2. Connecting of Piping - Indoor
1. Prepare the indoor unit piping and drain hose for
installation thought the wall.
2. Align the center of the liquid side pipe.
3. Sufficiently tight the flare nut of the liquid side pipe
with hands.
4. Tight the flare nut with two spanner, as shown.
5. Align the center of gas side pipes.
6. Sufficiently tight the flare nut of the gas side pipe with
hands.
7. Tight the flare nut with two spanner as shown.
8. If drain pipe need to be extended at the indoor side
attach the drain pipe with indoor unit drain hose as
shown in fig.
Wrap the insulation material around
connection portion
9. Overlap the connection connecting pipe insulation
material and the indoor pipe insulation martial. Bind
them together with the vinyl tape. So that here may
not be any gap.
mm
inch
kgf.cm
Ø6.35
1/4
180~250
Ø9.52
3/8
340~420
Ø12.7
1/2
550~660
Ø15.88
5/8
630~820
Ø19.05
3/4
990~1,210
Outside diameter
Torque
Indoor unit tubing
Flare nut
Pipes
Wrench
Indoor unit tubing
Open-end wrench (fixed)
Connection pipe
Flare nut
Vinyl tape(narrow)
Adhesive
Drain pipe
Indoor unit drain hose
Plastic bands Insulation material
Installation Manual
15
Connecting Pipes to the Indoor Unit
