SiE33-102 Appendix
General Information 99
Between outdoor unit and first branch kit (C)
Between branches kit (D)
Applicable Model
Pipe Size (out. dia. × min. wall thickness)
Liquid Pipe Gas Pipe (main)
RXY16KA φ15.9 × t1.0 φ34.9 × t1.3
RXY18~20KA φ19.1 × t1.0 φ34.9 × t1.3
RXY24KA φ19.1 × t1.0 φ41.3 × t1.7
RXY26~30KA φ22.2 × t1.2 φ41.3 × t1.7
Total Capacity Index of Indoor
Unit after Branch
Pipe Size (out. dia.
× min. wall thickness)
Liquid Pipe Gas Pipe
Below 100 φ9.5 × t0.8 φ15.9 × t1.0
100 to below 160 φ9.5 × t0.8 φ19.1 × t1.0
160 to below 330 φ12.7 × t0.8 φ25.4 × t1.2
330 to below 480 φ15.9 × t1.0 φ34.9 × t1.3
480 to below 640 φ19.1 × t1.0 φ34.9 × t1.3
640 and over φ19.1 × t1.0 φ41.3 × t1.7
Si33-102.book Page 99 Tuesday, June 26, 2001 3:18 PM
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