Multi Variable Air Conditioners Two-way Cassette Type Indoor Unit
9
Unit: mm
Model
Suspension bolt pitch(B) Ceiling opening(C) Decoration panel(D)
GMV-ND28~80TS/B-T 790 834 990 1100
IMPORTANT:
The drilling work must be carried out by qualified personnel.
4.1.2 Suspend the Indoor Unit
(1) Drill bolt holes and install bolts.
1) Stick the paper pattern on the installation position; drill 4 holes according to the hole site on
the cardboard as shown in Fig.4.1.2; diameter of drilling hole is according to the diameter of
expansion bolt and the depth is 60-70mm, as shown in Fig.4.1.3.
Unit: mm
Fig.4.1.2 Fig.4.1.3
2) Insert the M10 expansion bolt into the hole and then knock the nail into the bolt, as shown in
Fig.4.1.4.
NOTE:
The length of bolt depends on the installation height of the unit, bolts are field supplied.
Fig.4.1.4
(2) Install the indoor unit temporarily.
Assemble suspension bolt on the expansion bolt, attach the hanger bracket to the suspension
bolt. Be sure to fix it securely by using a nut and washer from upper and lower sides of the
hanger bracket. The washer fixing plate will prevent the washer from falling.
(3) The usage of paper pattern.
Refer to paper pattern of installation for ceiling opening dimension. The center of ceiling opening
is indicated on the paper pattern. Fix the paper pattern to the unit with 4 screws and fix the
corners of the waterspout at the drainage pipe by screws.
(4) Adjust the unit to the right position.
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