Installation Diagram; Drain Piping For Outdoor Unit - Mitsubishi Electric MXZ-3E54VA Installation Manual

5.
Obstacles in front, behind and on side(s)
• When installing the unit in an area that is enclosed with walls such
as a verandah, be sure to have enough space as shown below.
In this case, the air conditioning capacity and power consumption
might deteriorate.
• When there is a lack of airflow or there is a possibility of becoming
short cycle, install an outlet guide and make sure there is enough
space behind of the unit.
• When installing two or more units, do not install the units in front or
behind each other.
100 or more
Height of the obstacle is 1200 or less

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
*2 The manufacturing year and month is indicated on the spec name plate.
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
200 or more
350 or more
500 or more
500 or more
*2
More than 350 mm
Outdoor unit installation
840
169 500
Air inlet
Air outlet
6.
Service space
Provide space for service and maintenance as shown in the figure.
Service space
100 or more
350 or more
ACCESSORIES
Check the following parts before installation.
After the leak test, apply insulating
(1) Drain socket
material tightly so that there is
no gap.
(2) Drain cap
PARTS TO BE PROVIDED AT YOUR SITE
(A) Power supply cord*1
When the piping is to be attached
to a wall containing metals (tin
(B) Indoor/outdoor unit connecting wire*1
plated) or metal netting, use a
(C) Extension pipe
chemically treated wooden piece
20 mm or thicker between the wall
(D) Wall hole cover
and the piping or wrap 7 to 8 turns
(E) Piping tape
of insulation vinyl tape around
the piping.
To use existing piping, perform
(F)
COOL operation for 30 minutes
and pump down before removing
the old air conditioner. Remake
(G) Refrigeration oil
flare according to the dimension
for new refrigerant.
(H) Putty
(I) Pipe fixing band
More than 100 mm
(J) Fixing screw for (I)
More than 200 mm if there are
obstacles to both sides
(K) Wall hole sleeve
(L)
Note:
*1 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)
100 or more
500 or more
350 or more
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)
(Unit: mm)
1
2
1
1
1
1
1
1
Little
amount
1
2 to 7
2 to 7
1
1