American Water Heater BBCN375T754NV Troubleshooting, Service and Repair, Water Heating Cycle

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NOTE: Anode must remain installed (except for inspection) to avoid shortening tank life. See LIMITED WARRANTY. Replace as necessary.

SERVICE AND REPAIR

The water heater requires no special care other than the normal maintenance as noted above. If you are having a problem with your water heater, before calling for service please refer to the following TROUBLESHOOTING sections. If service becomes necessary, contact your dealer, installer or an authorized service agent. Do not attempt to repair the water heater yourself. Any work performed by unauthorized personnel may void the warranty.

Please be sure to provide the following information when writing or e-mailing:

•Model Number

•Serial Number

•Date of Original Purchase

•Date Problem Originated

•Explanation of Problem

Also, please be sure to include a daytime telephone number.

TROUBLESHOOTING

Water heaters may exhibit problems that are unrelated to a malfunction of the water heater itself. The following information and tables may serve to answer your question about a problem that you are having without having to call a service agent.

For your safety, water heater service should be performed only by a qualified service technician. Read the GENERAL SAFETY

INFORMATION section first.

WATER HEATING CYCLE

(GAS AND ELECTRIC POWER ARE ON,“OFF/ON” SWITCH IS ON)

1)CALLS FOR HEAT

A)THERMOSTAT SENSES NEED FOR HEATING WATER

B)CONTACTS CLOSE IN THERMOSTAT, POWER (115 VAC) FLOWS TO BLOWER MOTOR

2)BLOWER MOTOR ROTATES BLOWER WHEEL

A)BLOWER WHEEL SPEED INCREASES

B)WHEEL SPEED INCREASES, AIR PRESSURE SWITCH CONTACTS CLOSE

3)120 VAC FLOWS TO HOT SURFACE IGNITER

NOTE: THE CONTROL MODULE ON THIS UNIT WILL TRY A MAXIMUM OF THREE TIMES TO LIGHT THE UNIT. CYCLE CAN BE RESTARTED AT ANY TIME BY TURNING OFF SWITCH AND THEN TURNING BACK ON. IF UNIT HAS GONE THROUGH THREE CYCLES AND DID NOT LIGHT, THEN REPAIRMAN SHOULD BE CALLED TO CHECK OPERATION OF HEATER.

4)MAIN BURNER IGNITES

A)GAS FLOWS TO MAIN BURNER PORTS AND IS IGNITED

5)GAS VALVE SENSES BURNER FLAME

6)BURNER HEATS WATER

A)BURNER HEATS WATER TO THERMOSTAT SETTING

B)CONTACTS IN THERMOSTAT OPEN,

C)CYCLE IS COMPLETED

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Contents Place These Instructions Adjacent to Heater Notify Owner to Keep for Future ReferenceDimensions Recovery Ratings Input RateGAS and Electrical Characteristics TOP ViewTable of Contents Installation Instructions Clearances Hard WaterAIR Requirements Unconfined SpaceVenting Vent ConnectionCombination Water Potable Heating Space Heating Relief ValveGAS Piping System ConnectionsHeater Wiring Wiring Diagram and SchematicPurging GAS Pressure RegulatorTo Operate the Heater GAS Meter Size Natural Gases onlyFor Your Safety Read Before Operating What to do if YOU Smell GASTemperature Regulation Checking VentingService Information High Temperature Limit Switch ECOMain Burner and Igniter Checking GAS InputPreventive Maintenance Tank Cleanout Procedure FLO-JUG Method of DelimingCondensation ChecklistAnode Troubleshooting Service and RepairGAS and Electric Power are ON,OFF/ON Switch is on Water Heating CycleNot Enough or no HOT Water CondensationWater Leaks Leaking T&P ValveTroubleshooting Guidelines Trouble ShootingBlack resistor wire between pins 3 & 4 with an ohm meter D E FUnplug the ignitor assembly plug from the control. Check Page Page Service and Repair Expenses Claim ProcedureALL Other Parts Conditions and Exceptions

BBCN375T754NV, Commercial Ultra Low NOx Gas water Heater specifications

The American Water Heater BBCN375T754NV is a standout in the realm of commercial water heating solutions, specifically designed to meet the demands of businesses requiring high efficiency and reliability. This ultra-low NOx gas water heater is engineered to reduce nitrogen oxide emissions, adhering to strict environmental regulations, which makes it an ideal choice for those conscious of their ecological footprint.

One of the main features of the BBCN375T754NV is its impressive capacity of 75 gallons, making it suitable for various commercial applications, including restaurants, hotels, and manufacturing facilities. This model is built to provide a consistent and rapid supply of hot water, ensuring that users have access to the hot water they need without interruption.

The heater is equipped with a powerful gas burner system, providing an input of 375,000 BTUs per hour, which guarantees robust performance even during peak demand times. This high input rate allows for quick recovery and reduces waiting times for hot water delivery, an essential factor in maintaining operational efficiency.

In terms of technology, the BBCN375T754NV incorporates advanced combustion management systems that optimize gas consumption and efficiency. This ensures that the heater operates at maximum capacity while minimizing energy waste. Additionally, the unit features a robust insulation system designed to reduce heat loss, further contributing to its energy-efficient performance.

Another important characteristic of this water heater is its durable construction. Made from high-quality materials, including a glass-lined tank for corrosion resistance, the BBCN375T754NV is built to withstand the rigors of a commercial environment. The unit comes with a built-in anode rod to enhance longevity and minimize maintenance needs.

Furthermore, the heater includes an easy-to-navigate digital display that simplifies temperature adjustments and monitoring. This feature enables operators to easily manage the system settings, ensuring optimal performance and safety.

To sum up, the American Water Heater BBCN375T754NV is designed for those who need an efficient, reliable, and environmentally friendly solution to their commercial hot water requirements. With its high capacity, advanced technologies, and durable design, it stands as a robust option for businesses looking to enhance their water heating systems while adhering to environmental standards.
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