1-3. SELECTING OPTIONAL DIFFERENT-DIAMETER JOINTS
I f the diameter of connection pipe does not match the port size of outdoor unit, use optional different-diameter joints according to the follow ing table.
Port size of outdoor unit
MXZ-2C20NA2
Liquid / Gas
A, B UNIT
1/4 (6.35) / 3/8 (9.52)
1-4. SELECTING THE INSTALLATION LOCATION
• Where it is not exposed to strong
w ind during defrosting, the defrosting time w ill be longer.
• Where airflo 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 (or cool) air.
• Where rigid all 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, be sure to secure the unit legs.
• Where it is at least 10 ft. (3 m) a ay from the antenna of TV set or radio. Op-
eration of the air conditioner may interfere ith radio or TV reception in areas
here reception is eak. An amplifier may be required for the affected device.
• Install the unit horizontally.
• Please install it in an area not affected by sno fall or blo ing sno . In areas
ith heavy sno , 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.
FREE SPACE REQUIRED AROUND OUTDOOR UNIT
1.
Obstacles above
W hen there is no obstacle in front and
on the sides of the unit, it is allow ed
to install the unit w here an obstacle is
above the unit only if the space sho n
in the figure is provided.
3.
Obstacles in front (blow ing) only
When there is an obstacle in front of the unit as sho n in the figure, open
space above, behind, and on the sides of the unit is required.
5.
Obstacles in front, behind and on side(s)
• When installing the unit in an area that is enclosed ith alls such as a
verandah, be sure to have enough space as sho n belo .
I n this case, the air conditioning capacity and pow er consumption might
deteriorate.
• When installing t o or more units, do not install the units in front or behind
each other.
7-7/8 (200) or more
3-15/16 (100)
or more
19-11/16 (500)
or more
Height of the obstacle is 47-1/4 (1200) or less
All manuals and user guides at all-guides.com
Optional different-diameter joints (port size of outdoor unit → diameter of connection pipe)
Refer to the installation manual of indoor unit for the diameter of connection pipe of indoor unit.
ind. If the outdoor unit is exposed to a
3-15/16 (100)
or more
19-11/16 (500)
or more
19-11/16 (500) or more
13-25/32 (350)
or more
19-11/16 (500)
or more
3/8 (9.52) → 1/2 (12.7) : MAC-A454JP-E
Note:
W hen operating the air conditioner in low
follow the instructions described below .
• Never install the outdoor unit in a place here its air inlet/outlet side may
be exposed directly to w ind.
• To prevent exposure to ind, install the outdoor unit ith its air inlet side
facing the w all.
• To prevent exposure to ind, it is recommended to install a baffle board on
the air outlet side of the outdoor unit.
Avoid the follo ing places for installation
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 hot spring, se age, aste ater.
• Where there is high-frequency or ireless equipment.
• Where there is emission of high levels of VOCs, including phthalate com-
pounds, formaldehyde, etc., hich may cause chemical cracking.
2.
Front (blow ing) side open
As long as space indicated in the
figure is provided, it is allo ed to
install the unit w here obstacles are
behind and on the sides of the unit.
(No obstacle above the unit)
3-15/16 (100) or more
4.
Obstacles in front and behind
The unit can be used by attaching an optional outdoor blow ing guide
(MAC-856SG) (but both sides and top are open).
Blo ing guide (MAC-856SG)
6.
Service space
Provide space for service and maintenance as sho n in the figure.
Service space
3-15/16 (100) or more
13-25/32 (350) or more
(Unit: inch (mm))
outside temperature, be sure to
here air conditioner trouble is
7-7/8 (200) or more
13-25/32 (350)
or more
3-15/16 (100) or more
19-11/16 (500) or more
3-15/16 (100) or more
19-11/16 (500)
or more
13-25/32 (350) or more
(Unit: inch (mm))
E n-2