R-410A; With R-410A, Cu, Od - Emerson Liebert CRV User Manual

Table 9 Piping and refrigerant sizes for Liebert air-cooled, VFD control condensers with R-410A
Condenser Piping Connection Sizes, Cu, O.D.
Condenser Model #
TCSV28K
TCSV60K
TCSV90K
Source: DPN001624, Rev. 5, Page 3
Table 10 Recommended refrigerant line sizes for Liebert air-cooled, VFD control condensers

with R-410A, Cu, OD

Liebert CRV Model #
CR020RA
CR035RA
1. Consult factory for proper line sizing for runs longer than 300 ft. (91.4m) equivalent length.
2. Must downsize vertical riser one trade size (1-1/8" to 7/8" or 7/8" to 3/4" ).
Source: DPN001624, Rev. 5, Page 3
® ™
Liebert CRV
Entering Hot Gas
Line, in. (mm)
1-1/8 (28.6)
1-1/8 (28.6)
1-1/8 (28.6)
Total Equivalent Hot Gas Line,
Length, ft. (m) in. (m)
50 (15.2) 3/4 (19.1)
100 (30.5) 3/4 (19.1)
150 (45.7) 3/4 (19.1)
300 (91.4) 7/8 (22.2)
50 (15.2) 7/8 (22.2)
100 (30.5) 7/8 (22.2)
150 (45.7) 7/8 (22.2)
300 (91.4) 1-1/8 (28.6)
22
Returning Liquid
Line, in. (mm)
7/8 (22.2)
7/8 (22.2)
7/8 (22.2)
Liquid Line,
in. (m)
5/8 (15.9)
5/8 (15.9)
5/8 (15.9)
2
3/4 (19.1)
3/4 (19.1)
3/4 (19.1)
3/4 (19.1)
2
7/8 (22.2)
Refrigerant Connections