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5. Indoor Unit and Outdoor Unit Capacity Index
5.1 Outdoor Unit Selection
See the indoor unit capacity tables for given Indoor and Outdoor temperature.
Select the unit whose capacity is the nearest to or greater than given load.
Note:
Individual Indoor Unit capacity is subject to change by combination. Actual capacity has to be calculated accord-
ing to the combination by using Outdoor unit capacity table.
5.2 Outdoor Unit Selection
Allowable combinations are indicated below. In general, outdoor unit can be selected depending on the location of
the unit, zoning and usage of the rooms.
The indoor and outdoor unit combination is determined by comparing the sum of indoor unit capacity index with each
Outdoor Unit. It is recommended to be the nearest to 100% combination ratio or to be smaller than that. Refer the
table below. To manage cooling/heating load properly, it's better to be selected the bigger capacity outdoor unit rather
than the nearest, if the installation space is large enough.
Allowable Total Capacity Index Table of Combined Indoor Units
Oudoor Unit
Capacity(HP)
2.5
3
4
h Capacity Index is same as the capacity(kW).
INDOOR UNIT CAPACITY INDEX
Unit Capacity
5k
(Btu/h)
Capacity
1.6
Index
h Capacity Index is same as the capacity(kW).
CAUTION
We can guarantee the operation only within 130% Combination Ratio.
8 _
R410A(50/60Hz)
50%
60%
70%
3.6
4.3
5.0
4.6
5.5
6.4
5.5
6.6
7.7
7k
9k
12k
15k
2.2
2.8
3.6
4.5
Indoor Unit Combination Ratio
80%
90%
100%
5.8
6.5
7.2
7.4
8.3
9.2
8.8
9.9
11.0
18k
21k
24k
28k
5.6
6.2
7.1
8.2
110%
120%
130%
7.9
8.6
9.4
10.1
11.0
12.0
12.1
13.2
14.3
36k
42k
48k
54k
10.6
12.3
14.1
15.8
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