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5.3 Refrigerant pipe connection
5.3.1
Pipe length and the elevation
The correct refrigerant quantity filled in the 5-meter-long pipe of the outdoor unit is marked
on the Product Data Plate. If you have to use longer pipe for every meter plus pipe, the
refrigerant should be added according to the following calculation.
Capacity
Btu/h
Pipe size
Standard
length
(m)
Max.
Elevation
B (m)
Max.
Length
A (m)
Additional
refrigerant
(g/m)
Gas
Liquid
MFS2i-24
ARN1
5/8
’’
(Ф16.0)
3/8
’’
(Ф9.52)
5
10
20
40
MFS2i-48
ARN1
3/4’’
(Ф19)
1/2’’
(Ф12.7)
5
15
30
60
Caution:
Capacity is base on standard length and maximum allowance length is base of reliability.
Oil trap should be installed per 5-7 meters.
5.3.2
Piping connection
5.3.2.1 Connecting Of Refrigerant Pipe
