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2. Installation location
en
3
(inch)
Fig. 2-1
2.1. Refrigerant pipe
Refer to Fig. 4-1.
2.2. Choosing the outdoor unit installation location
• 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, flow, or accumu-
late.
• Note 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 airflow and
a malfunction may result.
• Avoid locations exposed to oil, steam, or sulfuric gas.
• Use the transportation handles of the outdoor unit to transport the unit. If the unit is
carried from the bottom, hands or fingers may be pinched.
2.3. Outline dimensions (Outdoor unit) (Fig. 2-1)
2.4. Constraints on indoor unit installation
You should note that indoor units that can be connected to this outdoor unit are the
following constraints.
• Indoor units with model numbers 04-72 can be connected.
• When using Branch box, Indoor units with model numbers 06-36 can be connected.
• Refer to the table 1 below for possible room, indoor unit combinations.
Verification
The rated capacity should be determined by observing the table below. The unit's
quantities are limited as shown in the following table 2. For the next step, make
sure that the total rated capacity selected will stay in a range of 50% – 130% of the
outdoor unit capacity.
• MXZ-SM36 18 – 46 kBtu/h
• MXZ-SM42 21 – 54 kBtu/h
• MXZ-SM48 24 – 62 kBtu/h
• MXZ-SM60 30 – 78 kBtu/h
Table 1-1: City Multi indoor units (P·FY series)
Indoor unit type P04 P05 P06 P08 P12 P15 P18 P24 P30 P36 P48 P54 P72
Rated capacity
(Cooling)
4
5
6
8
(kBtu/h)
Table 1-2: M series, P series, S series
Model No.
Rated capacity (Cooling) (kBtu/h)
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.
Table 2: Connectable indoor units quantities
• City Multi indoor units
SM36
1-11
SM42
1-12
SM48
1-12
SM60
1-12
• Branch Box system (M, S, P series indoor units via Branch box)
SM36
2*
– 4 (3) units *
*
1
2
SM42
2*
– 5 (4) units *
*
1
2
SM48
2*
– 8 (6) units *
*
1
2
SM60
2*
– 8 (6) units *
*
1
2
*1 Only one unit connection is possible with SVZ-series unit.
*2 The number enclosed in parentheses is the maximum number of units that can be
connected when 1 or more PLA-A·EA7 units is connected.
*3 When connecting a SVZ-series unit(s), set additional constraints as follows.
For connections other than those specified below, consult your dealer.
Number of connecting
SVZ-series unit
Any indoor units other than SVZ-series units are not
2
connectable.
• The total rated capacity (cooling) should be 100% or
1
below including the SVZ-series unit (only SM60).
• Only 1 SEZ or 1 PEAD can be included in the connection.
*4 A branch box can connect to maximum 3 of the SEZ/PEAD-series units.
*5 A branch box can connect to maximum 2 of the SEZ/PEAD-series units.
When connecting with 1 and over 1 of the SEZ/PEAD-series units, the total
rated capacity (cooling) including of the SEZ/PEAD is 100% and below 100%
For connections other than those specified in 1 and 2, including connections with
SVZ-series units, consult a dealer.
12
15
18
24
30
36
48
06
09
12
15
18
24
6
9
12
15
18
24
*
3
4
*
3
4
*
3
4
*
3
5
Constraints
(For each connected branch box)
54
72
30
36
30
36
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