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Installation Procedure
Connecting the main power cable
When using ELB for 1 phase and 3 phase
Power supply
MCCB
ELB
The appearance of the unit may be
different from the picture depending
on the model.
CAUTION
•
You should connect the power cable into the power cable terminal and fasten it with a clamp.
•
The unbalanced 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 protected, stopped and the error mode indicates.
•
To protect the product from water and possible shock, you should keep the power cables and the communication cable
of the indoor and outdoor units within ducts. (with appropriate IP rating and material selection for your application)
•
Ensure that main supply connection is made through a switch that disconnects all poles, with contact gap of a least 3
mm.
•
Devices disconnected from the power supply should be completely disconnected in the condition of overvoltage
category.
•
Keep distances of 50 mm or more between power cable and communication cable. If the distance of 50mm or more
cannot be kept, a double shielded cable (FROHH2R or LiYCY type) must be used, connected to earth on a single side.
12 English
Electrical
component box
Indoor Unit
1-phase
1(L)
2(N)
L
N
Outdoor-to-
Main power
indoor power
cable
cable
3-phase
1(L)
2(N)
L1(R)
L2(S)
L3(T)
Outdoor-to-
3-phase 4-wire
indoor power
main power cable
cable
(AC 380V)
F1
F2
Cable tie
Communication cable
F1
F2
N
Cable tie
Communication
cable
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