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VRF 50/60Hz
3 Combination Ratio
Combination ratio =
Table 1-3.1: Indoor and outdoor unit combination ratio limitations
Atom Series outdoor units
Table 1-3.2: Combinations of Indoor and outdoor units
6
Sum of capacity indexes of the indoor units
Capacity index of the outdoor unit
Type
Minimum combination ratio
Outdoor unit capacity
Capacity
connected indoor units (standard
kBtu/h
index
28
28
36
36
42
42
48
48
56
56
45%
Sum of capacity indexes of
indoor units only)
12.6 to 36.4
16.2 to 46.8
18.9 to 54.6
21.6 to 62.4
25.2 to 72.8
Maximum combination ratio
130%
Number of connected
indoor units
1-4
1-6
1-7
1-8
1-9
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