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VHX SERIES STEAMERS
F24700 (October 2001)Page 3 of 68
Air Pressure Switch Adjustment ........................................................ 33
Gas Pilot Pressure Adjustment......................................................... 34
Gas Manifold Pressure Adjustment ..................................................... 36
Ignition Control Module Checks ........................................................ 37
Cooking Compartment ............................................................... 39
Intake Shut-Off Valve Adjustment (Steam Flow)........................................ 39
Door Sealing Adjustment ......................................................... 39
Door Latch Adjustment........................................................... 40
ELECTRICAL OPERATION .............................................................. 41
Water Level Controls................................................................ 41
Low Level Cut-Off & Differential Control.............................................. 41
Auxiliary Low Level Cut-Off ....................................................... 42
Relay Board....................................................................... 43
Board Layout and LED Legend ..................................................... 43
Boiler Operational Status (LED Indicator) ............................................. 44
Sequence of Operation .............................................................. 46
New Style Controls - Boiler........................................................ 46
Old Style Controls - Boiler ........................................................ 48
Cooking Compartment Controls .................................................... 50
Schematics ....................................................................... 52
Models Built After 5/25/00 (New Style Boiler Controls) ................................... 52
Models Built Before 5/25/00 (Old Style Boiler Controls) .................................. 54
Cooking Compartment Controls .................................................... 55
Wiring Diagrams ................................................................... 56
Models Built After 5/25/00 (New Style Boiler Controls) ................................... 56
Models Built Before 5/25/00 (Old Style Boiler Controls) .................................. 58
Cooking Compartment Controls .................................................... 60
TROUBLESHOOTING .................................................................. 61
CONDENSED SPARE PARTS LIST ........................................................ 68
© VULCAN 2001