Mitsubishi Electric MXZ-2C20NAHZ2 Manual De Instalación página 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-2C MXZ-3C MXZ-5C
– A UNIT A UNIT
A, UNIT - C UNIT - E UNIT
1-4. SELECTING THE INSTALLATION LOCATION
Where it is not exposed to strong wind. If the outdoor unit is exposed to a
wind during defrosting, the defrosting time will be longer.
Where air ow is good and dustless.
Where rain or direct sunshine can be a oided as much as possible.
Where neighbours are not annoyed by operation sound or hot (or cool) air.
Where rigid wall or support is a ailable to pre ent the increase of operation
sound or ibration.
Where there is no ris of combustible gas lea age.
When installing the unit, be sure to secure the unit legs.
Where it is at least 10 ft. (3 m) away from the antenna of T set or radio. Op-
eration of the air conditioner may interfere with radio or T reception in areas
where reception is wea . An ampli er may be required for the affected de ice.
Install the unit horizontally.
Please install it in an area not affected by snowfall or blowing snow. In areas
with hea y snow, please install a canopy, a pedestal and/or some baf e
boards.
Note:
It is ad isable to ma e a piping loop near outdoor unit so as to reduce ibration
transmitted from there.
FREE SPACE REQUIRED AROUND OUTDOOR UNIT
1.
Obstacles above
When there is no obstacle in front and
on the sides of the unit, it is allowed
to install the unit where an obstacle is
abo e the unit only if the space shown
in the gure is pro ided.
3.
Obstacles in front (blowing) only
When there is an obstacle in front of the unit as shown in the gure, open
space abo e, 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 with walls such as a
erandah, be sure to ha e enough space as shown below.
In this case, the air conditioning capacity and power consumption might
deteriorate.
When installing two 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
eight of the obstacle is 47-1/4 (1200) or less
Optional different-diameter joints (port size of outdoor unit
Liquid / as
1/4 (6.35) / 1/2 (12.7)
1/4 (6.35) / 3/8 (9.52)
Refer to the installation manual of indoor unit for the diameter of connection pipe of indoor unit.
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
1/4 (6.35) 3/8 (9.52) : PAC-493PI
3/8 (9.52) 1/2 (12.7) : MAC-A454JP-E
3/8 (9.52) 5/8 (15.88) : PAC-S 76RJ-E
1/2 (12.7) 3/8 (9.52) : MAC-A455JP-E
1/2 (12.7) 5/8 (15.88) : MAC-A456JP-E
Note:
When operating the air conditioner in low outside temperature, be sure to
follow the instructions described below.
Ne er install the outdoor unit in a place where its air inlet/outlet side may
be exposed directly to wind.
To pre ent exposure to wind, install the outdoor unit with its air inlet side
facing the wall.
To pre ent exposure to wind, it is recommended to install a baf e board on
the air outlet side of the outdoor unit.
A oid the following places for installation where air conditioner trouble is
liable to occur.
Where ammable gas could lea .
Where there is much machine oil.
Salty places such as the seaside.
Where sul de gas is generated such as hot spring, sewage, waste water.
Where there is high-frequency or wireless equipment.
Where there is emission of high le els of OCs, including phthalate com-
pounds, formaldehyde, etc., which may cause chemical crac ing.
2.
Front (blowing) side open
As long as space indicated in the
gure is pro ided, it is allowed to
install the unit where obstacles are
behind and on the sides of the unit.
(No obstacle abo e the unit)
3-15/16 (100) or more
4.
Obstacles in front and behind
The unit can be used by attaching an optional outdoor blowing guide
(PAC-S 96S -E) (but both sides and top are open).
lowing guide (PAC-S 96S -E)
6.
Service space
Pro ide space for ser ice and maintenance as shown in the gure.
Ser ice space
3-15/16 (100) or more
13-25/32 (350) or more
(Unit: inch (mm))
diameter of connection pipe)
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))
En-2