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MULTI V Water IV
5. Indoor Unit and Outside Unit Capacity Index
5.1 Outside Unit Selection
See the indoor unit capacity tables for given Indoor and outside(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 according
to the combination by using outside unit capacity table.
5.2 Outside Unit Selection
Allowable combinations are indicated below. In general, outside unit can be selected depending on the location of
the unit, zoning and usage of the rooms.
The indoor and outside unit combination is determined by comparing the sum of indoor unit capacity index with
each Outside 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 outside unit
rather than the nearest, if the installation space is large enough.
Allowable Total Capacity Index Table of Combined Indoor Units
Outside Unit
Capacity(HP)
50%
8
11.2
10
14.0
14
19.6
20
28.0
16
22.4
18
25.2
22
30.8
24
33.6
28
39.2
30
42.0
34
47.6
40
56.0
42
58.8
44
61.6
48
67.2
50
70.0
54
75.6
60
84.0
62
86.8
64
89.6
68
95.2
70
98.0
74
103.6
80
112.0
* Capacity Index is same as the capacity(kW).
Indoor unit capacity index
Unit Capacity
5k
(Btu/h)
Capacity
1.6
Index
* Capacity Index is same as the capacity(kW).
6
Heat Pump
60%
70%
80%
13.4
15.7
17.9
16.8
19.6
22.4
23.5
27.4
31.4
33.6
39.2
44.8
26.9
31.4
35.8
30.2
35.3
40.3
37.0
43.1
49.3
40.3
47.0
53.8
47.0
54.9
62.7
50.4
58.8
67.2
57.1
66.6
76.2
67.2
78.4
89.6
70.6
82.3
94.1
73.9
86.2
98.6
80.6
94.1
107.5
84.0
98.0
112.0
90.7
105.8
121.0
100.8
117.6
134.4
104.2
121.5
138.9
107.5
125.4
143.4
114.2
133.3
152.3
117.6
137.2
156.8
124.3
145.0
165.8
134.4
156.8
179.2
7k
9k
12k
15k
2.2
2.8
3.6
4.5
Indoor Unit Combination Ratio
90%
100%
110%
20.2
22.4
24.6
25.2
28.0
30.8
35.3
39.2
43.1
50.4
56.0
61.6
40.3
44.8
49.3
45.4
50.4
55.4
55.4
61.6
67.8
60.5
67.2
73.9
70.6
78.4
86.2
75.6
84.0
92.4
85.7
95.2
104.7
100.8
112.0
123.2
105.8
117.6
129.4
110.9
123.2
135.5
121.0
134.4
147.8
126.0
140.0
154.0
136.1
151.2
166.3
151.2
168.0
184.8
156.2
173.6
191.0
161.3
179.2
197.1
171.4
190.4
209.4
176.4
196.0
215.6
186.5
207.2
227.9
201.6
224.0
246.4
18k
21k
24k
28k
5.6
6.2
7.1
8.2
General information
120%
130%
160%
26.9
29.1
35.8
33.6
36.4
44.8
47.0
51.0
62.7
67.2
72.8
89.6
53.8
58.2
71.7
60.5
65.5
80.6
73.9
80.1
98.6
80.6
87.4
107.5
94.1
101.9
125.4
100.8
109.2
134.4
114.2
123.8
152.3
134.4
145.6
179.2
141.1
152.9
-
147.8
160.2
-
161.3
174.7
-
168.0
182.0
-
181.4
196.6
-
201.6
218.4
-
208.3
225.7
-
215.0
233.0
-
228.5
247.5
-
235.2
254.8
-
248.6
269.4
-
268.8
291.2
-
36k
42k
48k
54k
10.6
12.3
14.1
15.8
200%
44.8
56.0
78.4
112.0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
76k
96k
22.4
28.0
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