Pioneer LISAS-B-1403 Service Manual page 95

5.2.10 Set the wall conduit
5.2.11 Set the supporter for the pipe.
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
(kgf.cm)
1/4" (6.35) 144~176
3/8" (9.52) 333~407
1/2" (12.7) 504~616
5/8" (15.9) 630~770
3/4" (19) 990~1210
Installation
Torque
(N.cm)
1420~1720
3270~3990
4950~6030
6180~7540
9270~11860
Refrigerant pipe installation
Sketch map
93