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American Water Heater (A)BCG38T500-8P, (A)BCG385T500-8N manual

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

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NOTES

Servicing should only be performed by a Qualiﬁed Service Agent

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American Water Heater (A)BCG38T500-8P, (A)BCG385T500-8N Servicing should only be performed by a Qualiﬁed Service Agent

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 Servicing should only be performed by a Qualiﬁed Service Agent THERMOSTAT AND IGNITION CONTROL BOARD VIEWOPERATION AND SERVICE 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 FLASHESCONTINUOUS ON Internal control board failure 8 FLASHES Igniter not sensed and/or water heater not groundedCONTINUOUS FLASH 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