Installation

13 ENGLISH
3. Hang the indoor unit:
• Remove the spacer.
• Hook the indoor unit onto the upper
portion of the mounting plate (Engage
the hooks of the mounting plate into the
openings at the rear top of the indoor
unit).
• Ensure that the hooks are properly
seated on the mounting plate by
moving the indoor unit in all directions.
Fig.3.4.1-8
• Press the lower left and right sides of
the unit against the mounting plate
until the hooks engage into their slots
(clicking sound).
Fig.3.4.1-9
3.4.2 Outdoor Unit
1. Align the centers of the pipes and
sufciently tighten the are nut with your
hands.
Fig.3.4.2-1
2. Then, tighten the are nut with torque
wrench until the wrench clicks.
Fig.3.4.2-2
2-way
valve
• Make sure to follow the torque table
value as below table:
Outer diam.
(mm)
Torque
(N.m)
Additional
Torque (N.m)
Ф6.35 (1/4”) 15.7 (1.6kg.m) 19.6 (2.0kg.m)
Ф9.52 (3/8”) 29.4 (3.0kg.m) 34.3 (3.5kg.m)
Ф12.70 (1/2”) 49.0 (5.0kg.m) 53.9 (5.5kg.m)
Ф15.88 (5/8”) 73.6 (7.5kg.m) 78.6 (8.0kg.m)
3.4.3 Piping Formation
1. Form the piping by wrapping the
connecting portion of the indoor unit
with insulation material and secure it
with narrow vinyl tape and wide vinyl
tape.
• If you want to connect an additional
drain hose, the end of the drain
hose outlet should be routed above
the ground. Secure the drain hose
appropriately.
2. In cases where the outdoor unit is
installed below the indoor unit level:
Upper hook
Upper hook
Liquid
pipe
Outdoor Unit
Gas
pipe
3-way valve
Mounting
plate
Connecting
cable
Drain hose
Mounting plate
Fixing lower hook
Spacer