innovair ICS0736C21 Service Manual page 58

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.
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For vertical refrigerant pipe, the distance between supporters should not be exceed 1.5m.
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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
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bellmouthing, and too small torque may cause leakage. Refer the following table for different pipe
connection.
Pipe Diameter
(kgf.cm)
3/8" (9.52) 333~407
5/8" (15.9) 630~770
54
Torque
(N.cm)
3270~3990
6180~7540
Sketch map
Installation