Mitsubishi Electric American Standard NAXMMX20A122A Serie Notice D'installation page 4

1-5. INSTALLATION DIAGRAM
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)
Open as a rule
More than 19-11/16 in. (500 mm) if the
back, both sides and top are open
Outdoor unit installation
6-21/32
Air inlet
4-13/32 × 13/16
oval holes (Base bolt M8)
2. OUTDOOR UNIT INSTALLATION
2-1. INSTALLING THE UNIT
• 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 below for concrete foundation.
Make the foundation
deeper.
En-3
More than 3-15/16 in. (100 mm)
More than 7-7/8 in. (200 mm) if there are
obstacles to both sides
More than 13-25/32 in.
(350 mm)
33-1/16
19-11/16
Air inlet
Air outlet
Fix here with
M8 bolts.
Make the foundation
wider.
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.
Units should be installed by licensed contractor according to
local code requirements.
169
Air inlet
4-10 × 21
oval holes (Base bolt M8)
Unit : inch
PARTS TO BE PROVIDED AT YOUR SITE
(A) Power supply cord*
(B) Indoor/outdoor unit connecting wire*
(C) Extension pipe
(D) Wall hole cover
(E) Piping tape
Extension drain hose (or soft PVC
(F) hose, 19/32 in. (15 mm) inner
diameter or hard PVC pipe VP16)
(G) Refrigeration oil
(H) Putty
(I) Pipe fixing band
(J) Fixing screw for (I)
(K) Wall hole sleeve
Soft PVC hose, 15 mm inner
(L) diameter or hard PVC pipe VP16
for drain socket (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.
Outdoor unit installation
840
500
Air inlet
Air outlet
1
1
1
1
1
1
Little
amount
1
2 to 7
2 to 7
1
1
Unit : mm