DC Inverter Floor Ceiling Type Air Conditioner Installation and Operation Manual
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11.5.2 Refrigerant Piping work
The refrigerant is R410A
£¬GWP=2020 ODP=0.
The standard pipe length is 5m. When the length (L) of the connecting pipe is less than or equals 7m, there
is no need to add refrigerant. If the connecting pipe is longer than 7m, it is required to add refrigerant. In the
below table, the amounts of refrigerant to be added for different models are listed for each additional meter of
pipe length.
Select copper pipes for gas and liquid as informed in specific table (see the pipe table below).For dust and
moisture protection, before assembly of the pipe and its insulation, both ends of the pipe must be covered.
Table.10
Item
Model
Size of Fitting
Pipe
(Inch)
Max
Pipe
Length
(m)
Max Height
Difference
between
Indoor Unit
and Outdoor
Unit(m)
Amount of
Additional
Refrigerant to
Be
Filled (For Extra
Length of Pipe)
Indoor Unit
Drainage Pipe
(Diameter
× Wall
Thickness)
(mm)
Gas
Pipe
Liquid
Pipe
3/8
1/4
20
15
30 g/m
Φ17×1.75
1/2
1/4
5/8
3/8
30
15
60 g/m
50
30
30
15
50
30
3/4
3/8
Fig.60
FSPI-091B
FSOI-091B
FSPI-121B
FSOI-121B
FSPI-181B
FSOI-181B
FSPI-241B
FSOI-241B
FSPI-301B
FSOI-301B
FSPI-361B
FSOI-361B
FSPI-451B
FSOI-451B
FSPI-501B
FSOI-501B
FSPI-361B
FSOI-361B-3F
FSPI-451B
FSOI-451B-3F
FSPI-501B
FSOI-501B-3F
FSPI-601B
FSOI-601B-3F
