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4-30LP (OVERLOAD PROTECTOR)
4-3-1 Definition of OLP
(1) OLP (OVERLOAD PROTECTOR) is attached to the
Compressor and protects the Motor by cutting the
current to the Motor ifthe temperature rises and
activates the bimetal spring 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.
4-3-2 Role of the OLP
(1) The OLP is attached to the Hermetic Compressor used
for the Refrigerator and prevents the Motor Coil from
being started inthe Compressor.
(2) Do not turn the Adjust Screw of the OLP in any way for
normal operation of the OLR
(Composition and connection diagram of OLP)
5. CIRCUIT DIAGRAM
CONTACTING
POINT
COVER
BIMETAL
BIMETAL
ADJUST _
SCREW
HEATER
Figure 21
BL
WH:WH;TE BL:_.UE RD:RED GY:GRA'tPURPLE "ft.:'t'RIOW BO:BRIGHTORN_E
BK:Bt,ACK BN:BROWN PR:PU_:t,E PK:PINK GN:G_EN
[ i co.=]
I_"_: Ple=emplu9thepo_r =_1
fromthev_loulef.
SWg'(_N0
TIME
awl SW3
OFF OFF 10.5Se
ON OFF 9 sec
OFF OFF lOsec
ON OFF 11se(
OFF O_ 12se(
ON ON 13se(
OFF ON 14se{
15see
SWITCHOFF 2 3
L_J L-_J _
SW1SW2 SW3
3854JD1046C
-9-
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