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CAUTION
I Install an earth leakage breaker depending on the installation place.
If an earth leakage breaker is not installed, it could cause electric shock.
I Perform the drainage/piping work securely according to the instal-
lation manual.
If there is defect in the drainage/piping work, water could drop from the
unit, soaking and damaging household goods.
I Do not touch the air inlet or the aluminum fins of the outdoor unit.
This could cause injury.
1-2. SPECIFICATIONS
Model
en
MXZ-2F33VF3
220-230-
MXZ-2F42VF3
MXZ-2F53VF(H)3
Model
MXZ-2F33VF3
MXZ-2F42VF3
MXZ-2F53VF(H)3
1-3. SELECTING OPTIONAL DIFFERENT-DIAMETER JOINTS
If the diameter of connection pipe does not match the port size of outdoor unit, use optional different-diameter joints according to the following table.
Port size of outdoor unit
MXZ-2F
A , B UNIT
1-4. SELECTING THE INSTALLATION LOCATION
• Where it is not exposed to strong wind.
• Where airflow is good and dustless.
• Where rain or direct sunshine can be avoided as much as possible.
• Where neighbours are not annoyed by operation sound or hot air.
• Where rigid wall or support is available to prevent the increase of opera-
tion sound or vibration.
• Where there is no risk of combustible gas leakage.
• When installing the unit, be sure to secure the unit legs.
• Where it is at least 3 m away from the antenna of TV set or radio. Opera-
tion 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.
2
(Could lead to serious injury in particular environments when operated incorrectly.)
Power supply *1
Wire specifications *2
Rated
Fre-
Breaker
Power
Voltage
quency
capacity
supply
3-core
1.0 mm
50 Hz
15 A
240 V
3-core
2.0 mm
Maximum amount
Factory-charged
of refrigerant
refrigerant amount
charge
0.8 kg
0.8 kg
1.0 kg
1.0 kg
Liquid / Gas
Refer to the installation manual of indoor unit for the diameter of connection pipe of indoor unit.
6.35 (1/4) / 9.52 (3/8)
I Do not install the outdoor unit where small animals may live.
If small animals enter and touch the electric parts inside the unit, it could
cause a malfunction, smoke emission, or fire. Also, advise user to keep
the area around the unit clean.
I Do not operate the air conditioner during interior construction and
finishing work, or while waxing the floor.
Before operating the air conditioner, ventilate the room well after such work
is performed. Otherwise, it may cause volatile elements to adhere inside
the air conditioner, resulting in water leakage or scattering of dew.
Pipe length and height difference *3, *4, *5,
Max. pipe
Indoor/outdoor
length per in-
connecting wire
door unit / for
multi-system
15 m / 20 m
2
4-core
1.0/1.5 mm
2
20 m / 30 m
2
*1 Connect to the power switch which has a gap of 3 mm or more when open to interrupt the
source power phase. (When the power switch is shut off, it must interrupt all phases.)
*2 Use wires in conformity with design 60245 IEC 57. Use the indoor/outdoor connecting wire in
conformity with the wire specifications specified in the installation manual of the indoor unit.
*3 Never use pipes with thickness less than specified. The pressure resistance will be insufficient.
*4 Use a copper pipe or a copper-alloy seamless pipe.
*5 Be careful not to crush or bend the pipe during pipe bending.
*6 Refrigerant pipe bending radius must be 100 mm or more.
*7 Insulation material : Heat resisting foam plastic 0.045 specific gravity
*8 Be sure to use the insulation of specified thickness. Excessive thickness may cause incorrect
installation of the indoor unit and insufficient thickness may cause dew drippage.
*9 If the outdoor unit is installed higher than the indoor unit, max. height difference is reduced
to 10 m.
Optional different-diameter joints (port size of outdoor unit → diameter of connection pipe)
9.52 (3/8) → 12.7 (1/2) : MAC-A454JP-E
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
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.
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.
• Where oil is splashed or where the area is filled with oily smoke (such
as cooking areas and factories, in which the properties of plastic could
be changed and damaged).
• Salty places such as the seaside.
• Where sulfide gas is generated such as a hot spring.
• Where there is high-frequency or wireless equipment.
• Where there is emission of high levels of VOCs, including phthalate
compounds, formaldehyde, etc., which may cause chemical cracking.
• The appliance shall be stored so as to prevent mechanical damage
from occurring.
Outdoor Noise level
*6, *7, *8
Max. no. of
Max. height
bends per in-
Cooling
difference *9
door unit / for
multi-system
10 m
15 / 20
49 dB (A) 50 dB (A)
44 dB (A) 50 dB (A)
15 m
20 / 30
46 dB (A) 51 dB (A)
Heating
(Unit: mm (inch))
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