Haier AD18LS1ERA Service Manual page 40

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
3U19FS1ERA 4U25HS1ERA,4U30HS1ERA
C
C、B
C、B、A
D
D、C
D、C、B
D、C、B、A
-39-
5U34HS1ERA
E
E、D
E、D、C
E、D、C、B
E、D、C、B、A