Haier AD142AMBEA Operation And Instruction Manual - page 20
19
Installation Manual For Indoor Unit
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051222
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In installation, if there is refrigerant gas leakage, please take ventilation measures immediately.
The refrigerant gas will generate poisonous gas upon contacting fire.
After installation, please verify that there is no refrigerant leakage. The leaked refrigerant gas
will produce poisonous gas when meeting fire source such as heater and furnace etc.
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
2
M) for air conditioner
Pipe size
(mm)
Gas side
ÿ12.70
Liquid side
ÿ6.35
Supplementary refrigerant
The refrigerant supplementation shall be as specified in the installation instructions attached with
the outdoor unit.
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.
The connection of indoor unit pipes must use double spanners.
The installing torque shall be as given in the following table.
Double-spanner
operation
Connecting pipe
O.D.(mm)
ÿ6.35
ÿ12.70
ÿ15.88
Installing torque
(N-m)
11.8 (1.2kgf-m)
49.0 (5.0 kgf-m)
78.4 (8.0 kgf-m)
! Caution
Gas side
ÿ15.88
Liquid side
ÿ6.35
Type
AD142AMBEA
AD182AMAEA
AD182AMBEA
AD182AMBFA