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American Water Heater (A)BCG38T500-8P manual Thermostat And Ignition Control Board View

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

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THERMOSTAT AND IGNITION CONTROL BOARD VIEW

OPERATION AND SERVICE

THERMOSTAT AND IGNITION CONTROL BOARD VIEW

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Servicing should only be performed by a Qualiﬁed Service Agent

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American Water Heater (A)BCG38T500-8P, (A)BCG385T500-8N Thermostat And Ignition Control Board View, Operation And Service

Contents

MODELS ABCG385T500-8N ABCG38T500-8P Service HandbookINSTALLATION CONSIDERATIONS - PRE SERVICE CHECKS - OPERATION & SERVICE -TROUBLESHOOTINGCOMMERCIAL GAS WATER HEATER SERVICE MANUAL TABLE OF CONTENTS Servicing should only be performed by a Qualiﬁed Service AgentSERVICE WARNING SERVICE REMINDERINTRODUCTION QUALIFICATIONSREQUIREMENTS INSTRUCTION MANUALTOOLS REQUIRED TOOLS OPTIONALINSTALLATION CONSIDERATIONS WATER PIPINGGAS PRESSURE REQUIREMENTS 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 WIRING DIAGRAM OPERATION AND SERVICEServicing should only be performed by a Qualiﬁed Service Agent WIRING DIAGRAM FOR ABCG385T500-8N/8POPERATING SEQUENCE - FLOW CHART OPERATION AND SERVICEServicing should only be performed by a Qualiﬁed Service Agent Below 0.1 uA DC Flame SenseGAS CONTROL VALVE Measuring Gas PressuresManifold Pressure Adjustment Main Valve Solenoid ConnectionsGAS CONTROL VALVE/BURNER AREA VIEW OPERATION AND SERVICEServicing should only be performed by a Qualiﬁed Service Agent 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 WHITE RODGERS INTEGRATED CONTROL - THERMOSTAT WHITE RODGERS IGNITION CONTROL BOARDOPERATION AND SERVICE Servicing should only be performed by a Qualiﬁed Service AgentPRE-SERVICE CHECKLIST TROUBLESHOOTING IGNITION CONTROL BOARD ERROR CODES1 FLASH System has locked out after 3 trials for ignition 2 FLASHES6 FLASHES Reversed polarity in power supply 3 FLASHES4 FLASHES 7 FLASHESCONTINUOUS ON Internal control board failure 8 FLASHES Igniter not sensed and/or water heater not groundedCONTINUOUS FLASH INTEGRATED HEATER CONTROL DISPLAY LIGHTS INDICATIONACTION STATUSTEST 1 120 VAC TO HEATER CHECK ConditionsTEST thenTEST 2 POLARITY CHECK TROUBLESHOOTINGServicing should only be performed by a Qualiﬁed Service Agent Check from on/off switch center and white wire terminals to groundTEST 3 CONTINUITY CHECK OF HIGH LIMIT ECO ThenSee Ignition Control Board Error Codes TROUBLESHOOTINGTEST 4 UPPER TEMPERATURE PROBE CONTINUITY CHECK OHMS RESISTANCE TABLEOhms TROUBLESHOOTINGTEST 5 CALLING FOR HEAT - NO BLOWER OPERATION TROUBLESHOOTINGServicing should only be performed by a Qualiﬁed Service Agent ConditionsTEST 6 BLOWER ON, NO IGNITION TROUBLESHOOTINGServicing should only be performed by a Qualiﬁed Service Agent Prover SwitchTEST 7 BLOWER ON, BLOWER PROVER SWITCH CLOSED, NO IGNITER OPERATION TROUBLESHOOTINGServicing should only be performed by a Qualiﬁed Service Agent Continuity check - Power off- Plug removed from E4 receptaclesTEST 8 IGNITER HEATS, NO MAIN BURNER TROUBLESHOOTINGServicing should only be performed by a Qualiﬁed Service Agent TESTTEST 9 IGNITER HEATS, NO MAIN BURNER TROUBLESHOOTINGServicing should only be performed by a Qualiﬁed Service Agent ConditionsTEST 10 MAIN BURNER IGNITION FOR LESS THAN FIVE SECONDS TROUBLESHOOTINGServicing should only be performed by a Qualiﬁed Service Agent ConditionsTEST 11 WATER HEATER SHUTTING OFF BELOW SETTING TROUBLESHOOTINGServicing should only be performed by a Qualiﬁed Service Agent 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