Aisin AXGP224E1, Technical Manual

Page: 43 / 126

43
2.8.3
Reducer selection for combined installation
Item Mark Name Specification Remark 16 HP 20 HP 25 HP
Vapor line
A
Reducer
D.E. 28,6 – D.I. 31,8
Provided with the
outdoor unit
- -
■
B
D.I. 31,8 – D.E. 28,6 - -
■
Copper
pipe
ø
28,6
Locally procured
■ ■
-
ø
31,8
- -
■
Liquid line
C
Reducer D.I 15,7 – D.E.12,7
Provided with the
outdoor unit
■ ■ ■
Copper
pipe
ø
15,9
Localy procured
■ ■ ■
Connection
kit
Branches
couple
-
Optional
■ ■ ■
[Note:
■
means this part is used for the above-mentionedoutdoor unit.]
<Precautions for combined installation>
•
Arrange the refrigerant piping for both liquid and vapor between the outdoor units so that the piping is
level or has upward gradient to prevent the refrigerant oil from accumulating in the piping.