Installation Diagram; Drain Piping For Outdoor Unit; Outdoor Unit Installation; Installing The Unit - Mitsubishi Electric MXZ -2C20 NA2 Installation Manual

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

6-1/2
Air inlet
Air inlet
2-3/8 × 13/16
oval holes (Base bolt M8)

1-6. DRAIN PIPING FOR OUTDOOR UNIT

Please perform the drain piping ork only hen draining from one place.
1) Choose one hole to discharge drain and install the drain socket (1) to the hole.
2) Close the rest of the holes w ith the drain caps (2).
3) Connect the soft PVC hose (L) of 15 mm in the inside diameter on the market ith the drain socket (1) and lead drain.
Note:
I nstall the unit horizontally.
Do not use the drain socket (1) and the drain caps (2) in the cold regions. Drain may freeze and it makes the fan stop.
The outdoor unit produces condensate during the heating operation. Select the installation place to ensure to prevent the outdoor unit and/or the grounds from being
w et by drain w ater or damaged by frozen drain w ater.
2. OUTDOOR UNIT INSTALLATION

2-1. INSTALLING THE UNIT

• Be sure to fix the unit's legs ith bolts hen 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 belo for concrete foundation.
Make the foundation
deeper.
E n-3
After the leak test, apply insulat-
ing material tightly so that there
is no gap.
W hen the piping is to be attached to
a w all containing metals (tin plated)
or metal netting, use a chemically
treated w ooden piece 25/32 in. (20
mm) or thicker bet een the
and the piping or w rap 7 to 8 turns
of insulation vinyl tape around
the piping.
To use existing piping, perform
COOL operation for 30 minutes
and pump do n before removing
the old air conditioner. Remake flare
according to the dimension for new
refrigerant.
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)
2-U-shape notched holes
37-7/8
(Base bolt M8)
17-11/16
Air outlet
Unit : inch
Fix here w ith
M8 bolts.
Make the foundation
w ider.
PARTS TO BE PROVIDED AT YOUR SITE
(A) Pow er supply cord*
(B) I ndoor/outdoor unit connecting w ire*
(C) E xtension pipe
(D) Wall hole cover
(E ) Piping tape
Extension drain hose (or soft PVC
all
(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
pow er supply cord (A) at least 3 ft. (1 m) aw ay from
the TV antenna ire.
The "Q'ty" for (B) to (K) in the above table is quantity
to be used per indoor unit.
Units should be installed by licensed contractor according to
local code requirements.
Outdoor unit installation
840
169 500
Air inlet
Air inlet
Air outlet
4-10 × 21
oval holes (Base bolt M8)
1
1
1
1
1
1
Little
amount
1
2 to 7
2 to 7
1
1
ire (B) and
2-U-shape notched holes
(Base bolt M8)
Unit : mm