The ComfortStar IMP Driver Board is the designated motor controller for specific Alegria Platinum outdoor systems, including models CM5-54-5Z and CPP048CD(O). This component regulates the operation of the outdoor fan motor and inverter compressor drive logic, ensuring precise modulation and energy-efficient performance in variable-speed applications.
Built for use in inverter heat pump systems, the IMP driver board receives commands from the main PCB and adjusts motor frequency and voltage to match system demand. Its design includes thermal overload protection, voltage monitoring, and fault indication to help safeguard system components and maintain operational continuity.
Model Application and Function
Compatible Models: Alegria Platinum CM5-54-5Z and CPP048CD(O)
Voltage: 24V signal input; power regulation for inverter motor control
Function: Controls compressor drive frequency and outdoor fan modulation
Mounting: Designed for factory location in outdoor electrical panel
Key Features
Motor Driver Control: Provides VFD signal output for inverter compressor operation
Integrated Diagnostics: Supports error code output and protection logic
Overload Safeguards: Includes protection against overcurrent and overheating
System Synchronization: Interfaces directly with main control board and sensor inputs
Installation Notes
Replacement of the IMP driver board should be performed by HVAC technicians familiar with ComfortStar inverter systems. Prior to installation, disconnect system power and verify the board part number against the unit model to ensure compatibility. Confirm terminal positions and inspect for any shorted components before energizing the system.
Tools Required
Digital multimeter
Phillips-head screwdriver
Wiring diagram from ComfortStar service documentation
Use Cases
OEM replacement for inverter fan or compressor drive failure
Component upgrade as part of main board service in CM5-54-5Z / CPP048CD(O)
Corrective replacement due to thermal failure, surge, or control fault