Olp (Over Load Protector); Circuit Diagram - LG GL-S392DM Service Manual

4-3 OLP (OVER LOAD PROTECTOR)

4-3-1 Definition of OLP
(1) OLP (OVER L OAD PRO TECT
Hermetic Compressor and protects Motor by cutting off
current in Compressor Motor by Bimetal in the OLP in
case of over-rising temperature.
(2) When over-voltage flows to Compressor motor, Bimetal
works by heating the heater inside OLP ,
and OLP protects Motor by cutting off current which
flows to Compressor Motor.
4-3-2 Role of OLP
(1) OLP is attached to Hermetic Compressor used to
Refrigerator and Show Case and prevents Motor Coil
from being started in the Compressor.
(2) Do not turn the Adjust Screw of OLP in any way for
normal operation of OLP.
(Composition and connection Diagram of OLP)

5. CIRCUIT DIAGRAM

OR) is attached to
CIRCUIT DIAGRAM
PWB,ASSY MAIN
- 9 -
CONTACTING
POINT
COVER
CONTACTING
POINT
TERMINALS
BIMETAL
ADJUST
SCREW
HEATER
DISPLAY
BIMETAL
HEATER
Figure 18