Vulcan-Hart GHF90G ML-135504, GHF91G ML-135503 service manual Schematic Component Function

Models: GHF90G ML-135504 GHF91G ML-135503

1 16

Page 13

COMPONENT FUNCTION

Thermostat - Millivolt type with capillary bulb, single-throw break on temperature rise. Temperature range of 200°F to 400°F.

Thermopile - Millivolt control with 24" capillary. Rated to generate 500 millivolts.

Combination Valve - Regulates gas flow to burner and pilot. Provides pilot safety.

Hi-Limit - Prevents overheating of fryer in the event of thermostat failure. Opens at 450°F and automatically resets at 415°F.

– 13 –

Image 13

Contents

FRYERS & FRYMATES GHF SERIES HEAVY DUTY RANGE MATCHING GASMODELS GHF91GML-135503 GHF90GML-135504 – 2 – TABLE OF CONTENTSCLEANING INSTALLATIONSPECIFICATIONS GENERALCOVERS AND PANELS REMOVAL AND REPLACEMENT OF PARTSBURNERS THERMOSTAT THERMOPILE HIGH LIMITCOMBINATION VALVE PILOT ORIFICEFRY TANK MILLIVOLT CONTROLS TEST SERVICE PROCEDURES AND ADJUSTMENTSTHERMOSTAT CALIBRATION BURNERS, NOZZLES AND ORIFICES PILOT ADJUSTMENTBurners Nozzles and OrificesCOMBINATION VALVE REGULATOR ADJUSTMENT ELECTRICAL OPERATION SYSTEM CONDITION QUICK CHECK PROCEDURESCONTROL SYSTEM DESCRIPTION SCHEMATIC COMPONENT FUNCTION SYMPTOM TROUBLESHOOTINGPOSSIBLE CAUSE SYMPTOM TROUBLESHOOTINGPOSSIBLE CAUSE 4. Leaking tankFORM