Samsung AC Series - Pre-prepare Before Installation

02 INSTALLATION
17
English
Wiring Diagram of Power Cable
When using ELB for 1 phase and 3 phase
ELB
MCCB
MCCB
1(L) 2(N)
N
L
N
L3(T)
1(L) 2(N)
L2(S)
L1(R)
Power Supply
Electrical
component box
Indoor Unit
f 3 phase
Indoor Power
Communication cable
Main power cable
❋ The appearance of the unit may be
dierent from the picture depending on
the model.
Cable tie
Cable tie
Communication
cable
3 Phase 4 Wires power
cable (AC 380V)
Indoor Power
f 1 phase
• 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.
CAUTION