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Service Procedures

IDENTIFYING UNMARKED SINGLE-PHASE PSC AND CSR MOTOR TERMINALS MEASUREMENT PROCEDURE

Posted on April 9, 2019June 10, 2019 by matt
Service Procedures

THREE-PHASE COMPRESSOR MOTOR WINDING-TO-WINDING RESISTANCE MEASUREMENT PROCEDURE

Posted on April 9, 2019June 10, 2019 by matt
Service Procedures

SINGLE-PHASE COMPRESSOR MOTOR WINDING-TO-WINDING RESISTANCE MEASUREMENT PROCEDURE

Posted on April 1, 2019June 10, 2019 by matt
Service Procedures

COMPRESSOR MOTOR GROUNDED WINDING MEASUREMENT PROCEDURE

Posted on April 1, 2019June 10, 2019 by matt
Service Procedures

COMPRESSOR MOTOR OPEN OR SHORTED WINDING MEASUREMENT PROCEDURE

Posted on April 1, 2019June 10, 2019 by matt
Service Procedures

START/RUN CAPACITOR MEASUREMENT PROCEDURE

Posted on April 1, 2019June 10, 2019 by matt
Service Procedures

START RELAY CHECKS AND MEASUREMENTS

Posted on April 1, 2019June 10, 2019 by matt
Service Procedures

Identifying Unmarked Terminals of a PSC/CSR Motor

Posted on April 1, 2019 by matt

Sometimes the terminals on a single-phase compressor are not marked or are hard to identify. The terminals can be identified using a VOM/DMM to measure…

Service Procedures

Start Thermistors

Posted on April 1, 2019June 10, 2019 by matt

Start thermistors are used to provide additional starting torque for PSC compressors. The start thermistor is a temperature sensitive device whose electrical resistance changes as…

Service Procedures

Motor Start Relay

Posted on April 1, 2019June 10, 2019 by matt

The motor start relay is used to remove the starting capacitor from the motor starting circuit when the motor reaches about 75 to 80 percent…

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