Manuals / American Water Heater / Household Appliance / Water Heater

American Water Heater (A)BCG38T500-8P Gas Control Valve/Burner Area View, Operation And Service

Models: (A)BCG38T500-8P (A)BCG385T500-8N

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GAS CONTROL VALVE/BURNER AREA VIEW

OPERATION AND SERVICE

GAS CONTROL VALVE/BURNER AREA VIEW

Honeywell Gas

Valve

Main Burner

Shield

Figure 14

Table 3

Rollout Shield

Radiation

Shield

Main Burner with Hot Surface Igniter (HSI) mounted

HOT SURFACE IGNITER (HSI)

Volts AC Nominal	80 VAC

Ohms Resistance	11.0 - 20.0 @
	77° F (25° C)

NOTICE FLAME ROD CROSSES PATH OF

FLAME 0.1” to 0.25”.

Servicing should only be performed by a Qualiﬁed Service Agent

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Image 18

American Water Heater (A)BCG38T500-8P manual Gas Control Valve/Burner Area View, Honeywell Gas Valve Main Burner Shield

Contents

INSTALLATION CONSIDERATIONS - PRE SERVICE MODELS ABCG385T500-8N ABCG38T500-8PService Handbook CHECKS - OPERATION & SERVICE -TROUBLESHOOTINGCOMMERCIAL GAS WATER HEATER SERVICE MANUAL TABLE OF CONTENTS Servicing should only be performed by a Qualiﬁed Service AgentINTRODUCTION SERVICE WARNINGSERVICE REMINDER QUALIFICATIONSTOOLS REQUIRED REQUIREMENTSINSTRUCTION MANUAL TOOLS OPTIONALGAS PRESSURE REQUIREMENTS INSTALLATION CONSIDERATIONSWATER PIPING Closed Water SystemsAIR REQUIREMENTS Air SupplyInsufficient Make-up Air, Negative Air Pressure, and Downdrafts Make-up Air Direct Communication with Outdoors CLEARANCES WATER HEATER Contaminated AirCLEARANCES EXTERIOR VENTING OPERATION AND SERVICE SEQUENCE OF OPERATIONELECTRICAL SEQUENCE Servicing should only be performed by a Qualiﬁed Service Agent WIRING DIAGRAMOPERATION AND SERVICE WIRING DIAGRAM FOR ABCG385T500-8N/8PServicing should only be performed by a Qualiﬁed Service Agent OPERATING SEQUENCE - FLOW CHARTOPERATION AND SERVICE Below 0.1 uA DC Flame SenseGAS CONTROL VALVE Measuring Gas PressuresManifold Pressure Adjustment Main Valve Solenoid ConnectionsServicing should only be performed by a Qualiﬁed Service Agent GAS CONTROL VALVE/BURNER AREA VIEWOPERATION AND SERVICE Honeywell Gas Valve Main Burner ShieldBLOWER PROVER SWITCH - SETTINGS THERMOSTAT AND IGNITION CONTROL BOARD VIEW OPERATION AND SERVICEServicing should only be performed by a Qualiﬁed Service Agent OPERATION AND SERVICE WHITE RODGERS INTEGRATED CONTROL - THERMOSTATWHITE RODGERS IGNITION CONTROL BOARD Servicing should only be performed by a Qualiﬁed Service AgentPRE-SERVICE CHECKLIST 1 FLASH System has locked out after 3 trials for ignition TROUBLESHOOTINGIGNITION CONTROL BOARD ERROR CODES 2 FLASHES4 FLASHES 6 FLASHES Reversed polarity in power supply3 FLASHES 7 FLASHES8 FLASHES Igniter not sensed and/or water heater not grounded CONTINUOUS FLASHCONTINUOUS ON Internal control board failure ACTION INTEGRATED HEATER CONTROL DISPLAY LIGHTSINDICATION STATUSTEST TEST 1 120 VAC TO HEATER CHECKConditions thenServicing should only be performed by a Qualiﬁed Service Agent TEST 2 POLARITY CHECKTROUBLESHOOTING Check from on/off switch center and white wire terminals to groundSee Ignition Control Board Error Codes TEST 3 CONTINUITY CHECK OF HIGH LIMIT ECOThen TROUBLESHOOTINGOhms TEST 4 UPPER TEMPERATURE PROBE CONTINUITY CHECKOHMS RESISTANCE TABLE TROUBLESHOOTINGServicing should only be performed by a Qualiﬁed Service Agent TEST 5 CALLING FOR HEAT - NO BLOWER OPERATIONTROUBLESHOOTING ConditionsServicing should only be performed by a Qualiﬁed Service Agent TEST 6 BLOWER ON, NO IGNITIONTROUBLESHOOTING Prover SwitchServicing should only be performed by a Qualiﬁed Service Agent TEST 7 BLOWER ON, BLOWER PROVER SWITCH CLOSED, NO IGNITER OPERATIONTROUBLESHOOTING Continuity check - Power off- Plug removed from E4 receptaclesServicing should only be performed by a Qualiﬁed Service Agent TEST 8 IGNITER HEATS, NO MAIN BURNERTROUBLESHOOTING TESTServicing should only be performed by a Qualiﬁed Service Agent TEST 9 IGNITER HEATS, NO MAIN BURNERTROUBLESHOOTING ConditionsServicing should only be performed by a Qualiﬁed Service Agent TEST 10 MAIN BURNER IGNITION FOR LESS THAN FIVE SECONDSTROUBLESHOOTING ConditionsServicing should only be performed by a Qualiﬁed Service Agent TEST 11 WATER HEATER SHUTTING OFF BELOW SETTINGTROUBLESHOOTING WATER HEATER SHUTTING OFF BELOW SETTINGServicing should only be performed by a Qualiﬁed Service Agent Servicing should only be performed by a Qualiﬁed Service Agent P.O. Box 1597, Johnson City, TN Phone 800-456-9805 Fax Copyright 2010 American Water Heater Company. All rights reserved