Haier U Series Service Manual page 88

1.Installation of Outdoor Unit
Drawing for the installation of indoor and outdoor units
Install according to
2.Connection of pipes
To bend a pipe, give the roundness as large as possible not to crush the pipe .
Connecting the pipe of gas side first makes working easier.
The max vertical distance between the indoor unit and the outdoor unit is 5 m.
Half union
Spanner
Torque wrench
Be careful that matters, such as wastes of sands, etc. shall not enter the pipe.
3.Connection
Use the same method on indoor unit. Loosen the screws on terminal block and insert the plugs fully into
terminal block, then tighten the screws.
Insert the cable according to terminal number in the same manner as the indoor unit.
If wiring is not correct, proper operation can not be carried out and controller may be damaged.
Fix the cable with a clamp.
4.Attaching Drain-Elbow
If the drain-elbow is used, please attach it as
figure. (Note: Only for heat pump unit.)
HSU-09,12H03/U(DBPZXF)
Outdoor unit
Flare nut
Forced fastening without careful centering
may damage the threads and cause a
leakage of gas.
Pipe Diameter (
Liquid side 6.35mm(1/4")
Gas side 9.52mm(3/8")
Gas side 12.7mm(1/2")
85
Installations
Fastening torque
)
18N.m
40N.m
55N.m
Domestic Air Condition