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Connecting the Refrigerant Piping to the Indoor Unit
Wrapping the Lines and Mounting the Indoor Unit
Once the copper piping kit coil is unwound,
refer to the below instructions to proceed:
1. Bring the ends of both the copper line and
the indoor unit line together. Align the
centers of the pipes that will be connected.
2. Remove the indoor unit piping cap, and
check that no debris is inside. Some gas
may be heard escaping, it is just nitrogen.
3. Use any leak guard or leak sealant on the
flares of the piping if available. Attach the
flare nut and tighten as much as possible by
hand. Torque correctly to the specifications
found on the next page using two wrenches.
Repeat the process for the other copper line.
For mounting the indoor unit, proceed as follows:
1. Arrange the pipes, cables, and drain hose well.
2. Lag the pipe joints with insulation material, and
secure with vinyl tape as depicted in the figure.
3. Run the bound bundle through the wall hole,
and mount the indoor unit securely onto the
mounting plate. Press/push the lower part of the
indoor unit so it clicks onto the mounting plate.
Torque Wrench
Page 29
6
Indoor Unit Installation Instructions
Indoor Unit
Installation
TIGHTENING TORQUE FOR PROTECTION CAPS AND FLANGE CONNECTION
PIPE
1/4”
( 6.35)
3/8”
( 9.52)
1/2”
( 12.7)
5/8”
( 16)
TIGHTENING TORQUE
TIGHTENING TORQUE
[N x m]
[N x m]
CORRESPONDING STRESS
(using a 20 cm wrench)
15 - 20
31 - 35
35 - 45
75 - 80
Service Port Nut
Protection Caps
7 - 9
25 - 30
Wrist Strength
Arm Strength
Arm Strength
Arm Strength
Refrigerant
Pipe
Refrigerant
Pipe
Insulation
Sleeve
Connection
Cable
Condensed Water
Drain Pipe
Covered by Vinyl Tape
Mounting Plate
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