Samsung AC NX S C Series Installation Manual page 15

Wiring Diagram of Power Cable
When using ELCB for 1 phase
Power Supply
MCCB
Or
ELCB ELB
Indoor Unit
When using ELCB for 3 phase
Power Supply
MCCB
Or
ELCB
ELB
Indoor Unit
 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.
• T he 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.
• T o protect the product from water and possible shock, you should keep the power cable and the connection cord of
the indoor and outdoor units within ducts. (with appropriate IP rating and material selection for your application)
• E nsure that main supply connection is made through a switch that disconnects all poles, with contact gap of
a least 3 mm.
• D evices disconnected from the power supply should be completely disconnected in the condition of
overvoltage category.
• K eep distances of 50mm or more between power cable and communication cable.
Electrical component box
Electrical component box
F1 F2 1(L) 2(N)
Cable tie
Communication cable
Indoor Power
1(L) 2(N)
F1 F2
Communication cable
Indoor Power
L N
Cable clamp
Main power cable
L1(R) L2(S) L3(T) N
Cable tie
Cable clamp
Main power cable
English
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