Outdoor Unit Troubleshooting - Haier 1U09BE5ERA Manuel D'installation

1.
1U09BN2ERA
1U09BE5ERA
1U12BE5ERA
1U12BN2ERA
1U18EN2ERA
1U18EE5ERA
1U24GE5ERA
2. Connection of pipes
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
Be careful that matters, such as wastes of sand s,water , etc. shall not enter the pipe.
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
9.52x0.8mm
15.88x1.0mm
Forced fastening without careful centering may
Flare nut
damage the threads and cause a leakage of gas.
Pipe Diameter(ǿ)
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.
Fastening torque
18N.m
42 N.m
55N.m
60 N.m
1U09BE5ERA
1U12BE5ERA
1U18EE5ERA
1U24GE5ERA
charge
45