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Lochinvar & A.O. Smith 100111255 Central Control Board

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5 5 1
1  Review Add Your Review
Special Price $1,179.79 Regular Price $1,309.56
In stock
SKU
100111255
Lochinvar & A.O. Smith 100111255 is the Central Control Board, an essential part of every facility, enabling effective control and further improvement of the performance of HVAC equipment with a focus on controlling water heating systems. This control board communicates directly with these heat sources in order to facilitate their work and monitor the process. It is intended for use in Lochinvar and A.O. Smith water heaters and it increases the system's dependability by offering temperature regulation and error identification. These are; enhanced energy utilization, minimized operating expenses, and enhanced equipment durability.
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HVAC Control Board Parts, HVAC Controls & Electrical
Manufacturer:
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Specifications

  • Type: Central Control Board
    Manufacturer Name: Lochinvar & A.O. Smith
    Product Number: 100111255
    OEM Part Number: 100111255
    Product Description: Central Control Board
    Weight:1.92lbs/870.9g

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    Product Questions (3)
    Customer Questions
    How to install an expansion valve for refrigeration?

    Thermostatic expansion valves are an integral part of your refrigeration unit. They are responsible for ensuring the right dosage of refrigerant is entering the cooling coil to ensure maximum efficiency in the air conditioning of the system.    These special expansion valves come with a temperature sensor that is mounted at the end of the evaporator coil. They incorporate signals from this sensor to maintain the required temperature of the HVAC system. The thermostatic expansion valve works like a precision device that can regulate the measurements of the liquid refrigerant that flows into the evaporator of your system. This regulation in the flow of the refrigerant is essential to prevent the reverse flow of the refrigerant into the compressor of your system.    Through this mechanism, the thermostatic expansion valve successfully separates the high and low pressure sides of the refrigeration/air conditioning system. The liquid refrigerant enters the expansion ...

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    What maintenance is required for the Lochinvar & A.O. Smith 100111255 Central Control Board?

    Inspect wiring connections and terminals for corrosion or looseness regularly. Keep the board dry and free from dust buildup inside the control panel. Ensure stable voltage supply and use proper surge protection to prevent damage during operation.

    What are common issues with the Lochinvar & A.O. Smith 100111255 Central Control Board?

    • Relay failure causing no power or intermittent operation.
    • Corroded terminals leading to signal loss and erratic control behavior.
    • Burnt components from voltage spikes or overheating in the control board.
    • Software logic faults causing system lockouts and error codes.

    Installation Steps

    Step 1: Turn off power supply and confirm no electrical flow before opening unit.

    Step 2: Remove access panel and disconnect wiring from existing control board.

    Step 3: Take out old board and place new board in correct mounting position.

    Step 4: Secure board firmly and reconnect wires as per labeled terminals.

    Step 5: Reattach panel and restore power supply.

    Step 6: Check system startup and check for proper control response.