Mitsubishi Electric PUMY-P48NKMU1-BS Manual De Instalación página 4

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4
Refer to Fig. 4-1.
(inch)
You should note that indoor units that can be connected to this outdoor unit have
the following constraints.
Indoor units with model in table 2 can be connected.
For the number of units that can be connected, refer to Table 1 below.
The total rated capacity (cooling) of the connected indoors units (refer to Table 2)
must not exceed 130% of the outdoor unit capacity (refer to the capacity range of
connected units in Table 1).
Table 1: umber of units that can be connected and capacity range of connected units
P MY-P36
P MY-P48
Table 2: Rated capacity (cooling) of the indoor units
Indoor unit type
Rated capacity
(Cooling)(Btu/h)
Example: P MY-P48
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:
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.
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.
Strong wind entering the air outlet may impede the normal air ow and a malfunction
may result.
The following shows three examples of precautions against strong winds.
1 Face the air outlet towards the nearest available wall about 50 cm (19-11/16")
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
B
Avoid locations exposed to direct sunlight or other sources of heat.
Select a location from which noise emitted by the unit will not inconvenience
neighbors.
Select a location permitting easy wiring and pipe access to the power source and
indoor unit.
Avoid locations where combustible gases may leak, be produced, ow, or accumu-
late.
ote that water may drain from the unit during operation.
Select a level location that can bear the weight and vibration of the unit.
Avoid locations where the unit can be covered by snow. In areas where heavy
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
blocking the air intake or blowing directly against it. This can reduce the air ow and
a malfunction may result.
Avoid locations exposed to oil, steam, or sulfuric gas.
se the transportation handles of the outdoor unit to transport the unit. If the unit is
carried from the bottom, hands or ngers may be pinched.
Outdoor unit
The capacity of
model name
outdoor unit
M 1
36kBtu/h
M 1
48kBtu/h
P06
P08
P12
P15
6,000 8,000 12,000 15,000 18,000 24,000 30,000 36,000 48,000 54,000
M 1
PEFY-24 = 24
+
Total rated capacity
PLFY-18 = 18
60
62.4 kBtu/h
+
PLFY-18 = 18
away from the wall. (Fig. 2-2)
from a typhoon, etc. may directly enter the air outlet. (Fig. 2-3)
A Air guide
direction, if possible. (Fig. 2-4)
B Wind direction
umber of units that
Capacity range of
can be connected
connected units
1 - 7 units
18 - 46.8 kBtu/h
1 - 10 units
24 - 62.4 kBtu/h
P18
P24
P30
P36
P48
P54

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