Samsung UH140GAMC Installation Manual page 13

When using an ELB for 3 phase 4 wires (UH140/105GAMC)
Power Supply
MCCB
Electrical component box
3 Phase
ELB
4 Wires
MCCB
Indoor Unit
CAUTION
You should connect the power cable into the power cable terminal and fasten it
with clamp.
The unbalan ced power must be maintained within 2% of supply rating.

- If the power is unbalanced greatly, it may shorten the life of the condenser. If the
unbalanced power is exceeded over 4% of supply rating, the indoor unit is protect
ed, stopped and the error mode indicates.
To protect the product from water and possible shock, you should keep the power

cable and the connection core of the indoor and outdoor units in the iron pipe.
Connet the power cable to the auxiliary circuit breaker.

An all pole disconnection from the power supply must be incorporated in the fi xed
wiring(>=3mm).
When connecting cables, make the cable pass through the cable tube as shown at

the fi gure.
Communation cable
Connection cord
Power cable
Cable tube
Must keep the cable in a protection tube.

Keep distances of 50mm or more between power cable and communication

cable.
Cable
clamp
Communication Connection cord
Cable
Gas refrigerant pipe Liquid refrigerant pipe
Main PCB
A B
3 Phase 4 Wires
Power Cable
(AC 380V)
13
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