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Installation of Unit
Installation Manual 15
ENGLISH
Connecting pipings to the outdoor unit .
1. Align the center of the pipings and
sufficiently tighten the flare nut with fingers.
2. Finally tighten the flare nut with torque
wrench until the wrench clicks.
• When tightening the flare nut with torque
wrench, ensure the direction for tightening
follows the arrow on the wrench.
1. Open the control board cover from the
outdoor unit by removing the screws.
2. Connect wires to the terminals on the control
board individually and secure the cables
onto the control board with clamp.
3. Secure the control board cover to the
original position with the screws.
CAUTION: Perform grounding
• This product should be grounded.
• Defective grounding could cause an
electric shock.
Gas side piping
Liquid side piping
Torque wrench
Outdoor unit
4(L2)Terminals on the indoor unit 3(L1)
675
4(L2)
Terminals on the outdoor unit
POWER INPUT
3(L1)2(L2)1(L1)
5
PIPE SIZE TORQUE
1/4" 1.8~2.5 kgf·m
3/8" 3.4~4.2 kgf·m
1/2" 5.5~6.6 kgf·m
5/8" 6.3~8.2 kgf·m
3/4" 9.9~12.1 kgf·m
Connecting the cables to the outdoor unit
Terminal block
Over 5mm
(2")
Cover control
Conduit panel
Connecting
cable
Power supply
cord
(America, Canada Only)(America, Canada Only)