OHM ELECTRIC Cool Cabi OCA-S350BCD-A200, Instruction Manual

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10
②
OCA-S2300BCD-A200
4-3 Overcurrent protection
Caution
Do not forget to fit an earth leakage breaker.
→
Failure to this may lead to tripping of the earth-leakage breaker for
the enclosure in the event of electric leakage.
Selection of a breaker should be made so as to fit the type of the cooler.
a. With the input of power supply, or with the start of cooling operation,
COOLCABI is subject to starting current for approx. 1 second. Therefore,
the selection of an earth leakage breaker should be made so as to assure
stable operation without affected by such current as well as providing
effective protection against possible overcurrent thereafter.
b. For earth leakage breakers, use a reference value of 30mA
for sensitivity rating as a guide of selection.
Earth leakage
breaker
(For exclusive
use of cooler)
COOL
CABI
OLP
(Overload protector)
FM1
2
3
1
Thermal relay
Sensor
RY1
CN6
CN3 CN1
CN4
Fuse 250V 1A
Control board
1
2
3
Terminal
board
CN8
E
Overheat
detector
MG1
External fan x 4
FM2
OLP
(Overload protector)
3
2
1
Compressor
CMP
Magnetic
switch
Internal fan x 2
Reverse phase
prevention relay
R1
S
Terminal board
FM1
A C S T R
R S T B C A
FM2 FM2 FM2
V W U
V W U
S T1 R
S
R
T
E