Frymaster H50 Series H50 SERIES GAS FRYERS TABLE OF CONTENTS, Service Procedures, Parts List

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		1-5
1.2	Accessing Fryers for Servicing		1-5
1.3	Cleaning the Gas Valve Vent Tube		1-5
1.4	Checking the Burner Manifold Gas Pressure		1-6
1.5	Measuring Flame Current		1-8
1.6	Replacing Fryer Components		1-8
	1.6.1	Replacing the Controller or the Controller Wiring Harness	1-8
	1.6.2	Replacing the Temperature Probe or High-Limit Thermostat	1-8
	1.6.3	Replacing the Interface Board	1-9
	1.6.4	Replacing an Ignition Module	1-9
	1.6.5	Replacing an Ignitor Assembly	1-10
	1.6.6	Replacing or Cleaning a Combustion Air Blower	1-10
	1.6.7	Replacing a Gas Valve	1-13
	1.6.8	Replacing a Burner Assembly	1-14
	1.6.9	Replacing the Frypot	1-15
	1.6.10	Replacing Frypot Insulation and/or Upper Burner Rails	1-16
1.7	Troubleshooting and Problem Isolation		1-21
	1.7.1	Ignition Failures	1-21
	1.7.2	Improper Burner Functioning	1-22
	1.7.3	Improper Temperature Control	1-24
	1.7.4	Computer-Related Problems	1-25
	1.7.5	Filtration Problems	1-26
	1.7.6	Leakage	1-29
	1.7.7	Basket Lift Malfunctions	1-29
	1.7.8	Interpretation of Digital Controller Lights	1-32
1.8	Troubleshooting Guide		1-32
	Probe Resistance Chart		1-37
1.9	Simplified Wiring Diagrams		1-38
1.10	Principal Wiring Connections		1-43
1.11	Wiring Diagrams – Main		1-44
1.12	Wiring Diagrams – Transformer Boxes		1-50
1.13	Wiring Diagrams – Basket Lifts		1-52
1.14	Wiring Diagrams – Filter Boxes		1-55
1.14	Wiring Diagrams – Oil Return		1-56
CHAPTER 2: Parts List
2.1	Accessories		2-1

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