
Free match split type air conditioner / Installation Manual
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6.4 When select a 24K indoor unit
The 24K indoor unit can only be connected with an A system. If there are two 24K indoor units, they
can be connected with A and B systems. (See Fig. 6.10)
Table 6.3: Connective pipe size of an A and B
system (unit: inch)
Indoor unit capacity
(Btu/h)
Liquid
Gas
7K/9K/12K
1/4
3/8
12K/18K
1/4
1/2
7K/9K/12K
3/8
5/8
Fig. 6.10
6
Outdoor unit installation