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Sanhua International COIL-SHF-FA5 Rev Valve Coil 220-240Vac

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Special Price $29.41 Regular Price $38.24
In stock
SKU
COIL-SHF-FA5
Sanhua International COIL-SHF-FA5 Reversing Valve Coil is a control component of HVAC heat pump that is used to operate the reversing valve to switch the flow of refrigerant between heating and cooling. The coil is energized by the control circuit of the system at 220-240 VAC magnetic field which activates the valve spool enabling the refrigerant path to change as required to change mode. The coil is installed around the valve stem or solenoid assembly to provide the magnetic actuation of the coil to assist in the timely switching of the refrigerant flow to allow the heat pump to operate and provide desired climate control in residential and commercial applications.
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HVAC Controls & Electrical, Valves
Manufacturer:
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PRODUCT OVERVIEW:
Heat pump system direction switching relies on reliable electromagnetic actuation to shift reversing valves between heating and cooling modes. The OEM Sanhua International COIL-SHF-FA5 reverse valve coil provides the inductive magnetic force needed to actuate compatible Sanhua reversing valve assemblies. Operating on 220-240 VAC supply power, this replacement solenoid coil ensures positive valve actuation to maintain dependable cycle control across residential and commercial heat pump systems.

ELECTROMAGNETIC VALVE ACTUATION:
Energizing the coil creates an internal magnetic field that drives the reversing valve actuation mechanism. Maintaining constant electromagnetic force prevents valve chattering or incomplete switching, ensuring full port changeover during system heating and cooling cycles.

REPLACEMENT GUIDELINES:
Select the COIL-SHF-FA5 Reverse Valve Coil when replacing shorted, open, or physically damaged solenoid coils on compatible Sanhua reversing valves. Disconnect all electrical power before servicing. Ensure the replacement coil seats fully on the valve guide, secure any retaining hardware, and verify proper 220-240 VAC supply power and wiring connections before restoring operation.

Common Failure Symptoms:

  • Heat pump failing to switch between heating and cooling modes
  • Open or shorted coil windings causing electrical circuit trips
  • Buzzing or humming noises originating from the reversing valve assembly
  • Burnt, melted, or cracked outer coil housing
  • Inconsistent or delayed valve actuation under normal system call

EQUIPMENT COMPATIBILITY:
Compatibility requires matching part number COIL-SHF-FA5, 220–240 VAC operating voltage, and Sanhua SHF series reversing valve body mounting geometry with original equipment specifications. Verify compatibility using Sanhua technical catalogs and equipment service documentation prior to purchase.

Technical Specifications:
Product Identification:
Brand: Sanhua International
Part Number: COIL-SHF-FA5
Product Type: Reversing Valve Solenoid Coil
Operating Parameters:
Operating Voltage: 220-240 VAC
Application: Reversing Valve Actuation

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Product Questions (6)
Customer Questions
What maintenance is required for the Sanhua International COIL-SHF-FA5 Reversing Valve Coil?

Regularly inspect the coil for signs of wear, overheating, or insulation damage. Ensure electrical connections are tight and free from corrosion. Keep the surrounding area clean and dry to prevent contamination. Always disconnect power before servicing to ensure safety and avoid electrical hazards.

What are common issues with the Sanhua International COIL-SHF-FA5 Reversing Valve Coil?

  • Coil not energizing due to electrical faults.
  • Overheating from voltage irregularities.
  • Insulation breakdown causing short circuits.
  • Loose or corroded connections leading to intermittent operation.

How does the COIL-SHF-FA5 coil actuate the reversing valve?

When energized with 220-240 VAC power, the coil generates a magnetic field that drives the valve's actuation assembly to trigger a mode changeover.

Can an improper voltage supply damage the coil?

Yes, operating outside the designated 220-240 VAC range can cause excessive heat buildup, leading to winding insulation failure or insufficient magnetic pull.

Is it necessary to recover the system refrigerant to replace only the coil?

No, the coil is an external electrical component and can be replaced without opening or breaching the sealed refrigerant circuit.

Does replacing the reversing valve coil require opening the refrigerant lines?

No, the coil slides over the exterior of the reversing valve tube assembly and can be replaced without disturbing the sealed refrigerant system.

Installation Steps

Step 1: Disconnect mains power to HVAC system and verify zero voltage for safety.

Step 2: Remove existing valve coil carefully from reversing valve body and note wiring positions.

Step 3: Align new coil onto valve stem ensuring correct seating.

Step 4: Secure coil with retaining clip/screw and reconnect electrical terminals as per original wiring.

Step 5: Restore power, check operation, and ensure coil runs without overheating or noise.