interference at his/her own expense.  
The user is cautioned that any changes or modifications not expressly approved by the party  
responsible for compliance could void the user's authority to operate the equipment.  
If necessary, the user should consult the dealer or an experienced radio and television technician for  
additional suggestions.  
The user may find the following booklet prepared by the Federal Communications Commission  
helpful: "How to Identify and Resolve Radio-TV Interference Problems". This booklet is available  
from the U.S. Government Printing Office, Washington, DC 20402, Stock No. 004-000-00345-4.  
1.6 Safety Information  
Before attempting to operate your unit, read the instructions in this manual thoroughly.  
Throughout this manual, you will find notations enclosed in double-bordered boxes similar to the  
ones below.  
CAUTION  
CAUTION boxes contain information about actions or conditions that may cause or result in a  
malfunction of your system.  
WARNING  
WARNING boxes contain information about actions or conditions that may cause or result in  
damage to your system, and which may cause your system to malfunction.  
DANGER  
DANGER boxes contain information about actions or conditions that may cause or result in injury  
to personnel, and which may cause damage to your system and/or cause your system to malfunction.  
1-2  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 1: INTRODUCTION  
1.7 Service Personnel  
A. Qualified and/or Authorized Operating Personnel  
1. Qualified/authorized operating personnel are those who have carefully read the information  
in this manual and have familiarized themselves with the equipment functions, or have had  
previous experience with the operation of equipment covered in this manual.  
B. Qualified Installation Personnel  
1. Qualified installation personnel are individuals, firms, corporations, and/or companies, that,  
either in person or through a representative, are engaged in and responsible for the  
installation of gas-fired appliances. Qualified personnel must be experienced in such work,  
be familiar with all gas precautions involved, and have complied with all requirements of  
applicable national and local codes.  
C. Qualified Service Personnel  
1. Qualified service personnel are those who are familiar with Dean equipment and have been  
authorized by Dean to perform service on Dean equipment. All authorized service  
personnel are required to be equipped with a complete set of service parts manuals and stock  
a minimum amount of parts for Dean equipment. A list of Dean Factory Authorized Service  
Centers (FASCs) was included with the fryer when shipped from the factory. Failure to use  
qualified service personnel will void the Dean warranty on your equipment.  
1-3  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 2: IMPORTANT INFORMATION  
2.1 Receiving and Unpacking Equipment  
A. Check that the container is upright. Use an outward prying motion - no hammering - to  
remove the carton. Unpack the fryer carefully and remove all accessories from the carton.  
Do not discard or misplace these, as they will be needed.  
B. After unpacking, immediately check the equipment for visible signs of shipping damage. If  
damage has occurred, contact the carrier and file the appropriate freight claims. Do not  
contact the factory. Shipping damage responsibility is between the carrier and the dealer.  
If your equipment arrives damaged:  
1. File claim for damages immediately, regardless of extent of damage.  
2. Visible loss or damage: Be sure this is noted on the freight bill or express receipt and is  
signed by the person making the delivery.  
3. Concealed loss or damage: If damage is unnoticed until equipment is unpacked, notify  
freight company or carrier immediately, and file a concealed damage claim. This should  
be done within 15 days of date of delivery. Be sure to retain container and all packing  
materials for inspection.  
NOTE: Dean Does Not Assume Responsibility for Damage or Loss Incurred in Transit.  
C. Frying systems with built-in filtration: Take off the filter support brace and remove the  
filter pan from the cabinet.  
D. Decathlon four-battery systems: Casters are pre-installed on the frying system and the  
carton is furnished with three unloading ramps. Remove the braces from the front casters by  
taking out the securing bolts. Carefully roll the unit down the ramps from the front (cooking  
side).  
E. Remove all plastic skin from sides, front, and doors of the fryer(s). Failure to do this prior to  
initial fryer operation will make it very difficult to remove later.  
2.2 General  
Qualified, licensed, and/or authorized installation or service personnel only (as defined in  
Section 1.6) should perform the following:  
Installation and service on Dean equipment.  
Conversion of this appliance from one gas type to another.  
Failure to use qualified, licensed, and/or authorized installation or service personnel to install,  
convert to another gas type or otherwise service this equipment will void the Dean warranty  
and may result in damage to the equipment or injury to personnel.  
2-1  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 2: IMPORTANT INFORMATION  
2.2 General (cont.)  
Where conflicts exist between instructions and information in this manual and local code or  
national codes, or regulations, installation and operation shall comply with the codes or  
regulations in force in the country in which the equipment is installed.  
DANGER  
Building codes prohibit a fryer with its open tank of hot oil/shortening from being  
installed beside an open flame of any type, including those of broilers and ranges.  
Upon arrival, inspect the fryer carefully for visible or concealed damage. (See Receiving and  
Unpacking Equipment in Section 2.1.)  
CAUTION  
Dean appliances equipped with legs are for stationary installations. Appliances  
fitted with legs must be lifted during movement to avoid damage to the appliance  
and bodily injury. For moveable installations, optional equipment casters must be  
used. Questions? Call 1-800-551-8633.  
2.3 Product Description  
Dean Decathlon Series gas fryers are energy efficient, tube-style, gas-fired units. All units are  
shipped completely assembled with accessories packed inside the frypot. All units are adjusted,  
tested and inspected at the factory before shipment. Sizes, weights and input rates of all models are  
listed in this manual.  
WARNING  
The on-site supervisor is responsible for ensuring that operators are made aware of  
the inherent hazards of operating a hot oil frying system, particularly the aspects of  
system operation, oil filtration, draining and cleaning procedures.  
2.4 Principles of Operation  
The incoming gas flows through orifices and is mixed with air in the burners to create the correct  
ratio for proper combustion. The mixture is ignited at the front end of each heat tube by the pilot  
light. Internal diffusers slow the flame as it goes through the burner tube. This slow, turbulent flame  
increases heat transfer to the walls of the tubes to heat the oil more efficiently.  
2-2  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 2: IMPORTANT INFORMATION  
2.5 Rating Plate  
This is attached to the inside front door panel. Information provided includes the model and serial  
number of the fryer, BTU/hr input of the burners, outlet gas pressure in inches W.C. and whether the  
unit has natural or propane gas orifices.  
DANGER  
Fryers MUST be connected ONLY to the gas type identified on the attached rating  
plate.  
2.6 Pre-installation  
DANGER  
No structural material on the fryer should be altered or removed to accommodate  
placement of the fryer under a hood. Questions? Call the Dean Service Hotline at 1-  
800-551-8633.  
DANGER  
Do not connect this appliance to the gas supply before reviewing all information in  
this chapter.  
A. General: Only licensed personnel should install any gas-fired equipment.  
1. A manual gas shut-off valve must be installed in the gas supply line ahead of the fryers for  
safety and ease of future service.  
2. Dean Decathlon Series gas fryers require 120VAC 60 cycle or 230VAC single-phase 50 Hz  
(International) electrical service and are equipped with a 16-3 SJT grounded flexible power  
cord for a direct connection to the power supply. Amperage draw for each unit depends on  
the accessories supplied with the unit/system.  
B. Clearances: The fryer area must be kept free and clear of all combustibles. This unit is design-  
certified for the following installations:  
1. Commercial installation only (not for household use).  
2. Non-combustible floor installation equipped with factory-supplied 6 in. (15 cm) adjustable  
legs or 5 in. (13 cm) casters;  
3. Combustible construction with a minimum clearance of 6 in. (15 cm) side and 6 in. (15 cm)  
rear, and equipped with factory-supplied 6 in. (15 cm) adjustable legs or 5 in. (13 cm)  
casters.  
2-3  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 2: IMPORTANT INFORMATION  
2.6 Pre-installation (cont.)  
C. Installation Standards  
1. U.S. installations must meet:  
2. Canadian installations must meet:  
American National Standard Institute  
ANSI Z83.11  
American Gas Association  
8501 E. Pleasant Valley Road  
Cleveland, OH 44131  
CAN 1-B149 Installation Codes  
Canadian Gas Association  
55 Scarsdale Road  
Don Mills, ONT, M3B 2R3  
National Electrical Code  
ANSI/NFPA #70  
American National Standard Institute  
1430 Broadway  
Canadian Electric Code c22.1, part 1  
Canadian Standards Association  
178 Rexdale Blvd.  
Rexdale, ONT, M9W 1R3  
New York, NY 10018  
NFPA Standards #96 and #211  
National Fire Protection Association  
470 Atlantic Avenue  
Boston, MA 02110  
3. CE/Export Standards: Fryer installation must conform with local codes, or, in the  
absence of local codes, to the appropriate national or European Community (CE)  
standards.  
2.7 Air Supply and Ventilation  
DANGER  
This appliance must be installed with sufficient ventilation to prevent the occurrence  
of unacceptable concentrations of substances harmful to the health of personnel in  
the room in which it is installed.  
Keep the area around the fryer clear to prevent obstruction of combustion and ventilation airflow as  
well as for service and maintenance.  
A. Do not connect this fryer to an exhaust duct.  
B. Correct installation and adjustment will ensure adequate airflow to the fryer system.  
C. A commercial, heavy-duty fryer must vent its combustion wastes to the outside of the building.  
A deep-fat fryer must be installed under a powered exhaust hood, or an exhaust fan must be  
provided in the wall above the unit, as exhaust gas temperatures are approximately 800-1000°F  
(427-538°C). Check air movement during installation. Strong exhaust fans in the exhaust  
hood or in the overall air conditioning system can produce slight air drafts in the room.  
2-4  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 2: IMPORTANT INFORMATION  
2.7 Air Supply and Ventilation (cont.)  
D. Do not place the fryer’s flue outlet directly into the plenum of the hood, as it will affect the  
gas combustion of the fryer.  
E. Never use the interior of the fryer cabinet for storage or store items on shelving over or  
behind the fryer. Exhaust temperatures can exceed 800°F (427°C) and may damage or melt  
items stored in or near the fryer.  
F. Adequate distance must be maintained from the flue outlet of the fryer(s) to the lower edge  
of the filter bank. Per NFPA Standards No. 96, a minimum of 18 in. (45 cm) should be  
maintained between the flue(s) and the lower edge of the exhaust hood filter.  
G. Filters and drip troughs should be part of any industrial hood, but consult local codes before  
constructing and installing any hood. The duct system, the exhaust hood and the filter bank  
must be cleaned on a regular basis and kept free of grease.  
2.8 Equipment Installed at High Altitudes  
A. The fryer input rating (BTU/hr) is for elevations up to 2,000 ft (610 m). For elevations  
above 2,000 ft (610m), the rating should be reduced four percent for each additional 1,000 ft  
(305m) above sea level.  
B. The correct orifices are installed at the factory if operating altitude is known at time of the  
customer’s order.  
2-5  
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DECATHLON (D & HD) SERIES GAS FRYERS  
CHAPTER 3: INSTALLATION  
3.1 Installing the Fryer  
NOTE: HD Series fryers have not been approved for use in the European Union (EU) and cannot be sold or  
installed in EU countries. Only D Series fryers have been approved for sale and installation in EU countries.  
A. Initial Installation: If the fryer is installed with legs, do not push the fryer to adjust its  
position. Use a pallet or lift jack to lift the fryer slightly, and then place the fryer where it  
is to be installed.  
B. Relocating the fryer: Remove all weight from each leg before moving a fryer with legs  
installed. Do not slide the fryer on the legs.  
C. If a leg becomes damaged, contact your service agent for immediate repair/replacement.  
3.2 Leveling the Fryer (Fryers equipped with legs only)  
A. All Installations: If the floor is uneven or has a definite slope, place the fryer on a level  
platform.  
B. Place a carpenter's spirit level across the top of the fryer and level the unit both front-to-  
back and side-to-side. If it is not level, the unit may not function efficiently, the oil may  
not drain properly for filtering and in a line-up it may not match adjacent units.  
C. Adjust to the high corner and measure with the spirit level. If floor is uneven, level the  
unit with the screw adjustments on each leg (ensure minimum clearances as discussed  
in Chapter 2 are maintained during the leveling procedure).  
D. Re-leveling: If the fryer is moved, re-level the fryer following the above instructions.  
E. The install must be reviewed at the time of installation to ensure it meets the intent of  
these instructions.  
CAUTION  
Fryers must be at room temperature, empty of oil, and if fitted with legs, lifted during  
movement to avoid damage and possible bodily injury.  
DANGER  
Hot shortening can cause severe burns. Avoid contact. Under all circumstances, oil  
must be removed from the fryer before attempting to move it to avoid oil spills, and  
the falls and severe burns that could occur. This fryer may tip and cause personal  
injury if not secured in a stationary position.  
3-1  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 3: INSTALLATION  
3.3 Installing Casters and Legs  
A. Install casters and/or legs near where the fryer is to be used, as neither is secure for long  
transit. Decathlon Series gas fryers cannot be curb-mounted and must be equipped with  
either legs or casters provided.  
B. After unpacking, use a pallet or lift jack to raise the unit before installing the casters.  
C. Align the caster or leg base holes with the leg support assembly and insert bolt. Install  
the washers and nut hand tight, and repeat for all four holes in caster/leg base assembly.  
D. Tighten the caster/leg against the leg support assembly by using appropriate tools.  
Ensure that all four bolts are evenly tightened. Tighten the bolts to 50 inch-lbs. (5.65 Nm)  
torque.  
E. For fryer with casters, there are no built-in leveling devices. The floor where the  
fryers are installed must be level.  
Optional Caster-  
Rear Only  
Optional Caster-  
Front Only  
Front View  
Rear Side View  
1/4-20 x 3/4 Hex Bolt  
Front Channel or  
Rear Channel  
Front Channel  
or Rear Channel  
Leg Support Assembly  
Washer  
1/4-20 Hex Head Locknut  
1/4-20 x 3/4 Hex Bolt  
Front or Rear Leg with  
Mounting Plate  
Front Caster—5" Swivel  
w/Brake  
Rear Caster—5" Rigid  
Adjust as needed  
Caster/Leg Installation and Adjustment  
WARNING  
Dean fryers equipped with legs are for permanent installations. Fryers fitted with  
legs must be lifted during movement to avoid damage and possible bodily injury. For  
a moveable or portable installation, Dean optional equipment casters must be used.  
Questions? Call 1-800-551-8633.  
3-2  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 3: INSTALLATION  
3.4 Gas Connections  
DANGER  
Before connecting new pipe to this appliance the pipe must be blown out thoroughly  
to remove all foreign material. Foreign material in the burner and gas controls will  
cause improper and dangerous operation.  
U.S. NATIONAL CODE REQUIREMENTS  
This equipment is to be installed in compliance with the Basic Plumbing Code of the Building  
Officials and Code Administrators International, Inc. (BOCA) and the Food Service Sanitation  
Manual of the U.S. Food and Drug Administration.  
This equipment is manufactured to use the type of gas specified on the rating plate attached to the  
door. Connect equipment stamped "NAT" only to natural gas and that stamped "PRO" only to LP  
(Propane) gas.  
Installation shall be made with a gas connector that complies with national and local codes.  
Quick disconnect devices, if used, shall likewise comply with national and local codes.  
DANGER  
The fryer MUST be connected to the gas supply specified on the rating and serial number  
plate located on the back of the fryer door.  
DANGER  
If gas odors are detected, the gas supply MUST be shut off at the main shut-off valve. The  
local gas company or FASC should be contacted immediately to rectify the problem.  
The gas supply (service) line must be the same size or greater than the fryer inlet line. This fryer is  
equipped with a ¾" (22 mm) male inlet. The gas supply line must be sized to accommodate all the  
gas-fired equipment that may be connected to that gas supply. Consult your contractor, gas  
company, supplier, or other knowledgeable authorities.  
Recommended Gas Supply Line Sizes  
Gas Types  
Number of Fryers  
2 to 3  
1
4 or more (*)  
1¼" (35 mm)  
1" (28 mm)  
Natural Gas  
Propane (LP) Gas  
1" (28 mm)  
¾" (22 mm)  
½" (15 mm)  
¾" (22 mm)  
(*) When exceeding 18 feet for a configuration of more than four fryers, it is necessary to provide  
a 1¼" (35 mm) rigid gas connection.  
3-3  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 3: INSTALLATION  
3.4 Gas Connections (cont.)  
Gas Supply Type and Pressure  
Gas Supply Type  
Gas Supply Pressure  
Natural Gas  
Propane (LP) Gas  
6-10" W.C. (Dynamic)  
11-13" W.C. (Dynamic)  
DANGER  
When pressure-testing incoming gas supply lines, disconnect the fryer from the gas  
line if the test pressure is ½" PSI [3.45 kPa (14 inches W.C.)] or greater to avoid  
damage to the fryer’s gas piping and gas valve(s).  
DANGER  
All connections must be sealed with a joint compound suitable for the gas being  
used and all connections must be tested with a solution of soapy water before  
lighting any pilots.  
Never use matches, candles, or any other ignition source to check for leaks. If gas  
odors are detected, shut off the gas supply to the appliance at the main shut-off  
valve and immediately contact the local gas company or an authorized service  
agency for service.  
DANGER  
"Dry-firing" your unit will cause damage to the frypot and can cause a fire. Always  
ensure that melted shortening, cooking oil or water is in the frypot before firing the  
unit.  
A. Rigid Connections: Check any installer-supplied intake pipe(s) visually and clean  
threading chips, or any other foreign matter before installing into a service line. If the  
intake pipes are not clear of all foreign matter, the orifices will clog when gas pressure is  
applied. Seal pipe joints with a sealant resistive to LP gas. When using thread compound  
on gas piping, use very small amounts and only on male threads. Use a pipe thread  
compound that is not affected by the chemical action of LP gases. DO NOT apply thread  
compound to the first two pipe threads—doing so will cause clogging of the burner  
orifices and control valve.  
B. Manual shut-off valve: This gas service supplier-installed valve must be installed in the  
gas service line ahead of the fryers in the gas stream and in a position where it can be  
reached quickly in the event of an emergency.  
C. Regulating Gas Pressure: The fryer and shut-off valve must be disconnected from the gas  
supply during any pressure testing of the system.  
NOTE: External gas regulators are not normally required on this fryer. A safety control  
valve protects the fryer against pressure fluctuations. If the incoming pressure is in  
excess of ½" PSI (3.45 kPa/35 mbar), a step-down regulator is required.  
3-4  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 3: INSTALLATION  
3.4 Gas Connections (cont.)  
DANGER  
When pressure-testing incoming gas supply lines, disconnect the fryer from the gas  
line if the test pressure is ½" PSI [3.45 kPa (14 inches W.C.)] or greater to avoid  
damage to the fryer’s gas piping and gas valve(s).  
D. Manifold Pressure: Your local service technician should check the manifold pressure with a  
manometer.  
1. Check the rating plate for specific manifold gas pressures. Natural gas units normally require  
4" W.C. (10.0 mbar), and propane/LP units normally require 11" W.C. (27.5 mbar) gas  
pressure.  
2. Confirm that the arrow forged into the bottom of the regulator body, which indicates gas flow  
direction, is pointed downstream towards the fryers. The air vent cap is also part of the regulator and  
should not be removed. If a vent line from the gas pressure regulator is used, it should be installed in  
accordance with local codes or in the absence of local codes, with the National Fuel Gas Code,  
ANSI Z223.1-(latest edition) in the U.S. and appropriate national or European Community (CE)  
standards in the European Union.  
WARNING  
Use a diluted soap solution to find potentially dangerous gas leaks when making  
new connections.  
E. Regulators can be adjusted in the field, but it is recommended that qualified service personnel adjust a  
regulator only if it is known to be out of adjustment or serious pressure fluctuations have been found and  
can not be solved another way.  
F. Only qualified service personnel should make adjustments to the regulators.  
G. Orifices: The fryer can be configured to operate on any available gas. The correct safety control valve,  
appropriate gas orifices, and pilot burner are installed at the factory. While the valve can be adjusted in  
the field, only qualified service personnel should make adjustments with proper test equipment.  
H. Flexible Couplings, Connectors and Casters: If the fryer is to be installed with flexible couplings and/or  
quick-disconnect fittings, the installer must use a heavy-duty AGA design-certified commercial flexible  
connector of at least ¾" NPT (with suitable strain relief), in compliance with the Standard for Connectors  
for Movable Gas Appliances, ANSI Z21.69-(latest edition) and Addenda Z21.69a-(latest edition). Quick  
disconnect devices must comply with the Standard for Quick-Disconnect Devices for Use with Gas Fuel,  
ANSI Z21.41-(latest edition).  
1. For an appliance equipped with casters, the installation in the U.S. shall be made with a connector  
that complies with Standard for Connectors for Movable Gas Appliances, ANSI Z21.69-(latest  
edition) and Addenda Z21.69a-(latest edition). In the European Union, use a flexible coupling  
certified as NF D 36123 (or other national standard) or a quick disconnect device certified NF D  
36124 (or other national standard).  
3-5  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 3: INSTALLATION  
3.5 Gas Connections (cont.)  
WARNING  
Do not attach accessories to this fryer unless fryer is secured from tipping. Personal  
injury may result.  
2. The fryer must be restrained by means independent of the flexible coupling or  
connector in order to limit the movement of the fryer. Restraining brackets are  
located on the back panel of the fryer for the attachment of restraints.  
3. If disconnection of the restraint is necessary, this restraint must be reconnected after  
the fryer has been returned to its originally installed position.  
I. After hook-up, bleed the gas line of air to ensure that the pilot light will ignite quickly.  
AUSTRALIAN REQUIREMENTS  
To be installed in accordance with AS 5601 / AG 601, local authority, gas, electricity, and any other  
relevant statutory regulations.  
3.5 Gas Specifications  
NON-CE (Altitudes of 2000 feet or less)  
EQUIPMENT  
PRESSURE  
INPUT  
(BTU)  
GAS  
ORIFICE  
(MM)  
ORIFICE  
MODEL  
D20G  
QTY  
TYPE  
PART NO.  
MBAR  
INCH W.C.  
NAT  
LP  
2.18(#44)  
1.40(#54)  
810-2050  
810-2324  
2
2
10  
27.5  
4
11  
50  
85  
NAT  
LP  
2.08(#45)  
1.32(#55)  
14-0067-45  
810-2441  
4
4
10  
27.5  
4
11  
D50G  
NAT  
LP  
2.53(#39)  
1.51(#53)  
810-2048  
810-2059  
4
4
10  
27.5  
4
11  
D50G(HP)  
D50GDDHP  
D60G  
120  
115  
112  
150  
122  
165  
95  
NAT  
LP  
2.44(#41)  
1.51(#53)  
14-0067-41  
810-2059  
4
4
10  
27.5  
4
11  
NAT  
LP  
2.08(#45)  
1.32(#55)  
14-0067-45  
810-2441  
5
5
10  
27.5  
4
11  
NAT  
LP  
2.53(#39)  
1.51(#53)  
810-2048  
810-2059  
5
5
10  
27.5  
4
11  
D60G(HP)  
D80G  
NAT  
LP  
2.26(#43)  
1.40(#54)  
810-2049  
810-2324  
5
5
10  
27.5  
4
11  
NAT  
LP  
2.58(#38)  
1.61(#52)  
810-2062  
810-2063  
5
5
10  
27.5  
4
11  
D80G(HP)  
HD50G  
NAT  
LP  
2.26(#43)  
1.40(#54)  
810-2938  
810-2939  
4
4
10  
27.5  
4
10  
NAT  
LP  
2.26(#43)  
1.40(#54)  
810-2938  
810-2939  
5
5
10  
27.5  
4
10  
HD60G  
125  
NOTE: Outlet gas pressure must be adjusted strictly within the above requirements 5 to 10 minutes after the appliance is operating.  
(Pilot Flame Adjustment: Turn the pilot adjustment screw clockwise/counter-clockwise until the desired flame-volume is achieved.)  
3-6  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 3: INSTALLATION  
3.5 Gas Specifications  
CE ONLY (Altitudes of 2000 feet or less)  
EQUIPMENT  
PRESSURE  
INPUT  
(kW)  
GAS  
ORIFICE  
(MM)  
ORIFICE  
MODEL  
D20G  
D50G  
D60G  
D80G  
QTY  
TYPE  
PART NO.  
MBAR  
INCH W.C.  
G20  
G25  
G31  
2,40  
2,40  
1,51  
810-2060  
810-2060  
810-2059  
2
2
2
10,0  
15,0  
27,0  
4,0  
6,0  
10,8  
15,0  
30,0  
37,5  
37,5  
G20  
G25  
G31  
2,40  
2,40  
1,51  
810-2060  
810-2060  
810-2059  
4
4
4
10,0  
15,0  
27,0  
4,0  
6,0  
10,8  
G20  
G25  
G31  
2,40  
2,40  
1,51  
810-2060  
810-2060  
810-2059  
5
5
5
10,0  
15,0  
27,0  
4,0  
6,0  
10,8  
G20  
G25  
G31  
2,40  
2,40  
1,51  
810-2060  
810-2060  
810-2059  
5
5
5
10,0  
15,0  
27,0  
4,0  
6,0  
10,8  
NOTE: Outlet gas pressure must be adjusted strictly within the above requirements 5 to 10 minutes after the appliance is operating.  
(Pilot Flame Adjustment: Turn the pilot adjustment screw clockwise/counter-clockwise until the desired flame-volume is achieved.)  
3.6 Gas Conversion Procedures  
DANGER  
This appliance was configured at the factory for a specific type of gas. Converting from  
one gas type to another requires the installation of specific gas-conversion components.  
Switching to a different type of gas without installing the proper conversion  
components may result in fire. NEVER ATTACH THIS APPLIANCE TO A GAS  
SUPPLY FOR WHICH IT IS NOT CONFIGURED!  
Conversion of this appliance from one type of gas to another should only be  
performed by qualified, licensed, and authorized installation or service personnel, as  
defined in Section 1.6 of this manual.  
Contact factory with the following information when performing conversions:  
Fryer Serial Number  
Fryer Model Number  
Gas Type  
Operating Altitude  
Conversions can only be executed by qualified, factory-authorized personnel.  
Pilot pressure adjustment  
(remove cover screw to  
access)  
Pressure flow adjustment  
(remove cover screw to  
access)  
Regulator Vent  
Pilot gas supply  
connection.  
ON/OFF  
Gas-Cock Knob  
Typical non-CE gas valve for electronic-ignition equipped fryers.  
3-7  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 3: INSTALLATION  
3.7 Electrical Connections  
The fryer when installed must be electrically grounded in accordance with local codes, or in the  
absence of local codes, with the National Electrical Code, ANSI/NFPA 70-(latest edition).  
DANGER  
This fryer is equipped with a three-prong (grounding) plug for protection against  
electrical shock and must be plugged directly into a properly grounded, three-prong  
receptacle. DO NOT CUT, REMOVE, OR OTHERWISE BYPASS THE GROUNDING  
PRONG ON THIS PLUG!  
The rating plate and wiring diagram are located inside the front door. The fryer is equipped with a  
120VAC single-phase 60-hertz system (Domestic), or 230VAC single-phase 50-hertz system  
(International/CE). Do not cut or remove the ground prong from the power cord plug. Do not  
attempt to use the fryer during a power outage.  
DANGER  
This appliance requires electrical power for operation. Place the gas control valve in  
the OFF position in case of a prolonged power outage. Do not attempt to operate  
this appliance during a power outage.  
3-8  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 4: FRYER OPERATIONS  
4.1 Initial Start-up  
WARNING  
The on-site supervisor is responsible for ensuring that operators are made aware of  
the inherent hazards of operating a hot oil frying system, particularly the aspects of  
system operation, oil filtration, draining and cleaning procedures.  
Cleaning: New units are wiped clean with solvents at the factory to remove any visible signs of dirt,  
oil, or grease remaining from the manufacturing process, and then coated lightly with oil. Before  
any food preparation, wash thoroughly with hot, soapy water to remove any film residue and dust or  
debris then rinse out and wipe dry. Also wash any accessories shipped with the unit. Close the drain  
valve completely and remove the crumb screen covering the heating tubes. Ensure the screws  
holding the thermostat and high-limit control sensing bulbs into the frypot are tight.  
Typical high-limit/sensor probe locations and mounting hardware.  
WARNING  
Do not bang fry baskets or other utensils on the fryer’s joiner strip. The strip is  
present to seal the joint between the frypot. Banging fry baskets on the strip to  
dislodge shortening will distort the strip, adversely affecting its fit. It is designed for  
a tight fit and should only be removed for cleaning.  
DANGER  
Never operate this appliance with an empty frypot. The frypot must be filled with  
water or cooking oil/shortening before lighting the burners. Failure to do so will  
damage the frypot and may cause a fire.  
WARNING  
When checking for burner ignition or performance, do not get too close to the  
burners. Slow ignition can cause possible flashback, increasing the potential for  
facial and body burns.  
4-1  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 4: FRYER OPERATIONS  
4.1.1 Pilot Lighting Procedures, Standing Pilot Only  
Initial Pilot Lighting: All Dean fryers are tested, adjusted and calibrated to sea level conditions before  
leaving the factory. Adjustments to assure proper operation of pilot may be necessary on installation  
to meet local conditions, low gas pressure, differences in altitude and variations in gas characteristics.  
These adjustments correct possible problems caused by rough handling or vibration during shipment,  
and are to be performed only by qualified service personnel. These adjustments are the responsibility  
of the customer and/or the dealer and are not covered by the Dean Industries warranty.  
The inlet pipe at the lower rear of the fryer brings incoming gas to the pilot safety control valve, then  
to the pilot and main burners. The pilot is located high in the cabinet center, at the base of the frypot.  
Light the pilot as follows:  
1. Turn off the manual shut-off valve on the incoming service line.  
2. Turn the operating thermostat or the computer off.  
3. Depress the pilot gas cock dial on the combination control valve and turn to "OFF".  
4. Wait approximately 5 minutes for accumulated gas to disperse.  
Note: Inspect high-limit thermostat/temperature probe location prior to filling  
frypot with water or oil. Ensure that connecting hardware is intact and bulbs are  
properly attached.  
5. Fill the frypot with oil or water to the bottom OIL LEVEL line scribed on the frypot back.  
Ensure that heating tubes are covered in liquid prior to engaging burners.  
6. Open the manual shut-off valve on the incoming service line.  
7. Apply lighted match or taper to the pilot burner head.  
8. Turn the gas cock dial on the control valve to "Pilot", then  
depress and hold the dial until the pilot stays lit for  
approximately 1 minute after the flame appears on the pilot.  
Release the knob. The pilot should remain lit.  
Piezo Ignitor: Turn the gas cock dial on the control valve to  
"Pilot", and then repeatedly press the piezo ignitor button while  
depressing the gas valve knob until the pilot lights. Continue to  
Piezo ignitor  
button  
hold the knob in for 1 minute. Release the knob. The pilot should  
remain lit.  
9. If the pilot fails to stay lit, depress the dial and re-light the pilot, depressing the dial  
longer before releasing.  
10. When the pilot stays lit, turn the gas cock dial to "ON".  
11. Turn the operating thermostat, computer or controller on, and then ensure the main  
burners ignite from the pilot.  
4-2  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 4: FRYER OPERATIONS  
4.1.2 Pilot Lighting Procedures, Electronic Ignition Systems  
WARNING  
Never use a match or taper to light pilot on this ignition system.  
1. Turn gas "ON".  
2. Turn electric power "ON" with the appropriate rocker switch or controller/computer.  
3. The ignition module will energize the pilot gas supply and the igniter. The igniter spark will  
ignite the pilot gas. The presence of the pilot flame is then proved by a flame sensor, which  
sends a signal to the main gas supply, opening the valve. The operating thermostat or  
computer/controller controls the fryer after ignition.  
WARNING  
In the event of prolonged power failure, the ignition module will shut down and lock  
out the system. Turn the unit power "OFF" and then back "ON" after power has been  
re-established.  
4. If the pilot flame fails, the ignition module will shut down and lock out the system. To restart,  
turn the electric power "OFF", wait approximately 5 minutes for the system to recycle itself, and  
then turn the power "ON" again. Repeat Steps 1-3.  
4.2 Boil-Out Procedure  
DANGER  
Never leave the fryer unattended during the boil-out process. If the boil-out solution  
boils over, turn the fryer off immediately and let the solution cool for a few minutes  
before resuming the process. To lessen the chance of boil over, turn the fryer’s gas  
valve knob to the PILOT position occasionally.  
WARNING  
Do not drain boil-out solution into a shortening disposal unit, a built-in filtration unit,  
or a portable filter unit. These units are not intended for this purpose, and will be  
damaged by the solution.  
DANGER  
Remove all drops of water from the frypot before filling with cooking oil or  
shortening. Failure to do so will cause spattering of hot liquid when the oil or  
shortening is heated to cooking temperature and may cause injury to nearby  
personnel.  
4-3  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 4: FRYER OPERATIONS  
4.2 Boil-Out Procedure (cont.)  
A. Pour cleaning solution into the frypot and add water to the bottom OIL LEVEL line scribed  
in the back of the frypot.  
B. Operating thermostat-equipped fryers: Set dial/temperature controller to 225°F (107ºC), just  
above that of boiling water.  
C. Filtration/Boil-Mode equipped fryers: Turn fryer power switch to "ON". Press the fryer-  
reset switch (if applicable). Turn the boil-out switch "ON".  
CAUTION  
If the pilot and main burner go out, the fryer(s) MUST be left completely shut down at  
least 5 minutes before lighting.  
D. The main burner will ignite.  
E. When the solution nears boiling point, reset the temperature controller to 200° (93ºC).  
F. The burners should shut off just as the water starts to boil.  
CAUTION  
Do not leave fryer unattended. The boil-out solution may foam and overflow if fryer is  
left unattended. Press ON/OFF switch to the "OFF" position (Filtration/Boil-Mode  
equipped fryers) or reduce temperature (Operating Thermostat equipped fryers) to  
control this condition.  
G. The burners will heat the boil-out solution to a simmer. Simmer the solution for  
approximately 45 minutes. Wearing protective gloves, scrub the sides of the frypot and the  
tubes with the L-shaped Teflon brush, being careful not to disturb the temperature sensing  
probes and the high-limit thermostat.  
H. Do not allow the water level to decrease below the bottom OIL LEVEL line in frypot during  
boil-out operation.  
WARNING  
Water or boil-out solution MUST not be allowed to drain into the filter pan or filter  
system. Irreversible damage will result if water is allowed into the system.  
I. Operating Thermostat equipped fryers: After boil out is complete, turn the thermostat dial to  
"OFF". Filtration/Boil-Mode equipped fryers: After boil out is complete, turn the boil-out  
and fryer switches to "OFF". Drain the solution from the frypot. Place a metal stockpot of  
sufficient size to safely hold the entire contents of the frypot under the drain port to collect  
the water/boil-out solution. Do not allow water or boil-out solution to drain into the filter  
pan. The filter pump is not designed for water operation, and will be irreparably damaged  
(see warning statement above).  
4-4  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 4: FRYER OPERATIONS  
4.2 Boil-Out Procedure (cont.)  
J. Close the drain, add fresh water (without boil-out solution) and wash all surfaces of the  
frypot. Drain again.  
K. Refill the frypot with fresh water and vinegar to neutralize any residual boil-out solution.  
Wash all surfaces of the frypot. Drain completely and wipe down all surfaces of the frypot  
to completely remove all water.  
Computer-equipped fryers: See computer manual for boil-out programming and follow the  
above procedures for boil-out.  
DANGER  
Do not go near the area directly over the flue outlet while the fryer is operating.  
Always wear oil-proof, insulated gloves when working with the fryer filled with hot  
oil.  
Always drain hot oil into a metal stockpot of sufficient size to safely hold the entire  
contents of the frypot.  
4.3 Final Preparation  
WARNING  
NEVER set a complete block of solid shortening on top of heating tubes. To do so  
will damage the heating tubes and frypot, and void the warranty.  
A. When using a liquid shortening, fill the fryer to the bottom OIL LEVEL line scribed into the  
back of the frypot.  
B. When using a solid shortening, first melt it in a suitable container, or cut it into small pieces  
and pack it below the heat tubes, between the tubes and on top of the tubes, leaving no air  
spaces around the tubes. Do not disturb or bend the sensing bulbs.  
C. Electronic Thermostat Controller with Melt Cycle Option Enabled: Set the controller to the  
working temperature. The burners will cycle on approximately 5 seconds, and off for  
approximately 15 seconds until the temperature reaches 150°F (66°C). The electronic  
thermostat will then switch to normal operation.  
4-5  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 4: FRYER OPERATIONS  
4.3 Final Preparation (cont.)  
D. Operating Thermostat: Turn the burners "ON" for about 10 seconds, "OFF" for a minute,  
etc., until the shortening is melted. If you see smoke coming from the shortening while  
melting this way, shorten the "ON" cycle and lengthen the "OFF" cycle. Smoke indicates  
potential scorching of the shortening, which will shorten its useful life.  
E. Compu-Fry Computer: Press the computer on/off switch to "ON". The burners will initially  
operate in the MELT CYCLE mode until the shortening reaches 180°F. It will then  
automatically switch to normal operation.  
F. When the frypot is filled and the shortening is melted, carefully replace the crumb screen  
over the heat tubes. Wear oil-proof insulated gloves to avoid the potential for burn injury  
when placing crumb screen in frypot.  
G. Before starting operation, set the electronic thermostat/operating thermostat or program the  
computer to the probable working temperature and wait for the temperature to stabilize.  
For additional computer operational procedures, see computer manual  
that shipped with fryer.  
4-6  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 5: CONTROLLER OPERATING INSTRUCTIONS  
5.1 Operating Instructions: Electronic Thermostat Controller  
Decathlon Series gas fryers come standard with an electronic thermostat controller, which  
incorporates a temperature-control circuit board, a potentiometer, and a temperature probe. The  
potentiometer knob is turned to the desired temperature setting, similar to a standard thermostat.  
Various switch options for the controller are available, based on fryer options at the time of order.  
Typical switch options are illustrated below.  
Fryer Power Switch: Turns fryer on  
and off.  
Drain Reset Switch  
(Optional): Resets drain  
safety switch after closing  
drain valve. Drain valve  
must be completely closed  
prior to resetting switch.  
Boil-Out Switch (Optional):  
POWER  
When "ON", this switch by-  
passes the melt-cycle and  
allows the water temperature  
to reach 196°F.  
O
F
F
O
N
FRYER  
R
E
S
E
T
BOIL OUT  
O
F
F
O
N
7 Amp (115VAC) or 5 Amp  
(230VAC) Filter Reset Breaker  
(if equipped with filter system):  
Inline between the filter pump  
and the filter power switch.  
Ensure power is "OFF" before  
resetting or replacing.  
Manual Filter Power Switch (if  
equipped with filter system):  
Connects/disconnects power to  
filter pump if primary system fails.  
Fryer power switch should be  
"OFF" when filter is in use.  
Electronic thermostat controller with power switch and boil-  
out option.  
5–1  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 5: CONTROLLER OPERATING INSTRUCTIONS  
5.1 Operating Instructions: Electronic Thermostat Controller (cont.)  
FRYER POWER SWITCH – This switch turns the fryer on and off. When the power switch is in  
the "ON" position, the indicator light will be lit when calling for heat.  
BOIL-OUT SWITCH (Optional) – When the boil-out switch is "ON", it will bypass the electronic  
thermostat melt-cycle, and allow the water temperature to reach approximately 196°F (91°C).  
DRAIN RESET SWITCH (Optional) – Resets drain safety switch after draining the fryer. Drain  
valve must be closed completely before resetting switch.  
MANUAL FILTER POWER SWITCH (if equipped with filter system) – Controls power to the  
filter pump in the event the primary system fails. Fryer Power Switch should be in "OFF" position  
when in use.  
FILTER RESET BREAKER (7 Amp Circuit Breaker- 120VAC or 5 Amp Circuit Breaker-  
230VAC) – the breaker is inline between the filter switch and the pump. Ensure filter power is off  
prior to resetting or replacing.  
5 AMP (115VAC) or 2 AMP (230VAC) FUSE – each fryer circuit is protected by a 5 amp  
(115VAC) or 2 amp (230VAC) fuse located under the control panel.  
5.2 Electronic Thermostat Controller/Computer  
Main Power Switch (optional): connects/disconnects primary  
power; double-lighted with center position "OFF". This switch  
Fryer Power Switch: controls power to  
controls two Electronic Thermostat controllers/Compu-Fry or  
each individual fryer, both in Electronic  
remote computers and/or two back-up thermostats (optional).  
Thermostat or back-up mode.  
C
O
M
P
U
T
C
O
M
P
U
T
POWER  
ON OFF ON  
MAIN POWER  
POWER  
ON OFF ON  
MAIN POWER  
B
A
C
K
B
A
C
K
O
F
F
T
M
T
O
F
F
T
M
T
O
N
O
N
OR  
OR  
U
P
U
P
E
R
BOIL OUT  
BOIL OUT  
E
R
O
F
F
O
F
F
O
N
O
N
Filter Reset Switch [7 Amp (115VAC) or  
5 Amp (230VAC) Circuit Breaker]: this  
switch is inline between the filter pump  
and incoming line voltage. Ensure  
power is "OFF" before resetting or  
replacing.  
High-Limit Reset Switch: located under  
each individual control panel. This  
switch must be manually reset if fryer  
exceeds high-limit setpoint.  
Boil-Out Switch: operates only in "Electronic Thermostat" mode.  
When "ON", this switch bypasses the Electronic Thermostat  
melt-cycle and allows the water temperature to reach 196°F  
(91°C).  
5–2  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 5: CONTROLLER OPERATING INSTRUCTIONS  
5.2 Electronic Thermostat Controller/Computer (cont.)  
MAIN POWER SWITCH – connects/disconnects primary power; double-lighted with center  
position "OFF". One main switch controls two electronic thermostats/Compu-Fry or remote  
computers. When the main power switch is in the center position, power is removed from the two  
fryers controlled by the electronic thermostats/Compu-Fry or remote computers. When the main  
power switch is pressed to the right, power is supplied to the electronic thermostat/Compu-Fry or  
remote computer of each fryer.  
INDIVIDUAL FRYER POWER SWITCH – this switch controls power to the individual fryer.  
When the power switch is in the "ON" position, the indicator light will be lighted when calling for  
heat. The power switch only removes power from the temperature control circuit (electronic  
thermostat controller). The power switch should be in the "OFF" position during filtering.  
BOIL-OUT SWITCH operates only when the electronic thermostat controller is enabled.  
When the boil-out switch is "ON", it will bypass the melt cycle, and allow the water temperature to  
reach approximately 196°F (91°C).  
HIGH-LIMIT RESET – this reset button is located under each individual control panel, and must  
be manually reset if the fryer exceeds high-limit setpoint.  
FILTER RESET BREAKER (7 amp circuit breaker- 120VAC, or 5 amp circuit breaker- 230VAC)  
– the breaker is in line between the filter switch and the pump. Ensure filter power is off prior to  
resetting or replacing.  
5 AMP (115VAC) or 2 AMP (230VAC) FUSE – each fryer circuit is protected by a 5 amp  
(115VAC) or 2 amp (230VAC) fuse located under the control panel.  
5–3  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 6: FILTRATION  
WARNING  
Drawings and photos used in this manual are intended to illustrate operational,  
cleaning and technical procedures and may not conform to on-site management  
operational procedures.  
6.1 General  
Most SUFF/UFF systems use filter paper as the filter medium. Some filter systems can be special  
ordered with a filter-leaf assembly, which eliminates the need for filter paper. Both types require the  
use of filter powder to enhance the filtration process. Photos used in the procedural illustrations may  
or may not resemble the filter unit that came with the frying system. The following procedures  
apply to all fryers equipped with SUFF/UFF filter systems. Filter system design depends on the  
frying system configuration (single or multi-batteried systems- see photos below).  
Typical Under Fryer Filter (UFF) installed in a  
multi-batteried frying system.  
Typical Single Under Fryer Filter (SUFF)  
installed in a single fryer.  
6-1  
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SUFF/UFF FILTRATION SYSTEMS  
CHAPTER 6: INSTALLATION AND OPERATION  
6.2  
Filter Preparation  
On initial installation and before each use, clean the filter:  
a. remove all loose parts from the filter,  
b. wash the filter pan and all accessories in hot, soapy water,  
c. and dry thoroughly.  
6.2.1 Filter Unit Types  
FILTER PAPER AND HOLD DOWN RING  
Filter paper is held in place by a hold-down ring. Oil moves through the paper, leaving behind  
impurities.  
1. Filter pan.  
2. Filter support grid.  
6
3. Filter paper.  
5
4. Hold-down ring.  
5. Crumb screen.  
4
6. Filter pan lid.  
3
2
1
A filter unit which utilizes disposable filter  
paper to filter oil.  
6-2  
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SUFF/UFF FILTRATION SYSTEMS  
CHAPTER 6: INSTALLATION AND OPERATION  
6.2.1 Filter Unit Types (cont.)  
FILTER LEAF  
A filter leaf is a fine mesh screen which is reusable and takes the place of disposable paper. Oil  
moves through the leaf, leaving behind impurities.  
1. Filter pan.  
2. Filter leaf.  
4
3. Crumb Screen.  
4. Filter pan lid.  
5. Caster.  
3
2
1
5
A filter unit which utilizes a filter leaf to filter the oil.  
6-3  
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SUFF/UFF FILTRATION SYSTEMS  
CHAPTER 6: INSTALLATION AND OPERATION  
6.2.2 Assembling the Filter  
FILTER PAPER AND HOLD DOWN RING  
1. Place the support grid in the bottom of filter  
pan.  
Support grid properly placed in filter pan.  
2. Put one filter paper sheet on top of the  
support grid. Be sure the paper covers the  
filter pan bottom and laps two inches onto the  
pan wall.  
Ensure filter paper overlaps two inches on all  
sides and is evenly distributed under the hold-  
down ring.  
3. Position the hold-down ring on top of the  
filter paper. Ensure the hold-down ring seals  
around the support grid. This prevents air  
from getting into the system.  
Hold-down ring positioned correctly over filter  
paper in filter pan.  
6-4  
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SUFF/UFF FILTRATION SYSTEMS  
CHAPTER 6: INSTALLATION AND OPERATION  
6.2.2 Assembling the Filter (cont.)  
4. Sprinkle 8 ounces (227g) of filter powder on  
the filter sheet. Ensure the powder covers the  
filter paper evenly.  
Sprinkle the proper amount of filter powder evenly  
over the paper.  
5. Place the crumb screen in the filter pan.  
Allow the crumb screen to rest on the top  
edges of the hold-down ring.  
Crumb screen properly placed.  
6. Place filter pan cover onto the filter pan  
assembly. Ensure the pickup tube is properly  
positioned in the pan lid access hole.  
Fully assembled pan with pickup tube properly  
positioned in pan lid access hole. Position may  
vary between models.  
6-5  
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SUFF/UFF FILTRATION SYSTEMS  
CHAPTER 6: INSTALLATION AND OPERATION  
6.2.2 Assembling the Filter (cont.)  
FILTER LEAF  
1. Remove the filter pan from the fryer by  
pulling out on the filter pan handle.  
2. Remove the filter pan lid picking it up off of  
the pan.  
handle  
Pull out on the handle to remove the filter pan.  
3. Remove the crumb basket by lifting it up and  
out of the filter pan. Be careful not to damage  
the tubes or connectors in the pan.  
Remove the crumb screen by lifting it up and out.  
4. Remove the filter leaf by lifting up on the  
pickup tube and raising the filter leaf  
assembly gently out of the filter pan.  
5. Clean the filter leaf assembly, crumb screen,  
and pan with warm soapy water. Thoroughly  
rinse and dry.  
6. When it is clean, place the filter leaf carefully  
back into the filter pan.  
Carefully remove the filter leaf assembly.  
6-6  
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SUFF/UFF FILTRATION SYSTEMS  
CHAPTER 6: INSTALLATION AND OPERATION  
6.2.2 Assembling the Filter (cont.)  
7. Sprinkle 8 ounces (227g) of filter powder on  
the filter leaf. Ensure the powder covers the  
mesh evenly.  
Applying filter powder to filter-leaf.  
8. Replace the crumb tray in the pan after filter  
powder application.  
Crumb screen properly placed in filter pan.  
9. Replace the pan lid. Ensure the pickup tube is  
properly positioned in the pan lid access hole.  
Fully assembled pan with pickup tube properly  
positioned in pan lid access hole. Position may  
vary between models.  
6-7  
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SUFF/UFF FILTRATION SYSTEMS  
CHAPTER 6: INSTALLATION AND OPERATION  
6.2.3 Installing the Filter  
10. Slide the filter inside the fryer cabinet. Ensure the male-female pickup tubes are fully engaged.  
Ensure the filter pan opening is directly under the center dump tube.  
The filter pan slides under  
the fryer (left), connecting  
with a male connector (right).  
Ensure that the pickup tube  
is securely coupled with this  
connector. Its location may  
vary based on model.  
6.3  
Daily Filter Operation  
WARNING  
Use caution and wear proper protective clothing. The oil to be filtered is at or near  
350°F (177°C). Ensure all hoses are connected properly and drain handles are in  
their proper position prior to operating any switches or valves. Failure to do this can  
result in severe burns.  
WARNING  
Drawings and photos used in this manual are intended to illustrate operational,  
cleaning and technical procedures and may not conform to on-site management  
operational procedures.  
6.3.1 General Overview  
Only filter oil at operating temperature (~350°F/~177°C). When filtering begins, the filter motor  
engages and oil is drawn through filter paper or a filter-leaf assembly and pumped back into the  
frypot through oil return plumbing or an optional filter wand. The frypot’s drain remains open  
during the filtering process, allowing oil to filter through the frypot and back into the filter unit.  
Allow the oil to cycle through this process for approximately 5 minutes. At the end of 5 minutes,  
close the drain valve and allow the frypot to fill to the top OIL LEVEL line. Leave the pump  
running for 10-15 seconds after bubbles appear in the frypot or the optional wand sputters to ensure  
all oil is pumped from the drain pan and the lines. Close the oil return valve and, if an optional filter  
wand is used, press the wand toggle switch to OFF position.  
6-8  
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SUFF/UFF FILTRATION SYSTEMS  
CHAPTER 6: INSTALLATION AND OPERATION  
6.3.2 Filtering Tools  
Assemble tools to be used for filtering. These are supplied with the filter starter kit included with  
the fryer/filter system:  
Frypot/Filter Brush - used to clean frypot and filter pan sides and bottom, heating elements,  
and to dislodge sediment during filtration or oil change.  
Clean-out Rod (design may vary) - used to dislodge heavy debris in the drain tube (when needed).  
Filter Powder.  
Filter Paper (not used in filter-leaf equipped filter systems).  
The following tools are not required, but are recommended to make the filtering task easier.  
Measuring Cup - used to measure filter powder.  
Stainless Steel Crumb Scoop - for removing large debris from oil prior to filtering.  
Note: Always wear oil-resistant, insulated gloves and/or protective gear when  
working with hot oil.  
6-9  
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SUFF/UFF FILTRATION SYSTEMS  
CHAPTER 6: INSTALLATION AND OPERATION  
6.4 Operating the Filter  
6.4.1 Pan Preparation and Operation  
See Section 6.2.1, Assembling the Filter, and Section 6.2.2, Installing the Filter, for the appropriate  
filter preparation procedure. For optional filter hose and wand, see Section 6.4.3, Optional Filter  
Hose and Wand Operation.  
CAUTION  
NEVER operate the filter unit unless cooking oil is  
at operating temperature (~350°F/ ~177°C).  
1. Ensure the filter pan assembly is prepared as described in Section 6.2.1, Assembling the Filter,  
and ensure fryer is turned off.  
2. Remove fry baskets from frypot and skim any  
large debris from the oil. Use extreme  
caution, as oil is at or near operating  
temperature (~350°F/~177°C).  
Prior to filtering, skim any large debris from oil in  
frypot.  
3. Remove the support grid from the frypot  
using the clean-out rod. Stir the oil with the  
frypot/filter brush to suspend debris prior to  
draining.  
Removing support grid from fry vessel prior to  
filtering.  
6-10  
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SUFF/UFF FILTRATION SYSTEMS  
CHAPTER 6: INSTALLATION AND OPERATION  
6.4.1 Pan Preparation and Operation (cont.)  
4. After ensuring the filter pan is correctly  
positioned under the drain tubes, move the  
red handle to the open position (right) to  
drain the frypot into the filter pan. Drain  
ONLY one frypot at a time. The filter pan  
is designed to hold the contents of one  
frypot only.  
Move the red drain valve handle into the open  
position.  
5. After all oil has drained from the frypot into  
the filter pan, pull the yellow handle to open  
the oil return lines and activate the filter  
pump. Leave the red handle in the open  
position.  
Pull the yellow handle to open the oil return valve  
and activate the filter pump.  
6-11  
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SUFF/UFF FILTRATION SYSTEMS  
CHAPTER 6: INSTALLATION AND OPERATION  
6.4.2 Filter Operation  
6. Oil will begin to pump from the filter pan  
into the frypot. If the frypot tubes, sides and  
bottom have sediment deposits, clean the  
frypot with the cleaning brush included with  
the fryer. Clean beneath and under the burner  
tubes, using care not to disturb the probes  
(arrow).  
Clean all sediment and suspended particles from  
the burner tubes and frypot as the oil begins to  
circulate. Use care not to disturb the probes  
(arrow) on the burner tube.  
7. Allow the oil to circulate for approximately 5  
minutes (process known as "polishing") to  
remove suspended particles.  
Polishing the oil removes suspended particles,  
which increases the life of the oil.  
8. After the filter cycle is complete, close the  
drain valve (push the red handle to the left  
until it stops) and allow the fryer to refill (see  
Step 4 above for additional reference).  
After filtering is complete, close the red drain  
handle to start refilling the frypot.  
6-12  
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SUFF/UFF FILTRATION SYSTEMS  
CHAPTER 6: INSTALLATION AND OPERATION  
6.4.2 Filter Operation (cont.)  
9. After all oil is pumped back into the frypot,  
bubbles will form, indicating air in the oil  
return lines. Allow the oil to bubble for 10-  
15 seconds to ensure all oil is evacuated  
from the return lines. Push the yellow  
handle to close the oil return valve and  
deactivate the filter pump (see Step 5 above  
for additional reference).  
Allow the oil to bubble for 10-15 seconds to  
ensure evacuation of all oil in the return lines.  
10. If the oil level is low, add oil until the level  
is at the top OIL LEVEL line.  
DO NOT OVERFILL THE FYPOT. This  
will cause oil to splash out of the  
frypot during cooking and may  
cause burns or damage.  
Add oil/shortening until the oil level is at the top OIL  
LEVEL line. DO NOT OVERFILL THE FRYPOT.  
11. Replace the frypot grid, using care not to  
splash hot oil. Turn the fryer on.  
Replace the frypot grid, using care not to splash  
hot oil.  
6-13  
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DECATHLON SERIES GAS FRYERS  
CHAPTER 5: UNDER FRYER FILTER (SUFF/UFF) FILTRATION  
6.4.2 Filter Operation (cont.)  
12. Do not allow crumbs to accumulate in the  
crumb tray. The crumb tray MUST be  
emptied into a fireproof container at the end  
of frying operations EACH DAY (see  
DANGER statement below).  
Empty the filter pan crumb tray into a fire-proof  
container at the end of frying operations each day.  
DO NOT ALLOW CRUMBS TO ACCUMULATE IN  
TRAY.  
DANGER  
The crumb tray in fryers equipped with a filter system must be emptied into a  
fireproof container at the end of frying operations each day. Some food particles  
can spontaneously combust if left soaking in certain shortening material.  
WARNING  
Do not bang fry baskets or other utensils on the fryer’s joiner strip. The strip is  
present to seal the joint between the fry vessels. Banging fry baskets on the strip to  
dislodge shortening will distort the strip, adversely affecting its fit. It is designed for  
a tight fit and should only be removed for cleaning.  
6-14  
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SUFF/UFF FILTRATION SYSTEMS  
CHAPTER 6: INSTALLATION AND OPERATION  
6.4.3 Optional Filter Hose and Wand Operation  
Some frying systems come equipped with an optional filter hose, wand, and toggle switch to  
facilitate the removal of debris from the frypot. The hose attaches to a no quick-disconnect on the  
bottom front of the fryer and is controlled using a toggle switch on the fryer control panel.  
1. Ensure the oil is at operating temperature  
(~350°F/~177°C). Turn the fryer off and  
open the fryer drain valve. Allow the oil to  
drain into the filter pan.  
Moving the red drain valve handle to open the  
drain valve, allowing hot oil to drain into the  
filter pan.  
2. When all the oil has drained from the frypot,  
connect the hose/wand assembly to the quick-  
disconnect on the front bottom of the fryer  
cabinet. Ensure the hose is properly  
connected before proceeding.  
Optional hose/wand disconnect properly  
connected to disconnect valve in fryer  
cabinet.  
After the wand end is  
3. Place the wand into the open frypot and  
properly  
positioned  
activate the filter with the wand/disposal  
switch (rocker switch) on the front of the  
cabinet.  
inside the appropriate  
frypot, activate the  
filter pump with the  
wand/ disposal switch  
located on the front of  
the fryer.  
DO NOT PROCEED UNLESS THE WAND IS  
INSIDE THE FRYPOT. Hot oil can immediately  
flow from the wand when it is attached, causing  
burns if the wand is not in the frypot.  
6-15  
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SUFF/UFF FILTRATION SYSTEMS  
CHAPTER 6: INSTALLATION AND OPERATION  
6.4.3 Hose and Wand Operation (cont.)  
4. The oil will start to flow immediately into the  
frypot. Keep the wand inside the frypot at  
all times while the filter pump is activated.  
Yellow  
Red  
The red handle is attached to the drain valve. The  
yellow handle is attached to the oil return valve.  
5. Rinse debris from the frypot into the filter  
pan with the wand.  
When cleanup is  
complete, close the drain valve (red handle)  
and press the wand/disposal switch to OFF.  
Allow hose/wand to drain into the filter pan.  
6. Disconnect the hose/wand from the fryer.  
Use the optional wand to rinse debris from the  
frypot into the filter pan. Maintain a firm grip on  
the wand handle at all times.  
6.5 Complete Filtering  
1. Refill the frypot by pulling the yellow handle  
to open the oil-return valve (this activates the  
filter pump automatically).  
2. After the frypot refills, allow the oil to bubble  
for 10-15 seconds to ensure evacuation of all  
oil from the oil return lines. Push in the  
yellow handle to close the oil-return valve  
and de-activate the filter pump. Filtration is  
complete. Filter another frypot or return the  
fryer to operation.  
Return filtered oil to the frypot by pulling yellow  
handle to open oil return valve.  
6-16  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 7: PREVENTATIVE MAINTENANCE  
DANGER  
Never attempt to clean the fryer during the cooking process or when the frypot is  
filled with hot oil/shortening. If water comes in contact with oil/shortening heated to  
cooking temperature, it will cause spattering of the oil/shortening, which can result  
in severe burns to nearby personnel.  
Any equipment works better and lasts longer when maintained properly and kept clean. Cooking  
equipment is no exception. The Decathlon Series gas fryer should be kept clean during the working  
day, and thoroughly cleaned at the end of each day. Below are recommendations for daily, weekly  
and periodic preventative maintenance.  
7.1 Daily  
WARNING  
Use a commercial grade cleaner formulated to effectively clean and sanitize food-  
contact surfaces. Read the directions and precautionary statements for use.  
Particular attention must be paid to the concentration of cleaner and the length of  
time the cleaner remains on the food-contact surfaces.  
A. Remove and wash all removable parts.  
B. Clean all exterior surfaces of the cabinet. Do not use cleaners, steel wool, or any other  
abrasive material on stainless steel.  
C. Filter the cooking oil and replace if necessary. The oil should be filtered more frequently  
when under heavy use.  
7.2 Weekly  
A. Completely drain the oil from the fryer into a metal stockpot of sufficient size to safely hold  
the entire contents of the frypot for disposal. Do not use a glass or plastic container.  
B. Clean the frypot by following boil-out procedures in Chapter 4.2.  
WARNING  
Never allow water to boil down and expose the heating tubes. Frypot damage will  
result.  
7-1  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 7: PREVENTATIVE MAINTENANCE  
7.3 Periodic/ Annual  
The fryer should be inspected and adjusted periodically by qualified service personnel as part  
of a regular kitchen maintenance program.  
Dean recommends that the fryer be inspected at least annually by a Factory Authorized  
Service Technician as follows:  
Inspect fryer cabinet inside and out, front and rear, for excessive oil build-up and/or oil  
migration. Verify that burners and associated components (i.e. gas valves, pilot assemblies,  
igniters, etc.) are in good condition and functioning properly. Inspect all gas connections for  
leaks and ensure all connections are properly tightened.  
Verify that temperature and high-limit probes are properly connected, tightened and functioning  
properly.  
Verify all component box components (i.e. computer/controller, relays, transformers, interface  
boards, etc.) are in good condition and free from oil migration build-up and other debris. Inspect  
component box wiring and ensure all connections are tight and all wiring is in good condition.  
Ensure all safety features (i.e. drain safety switches, reset switches, etc.) are present and  
functioning properly.  
Verify that frypot is in good condition and free of leaks. Verify that frypot tube diffusers are  
present and in good condition (i.e. no visible deterioration or damage).  
Verify that all wiring and connections are tight and in good condition.  
See filtration manual for filtration maintenance procedures.  
7.4 Stainless Steel Care  
DANGER  
DO NOT let water splash into the tank of hot oil. It will splatter and can cause severe  
burns.  
All stainless steel fryer cabinet parts should be wiped regularly with hot, soapy water during the day,  
and with a liquid cleanser designed for stainless steel at the end of each day.  
A. Do not use steel wool, abrasive cloths, cleansers or powders.  
B. Do not use a metal knife, spatula or any other metal tool to scrape stainless steel! Scratches  
are almost impossible to remove.  
C. If it is necessary to scrape the stainless steel to remove any encrusted materials, soak the area  
first to soften the deposit, then use a wood or nylon scraper only.  
7-2  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 8: TROUBLESHOOTING  
DANGER  
Hot shortening will cause severe burns. Never attempt to move this appliance when  
filled with hot shortening or to transfer hot shortening from one container to another.  
DANGER  
This equipment should be unplugged when servicing, except when electrical circuit  
tests are required. Use extreme care when performing such tests.  
This appliance may have more than one electrical power supply connection point.  
Disconnect all power cords before servicing.  
Inspection, testing and repair of electrical components should be performed by an  
authorized service agent only.  
The problems and possible solutions covered are those most commonly encountered. To  
troubleshoot, perform the test set-up at the beginning of each condition. Follow each step in  
sequence.  
8.1 Pilot Burner Malfunction  
A. Pilot will not ignite; no evidence of gas at pilot burner.  
1. Check that gas valve is open and gas is present at the gas valve.  
2. Check pilot burner orifice for dirt or lint.  
3. Authorized Service Agent Only: Remove pilot burner gas-supply line and check for  
contamination; blow out if necessary, then reinstall.  
B. Pilot burner ignites but will not remain lit when gas valve manual knob is released.  
1. Check that thermocouple lead is properly screwed into thermocouple connection bushing  
on gas valve.  
2. Remove end of thermocouple lead from thermocouple connection bushing and clean with  
fine sandpaper or emery cloth.  
3. Authorized Service Agent Only: Pilot flame may be too high or too low. Adjust pilot  
flame adjustment screw so that pilot flame extends about 3/4-inch (19-mm) above the top  
of the pilot burner.  
4. Check all connections for cleanliness and security.  
8-1  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 8: TROUBLESHOOTING  
8.1 Pilot Burner Malfunction (cont.)  
C. Pilot flame of proper size, but is unstable. Flame wavers and does not envelope the  
thermocouple completely at all times.  
ƒ Check for drafts that might be caused by air conditioning equipment or make-up air  
apparatus. Turn air-moving equipment off and recheck the pilot.  
8.2 Main Burner Malfunctions  
A. Main burner will not come "ON"; gas not detected at main burner.  
1. Check that the gas valve is open.  
2. Check that the pilot is ignited and is operating properly.  
3. Authorized Service Agent Only: Check the high-limit switch for continuity.  
4. Authorized Service Agent Only: Check the combination gas valve and replace if  
defective.  
B. Main burner flames are small and appear lazy; shortening does not come up to temperature  
quickly.  
Authorized Service Agent Only: Check gas pressure at the pressure tap of the gas valve.  
Use dial type or standard water-type U-gauge manometer. With burner in operation, the  
pressure should be 4" W.C. for D and HD models utilizing natural gas. The pressure  
should be 11" W.C. for D models and 10" W.C. for HD models utilizing propane. If not,  
remove the pressure regulator adjustment cover. Use screwdriver to turn the adjusting  
screw for proper pressure. Replace cover, re-check pressure and re-install pressure tap  
plug.  
C. Signs of excessive temperature; shortening scorches and quickly becomes discolored.  
1. Check operating thermostat. May be out of adjustment or calibration. Recalibrate if  
necessary.  
2. Check gas pressure as outlined above.  
3. Shortening used is of inferior quality and/or shortening has been used too long. Replace  
shortening.  
4. Ensure frypot is clean when refilling with new shortening.  
8-2  
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HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS  
CHAPTER 8: TROUBLESHOOTING  
8.2 Main Burner Malfunctions (cont.)  
D. Fryer will not reach the temperature setting and/or runs erratically.  
1. Incorrect location of sensor probe or defective temperature sensor.  
2. Loose wiring/wire connection.  
E. Fryer shortening temperature cannot be controlled; fryer runs at high-limit temperature.  
1. Defective operating thermostat or temperature probe; Call Authorized Service Agent.  
8.3 Electronic Thermostat Controller Calibration  
The electronic thermostat controller maintains a specific cooking temperature through a sensing  
probe mounted in the frypot. If the actual temperature of the shortening varies from the controller  
dial setting, loosen the knob setscrew and rotate the knob until it agrees with that of the actual  
shortening temperature. When obtaining actual shortening temperature, ensure that the thermometer  
is inserted within 1 inch of the frypot-mounted probe. If proper calibration cannot be achieved,  
contact Authorized Service Agent for repair.  
Control knob setscrew location (arrow – counter-  
set in knob).  
Electronic thermostat probe in frypot  
(arrow).  
8-3  
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Dean, 8700 Line Avenue, PO Box 51000, Shreveport, Louisiana 71135-1000  
Shipping Address: 8700 Line Avenue, Shreveport, Louisiana 71106  
TEL 1-318-865-1711  
FAX (Parts) 1-318-688-2200  
FAX (Tech Support) 1-318-219-7135  
SERVICE HOTLINE  
1-800-551-8633  
PRINTED IN THE UNITED STATES  
819-5698  
MAY 2007  
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