American Water Heater (A)BCG385T500-8N, (A)BCG38T500-8P manual Operating Sequence Flow Chart, Yes

Page 15

OPERATION AND SERVICE

OPERATING SEQUENCE - FLOW CHART

Power On

Call for Heat

Control Locks Out - LED

Self diagnostic check is performed

Displays 2, 6, or 8

(Correct state of Blower Prover Switch and ECO is verified)

NO

Flash Error Code

(polarity, earth ground , and Igniter presence are verified )

(See Error Code Chart )

YES

Blower (Draft Inducer)

Motor is Energized

Control Locks Out

Blower Prover Switch (N.O.) Contacts

NO

Displays 3 Flash

Close at – 2.85“ W.C. ± 0.13” W.C.

Error Code

YES

Ignition Control Board

Sends Voltage (80-120 VAC)

to Igniter for 17-20 Seconds.

Ignition Control Board Energizes

Below 0.1 uA DC Flame Sense:

Gas Valve (24 VAC)

Heater Will Try to Ignite 3 Times

Igniter De-energized After 3 Seconds

Control De-energizes Gas Valve

Blower Runs for Post Purge Period

Control Locks Out for 1 Hour

Displays 1 Flash Error Code

Ignition Control Board Waits 3

More Seconds For “Strong” Flame

NO

Sense Signal (2.0 uA DC or more)

Between 2.0 and 0.1 uA DC Flame Sense

Heater Will Continue to Operate

YES

Displays 7 Flash Error Code

(Weak Flame Sense)

Tank Heated to Set -Point

Ignition Control Board

De-energizes Gas Valve

Blower Runs 60 Seconds

Post Purge Cycle and

Shuts Off

Blower Prover Switch Contacts Re-open

Ignition Control Board Goes into Standby Mode

Figure 11

Servicing should only be performed by a Qualiﬁed Service Agent

15

Image 15

Contents Models ABCG385T500-8N Commercial GAS Water HeatersCommercial GAS Water Heater Table of Contents Qualifications Service WarningService Reminder IntroductionRequirements Tools RequiredTools Optional Closed Water Systems Installation ConsiderationsWater Piping GAS Pressure RequirementsAir Supply AIR RequirementsInstallation Considerations Make-up Air Direct Communication with Outdoors Contaminated Air Clearances Water HeaterMinimum Clearances to Combustible Surfaces Clearances ExteriorVenting Sequence of Operation Operation and ServiceElectrical Sequence 1a 1 1b Wiring DiagramYES Operating Sequence Flow ChartMeasuring Gas Pressures GAS Control ValveMain Valve Solenoid Connections Manifold Pressure AdjustmentHOT Surface Igniter HSI GAS Control VALVE/BURNER Area ViewBlower Prover Switch Table Blower Prover Switch SettingsThermostat and Ignition Control Board View White Rodgers Ignition Control Board White Rodgers Integrated Control ThermostatPRE-SERVICE Checklist Troubleshooting Ignition Control Board Error CodesSystem has locked out after 3 trials for ignition Reversed polarity in power supply Internal control board failure Igniter not sensed and/or water heater not groundedLED Indication Action Status Integrated Heater Control Display LightsTest 1 120 VAC to Heater Check ConditionsThen Test 2 Polarity Check Test 3 Continuity Check of High Limit ECO Ohms Test 4 Upper Temperature Probe Continuity CheckTest 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.