Westinghouse 621720 Condenser Fan Motor 1/8 Hp 208/230V Psc

Product Description

The WESTINGHOUSE 621720 is a PSC condenser fan motor rated at 1/8 HP and designed for single packaged air conditioning and heat pump systems. Running on 208/230 VAC single-phase power at 1100 RPM with a 6-pole configuration, this motor provides reliable condenser section airflow essential for proper heat rejection. Terminal designation K identifies the wiring interface for straightforward field connection. Licensed HVAC technicians handling packaged rooftop or ground-mount equipment will find this motor a direct-fit solution for the applicable Westinghouse model lines.

This motor is specified for use on 10 SEER and 12 SEER single packaged heat pump units as well as 13 SEER single packaged air conditioners. It is applicable to the Q3RA, Q3RC, and P3RD model families. These are typically residential or light commercial packaged systems where the condenser motor is a field-replaceable component serviced by a licensed HVAC technician during scheduled maintenance or emergency motor-failure calls.

Key Features

• PSC motor type for reliable single-phase condenser fan operation
• 1/8 HP output matched to original equipment specifications
• 208/230 VAC single-phase input accommodates standard residential and light commercial supply voltages
• 1100 RPM operating speed for proper condenser airflow performance
• 6-pole design for smooth, low-speed operation
• Terminal designation K for correct field wiring identification

Compatibility

Designed for use on Westinghouse 10 SEER and 12 SEER single packaged heat pump units (Q3RA, Q3RC) and 13 SEER single packaged air conditioners (P3RD).

Installation Notes

Installation should be performed by a licensed HVAC technician in accordance with local codes and the equipment manufacturer's service documentation. Disconnect and lock out all electrical power to the unit before removing the existing motor or handling any wiring. Verify supply voltage matches the motor's 208/230 VAC rating before energizing. Confirm correct rotation direction and mounting orientation before returning the unit to service.

Technical Specifications

• Motor Type: PSC
• Horsepower: 1/8 HP
• Voltage: 208/230 VAC
• Phase: 1-Phase
• Speed: 1100 RPM
• Poles: 6
• Terminal Designation: K

Standard Information

• Brand: WESTINGHOUSE
• Manufacturer Part Number: 621720