Piping Size; Connection Of Pipes - Haier AS24GS2ERA 1U24GS1ERA Installation Manual

1U07BS1ERA 1U09BS1ERA
1U12BS1ERA
1U18FS1ERA
1U24GS1ERA
To bend a pipe, give the roundness as large as possible not to crush the pipe ,
and the bending radius should be 30 to 40 mm or longer.
Connecting the pipe of gas side first makes working easier.
The connection pipe is specialized for R410A.
Half union
Spanner
CAUTION
The standard pipe length is C m. If it is over D m, the function of the unit will be affected. If the pipe has
to be lengthened, the refrigerant should be charged, according to E g/m. But the charge of refrigerant
must be conducted by profes sional air conditioner engineer. Before adding additional refrigerant,
perform air purging from the refrigerant pipes and indoor unit using a vacuum pump,then
additional refrigerant.
Indoor unit
B
A
Outdoor unit
Outdoor unit
Oil trap
B
Indoor unit
A
Forced fastening without careful centering may
Flare nut
damage the threads and cause a leakage of gas.
Liquid side6.35mm(1/4")
Liquid/Gas side9.52mm(3/8")
Gas side 12.7mm(1/2")
Torque wrench Gas side 15.88mm(5/8")
Outdoor unit
B
Indoor unit
A
●
Max.Elevation: Amax
●
In case the elevation A is more
than 5m, oil trap shoud be
installed every 5~7
●
Max. Length: Bmax
●
In case the pipe length B is
more thanDm, the refrigerant
should be charged, according
to E g/m.
Pipe Diameter(ǿ) Fastening torque
18N.m
42 N.m
55N.m
60 N.m
charge