Haier AC142ACNAC Service Manual page 22

B. UNDER CEILING TYPE
Using the installation template, drill holes for piping and anchor bolts(for
holes).(Fig.12)
Fig. 12
900mm
Installation
template
200mm
Drilling position
for piping
For series 14,18
1. DRILLING FOR PIPING
Select piping and drain directions. For series 24,28,36,42 only rear side(Fig.13)
Fig. 13
Install the drain hose at the rear; it should not be installed
on the top or right side.
When the directions are selected, drill 80mm and 50mm or 150mm
dia. hole on the wall so that the hole is tilted downward toward the
outdoor for smooth water flow.
Wall
2. DRILLING HOLES FOR ANCHOR BOLTS AND
INSTALLING THE ANCHOR BOLTS
With a concrete drill, drill four 12.7 mm dia. Holes.(Fig.15)
Fig. 15
12.7mm
Insert the anchor bolts into the drilled holes, and drive the pins
completely into the anchor bolts with a hammer. (Fig. 16)
Fig. 16
40
Drilling position
for anchor bolt
Ceilling
Wall
series A
24,28 1320
36,42 1920
Rear (Install the drain hose
in the direction.)
Right
CAUTION
6mm
INSTALLATION INSTRUCTIONS
3. INSTALLING BRACKETS
Install the brackets with nuts, washers and spring
washers.(Fig. 17)
A
B
40
Fig. 17
87.5mm
Spring washer
100mm
B
1240
1840
68
16 21 28
26.5
232
4. INSTALLING INDOOR UNIT
Reset the hex bolts as shown in Fig.18.
Fig. 18
Apply the indoor unit to the brackets.(Fig.19)
Fig. 19
Now, securely tighten the hex bolts in both sides.
Special nut
Bracket (Left)
Bracket (Right)
For series 14,18
381
26.5
2-R2.5
2-R2.5
26.5
381
For series 24,28,36,42
Hex bolt
8 to 13mm
Indoor unit
Bracket
Bolt
Indoor unit
Bracket
232
26.5
28 16 68
21