innovair ICS0629C21, Service Manual

Page: 58 / 103

Refrigerant pipe installation
5.2.12 Locate the pipe and fix it by supporter

For horizontal refrigerant pipe, the distance between supporters should not be exceed 1m.

For vertical refrigerant pipe, the distance between supporters should not be exceed 1.5m.
5.2.13 Connect the pipe to indoor unit and outdoor unit by using two spanners.

Be sure to use two spanners and proper torque to fasten the nut, too large torque will damage the
bellmouthing, and too small torque may cause leakage. Refer the following table for different pipe
connection.
Pipe Diameter
Torque Sketch map
(kgf.cm) (N.cm)
3/8" (9.52) 333~407 3270~3990
5/8" (15.9) 630~770 6180~7540
54 Installation