Emerson Liebert CRV - Table 11 Recommended Refrigerant Line Sizes, Cu, OD, for Liebert MC and VFD Control Fin;Tube Condensers with R-410 A with and Without Liebert Lee-Temp

Refrigerant Connections for Air-Cooled Units
Liebert
®
CRV
™
36
Table 11 Recommended refrigerant line sizes, Cu, OD, for Liebert MC and VFD control fin/tube
condensers with R-410A with and without Liebert Lee-Temp
Liebert CRV
Model #
Total Equivalent
Length, ft. (m)
Hot Gas Line,
in. (mm)
Liquid Line
in. (mm)
CR019RA/
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)* 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)* 7/8 (22.2)
Consult factory for proper line sizing for runs longer than 300 ft. (91.4m) equivalent length.
* Must downsize vertical riser one trade size (1-1/8” to 7/8” or 7/8” to 3/4”).
Source: DPN001623, Rev. 7, Page 3