Grant Main Pcb Hpid885501

Suitable for HPID10

Grant Main PCB – HPID885501

Genuine Replacement Main Control Board for Grant Aerona³ Heat Pump Units

The Grant HPID885501 Main PCB is a genuine replacement printed circuit board designed for use in Grant Aerona³ air source heat pumps. Acting as the central control hub, this PCB manages critical operations including compressor control, fan modulation, defrost cycles, and communication with sensors and thermostats.

If your heat pump is showing fault codes, failing to start, or not responding correctly to commands, the HPID885501 main PCB may need replacement. Installing this authentic Grant part ensures continued energy-efficient performance and safe system operation.

Key Features & Benefits

• Official Grant OEM Part – HPID885501
  Manufactured to exact specifications to ensure compatibility and optimal performance with Grant heat pump systems.

• Central Operating Control
  Controls key functions such as compressor activity, heat output modulation, defrost cycles, and safety protections.

• Pre-Configured for Quick Installation
  Supplied ready to install—no firmware updates or third-party programming required.

• Restores System Reliability
  Ideal for fixing persistent error codes, unresponsive systems, or intermittent heating operation.

• Robust, Long-Life Design
  Built to endure the environmental demands of outdoor ASHP units.

• Supports Energy Efficiency
  Maintains optimal operation of the inverter-driven system and R32 refrigerant functionality.

 Compatible Grant Heat Pump Models

The HPID885501 Main PCB is compatible with:

• ? Grant Aerona³ R32 Air Source Heat Pumps (selected models)

• Typically used in HPID10, HPID13, and HPID17 series models

Not sure if this PCB fits your unit? Contact our team with your heat pump model or serial number for confirmation.

 When to Replace the Main PCB

Replace the HPID885501 if:

• The unit displays frequent or persistent fault codes

• The heat pump is completely unresponsive or won’t power on

• The system fails to modulate, defrost, or operate efficiently

• You're conducting a full electrical diagnostic or replacing damaged components due to power surge or board failure

Delaying replacement of a faulty PCB can lead to system lockouts, poor performance, or additional component failure.

 Technical Specifications

• Part Number: HPID885501

• Manufacturer: Grant UK

• Component Type: Main printed circuit board (controller)

• Application: Grant Aerona³ ASHP systems (R32 refrigerant models)

• Power Supply: Integrated via system wiring harness

• Installation: Internal to unit – must be installed by a qualified professional

• Functions: Controls compressor, fan, temperature sensors, defrost logic, user interface, and safety circuits

• Firmware: Pre-configured from factory