Refrigerant Line Connections - Williamson-Thermoflo 9SRA-HE Installation & Service Manual

REFRIGERATION LINE CONNECTIONS
When connecting the refrigerant tubing
- Keep all tubing runs as short as possible.
- Use the flare method for connecting tubing.
- Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them, then tighten
the nut with a torque wrench for a leak-free connection.
- Check carefully for leaks before starting the test run.
Models
Refrigeration Tubing
Connection method
Refrigerant tube outer diameter
Limit of tubing length
Limit of elevation difference between the two units
Installation & service manual _9
Compressor
3-Way valve
2-Way valve
Capillary tube
9SRA-HE
Flare
in. Liquid 1/4
in. Suction 1/2
ft. 49
ft. 20
12SRA-HE 15SRA-HE
Flare Flare
1/4 1/4
1/2 1/2
49 49
20 20
18SRA-HE 24SRA-HE
Flare Flare
1/4 3/8
5/8 5/8
49 49
20 20