Haier AS072XHERA Operation And Installation Manual page 28

Instructions to installation
5. Method for Cutting and Expanding Pipes.
When the pipe is too long or the mouth is damaged, the pipe needs to cut or expanded.
1.cutting hose
A
Hose Expander
Correct
Tilting
6. When the mounting plate is first fixed
1. Carry out, based on the neighboring pillars or lintels, a proper leveling for the plate to be
fixed against the wall, then temporarily fasten the plate with one steel nail.
2. Make sure once more the proper level of the plate, by hanging a thread with a weight from the
central top of the plate, then fasten securely the plate with the attachment steel nail.
3. Making a Hole on the wall and Fitting the piping Hole cover.
Make a hole of 60mm in diameter, slightly descending to outside the wall.
Install piping hole cover and seal it off with putty after installation.
4. Drawing of pipe Rear piping
Draw pipes and the drain hose, then fasten them with the adhesive tape. Left Left-rear, piping.
In case of left side piping, cut away, with a nipper, the lid for left piping.
In case of left-rear piping, bend the pipes according to the piping direction to the mark of hole for
left-rear piping which is marked on heat insulation materials.
(1) Insert the drain hose into the dent of heat insulation materials of indoor unit.
(2) Insert the indoor/outdoor electric cord from backside of indoorunit, and pull it out on the front side,
then connect them.
(3) Coat the flaring seal face with refrigerant oil and connect pipes.
Cover the connection part with heat insulation materials closely, and make sure fixing with adhesive tape.
2.Removing burr
Expansion Size
Hose dia.
6.35 mm(1/4)
9.52 mm(3/8)
cracks on expanded mouth
A=80mm
Indoor side
Wall hole
70mm
(Section of wall hole) Piping hole pipe
3.Put on nut 4.Expand Hose
Size (mm)A
0.8-1.5
1.0-1.5
Not Correct
burr incomplete
60mm
Outdoor side
Thickness
of wall
26
too long
2-5mm