Refrigerant Piping - Haier AE122FCAKA Instruction Manual

Installation Procedure
Allowable pipe length and drop
These parameters differ according to the outdoor unit. See the instruction manual attached
with the outdoor unit for details.
Pipe material and size
Pipe material Phosphorus deoxidized copper seamless pipe (TP
Model
Pipe size
(mm)
Liquid side
Supplementary refrigerant
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.
Connection of refrigerant pipe
Conduct flared connection work to
connect all refrigerant pipes.
Pipe cutting and expanding
If the pipe is too long or the flare is damaged,
it needs to be cut or expanded.
Pipe expansion dimensions as follows:
Pipe diameter ÿ Size A (mm)
6.35 mm (1/4 " )
9.52 mm (3/8 " )
12.7 mm (1/2 " )
15.88 mm (5/8 " ) 1.4 ~2.2
The connection of indoor unit pipes must use double spanners.
The installing torque shall be as given in the following table.
Connecting pipe
O.D.(mm)
ÿ 6.35
ÿ 9.52
ÿ 12.70
ÿ 15.88
AE072FCAKA
AE092FCAKA
Gas side
ÿ 9.52
ÿ 6.35
0.8 ~ 1.5
1.0 ~ 1.8
1.2 ~ 2.0
Installing torque Increased installing
(N-m)
11.8 (1.2kgf-m)
13.7 (1.4 kgf-m)
24.5 (2.5kgf-m)
29.4 (3.0 kgf-m)
49.0 (5.0 kgf-m)
53.9 (5.5 kgf-m)
78.4 (8.0 kgf-m) 98.0 (10.0 kgf-m)
30
R
M) for air conditioner
2
AE122FCAKA
AE142FCAKA
ÿ 12.70
ÿ 6.35
A
1. Pipe cutting 2. Removing burrs
3.Insertion nut 4. Pipe expansion
Incorrect
Correct
Slope Damage Bur Partial Overlong
torque (N-m)
efrigerant piping
AE182FCAKA
AE212FCAKA
AE242FCAKA
ÿ 15.88
ÿ 9.52
Pipe expander
Double-spanner
operation