77
V 09/22
Attention:
For maintenance or scrap, please contact authorized service centers.
Maintenance by unqualified person may cause dangers.
APPENDICES
Piping configuration
Connecting pipe diameter Additional refrigerant
Liquid pipe (mm) Gas pipe (mm) (g/m)
6.35 9.52
20
Procedure for extending the piping
N.B.:
Improper extension of piping is the main cause of refrigerant leaks. Proceed as shown below:
• Check the length of the pipe based on the
distance between the indoor unit and outdoor
unit.
• Cut the required pipe using a pipe cutter.
2. Remove burrs
• Remove burrs with a file,
ensuring they do not go into
Expand the port using a pipe expander.
N.B.:
varies according to diameter:
Outdoor diameter (mm)
A (mm)
Max. Min.
6.35 (1/4") 1.3 0.7
9.52 (3/8") 1.6 1.0