Connecting Power And Communication - Samsung 018 Series User & Installation Manual

Connecting power and communication

• Always remember to connect the refrigerant pipes before installing the electric connections. When
disconnecting the system, always disconnect the electric cables before disconnecting the refrigerant pipes.
CAUTION
• Always remember to connect the air conditioner to the grounding system before installing the electric
connections.
The indoor unit is powered by the outdoor unit by means of a H07 RN-F connection cable (or a better model), with
insulation in synthetic rubber and jacket in polychloroprene(neoprene), in accordance with the requirements of
standard EN 60335-2-40.
1. Remove the screw on the electrical component box and remove the cover plate.
2. Route the connection cord through the side of the indoor unit and connect the cable to terminals; refer to the
figure below.
3. Route the other end of the cable to the outdoor unit through the ceiling and wall penetration.
4. Reassemble the electrical component box cover, carefully tightening the screw.
Wiring diagram
1 phase
Indoor Unit
L1 L2 L1 L2
1(L) 2(N)
L N
Cable tie
Indoor Power
Main power cable
Cable clamp
Outdoor Unit
• In case of extending the electric wire, please DO NOT use a round-shaped compression socket.
- Incomplete wire connections can cause electric shock or fire.
WARNING
Between Indoor and Outdoor Connection cable Specifications (Common in use)
Power Supply
208~230V/60Hz
❋ Power supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene sheathed
❋
flexible cord (Code designation IEC:60245 IEC 57 / CENELEC: H05RN-F or IEC:60245 IEC 66 / CENELEC: H07RN-F)
❋ Screws on terminal block must not be unscrewed with the torque less than 12 kgf•cm.
❋
❋ Since it has the external power supply, refer to the outdoor unit installation manual for MAIN POWER.
❋
44
F4
F3
V2
V1
F2
F1
Communication cable
Indoor Power supply
Max/Min(V)
±10%
When installing the indoor unit in a computer room, use the double
shielded(Tape aluminum / polyester braid + copper)cable of FROHH2R type.
Indoor Power cable
0.0039in² ,3wires
Communication Cable
0.0011~0.0023in²,2wires