Outdoor Unit Installation; Wiring Connection - Samsung MC18AC2-09 Service Manual

Operating Instructions and Installation
3-2-2(e) Outdoor unit installation
GAS LEAK TEST
Indoor unit check point
Check for gas leak from the flare nut
connections with leak detector.

WIRING CONNECTION

1
Outdoor unit
(L)
E
1 2 3
1 2 3 E
Indoor unit
A-unit
3-8
Two electric cables must be connected to the outdoor unit:
• The assembly cable connecting the indoor unit to the outdoor unit.
• The power cable connecting the auxiliary circuit breaker to the outdoor unit.
1 Remove the terminal board cover on the side of the outdoor unit.
2 Connect the assembly cable to terminals 1 to 5 and connect the power cable to
therminals A to B.
√ Each wire is labelled with the corresponding terminal number.
√ Ensure the wire number of the indoor unit and the terminal number of the
outdoor unit.
3 Connect the earth wires to the earth terminals.
√ Refer to the page opposite for further details on how to check that earthing
is correct.
4 Replace the terminal board cover, carefully tightening the screw.
5 Connect the power cable to the auxiliary circuit breaker.
2 3 1 2 3 1 2
(N) COM (L) (N) COM (L) (N )
A B
Earth
terminal 1 2
Earth 1 2
terminal
B-unit
T erminal block
Earth terminal
E
Circuit Breaker
(Main Power supply cable)
Earth
E
3
terminal
Assembly cable
3 E
Earth
terminal
Outdoor unit check point
Samsung Electronics