33
Use this screw when
connecting to ground for
the inter-unit control wiring.
(
: Functional earthing)
Power supply
Inter-unit control wiring
Power supply
Inter-unit control wiring
Power supply
Inter-unit control wiring
Inter-outdoor unit
control wiring
Earth Wiring:
Make the earth wiring
25 - 30 mm longer than
power cable.
Earth Wiring:
Make the earth wiring
25 - 30 mm longer than
power cable.
Earth Wiring:
Make the earth wiring
25 - 30 mm longer than
power cable.
Earth
Earth
Earth
Use this screw when
connecting to ground for
the inter-unit control wiring.
(
: Functional earthing)
Use this screw when connecting
to ground for the inter-unit control
wiring and inter-outdoor unit
control wiring.
(
: Functional earthing)
■ Wiring sample
Torque values of power supply terminal board
8/10/12 HP: 2.2N·m±0.05N·m {22
kg
f·cm ±0.5
kg
f·cm}
14/16 HP: 2.7N·m±0.1N·m {27
kg
f·cm ±1
kg
f·cm}
Torque value of communication terminal board: 1.3N·m±0.1N·m {13
kg
f·cm ±1
kg
f·cm}
ATTENTION: Comply with the torque values.
If tightening over torque values, the screw will be damaged.
ATTENTION: Apply an adjustable wrench to the valve vertically not to damage the P.C.board.
N OT E
• Fix the wires with the clamper to the wiring fixture plates (2 locations) and do not allow them to touch the refrigerant tubing and com-
pressor.
• Use a waterproof conduit for outdoor unit wiring to avoid damaging the wire and to prevent accumulation of liquid inside the unit.
Electrical wiring port
Unit front Unit bottom
00_340994_2WAY_Eng.indb 33 2022/8/4 14:28:42
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