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Carrier HK38EA004 Circuit Board

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Special Price $221.98 Regular Price $283.42
In stock
SKU
HK38EA004
This Carrier HK38EA004 circuit board is an essential part of Carrier HVAC systems. Carrier HVAC equipment specifically uses this circuit board, making it less likely for compatibility issues and will guarantee a smooth operation of your heating and cooling system. It also meets California’s Proposition 65 which is meant to safeguard sources of drinking water from contamination. Even though this is described in these specs, the main function of the board is to decode signals and handle various aspects of your Carrier HVAC installation.
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CIRCUIT BOARD PARTS, Air Conditioner Parts
Manufacturer:
https://www.partshnc.com/media/catalog/product/H/K/HK38EA004_carrier_partshnc.jpeg

Specifications

  • Length: 5.9843 "
  • Width: 8.2677 "
  • Height: 0.5512 "
  • Prop 65: No
  • Type: Circuit Board
  • Weight: 0.54 lbs
Manufacturer Name: Carrier
Product Number: HK38EA004
OEM Part Number: HK38EA004
Product Description: Circuit Board
Weight:0.54lbs/244.94g

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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 Carrier HK38EA004 Circuit Board?

Regularly inspect the circuit board for dust, corrosion, or loose connections. Ensure power is disconnected before cleaning. Proper maintenance prevents short circuits and operational errors. Avoid using liquids near components to maintain safety.

What are common issues with the Carrier HK38EA004 Circuit Board?

  • Faulty or intermittent connections.
  • Burnt or damaged components.
  • System errors or unexpected shutdowns.
  • Sensor signal failures.

Installation Steps

Step 1: Turn off power to the HVAC unit and disconnect from the electrical supply.

Step 2: Remove the access panel to locate the existing control board.

Step 3: Carefully disconnect all wires from the old circuit board, labeling them if needed.

Step 4: Mount the new Circuit Board in the same position.

Step 5: Reconnect all wires exactly as labeled.

Step 6: Replace the access panel and restore power.

Step 7: Test the system to ensure proper operation.