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INSTALLING THE DRAIN HOSE
Install the drain pipe with downward gradient (1/50 to 1/100) and so there are no rises or traps in the pipe.
Use general hard polyvinyl chloride pipe (VP25) (outside diameter 38 mm)
During installation of the drain pipe, be careful to avoid applying pressure to the drain point of the unit.
When the pipe is long, install supporters.
Do not perform air bleeding.
Always heat insulate (8mm or over thick) the indoor side of the drain pipe.
BAD
Supporter
5 to 6.5 ft
(1.5 to 2m)
(1) Install insulation for the drain pipe
Insulation for Drain pipe
(To be obtained locally.
Length should be at least 8mm.)
Indoor unit (drain port)
Drain pipe insulation (accessories)
Drain pipe
Indoor unit
No gap
10mm or over
Drain pipe
Drain pipe insulation
17
Installation Procedure
GOOD
BAD
Cut the included insulation material to an appropriate size and adhere it to the pipe.
Indoor unit
(Rear view)
Cable VT
drain pipe
Fasten the drain pipe with cable VT so that there is a proper slope for drain pipe to
exit from the indoor unit.
(2) When drain pipe is put in the right rear position
Note:
When welding the pipe ,please blow nitrogen to prevent oxidation,with about 0.02MPa pressure of nitrogen
flow .otherwise , the oxide can damage the outdoor unit.
L1: 19.05mm, L2: 22.22mm
L3: 9.52mm, L4: 12.7mm
L1 500mm, L3 500mm
Indoor unit
Outdoor unit
L1
L2
L3
L4
(3) Throttle pipe should be installed between indoor unit and connecting pipe. When
connect with 12.7mm liquid pipe and 22.22 gas pipe, should do installation in
following way. The throttle pipe was put in accessory bag in indoor unit