5-3. Over Load Protector (OLP)
1. Define
(1)The OLP (OVERLOAD PROTECTOR) is attached to the Compressor and protects the motor by opening the circuit to the motor if the temperature rises and activating the bimetal spring in the OLP.
(2)When high current flows to the compressor motor, the Bimetal works by heating the heater inside the OLP, and the OLP protects the Motor by cutting off the current flowing to the Compressor Motor.
(OVERLOAD PROTECTOR cross section)
2. Role
(1)The OLP is attached to the sealed compressor used for the refrigerator. It prevents the motor coil from being started in the compressor.
(2)For normal operation of the OLP, do not turn the adjustment screw of the OLP in any way.
| 12345678 |
330 FBYY |
Electrical characteristics part number
Customer part number
Lot code/ date code
Physical termination part number
Part
No. Name 
Base, phenolic
(UL 94
Movable arm support, plated steel
Stationary contact support, plated steel
Heater support, plated steel
Heater, resistance alloy
Disc, thermostatic alloy
Movable arm, spring temper copper alloy
Contact, movable, silver on copper
Contact, stationary, silver on copper
Slug, plated steel
Cover, polyester (UL 94 V -0 rated)
Pin connector, plated copper alloy (To engage 2.33/2.66 mm dia. pin) 
5-4. Remove the cover Positive Temperature Coefficient (PTC)
(1)Remove the cover of the mechanical area.
(2)Disconnect the two clamps holding
the compressor in place.
(3) Loosen two screws on compressor base.
(4)Use a screwdriver to pry off the cover.
(5)Assembly is the reverse order of disassembly.
1 | 3 |
2
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