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Service and Parts Manual
Frymaster, a member of the Commercial Food Equipment Service Association, recommends
using CFESA Certified Technicians.
JUNE 2005
24-Hour Service Hotline 1-800-551-8633
*8190001*
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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/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/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,
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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. DANGER No structural material on the fryer should be altered or removed to accommodate placem
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H50 SERIES GAS FRYERS TABLE OF CONTENTS CHAPTER 1: Service Procedures 1.1 Functional Description.......................................................................................................1-1 The Electronic Ignition System..........................................................................................1-1 Interface Boards .................................................................................................................1-2 Thermostats...........................
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H50 SERIES GAS FRYERS TABLE OF CONTENTS 2.2 Basket Lift Assemblies and Component Parts .................................................................. 2-3 2.2.1 Bell Crank Basket Lifts ...................................................................................... 2-3 2.2.2 Modular Basket Lifts.......................................................................................... 2-5 2.3 Blower Assemblies and Associated Components ....................................................
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H50 SERIES GAS FRYERS TABLE OF CONTENTS 2.13.11 Power Shower Assemblies (All Systems).........................................................2-52 2.13.12 Oil Disposal Systems Plumbing........................................................................2-53 2.13.13 Assembly Wand Plumbing (Japan)...................................................................2-55 2.13.14 Oil Disposal Wand Assembly...........................................................................2-56 2.14 Frypot Ass
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H50 SERIES GAS FRYERS CHAPTER 1: SERVICE PROCEDURES 1.1 Functional Description H50 Series fryers contain a welded stainless steel frypot that is directly heated by a high efficiency infrared burner system requiring approximately 43% less energy than conventional burners to cook the same volume. Self-contained combustion chambers (referred to as “burners”) are fitted into rails attached to the sides of the frypot, one on each side. Each combustion chamber is fitted with specia
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the other leg of the heat relay coils, which then close electronic switches in the 24 VAC circuit to provide current to the ignition module. Circuitry in the ignition module sends 24 VAC to the gas valve via a normally closed high-limit switch (and, in fryers with built-in filtration systems, a normally closed drain safety switch). Simultaneously, the module causes the ignitor to spark for 4 seconds to light the burner. A flame sensor verifies the burner ignition by measuring the flow of
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FREQUENTLY USED TEST POINTS FOR INTERFACE BOARDS 806-3398 AND 106-0386 Meter Test Setting Pins Results 12VAC Power to Controller 50VAC Scale 1 and 3 on J3 or J2 12-18 24VAC Power to Right Module 50VAC Scale 8 on J3 and GROUND 22-28 24VAC Power to Left Module (if present) 50VAC Scale 8 on J1 and GROUND 22-28 120 VAC Power 250VAC Scale 11 on J3 and GROUND 110-125 120 VAC Power to Blowers 250VAC Scale 12 on J3 and GROUND 110-125 24VAC Power to Full- or Right-vat High-Limit 50VAC Scale 9 on J3 and
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INTERFACE BOARD J2 12 VAC TO CPTR J3 PIN 1 1 GROUND GROUND 2 COMPUTER (12 VAC) J3 PIN 3 3 COMPUTER RT HT RELAY 4 COMPUTER 12 VDC TO RELAYS 5 COMPUTER LT HT RELAY 6 COMPUTER RT BL RELAY 7 * NOT USED NOT USED 8 ** Dual Vat configurations COMPUTER LT BL RELAY ** Full Vat configurations 9 ** ALR (RIGHT) RT ALARM OUT 10 COMPUTER SOUND DEVICE 11 * LT ALARM OUT AD (LEFT) 12 J3 PIN 6 COMPUTER 13 COMPUTER J1 PIN 2 & J3 PIN 2 14 COMPUTER J1 PIN 6 15 J1 J3 J2 PIN 1 12 VAC XFMR NOT USED NOT USED 1 1 J2
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THERMOSTATS All fryers in the H50 Series have temperature probes located on the front centerline of each frypot. (Dual-vat frypots have two probes, one in each vat.) In this type thermostat, the probe resistance varies directly with the temperature. That is, as the temperature rises, so does resistance, at a rate of approximately 2 ohms for every 1º F. Circuitry in the controller monitors the probe resistance and controls burner firing when the resistance exceeds or falls below pr
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1.4 Checking the Burner Manifold Gas Pressure 1. On non-CE fryers, ensure that the gas valve knob is in the OFF position. Honeywell ON OFF 2. Remove the pressure tap plug from the gas valve assembly. Pressure Tap Plug Typical Non-CE Typical CE Valve Valve Assembly Assembly 2. Insert the fitting for a gas pressure-measuring device into the pressure tap hole. 3. On non-CE fryers only, place the gas valve in the ON position. 4. Place the fryer power switch in the ON position.
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CE Standard CE Standard Burner Manifold Gas Pressures Burner Manifold Gas Pressures for Fryers Manufactured After April 1999 for Fryers Manufactured Through April 1999 Pressure (mbar) Pressure (mbar) Single Dual Single Dual Gas Vat Vat Gas Vat Vat Natural Gas Lacq Natural Gas Lacq 77 76,5 (G20) under 20 mbar (G20) under 20 mbar Natural Gas Gronique * Natural Gas Gronigue * 10 10 10 9 (G25) under 25 mbar (G25) under 25 mbar Natural Gas Gronique Natural Gas Gronigue 10 10 10 9 (G25) under 20 mba
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1.5 Measuring Flame Current When the burner flame is properly adjusted, it will produce a current between 2.5 μA and 3.5 μA. Flame current is measured by placing a microamp (not milliamp) meter in series with the sensing wire on the ignitor. This is accomplished as follows: 1. Place the fryer power switch in the OFF position. 2. Disconnect the sensing wire from one of the burner ignitors and connect it to the positive lead of the meter. Connect the negative lead of the meter to t
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7. Disconnect the ignition cables from the ignitors by grasping the boots and gently pulling toward you. 8. Remove the component box mounting screws. 9. Rotate the top of the component box out of the frame and carefully pull it out enough to disconnect the wiring harness plug(s) from the back of the box. 10. Remove the box and set it aside. 11. Make a note of the location of the existing wires. Using a pin-pusher, disconnect the tempera- ture probe wires (or high-limit thermosta
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5. Reverse the procedure to install the replacement module. 1.6.5 Replacing an Ignitor Assembly DANGER Drain the frypot or remove the handle from the drain valve before proceeding further. 1. Disconnect the fryer from the electrical supply. 2. Disconnect the ignition cable from the ignitor by grasping the boot and gently pulling toward you. 3. Remove the sheet metal screw securing the ignitor to the mounting plate and pull the ignitor from the fryer. 4. Reverse the proced
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Remove these fasteners. (On black-colored FASCO blowers there are three nuts. On silver-colored KOOLTRONICS blowers there are three screws.) 3. Wrap the motor with plastic wrap to prevent water from entering it. Spray degreaser or detergent on the blower wheel and the blower housing. Allow it to soak for five minutes. Rinse the wheel and housing with hot tap water, then dry with a clean cloth. Wrap the motor and wires with plastic wrap or a plastic bag. BLOWER HOUSING BLOWER W
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Left Viewing Port is Behind Motor Right (NOTE: Blower Viewing shield omitted Port for clarity.) The air/gas mixture is properly adjusted when the burner manifold pressure is in accordance with the applicable table on page 1-7 and the burners display a bright orange-red glow. If a blue flame is observed, or if there are dark spots on a burner face, the air/gas mixture requires adjustment. Adjusting Air/Gas Mixture Non-CE Units and CE Units Built After April 1999 On
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Adjusting Air/Gas Mixture CE Units Built Through April 1999 CE units built through April 1999 are equipped with a shield assembly in front of the blowers. An air shutter plate on the face of the shield assembly regulates the amount of airflow to the blower in- take. To adjust the shutter plate, loosen the locking screws and slide the shutter to the left or right as necessary to obtain a bright orange-red glow. Carefully hold the shutter plate in position and tighten the locking scre
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1.6.8 Replacing a Burner Assembly DANGER Drain the frypot or remove the handle from the drain valve before proceeding further. 1. Disconnect the unit from the electrical and gas supplies. 2. Remove the combustion air blower per the procedure found in Section 1.6.6. 3. Remove the four nuts from the air plenum assembly and pull the assembly straight out toward you until it clears the burner tubes. NOTE: On a dual vat fryer, it will be necessary to remove the drain valve handles be
