2.B COMPRESSOR INOPERATIVE

IS

LINE VOLTAGE

YESWITHIN ￿ 10%

OF NAMEPLATE

VOLTAGE?

IS

THERMALNO PROTECTOR

OPEN?

YES

NO

IS

CONTACTOR

PULLED

IN?

NO

CHECK VOLTAGE PROBLEMS IN 1 .

YES

 

 

 

IS

 

YES

COMPRESSOR

NO

 

 

 

BODY

 

 

 

 

COLD?

 

 

 

 

 

 

 

 

 

 

REPLACE

 

 

 

 

 

THERMAL

 

 

 

 

 

PROTECTOR.

 

 

 

 

 

 

 

 

 

 

 

 

 

1.CHECK FOR LOOSE OR BROKEN WIRING CONNECTION IN COMPRESSOR POWER CIRCUIT.

2.CHECK CONTACTOR.

3.CHECK STARTING RELAY.

4.CHECK CAPACITOR(S).

5.CHECK COMPRESSOR MOTOR.

 

IS

 

 

120V.

 

YES

PRESENT AT

NO

 

CONTACTOR

 

 

COIL

 

 

TERMINAL?

 

REPLACE CONTACTOR.

1.CHECK FOR LOOSE OR BROKEN WIRING CONNECTION IN CONTROL CIRCUIT.

2.GO TO 2.A

91704

22

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Cornelius SID650A/80-BC, SID650W/80-BC manual YES Present AT