Multi Variable Air Conditioners Two-way Cassette Indoor Unit
7
4 Installation Instructions
4.1 Installation of Indoor Unit
4.1.1Ceiling opening Dimension and suspension bolt position.
Fig. 4.1.1
Unit: mm(in.)
Model
Indoor
unit(A)
Suspension
bolt pitch(B)
Ceiling
opening(C)
Decoration
panel(D)
Outer diameter of
connection
pipe(mm(in.))
Liquid pipe
Gas pipe
GMV-ND09TS/A-T(U)
1200
(47-1/4)
1252
(49-5/16)
1403
(55-1/4)
1443
(56-13/16)
6.35
(1/4)
9.52
(3/8)
GMV-ND12TS/A-T(U)
GMV-ND15TS/A-T(U)
1200
(47-1/4)
1252
(49-5/16)
1403
(55-1/4)
1443
(56-13/16)
6.35
(1/4)
12.7
(1/2)
GMV-ND18TS/A-T(U)
GMV-ND24TS/A-T(U)
1200
(47-1/4)
1252
(49-5/16)
1403
(55-1/4)
1443
(56-13/16)
9.52
(3/8)
15.9
(5/8)
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
～
70 (2-
1/3
～
2-3/4) mm, as shown in fig. 4.1.3.
Unit: mm (in.)
Fig. 4.1.2 Fig. 4.1.3
