45 SERIES GAS FRYERS SERVICE AND PARTS MANUAL

TABLE OF CONTENTS

CHAPTER 1: Service Procedures

 

1.1

Functional Description

1-1

 

Pilot Ignition System

1-1

 

Control Options

1-1

 

Interface Boards

1-1

 

Thermostats and Temperature Probes

1-3

1.2

Accessing Fryers for Servicing

1-4

1.3

Checking the Burner Manifold Gas Pressure

1-4

1.4

Adjusting the Pilot Flame

1-5

1.5

Cleaning the Gas Valve Vent Tube

1-6

1.6

Adjusting Burner Ceramic Target Spacing and Alignment

1-6

1.7

Calibrating the Thermostat Control

1-6

1.8

Replacing Fryer Components

1-7

1.8.1

Replacing the Controller or Computer

1-7

1.8.2

Replacing the Operating Thermostat

1-8

1.8.3

Replacing the Temperature Probe

1-8

1.8.4

Replacing the Hi-Limit Thermostat in Fryers with Thermostat Controls

1-9

1.8.5Replacing the Hi-Limit Thermostat in Fryers with Other Than Thermostat Controls .1-10

1.8.6

Replacing the Heat Mode Indicator Light in Fryers with Thermostat Controls

1-10

1.8.7

Replacing the Power or Melt Cycle Switch in Fryers with Thermostat Controls

1-11

1.8.8

Replacing the Melt Cycle Timer in Fryers with Thermostat Controls

1-11

1.8.9

Replacing Burner Ceramic Targets

1-12

1.8.10

Replacing the Gas Valve

1-12

1.8.11

Replacing the Pilot Assembly or Thermopile

1-13

1.8.12

Replacing the Frypot

1-14

1.9

Troubleshooting and Problem Isolation

1-15

1.9.1

Ignition Failures

1-16

1.9.2

Improper Burner Functioning

1-17

1.9.3

Improper Temperature Control

1-18

1.9.4

Computer-Related Problems

1-19

1.9.5

Filtration Problems

1-20

1.9.6

Leakage Problems

1-22

1.9.7

Basket Lift Malfunctions

1-22

1.9.8

Interpretation of Digital Controller Lights

1-28

1.10

Troubleshooting Guides

1-28

1.10.1

Troubleshooting the 24 VAC Circuit in Units without Interface Boards

1-29

1.10.2

Troubleshooting the 24 VAC Circuit in Units with Interface Boards

1-30

1.10.3

Troubleshooting the Gas Valve

1-32

1.10.4

Troubleshooting the Thermostat

1-33

1.10.5

Troubleshooting the Temperature Probe

1-34

 

Probe Resistance Chart

1-35

1.11

Wiring Diagrams

1-36

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Frymaster 45 Series manual Series GAS Fryers Service and Parts Manual Table of Contents