Midea ATOM B Series - Part 2 Component Layout and Refrigerant Circuits

Atom B Series VRF 50/60Hz
6
Midea
Atom
B Series
Service Manual
3 Combination Ratio
Table 1-3.1: Indoor and outdoor unit combination ratio limitations
Type
Minimum combination ratio
Maximum combination ratio
Atom Series outdoor units
45%
130%
Table 1-3.2: Combinations of Indoor and outdoor units
Outdoor unit capacity
Sum of capacity indexes of
connected indoor units (standard
indoor units only)
Number of connected
indoor units
kBtu/h
Capacity
index
28
28
12.6 to 36.4
1-4
36
36
16.2 to 46.8
1-6
42
42
18.9 to 54.6
1-7
48
48
21.6 to 62.4
1-8
56
56
25.2 to 72.8
1-9
60
60
27.0 to 78.0
1-9
Combination ratio =
Sum of capacity indexes of the indoor units
Capacity index of the outdoor unit