No, it is not recommended to use a single run capacitor for both the compressor and the fan in an air conditioning system. The compressor and the fan have different power requirements and operate at different speeds, necessitating separate capacitors.
The run capacitor is responsible for providing an extra electrical boost to start and continuously run the motor in an HVAC system. The compressor and the fan motor have different horsepower ratings and require capacitors with specific values to match their power requirements.
Using a single capacitor for both the compressor and the fan can result in inadequate power supply, which can lead to motor damage, inefficient operation, or even system failure. Additionally, using an improperly sized capacitor can put stress on the electrical components of the system, potentially causing further damage.
If you suspect an issue with the capacitors in your air conditioning system, it's best to consult a qualified HVAC technician. They can assess the specific requirements of your system and ensure that the proper capacitors are installed for both the compressor and the fan motor.