American Water Heater (A)BCG38T500-8P, (A)BCG385T500-8N manual Reversed polarity in power supply

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TROUBLESHOOTING

3FLASHES

Blower prover (air pressure) switch failed to close its normally open contacts after blower (draft inducer) was energized. Blower will run indefinitely, waiting for the blower prover switch circuit to close.

1Check air pressure reading at blower prover switch sensing port on blower fan housing with manometer (digital preferred); blower must develop at least -2.85” W.C. (negative pressure) before blower prover switch contacts will close.

2Replace blower prover switch if pressure reading at the sensing port does drop to at least - 2.85” W.C. and contacts remain open.

3If pressure reading taken does not drop to at least - 2.85” W.C., check vent system for obstruction, debris, and excessive elbows. Ensure vent system complies with manufacturer’s and NFGC venting requirements for fan assisted Category I appliances.

4Ensure there is neither a negative or positive air pressure in the equipment room (open doors to outdoor atmosphere). This can cause the blower prover switch to malfunction. Alleviate air pressure imbalance between the equipment room and the outside atmosphere.

5Check the condition of the blower wheel in the blower; clean or replace as necessary.

4FLASHES

ECO cutout (Energy Cut Off). Tank temperature has risen above 203°F and caused lockout. ECO status LED on integrated control will also be illuminated. See Figure 17.

1Determine if tank temperature is excessive and, if so, the possible cause (i.e., temperature control failing to cut out at set-point).

2Cool tank to below 120°F to reset. ECO reset status LED will illuminate on the integrated control when the control can be reset. Push reset button on integrated control. See Figure 17.

3Check continuity/resistance of temperature probes; clean off calcium build up.

6FLASHES

Reversed polarity in power supply.

1Interchange “hot” and “neutral” wire connections to the water heater.

7FLASHES

Flame sensing is marginal; flame sense signal is below 2.0 micro-amps.Water heater will continue to fire with flame sensing current over 0.1 micro-amp; below this, the control will close the gas valve and ignition failure will occur.

1Check flame sense rod alignment.

2Clean flame sense rod with steel wool.

3Check ceramic insulator on igniter/flame sensor for cracks. Replace if damaged.

Servicing should only be performed by a Qualified Service Agent

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Contents Commercial GAS Water Heaters Models ABCG385T500-8NCommercial GAS Water Heater Table of Contents Service Warning Service ReminderIntroduction QualificationsRequirements Tools RequiredTools Optional Installation Considerations Water PipingGAS Pressure Requirements Closed Water SystemsAIR Requirements Air SupplyInstallation Considerations Make-up Air Direct Communication with Outdoors Clearances Water Heater Contaminated AirClearances Exterior Minimum Clearances to Combustible SurfacesVenting Operation and Service Sequence of OperationElectrical Sequence Wiring Diagram 1a 1 1bOperating Sequence Flow Chart YESGAS Control Valve Measuring Gas PressuresManifold Pressure Adjustment Main Valve Solenoid ConnectionsGAS Control VALVE/BURNER Area View HOT Surface Igniter HSIBlower Prover Switch Settings Blower Prover Switch TableThermostat and Ignition Control Board View White Rodgers Integrated Control Thermostat White Rodgers Ignition Control BoardPRE-SERVICE Checklist Troubleshooting Ignition Control Board Error CodesSystem has locked out after 3 trials for ignition Reversed polarity in power supply Igniter not sensed and/or water heater not grounded Internal control board failureIntegrated Heater Control Display Lights LED Indication Action StatusTest 1 120 VAC to Heater Check ConditionsThen Test 2 Polarity Check Test 3 Continuity Check of High Limit ECO Test 4 Upper Temperature Probe Continuity Check OhmsTest 5 Calling for Heat no Blower Operation Test 6 Blower ON, no Ignition E4 Plug Test 8 Igniter HEATS, no Main Burner Test 9 Igniter HEATS, no Main Burner Test 10 Main Burner Ignition for Less than Five Seconds Test 11 Water Heater Shutting OFF below Setting Page

(A)BCG38T500-8P, (A)BCG385T500-8N specifications

The American Water Heater (A)BCG38T500-8P and (A)BCG385T500-8N are innovative options in the realm of residential water heating systems. Designed for efficiency and reliability, these water heaters are perfect for households looking for robust hot water solutions.

One of the primary features of these models is their 38-gallon capacity, which makes them suitable for medium to large households. They provide an ample supply of hot water for everyday needs such as showers, dishwashing, and laundry. With a powerful 50000 BTU gas burner, both models can heat water effectively, ensuring that users have access to hot water when they need it.

In terms of technology, both the (A)BCG38T500-8P and (A)BCG385T500-8N are designed with advanced, environmentally-friendly features. Their efficient design helps reduce energy consumption, making them compliant with Energy Star standards. This not only ensures that users save on utility bills but also contributes to a more sustainable approach to water heating.

The construction of these water heaters is robust, typically featuring a glass-lined tank to prevent corrosion and extend the lifespan of the unit. The exterior is designed to withstand the rigors of time while providing excellent insulation to minimize heat loss. Both models are also equipped with a durable anode rod that further enhances corrosion resistance.

Safety is another critical characteristic of the (A)BCG38T500-8P and (A)BCG385T500-8N. They include safety features such as a temperature and pressure relief valve, ensuring that the system operates safely under various conditions. Additionally, these models often come with a 6-year limited warranty, providing peace of mind for homeowners.

Installation is straightforward, as these water heaters are designed to fit standard plumbing setups. They also offer a range of adjustable settings, allowing homeowners to customize their hot water experience according to their specific needs.

In summary, the American Water Heater (A)BCG38T500-8P and (A)BCG385T500-8N stand out for their ample capacity, energy-efficient operation, durable construction, and safety features. They represent a reliable choice for those seeking effective and long-lasting water heating solutions in their homes.
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