Haier AB092XCERA Service Manual page 69

Pipe
Insulation
Drain pipe size: ? 19.05mm
The hose is used for adjusting the off-center and angle of the rigid PVC pipe.
Directly stretch the hose to install without making any deformation.
The soft end of the hose must be fastened with a hose clamp.
Please apply the hose on horizontal part
Insulation treatment:
Wrap the hose and its clamp until to the indoor
unit without any clearance with insulating
material, as shown in the figure.
During trial run, check that there is no leakage at the pipe connection part during water draining
even in winter.
These parameters differ according to the outdoor unit. See the instruction manual attached with
the outdoor unit for details.
The refrigerant supplementation shall be as specified in the installation instructions attached with
the outdoor unit. The added refrigerant shall be R22.
The adding procedure shall be aided with a measuring meter for a specified amount of
supplemented refrigerant
Requirement
Overfilling or underfilling of refrigerant will cause compressor fault. The amount of the added
refrigerant shall be as specified in the instructions.
Pipe cutting and expanding
If the pipe is too long or the flare is damaged, it needs to be cut or expanded.
1. Pipe cutting
Pipe and insulation material
Rigid PVC pipe VP31.5mm (internal diameter)
Foamed PE with thickness above 7mm
Hose
2 (3/4") PVC pipe.
Drain confirmation
Allowable pipe length and drop
Supplementary refrigerant
2. Removing burrs
-69-
Hose
Subsidiary insulation
3.Insertion nut 4. Pipe expansion
Hose clamp
Insulation
Rigid PVC pipe