Procedure For Extending The Piping - Argo MONOSPLIT R32 WIFI Bedienungs- Und Wartungsanleitung

Procedure for extending the piping

N.B.:
Improper extension of piping is the main cause of refrigerant leaks. Proceed as shown below:
1. Cut the pipe
• 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
the pipe.
3. Secure an insulating tube
4. Install a union nut
• Remove the union nut on the
indoor connecting pipe and outdoor valve.
Install the union nut on the pipe.
5. Expand the port
Expand the port using a pipe expander.
N.B.:
• "A" varies according to diameter:
Outdoor diameter (mm)
6.35 (1/4")
9.52 (3/8")
12.7 (1/2")
15.88 (5/8")
6. Inspection
Check the quality of the expanded port.
expand the port again following the procedure
described above.
115
A (mm)
Max. Min.
1.3 0.7
1.6 1.0
1.8 1.0
2.4 2.2
If defective,