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4-3 OLP (OVER LOAD PROTECTOR)
(1) OLP (OVER LOAD PROTECTOR) is attached to
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.
4-3-1 Definition 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)
4-3-2 Role of OLP
CONTACTING
POINT
ADJUST
SCREW
HEATER
COVER
BIMETAL
HEATER
CONTACTING
POINT
TERMINALS
BIMETAL
Figure 21
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