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Refrigerant Connections
Liebert
®
CRV
™
22
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 #
Entering Hot Gas
Line, in. (mm)
Returning Liquid
Line, in. (mm)
TCSV28K 1-1/8 (28.6) 7/8 (22.2)
TCSV60K 1-1/8 (28.6) 7/8 (22.2)
TCSV90K 1-1/8 (28.6) 7/8 (22.2)
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 #
Total Equivalent
Length, ft. (m)
Hot Gas Line,
in. (m)
Liquid Line,
in. (m)
CR020RA
50 (15.2) 3/4 (19.1) 5/8 (15.9)
100 (30.5) 3/4 (19.1) 5/8 (15.9)
150 (45.7) 3/4 (19.1) 5/8 (15.9)
300 (91.4) 7/8 (22.2)
2
3/4 (19.1)
CR035RA
50 (15.2) 7/8 (22.2) 3/4 (19.1)
100 (30.5) 7/8 (22.2) 3/4 (19.1)
150 (45.7) 7/8 (22.2) 3/4 (19.1)
300 (91.4) 1-1/8 (28.6)
2
7/8 (22.2)
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
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