15
Installation Instructions
Indoor unit installation
Unit Model
Size A
Size B
Size C
mm/in
mm/in
mm/in
738 Series
68/2.68
33/1.3
70/2.7
808 Series
70/2.75
35/1.38
70/2.7
908 Series
137/5.4
40/1.57
70/2.7
1080 Series
170/6.7
40/1.57
70/2.7
1280 Series
64/2.52
41.2/1.62
70/2.7
Install a sleeve through the wall hole to keep the wall
tidy and clean.
Drill a hole in the wall. The hole should tilt a little
downward toward outside.
Decide the position of the hole for piping according to the
location of mounting plate.
2. Drill a Hole in wall for interconnecting Piping, Drain & Wiring
Table of Wall Hole Mounting size per Unit Size
Indoor
Outdoor
Wall hole sleeve
( hard polythene tube
prepared by user)
5mm
0.2in
(tilt downward)
Piping direction
1
2
3
4
Trough
Rubber plug
Drain
hole
Drainage
structure
Note: When installing the pipe at the directions
1,2 or 4, saw the corresponding unloading piece
off the indoor unit base.
Note: Both sides drainage structure is standard. For both sides drainage structure, it can be chosen for right, left or both
sides drainage connection. If choosing both sides drainage connection, another proper drain hose is needed as there is only
one drain hose offered by factory. If choosing one side drainage connection, make sure the drain hole on the other side is well
plugged.
Unloading
piece
Saw the unloading piece
off along the trough
After connecting the piping , install the drain hose. Then connect the power cords. After connecting,
wrap the piping, cords and drain hose together with thermal insulation materials.
Put the piping (liquid and gas pipe) and cables through the wall hole from outside or put them through
from inside after indoor piping and cables connection is complete to connect to the outdoor unit.
Decide whether to saw the unloading piece off in accordance with the piping direction.(as shown below)
3. Piping and Drain Hose Connections to Indoor Unit
