York YHKMXH009BARX-FX Service Manual page 169

Connection cautions
model
5U34HS1ERA
3U19FS1ERA 3U24GS1ERA 4U26HS1ERA,4U30HS1ERA
connection priority
between indoor
and stop valve
higher from down
to up
when there is 1
indoor,the prior C D E
stop valve is
when there are 2
indoors,the prior D、C
C 、B E
、D
stop valves are
when there are 3
D、C 、B
indoors,the prior C 、B、A E
、D、C
stop valves are
when there are 4
D、C 、B、A
indoors,the prior E 、D、C 、B
stop valves are
when there are 5
indoors,the prior
E 、D、C 、B、A
stop valves are
Note: For better oil return and more reliable system, please execute as the above when
connecting indoor unit.
167