Haier 3U19FS1ERA Manuel D'installation page 8

Installation drawings of indoor and outdoor units
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
C
C B
C B A
6
4U25HS1ERA
4U30HS1ERA
D
D C
D C B
D C B A
5U34HS1ERA
E
E D
E D C
E D C B
E D C B A