50
THE INDOOR UNIT INSTALLATION
ENGLISH
3
When needed to extend the drain hose of
indoor unit, assembly the drain pipe as
shown on the drawing
Vinyl tape(narrow)
Adhesive
Drain pipe
Indoor unit drain hose
Wrap the insulation material around
the connecting portion.
1
Overlap the connection pipe insulation
material and the indoor unit pipe insulation
material. Bind them together with vinyl
tape so that there may be no gap.
Insulation material
2
Set the tubing cutting line upward.
Wrap the area which accommodates the
rear piping housing section with vinyl tape.
3
Bundle the piping and drain hose together
by wrapping them with vinyl tape sufficient
enough to cover where they fit into the
rear piping housing section.
Wrap with vinyl tape
Drain hose
Pipe
Vinyl tape(wide)
Gas Pipe
Liquid Pipe
Cutting Line
Cutting Line
Good Case
Bad Case
* Tubing cutting line have to be upward.
Vinyl tape(narrow)
Connection pipe
Connecting cable
Vinyl tape (wide)
Wrap with vinyl tape
Indoor unit pipe
Pipe
CAUTION
!
• When mechanical connectors are reused
indoors, sealing parts shall be renewed.
• When flared joints are reused indoors,
the flare part shall be re-fabricated.
Connecting the installation pipe and
drain hose to the indoor unit.
1
Align the center of the pipes and
sufficiently tighten the flare nut by hand
2
Tighten the flare nut with a wrench
Indoor unit tubing
Flare nut
Pipes
Outside diameter
Torque
mm
inch
kgf.m
Ø 6.35
1/4
1.8~2.5
Ø 9.52
3/8
3.4~4.2
Ø 12.7
1/2
5.5~6.5
Ø 15.88
5/8
6.3~8.2
Ø 19.05
3/4
9.9~12.1
Wrench
Indoor unit tubing
Open-end wrench
(fixed)
Connection
pipe
Flare nut
Summary of Contents for UM30F
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