Panasonic U-8MF3R7 Installation Instructions Manual page 37

■ Wiring sample
Use this screw when
connecting to ground for
the inter-unit control wiring.
( : Functional earthing)
Power supply
Inter-unit
control wiring
Earth Wiring:
Make the earth wiring 25 - 30 mm
longer than power cable.
Torque values of power supply terminal board
8/10/12 HP: 2.2 N·m ±0.05 N·m {22 kgf·cm ±0.5 kgf·cm}
14/16 HP: 2.7 N·m ±0.1 N·m {27 kgf·cm ±1 kgf·cm}
Torque value of communication terminal board: 1.3 N·m ±0.1 N·m {13 kgf·cm ±1 kgf·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.
NOT 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
compressor.
• Use a waterproof conduit for outdoor unit wiring to avoid damaging the wire and to prevent accumulation of liquid inside the unit.
Use this screw when
connecting to ground for
the inter-unit control wiring.
( : Functional earthing)
Earth
Power supply
Inter-unit
control wiring
Earth Wiring:
Make the earth wiring 25 - 30 mm
longer than power cable.
Unit front
Earth
Electrical wiring port
Unit bottom
37
Use this screw when connecting
to ground for the inter-unit control
wiring and inter-outdoor unit
control wiring.
( : Functional earthing)
Power supply
Earth Wiring:
Inter-unit
Make the earth wiring
control wiring
25 - 30 mm longer than
power cable.
Inter-outdoor unit
control wiring
Earth