Piping Length And Drop Between The Units - Haier SYJS-0308 Service Manual

8.3 Piping length and drop between the units

i
l
4
Haier
AP18
l l
2 3
AS09
d
AU42- AU48-
Expansion valve
l
6
H<=30m
d
l
l
h<=10 m
1
5
AS09
d
AS09
AS09
h<=10 m
Haier
AS09 H<=30m
l
1
l
2
l
3
AS09
1) Total length=l1+l2+l3+l4+l5+l6+2*d<=100m
2) Max. piping length of single system=(l1+l2+l3)or( l4)<=50m
3) d<=15m
4) Max. drop between outdoor unit and indoor unit: H<=30m
5) Max. drop between the two units in the same system: h<=10m
6) Max. connect capacity of one system=27300BTU/h (5HP)
7) Only wall mounted types are connected with expansion valves.
The expansion valves of different indoor models are different.