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Installation Manual For Indoor Unit
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
*
***
051222
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.
Connecting pipe
O.D.(mm)
Pipe material Phosphorus deoxidized copper seamless
Type
AD142AMBEA
Pipe size
AD182AMAEA
AD182AMBEA
AD182AMBFA
Installing torque
(N-m)
11.8 (1.2kgf-m)
ÿ6.35
49.0 (5.0 kgf-m)
ÿ12.70
78.4 (8.0 kgf-m)
ÿ15.88
! Caution
pipe (TP
M ) for air conditioner
2
Gas side
Liquid side
(mm)
Gas side
Liquid side
19
ÿ12.70
ÿ6.35
ÿ15.88
ÿ6.35
Double-spanner
operation
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