Haier AB25S2SC1FA Service Manual page 102

Model
Connection priority between indoor and stop valve
higher from down to up
When there is 1 indoor, the prior stop valve is
When there are 2 indoors, the prior stop valves are
When there are 3 indoors, the prior stop valves are
When there are 4 indoors, the prior stop valves are
When there are 5 indoors, the prior stop valves are
Note: For better oil return and more reliable system, please execute as the above when connecting indoor unit.
Connection cautions
3U52S2SG1FA
3U68S2SG1FA
C
C B
C B A
100
4U70S2SH1FA
4U85S2SH1FA
D
D C
D C B
D C B A