Samsung RC DHXE Series Installation Manual page 12

Connecting the cable AA
Wiring Diagram of Power Cable
When using ELB for 1 phase and 3 phase
Power Supply
MCCB
ELB
MCCB
Indoor Unit
 The appearance of the unit may be different from
the picture depending on the model.
• 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 cable and the connection cord 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 50mm or more between power cable and communication cable.
12
Electrical component box
 1 phase
1(L) 2(N)
L
Indoor Power
Main power cable
 3 phase
1(L) 2(N)
L1(R) L2(S) L3(T)
N
Connection
3 Phase 4 Wires power
cord
cable (AC 380V)
N
Cable tie
Cable clamp
Communication
cable
Cable tie
Cable clamp
Communication
cable