Mitsubishi Electric MXZ-2B30VA Manuel D'installation page 3

1-4. SELECTING PIPE SIZE AND OPTIONAL DIFFERENT-DIAMETER JOINTS
units according to the following table.
• If the diameter of connection pipes does not match the diameter of pipe end connections, use optional different-diameter joints.
Outdoor unit
Union size
Room
A, B
1-5. SELECTING THE INSTALLATION LOCATION
• Where it is not exposed to strong wind.
• Where rain or direct sunshine can be avoided as much as possible.
• Where rigid wall or support is available to prevent the increase of op-
eration sound or vibration.
• Where there is no risk of combustible gas leakage.
• When installing the unit at a high level, be sure to secure the unit legs.
fected device.
Note:
It is advisable to make a piping loop near outdoor unit so as to reduce
vibration transmitted from there.
1-6. 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
Indoor unit
15/20/22/25/35/42
- / -
-
-
no gap.
When the piping is to be at-
tached to a wall containing metals
piece 20 mm or thicker between
the wall and the piping or wrap 7
around the piping.
To use existing piping, perform
COOL operation for 30 minutes
and pump down before removing
the old air conditioner. Remake
for new refrigerant.
More than 100 mm More than
200 mm if there are obstacles to
both sides
More than 350 mm
Note:
When operating the air conditioner in low outside temperature, be sure
to follow the instructions described below.
• Never install the outdoor unit in a place where its air inlet/outlet side
• To prevent exposure to wind, install the outdoor unit with its air inlet
side facing the wall.
• To prevent exposure to wind, it is recommended to install a baffle
board on the air outlet side of the outdoor unit.
Avoid the following places for installation where air conditioner trouble
is liable to occur.
• Where there is much machine oil.
ACCESSORIES
Check the following parts before installation.
Drain socket
PARTS TO BE PROVIDED AT YOUR SITE
-
Wall hole cover
Piping tape
Extension drain hose
(or soft PVC hose, 15 mm inner
Refrigeration oil
Wall hole sleeve
Soft PVC hose, 15 mm inner dia. or
hard PVC pipe VP16.
* Note:
TV antenna wire.
Outdoor unit installation
150 500
Air inlet
Air inlet
Air outlet
4-10 × 21 Oval holes
1
1
1
1
1
1
1
Little
amount
1
2 to 7
2 to 7
1
1
-
3