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PERFORMANCE PRO SERIES GAS FRYERS MODELS 35 & 45
Table of Contents
CHAPTER 1: Service Procedures
1.1 General .................................................................................................................................................1-1
1.1.1 Pilot Ignition ..............................................................................................................................1-1
1.1.2 Electronic Ignition .....................................................................................................................1-1
1.1.3 Controller Options .....................................................................................................................1-2
1.1.4 Thermostats and Temperature Probes ........................................................................................1-2
1.2 Moving the Fryer for Servicing ...........................................................................................................1-2
1.3 Diagnostic Procedures .........................................................................................................................1-3
1.3.1 Cleaning the Gas Valve Vent Tube ............................................................................................1-3
1.3.2 Checking the Burner Manifold Gas Pressure ............................................................................1-3
1.3.3 Adjusting the Pilot Flame ..........................................................................................................1-5
1.3.4 Adjusting Burner Ceramic Target Spacing and Alignment .......................................................1-5
1.3.5 Calibrating the Thermostat ........................................................................................................1-5
1.3.6 Testing the Temperature Prode ..................................................................................................1-7
1.4 Replacing Fryer Components ..............................................................................................................1-7
1.4.1 Replacing a Controller or Computer .........................................................................................1-7
1.4.2 Replacing the Operating Thermostat in Units with Thermostat Control Panels .......................1-8
1.4.3 Replacing the Operating Thermostat in Units with Thermostat Access Doors .........................1-8
1.4.4 Replacing the Temperature Probe ..............................................................................................1-9
1.4.5 Replacing the High-Limit Thermostat in Fryers with Thermostat Controls .............................1-9
1.4.6 Replacing the High-Limit Thermostat in Fryers with Other Controls ......................................1-9
1.4.7 Replacing the Heat Mode Indicator Light in Fryers with Thermostat Controls ......................1-10
1.4.8 Replacing the Power or Melt Cycle Switch in Fryers with Thermostat Controls ...................1-10
1.4.9 Replacing Burner Ceramic Targets ..........................................................................................1-11
1.4.10 Replacing the Gas Valve ........................................................................................................1-11
1.4.11 Replacing the Pilot Assembly or Thermopile ........................................................................1-12
1.4.12 Replacing the Frypot .............................................................................................................1-12
1.5 Troubleshooting and Problem Isolation .............................................................................................1-14
1.5.1 Typical Problems .....................................................................................................................1-14
Pilot Failure .............................................................................................................................1-14
Ignition Failure ........................................................................................................................1-14
Improper Burner Function .......................................................................................................1-15
Improper Temperature Control ................................................................................................1-17
Gas Valve Malfunction ............................................................................................................1-17
Computer Malfunction ............................................................................................................1-17
Filtration Malfunction..............................................................................................................1-19
Leakage ....................................................................................................................................1-20
Basket Lift Malfunction...........................................................................................................1-20
1.5.2 Interpretation of Analog Controller Lights ..............................................................................1-23
1.6 Probe Resistance Chart ......................................................................................................................1-23
1.7 Troubleshooting Guides .....................................................................................................................1-24
1.7.1 Troubleshooting the 24 VAC Circuit: Analog Controller ........................................................1-24
Troubleshooting the 24 VAC Circuit: Electronic Ignition (Computer Controller) ..................1-24
Troubleshooting the 24 VAC Circuit: Standing Pilot (Computer Controller) .........................1-25
1.7.2 Troubleshooting the Gas Valve ................................................................................................1-25
1.7.3 Troubleshooting the Thermostat ..............................................................................................1-25
1.7.4 Troubleshooting the Temperature Probe ..................................................................................1-26
1.8 Wiring Diagrams ................................................................................................................................1-27
1.8.1 Standing Pilot ..........................................................................................................................1-27
1.8.2 Electronic Ignition ...................................................................................................................1-28
1.8.3 Non-Computer Controlled .......................................................................................................1-29
1.8.4 Filter Box .................................................................................................................................1-30
1.8.5 Modular Basket Lift 100/120V ................................................................................................1-31
1.8.6 Modular Basket Lift 208/250V ................................................................................................1-32