
Model 500/600
TABLE OF CONTENTS
Section Page
Section 1. TROUBLESHOOTING ...............................................................................................1-1
1-1. Introduction ........................................................................................................1-1
1-2. Safety..................................................................................................................1-1
1-3. Troubleshooting..................................................................................................1-2
1-4. Warnings and Error Messages ............................................................................1-13
1-5. Diagnostic Mode Details ....................................................................................1-16
1-6. Information Mode Details ..................................................................................1-32
Section 2. MAINTENANCE.........................................................................................................2-1
2-1. Introduction ........................................................................................................2-1
2-2. Maintenance Hints..............................................................................................2-1
2-3. Preventive Maintenance Schedule......................................................................2-2
2-4. Removing the Control Panel...............................................................................2-2
2-5. Transformer Replacement ..................................................................................2-3
2-6. Temperature Probe Replacement........................................................................2-4
2-7. High Temperature Limit Control (Electric and Gas Models).............................2-6
2-8. Heating Elements (Electric Models)...................................................................2-9
2-9. Heating Contactors (Electric Models) ................................................................2-12
2-10. Gas Burner Assembly (Gas Models) ..................................................................2-15
2-11. Thermocouple (Gas Models) ..............................................................................2-18
2-12. Gas Control Valve...............................................................................................2-20
2-13. Electrical Components........................................................................................2-23
2-14. Pressure Regulation/Exhaust ..............................................................................2-27
2-15. Filtering System..................................................................................................2-47
2-16. Gas Conversion...................................................................................................2-52
Wiring Diagrams ................................................................................................2-53
Section 3. PARTS INFORMATION..............................................................................................3-1
3-1. Introduction ........................................................................................................3-1
3-2. Genuine Parts......................................................................................................3-1
3-3. Model Variations.................................................................................................3-1
3-4. How to Find Parts...............................................................................................3-1
3-5. Subassemblies.....................................................................................................3-2
3-6. How to Order Parts.............................................................................................3-2
3-7. Prices ..................................................................................................................3-3
3-8. Delivery ..............................................................................................................3-3
3-9. Warranty .............................................................................................................3-3
3-10. Recommended Spare Parts for Distributors .......................................................3-3
3-11. Index of Parts List Illustrations ..........................................................................3-4
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