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12
Installation Procedures
Select whether the drain hose will be connected to
the left or right side.(Fig.3)
Insert the drain hose into the drain pan, then secure
the drain hose with a nylon fastener.(Fig.6)
Wrap the insulation (drain hose)around the drain
hose connection.(Fig.7)
Be sure to arrange the drain hose correctly so that
it is leveled lower than the drain hose connecting
port of the indoor unit.(Fig.18)
5. INSTALL THE DRAIN HOSE
Fig. 19
Fig. 18
NO
OK
Remove the hole cover.
Arrange the drain hose
lower than this portion
Drain hose
Piping hole
Base (Bottom)
Intake grill
VT wire hole
Pass the drain hose through here
Cut the grill
VT wire
Drain hose
CONNECTING THE PIPING
OUTDOOR UNIT INSTALLATION
1. FLARE PROCESSING
(1) Cut the connection pipe with pipe cutters so
that the pipe is not deformed.
(2) Holding the pipe downward so that cuttings
cannot enter the pipe, remove the burrs.
(3) Remove the flare nut from the indoor unit pipe
and outdoor unit and assemble as shown in
(Table1) and insert the flare nut onto the pipe,
and flare with a flaring tool.
(4) Check if the flared part "L" (Fig.20)is spread
uniformly and that there are no cracks.
Table 1
Pipe Flare nut
Small pipe
Large pipe
Small (width across flats 22mm)
Large (width across flats 24mm)
2. BENDING PIPES
Fig. 21
The pipes are shaped by your hands. Be careful
not to collapse them.
Fig. 20
OK
NO
Extend the pipe by unwinding it
Liquid pipe
Diameter of pipe
Dimension A (mm)
1.0~1.2
6.35mm (1/4”)
Gas pipe
1.4~2.2
12.7mm (1/2”)
9.52mm (3/8”)
15.88mm (5/8”)
Liquid pipe
Gas pipe
L
Width across flats
L dimension
For series 142, 182
For series 242