98
Installation and Maintenance
Service Manual
F:Inspection
● Check the quality of expanding port. If there is any blemish, expand the
port again according to the steps above.
The length is equal
Improper expanding
leaning
damaged
surface
crack
uneven
thickness
Smooth surface
Downwards
Pipe
Shaper
Union pipe
Pipe
Expander
Hard
mold
Pipe
Pipe
Pipe cutter
Leaning
Uneven
Burr
Improper pipe expanding is the main cause of refrigerant leakage.Please
expand the pipe according to the following steps:
A:Cut the pip
● Confirm the pipe length according to the distance of indoor unit and outdoor unit.
● Cut the required pipe with pipe cutter.
B:Remove the burrs
● Remove the burrs with shaper and prevent the burrs from getting into the pipe.
C:Put on suitable insulating pipe
D:Put on the union nut
● Remove the union nut on the indoor connection pipe and outdoor valve; install
the union nut on the pipe.
E:Expand the port
● Expand the port with expander.
● "A" is different according to the diameter, please refer to the sheet below:
Outer
diameter(inch)
A(inch)
Max
Min
Ф0.24 - 0.25 (1/4")
0.05
0.03
Ф0.37 (3/8")
0.06
0.04
Ф0.47 - 0.50 (1/2")
0.07
0.04
Ф0.63 - 0.625 (5/8")
0.09
0.09
Appendix 3: Pipe Expanding Method
Note:
Note:
Summary of Contents for brisa BRS09HPJ1IA
Page 4: ...1 1 Summary Part Technical Information Indoor Unit B2 BRS09 24HPJ1IA...
Page 5: ...2 Technical Information BRS09HPJ1OA BRS12HPJ1OA BRS18HPJ1OA BRS24HPJ1OA Outdoor Unit...
Page 29: ...26 6 1 Remote Controller Introduction of...
Page 30: ...27 Technical Information...
Page 31: ...28...
Page 32: ...29 Technical Information...
Page 89: ...86 Installation and Maintenance...
Page 94: ...91 Installation and Maintenance BRS18HPJ1OA BRS24HPJ1OA Note Take heat pump for example...
Page 95: ...92 Installation and Maintenance...
Page 96: ...93 Installation and Maintenance...
Page 97: ...94 Installation and Maintenance...
Page 98: ...95 Installation and Maintenance...