3 OLP (OVER LOAD PROTECTOR)
1) Definition of OLP
(1) OLP (OVER LOAD PROTECTOR) is attached to the
Hermetic Compressor and protects the Motor by cutting
off current in Compressor Motor in case of over-rising
temperature by Bimetal in the OLP.
(2) When over-voltage flows to Compressor motor, the
Bimetal works by heating the heater inside the OLP,
and the OLP protects Motor by cutting off current which
flows to the Compressor Motor.
2) Role of the OLP
(1) The OLP is attached to the Hermetic Compressor used
for the Refrigerator and Show Case and prevents the
Motor Coil from being started in the Compressor.
(2) Do not turn the Adjust Screw of the OLP in any way for
normal operation of the OLP.
(Composition and connection Diagram of OLP)
CIRCUIT DIAGRAM
C
N
L
3
4
6
5
2
S
BK
PK
RD
BLBLBL
BK
BL
CAPACITOR
PART
EARTH PART
COMPRESSOR
P.T.C
STARTER
RUNNING
BLBL
BL
BK
PR
GN/YL
POWER
SUPPLY
CORD
RT-SENSOR
YL
BL
DEF-SENSOR
F-SENSOR
DOOR OPEN
PERCEPTION
BL
BL
BO
BO
GY
RD
GY PR BL YL RD BN WH WH
BO
YL BK GY BN
BK
OVERLOAD
PROTECTOR
STARTING
COOLING
FAN MOTOR
DOOR SW-R
R-LAMP
M
C
M
FAN MOTOR
PWB ASSY, MAIN
DISPLAY CONTROL P.W.B
CIRCUIT DIAGRAM
123456789
GY
A
PR BL YL RD BN WH WH
BO
123456789
¥ THE PLUG TYPE,
CAPACITOR PART,
COMPRESSOR EARTH
PART ON CIRCUIT
DIAGRAM ARE SUBJECT
TO CHANGE IN DIFFERENT
LOCALITIES AND ACCORDANCE
WITH MODEL TYPE
¥ WHEN STARTING CAPACITOR
IS NOT USED, NO.3,4 OF PTC
START IS CONNECTED
INTERNALLY
M
BK:BLACK
YL:YELLOW
SB:SKY BLUE
BN :BROWN
GN:GREEN
PK :PINK
RD:RED
BL :BLUE
GN/YL:GREEN/YELLOW
BO:BRIGHT ORANGE
PR:PURPLE GY:GRAY
WH/BK:WHITE/BLACK
WH:WHITE
B
9876 43215
BL YL BK GY BN
BL
FUSE-M
(
72
û
C
)
SHEATH HEATER
GY
RD
B
A
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