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12.2 Indoor Unit
12.2.1
How to Fix Installation Plate
The mounting wall shall be strong and solid enough to prevent it from vibration.
NZ25***,
NZ35***
NZ50***
The center of installation plate should be at more than 1 at right and left of the wall.
The distance from installation plate edge to ceiling should more than 2.
From installation plate center to unit's left side is 3.
From installation plate center to unit's right side is 4.
B : For left side piping, piping connection for liquid should be about 5 from this line.
○
: For left side piping, piping connection for gas should be about 6 from this line.
1
Mount the installation plate on the wall with 5 screws or more (at least 5 screws).
(If mounting the unit on the concrete wall, consider using anchor bolts.)
Always mount the installation plate horizontally by aligning the marking-off line with the thread and using
o
a level gauge.
2
Drill the piping plate hole with ø70 mm hole-core drill.
Line according to the left and right side of the installation plate. The meeting point of the extended line is
o
the center of the hole. Another method is by putting measuring tape at position as shown in the diagram
above. The hole center is obtained by measuring the distance namely 150 mm for left and right hole
respectively (NZ25***, NZ35***) or 210 mm for left hole and 150 mm for right hole (NZ50***).
Drill the piping hole at either the right or the left and the hole should be slightly slanting to the outdoor
o
side.
More than
1
Wall
2 screw
3
3
150 mm
5
TO HOLE
CENTER
PIPE HOLE
CENTER
6
6
Model
1
500 mm
Wall
1
More than
Indoor unit
2 screw
3
6
5
210 mm
TO HOLE
TO HOLE
CENTER
CENTER
PIPE HOLE
PIPE HOLE
CENTER
CENTER
Model
1
587 mm
Ceiling
More than
More than
Indoor unit
2
4
150 mm
150 mm
TO HOLE
Installation
CENTER
PIPE HOLE
plate 1
CENTER
For best strength of INDOOR
unit installation, it is highly
recommended to locate
" " at 5 position as shown.
Dimension
2
3
70 mm ( * )
420 mm
Ceiling
More than
More than
2
4
150 mm
210 mm
150 mm
TO HOLE
CENTER
Installation
PIPE HOLE
CENTER
plate 1
For best strength of
INDOOR unit installation,
it is highly recommended
to locate " " at 5 position
as shown.
Dimension
2
3
70 mm ( * )
537 mm
38
1
Wall
247 mm
150 mm
4
5
6
450 mm
117 mm
65 mm
Wall
1
247 mm
150 mm
4
5
6
503 mm
4 mm
48 mm
Dimension 2
(*) :-
If holder at the rear of chassis
(Refer column "12.2.3 Indoor
Unit Installation") need to be
used to prop up the unit, this
distance shall be 85 mm or
more.
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