En-3
1-5. INSTALLATION DIAGRAM
Units should be installed by licensed contractor according to
local code requirements.
After the leak test, apply insulat
-
ing material tightly so that there
is no gap.
When the piping is to be attached to
a wall containing metals (tin plated)
or metal netting, use a chemically
treated wooden piece 25/32 in. (20
mm) or thicker between the wall
and the piping or wrap 7 to 8 turns
of insulation vinyl tape around
the piping.
To use existing piping, perform
COOL operation for 30 minutes
and pump down before removing
the old air conditioner. Remake flare
according to the dimension for new
refrigerant.
PARTS TO BE PROVIDED AT YOUR SITE
(A) Power supply cord*
1
(B)
Indoor/outdoor unit connecting wire*
1
(C) Extension pipe
1
(D)
Wall hole cover
1
(E) Piping tape
1
(F)
Extension drain hose (or soft PVC
hose, 19/32 in. (15 mm) inner
diameter or hard PVC pipe VP16)
1
(G)
Refrigeration oil
Little
amount
(H)
Putty
1
(I)
Pipe fixing band
2 to 7
(J) Fixing screw for (I)
2 to 7
(K) Wall hole sleeve
1
* Note:
Place indoor/outdoor unit connecting wire (B) and
power supply cord (A) at least 3 ft. (1 m) away from
the TV antenna wire.
The “Q’ty” for (B) to (K) in the above table is quantity
to be used per indoor unit.
More than
3-15/16 in.
(100 mm)
Open as a rule
More than 19-11/16
in. (500 mm) if the
front and both sides
are open
More than 3-15/16 in. (100 mm)
More than 7-7/8 in. (200 mm)
if there are obstacles to both
sides
Open as a rule
More than 19-11/16 in. (500 mm) if the
back, both sides and top are open
More than 13-25/32 in.
(350 mm)
Outdoor unit installation
Air inlet
Air outlet
2-U-shape notched holes
(Base bolt M10)
Unit : inch
2-1. INSTALLING THE UNIT
Fix here with
M10 bolts.
Make the setting
depth deeper.
Make width wider.
Anchor leg
31/32 (25) or less
Anchor bolt length
Anchor bolt pitch
(Unit: inch (mm))
• Be sure to fix the unit’s legs with bolts when installing it.
• Be sure to install the unit firmly to ensure that it does not fall by an earthquake or a gust.
• Refer to the figure in the right for concrete foundation.
• In case of NTXMPH20A122A
✱
, NTXMPH24A132A
✱
, NTXMPH30A132A
✱
, do not use the drain socket and the drain caps.
• In case of NTXMMX42A152A
✱
, do not use the drain socket and the drain caps in the cold region. Drain may freeze and it makes the fan stop.
23-5/8
(600)
14-9/16 (370)
Outdoor unit installation
37-13/32
23-5/8
6-7/8
2 - (15/32 × 1-31/32)
oval holes (Base bolt M10)
Air inlet
13
14-9/16
16-13/32
Air inlet
Air outlet
2-U-shape notched holes
(Base bolt M10)
Unit : mm
950
600
175
2 - 12 × 36
oval holes (Base bolt M10)
Air inlet
330
370
417
2. OUTDOOR UNIT INSTALLATION
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