Mitsubishi Electric Mr.Slim MXZ-2A20NA, Installation Manual

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3
Parts to be locally procured
A
Power supply cord 1
B
Indoor/outdoor unit connecting wire 1
C
Extension pipe According to “Selecting pipe size” 1
D
Wall hole cover 1
E
Piping tape 1
F
Extension drain hose (or soft vinyl chloride hose of
1
15 mm (19/32 in.) in internal dia.)
G
Refrigeration oil Little amount
H
Putty 1
I
Pipe fixing band
2 to 7
(The number depends on the pipe length.)
J
Fixing screw for
I
2 to 7
(The number depends on the pipe length.)
K
Wall hole sleeve 1
L
Soft vinyl chloride hose of 25 mm (31/32 in.) in
1
internal dia. or hard vinyl chloride pipe VP25
• The “Q’ty” for
B
to
K
in the above table is the quantity to be used per indoor unit.
WARNING:
Be sure to use specified accessories and supplied parts for installation work. If there is some defi-
ciency in parts, it may cause a risk of fire, electric shock, injury by a unit fall or water leakage.
3. SELECTING THE INSTALLATION LOCATION
• Where it is not exposed to strong wind.
• Where airflow is good and dustless.
• Where it is not exposed to rain and direct sunshine.
• Where neighbours are not annoyed by operation sound or hot air.
• Where rigid wall or support is available to prevent the increase of operation sound or vibration.
• Where there is no risk of combustible gas leakage.
• When installing the unit at a high level, be sure to fix the unit legs.
• Where it is at least 3 m (9.84 ft.) away from the antenna of TV set or radio. Operation of the air conditioner
may interfere with radio or TV reception in areas where reception is weak. An amplifier may be required for
the affected device.
• Install the unit horizontally.
• Please install it in an area not affected by snowfall or blowing snow. In areas with heavy snow, please install
a canopy, a pedestal and/or some baffle boards.
Note:
It is advisable to make a piping loop near outdoor unit so as to reduce vibration transmitted from there.
WARNING:
Be sure to install the unit in a place that well sustains its weight.
Installing in a place with less strength may result in a unit falling, causing a risk of injury.
CAUTION:
Avoid the following places for installation where air conditioner trouble is liable to occur.
•••••
Where flammable gas could leak.
•••••
Where there is much machine oil.
•••••
Salty places such as the seaside.
•••••
Where sulfide gas is generated such as
a hot spring.
•••••
Where there is high-frequency or wire-
less equipment.
Note:
When operating the air conditioner in low outside temperature, be sure to follow the instructions de-
scribed below.
•••••
Never install the outdoor unit in a place where its air inlet/outlet side may be exposed directly to
wind.
•••••
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.
Constraints On Indoor Unit Installation
You should note that indoor unit that can be connected to this outdoor unit have the following constraints on
them.
• Indoor units with model numbers 09, 12 and 15 can be connected. Refer to the table below for possible
indoor unit combinations.
Air in
Air out
Air in
4-10
×
21 Oval holes
[Unit: mm (inch)]
Combination (Models)
2 UNIT 09+09 09+12 09+15 12+12
166
(6.53)
396(15.59)
361(14.21)
38
(1.50)
31
(1.22)
500(19.69)
835(32.87)
330(13.0)