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99
Indoor Unit Installation
5.
Laying piping, hoses, and wiring
•
Lay the pipes, drain hose and
G
humidifying hose according
to the orientation of the piping coming out of the unit, as
shown in the fi gure.
•
Make sure the drain hose is sloped downward.
•
Wrap the pipes, drain hose and
G
humidifying hose together
using insulation tape.
Inter-unit wire
Liquid pipe
G
Humidifying hose
Gas pipe
Drain hose
Insulation tape
Piping bundle diagram
5-1 Right-side, right-back, or right-bottom piping
•
Right-side piping
•
Right-back piping
•
Right-bottom piping
Remove pipe port
cover.
Install with a
downward slope.
Remove pipe port
cover.
G
Humidifying hose
It is recommended to use
an elbow (fi eld supply).
1) Wrap the pipes, hose and inter-unit wire using insulation tape as shown in the piping bundle diagram.
2) Put all the pipes through the through-hole in the wall and hook the indoor unit onto the
A
mounting plate.
3) Connect the pipes.
5-2 Left-side, left-back, or left-bottom piping
•
Left-side piping
•
Left-back piping
•
Left-bottom piping
Remove pipe port
cover.
Refrigerant pipe
G
Humidifying hose
Drain hose
Refrigerant pipe
Remove pipe port
cover.
G
Humidifying hose
Refrigerant pipe
1)
Replace the drain plug and drain hose. (Refer to “
4-3 How to replace the drain plug and drain hose
” on page 8.)
2)
Pull in the refrigerant pipes and lay them so that it matches the liquid and gas piping marked on the
A
mounting plate.
3) Hook the indoor unit onto the
A
mounting plate.
4)
Connect the pipes. If it is diffi cult to do, remove the front panel fi rst.
5) Wrap the insulation on the pipes with insulation tape. If you are not replacing the drain hose, store it in the location shown
below.
Drain hose
G
Humidifying hose
Inter-unit wire
A
Mounting plate
Wrap insulation tape around the bent portion of
refrigerant pipes. Overlap at least half the width
of the tape with each turn.
Bind with plastic tape.
4 tabs
Cut off along the
groove (both ends)
If installation is diffi cult, remove the pipe cover (4 tabs) and
cut off the front grille (bottom).
Caulk this hole with
putty or caulking
material.
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