HMF R22 Series 15 Version - 1
6.3 Pipe length and the elevation
The pipe length and refrigerant amount:
Model
Pipe size
Standard
length
(m)
Max.
Elevation
B (m)
Max.
Length
A (m)
Additional
refrigerant
(g/m)
Gas
Liquid
AWSI-HMF009-H61+AWAU-YMF009-H61
3/8
’’
(
Ф9.52)
1/4’’
(Ф6.35)
5
5
10
30
AWSI-HMF012-H61+AWAU-YMF012-H61
1/2
’’
(Ф12.7)
1/4’’
(Ф6.35)
5
5
10
30
AWSI-HMF018-H61+AWAU-YMF018-H61
1/2
’’
(Ф12.7)
1/4’’
(Ф6.35)
5
8
15
30
AWSI-HMF024-H61+AWAU-YMF024-H61
5/8
’’
(Ф15.9)
3/8
’’
(Ф9.52)
5
10
20
60
Caution:
The capacity test is based on the standard length and the maximum permissive length is basedon the
system reliability.
Oil trap:
When the outdoor unit is installed above the indoor unit an oil trap is required every 3m along the
suction line at the lowest point. In case the indoor unit is installed above the outdoor, no trap is
required.
