Haier AC35S2SG1FA Mode D'emploi page 27

Installation Procedure
2. Location of ceiling supension bolts
Suspension bolt pitch
INDOOR UNIT (TOP VIEW)
For half-concealed installation
Supension-bolt pitch should be as shown below
Ceiling Opening: L mm
Ceiling Opening
Ceiling panel
3. Drilling the holes and attaching the suspension bolts
(1) Drill Ø25mm holes at the suspension-bolt locations.
The two special nuts are provided with the unit. The M10 nut must be
obtained locally.
(2) Install the bolts, then temporarily attach Special nuts A and B and a
normal M10 nut to each bolt.
Bolt strength: 980 to 1470 N (100 TO 150 kgf)
If using anchor bolts
(1) Drill holes for anchor bolts at the locations at which you will set the suspension bolts. Note that anchor bolts must be obtained
locally.
(2) Install the anchor bolts, then temporarily attach special nut "B" (included) and a locally-procured M10 nut to each of the bolts.
Anchor-bolt strength: 980 to 1470 N(100 TO 150 kgf)
M10 Nut (Obtaied
locally)
Dimensions (Space Required
for installation)
L
mm
Suspension bolt should extend
outward 30 to 50mm.
Ceiling panel
10 to 15 mm
Suspension bolt should extend
outward 30 to 50mm.
Ceiling panel
Special nut B(included)
M10 Nut (Obtaied locally)
25
MODEL L
AC35S2SG1FA
880
AC50S2SG1FA
AC71S2SG1FA
AC90S2SH1FA 1204
AC105S2SH1FA
AC125S2SK1FA
1530
AC140S2SK1FA
Special nut A
(included)
Special nut B
(included)
M10 nut (Obtained
locally)