Installation Location - Mitsubishi Electric MXZ-8C48NA Manuel D'installation

3. Installation location

Fig. 3-1
Fig. 3-2
Fig. 3-4
4
3.1. Refrigerant pipe
Refer to 5.2. Pipe length and height difference.
3.2. Choosing the outdoor unit installation location
3.4.
(inch)
You should note that indoor units that can be connected to this outdoor unit have
the following constraints.
nected.
must not exceed 130% of the outdoor unit capacity (refer to the capacity range of
connected units in Table 1).
In addition, up to 2 branch boxes can be connected.
Outdoor unit model name
MXZ-4C36
MXZ-5C42
MXZ-8C48
*1 The number enclosed in parentheses is the maximum number of units that can
*2 For each connected branch box, when 2 MVZ-series units are connected, other
Table 2: Rated capacity (cooling) of the indoor units
Rated capacity (Cooling) (kBTU/h)
Example: MXZ-8C48
Combinations in which the total capacity of indoor units exceeds the capacity of the
outdoor unit will reduce the cooling capacity of each indoor unit below their rated
cooling capacity. Thus, combine indoor units with an outdoor unit within the outdoor
unit's capacity, if possible.
Note:
Fig. 3-3
The dimensions given along the arrows above are required to guarantee the
air conditioner's performance. Install the unit in as wide a place as possible
for later service or repairs.
3.5.1. Windy location installation
When installing the outdoor unit on a rooftop or other location unprotected from the
wind, situate the air outlet of the unit so that it is not directly exposed to strong winds.
may result.
The following shows 3 examples of precautions against strong winds.
1 Face the air outlet towards the nearest available wall about 50 cm (19-11/16")
B
2 Install an optional air guide if the unit is installed in a location where strong winds
3 Position the unit so that the air outlet blows perpendicularly to the seasonal wind
neighbors.
indoor unit.
late.
snow fall is anticipated, special precautions such as raising the installation location
or installing a hood on the air intake must be taken to prevent the snow from
a malfunction may result.
be connected
2 – 4 (3) units *1 *2
2 – 5 (4) units *1 *2
2 – 8 (6) units *1 *2
be connected when 1 or more PLA-A·EA7 units is connected.
above, including connections with MVZ-series units, consult a dealer.
MSZ-18 = 18
+
SEZ-12 = 12
+
Total rated capacity
SLZ-12 = 12
+
SLZ-09 = 9
+
SLZ-09 = 9
away from the wall. (Fig. 3-2)
from a typhoon, etc. may directly enter the air outlet. (Fig. 3-3)
A Air guide
direction, if possible. (Fig. 3-4)
B Wind direction
Capacity range of
connected units
12 – 46 kBTU/h
12 – 54 kBTU/h
12 – 62 kBTU/h
06 09 12 15 18 24 30
6 9 12 15 18 24 30
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36
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