Outdoor Unit Installation; Installation Diagram; Drain Piping For Outdoor Unit - Mitsubishi Electric MXZ-3C54VA Installation Manual

1-5. INSTALLATION DIAGRAM

Open as a rule
More than 500 mm
if the front and both
sides are open
More than
100 mm
Open as a rule
More than 500 mm if the back,
both sides and top are open
Air inlet
4-10 × 21 Oval holes

1-6. DRAIN PIPING FOR OUTDOOR UNIT

Please perform the drain piping work only when 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 with the drain caps (2).
3) Connect the soft PVC hose (L) of 15 mm in the inside diameter on the market with the drain socket (1) and lead drain.
Note:
Install 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 wet by drain water or damaged by frozen drain water.
En-3
More than 350 mm

Outdoor unit installation

835
166 500
Air inlet
Air outlet
ACCESSORIES
After the leak test, apply insulating
Check the following parts before installation.
material tightly so that there is
no gap. (1) Drain socket
(2) Drain cap
PARTS TO BE PROVIDED AT YOUR SITE
When the piping is to be attached
to a wall containing metals (tin
(A) Power supply cord*
plated) or metal netting, use a
(B) Indoor/outdoor unit connecting wire*
chemically treated wooden piece
20 mm or thicker between the wall
(C) Extension pipe
and the piping or wrap 7 to 8 turns
(D) Wall hole cover
of insulation vinyl tape around
the piping.
(E) Piping tape
To use existing piping, perform
COOL operation for 30 minutes
(F)
and pump down before removing
the old air conditioner. Remake
flare according to the dimension
for new refrigerant. (G) Refrigeration oil
(H) Putty
More than 100 mm
(I) Pipe fixing band
More than 200 mm if there are
obstacles to both sides
(J) Fixing screw for (I)
(K) Wall hole sleeve
(L)
* Note:
Place indoor/outdoor unit connecting wire (B) and
power supply cord (A) at least 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.
Units should be installed by licensed contractor
according to local code requirements.
(Unit: mm)
Extension drain hose
(or soft PVC hose, 15 mm inner
diameter or hard PVC pipe VP16)
Soft PVC hose, 15 mm inner
diameter or hard PVC pipe VP16
for drain socket (1)
1
2
1
1
1
1
1
1
Little
amount
1
2 to 7
2 to 7
1
1