Table Of Contents - Frymaster 47 Series Service & Parts Manual

CHAPTER 1: Service Procedures.............................................................................................. 1-1
1.1 Functional Description................................................................................................................. 1-1
Pilot System Configuration ............................................................................................................. 1-1
Electronic Ignition Configuration..................................................................................................... 1-2
Control Options............................................................................................................................... 1-3
Interface Boards ............................................................................................................................. 1-3
Thermostats.................................................................................................................................... 1-8
1.2 Accessing Fryers for Servicing .................................................................................................. 1-8
1.3 Cleaning the Gas Valve Vent Tube ............................................................................................. 1-9
1.4 Adjusting the Burner Manifold Gas Pressure............................................................................ 1-9
1.5 Adjusting Ceramic Burner Target Spacing and Alignment.................................................... 1-11
1.6 Adjusting the Pilot Flame .......................................................................................................... 1-11
1.7 Calibrating the Thermostat Control.......................................................................................... 1-12
1.8 Replacing Fryer Components ................................................................................................... 1-13
1.8.1 Replacing the Controller or Computer.......................................................................... 1-13
1.8.2 Replacing the Thermostat ............................................................................................ 1-13
1.8.3 Replacing the Temperature Probe .............................................................................. 1-14
1.8.4 Replacing the High-Limit Thermostat in Fryers with Thermostat Controls .................. 1-15
1.8.5 Replacing the High-Limit Thermostat in Fryers with Temperature Probes .................. 1-15
1.8.6 Replacing Control Panel Power Indicator Light in Fryers with Thermostat Controls ... 1-16
1.8.7 Replacing Power or Melt Cycle Switch in Fryers with Thermostat Controls ................ 1-16
1.8.8 Replacing Ceramic Burner Targets.............................................................................. 1-17
1.8.9 Replacing the Gas Valve.............................................................................................. 1-18
1.8.10 Replacing the Pilot Assembly....................................................................................... 1-18
1.8.11 Replacing Gas Valve High-Limit Thermostat Wire Adapter ......................................... 1-19
1.8.12 Replacing the Frypot .................................................................................................... 1-19
1.9 Troubleshooting and Problem Isolation .................................................................................. 1-21
1.9.1 Ignition Failures ............................................................................................................ 1-21
1.9.2 Improper Burner Functioning ....................................................................................... 1-22
1.9.3 Improper Temperature Control..................................................................................... 1-24
1.9.4 Computer-Related Problems........................................................................................ 1-25
1.9.5 Filtration Problems ....................................................................................................... 1-26
1.9.6 Leaking......................................................................................................................... 1-29
1.9.7 Modular Basket Lift Malfunctions ................................................................................. 1-29
1.9.8 Interpretation of Digital Controller Lights...................................................................... 1-31
1.10 Troubleshooting Guides ............................................................................................................ 1-32
1.10.1 Initial Troubleshooting .................................................................................................. 1-32
1.10.2 Troubleshooting the 24 VAC Circuit: Electronic Ignition .............................................. 1-34
1.10.3 Troubleshooting the 24 VAC Circuit: Non-Electronic Ignition ...................................... 1-37
1.10.4 Troubleshooting the Temperature Probe ..................................................................... 1-39
1.10.5 Probe Resistance Charts ............................................................................................. 1-40
1.11 Wiring Diagrams ......................................................................................................................... 1-40
47 SERIES GAS FRYERS

TABLE OF CONTENTS