Figure 16 pipeline air conditioner - condenser, 2 pipe diameter and thickness, Pipe diameter and thickness – Emerson Liebert CRV 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 C R 0 2 0 R A 1 C 7 S D 1 8 1 1 E L 1 0 P A User Manual
Page 29: Piping and refrigerant sizes for liebert lee-temp, Table 8, R-410a cu, od, R tables 7 , 8, Warning

Refrigerant Connections
21
Liebert
®
CRV
™
Figure 16 Pipeline air conditioner - condenser
6.2.2 Pipe Diameter and Thickness
!
WARNING
Risk of explosive discharge. Can cause equipment damage, injury or death.
Use only Type ACR copper tubing sized per Tables 7, 8, 9 and 10 for pipes connecting the
Liebert CRV and the condensing unit.
Table 7
Piping and refrigerant sizes for Liebert Lee-Temp
™
condensers with R-410A
Condenser Piping Connection Sizes
Condenser Connections, O.D., in.
Liebert Lee-Temp
Size, in. (mm)
Liebert Lee-Temp Connections, I.D., in.
Condenser Model #
Hot Gas
Liquid
Hot Gas
Tee
Liquid To
L-T Valve
Receiver
Out
DCSL28K
1-1/8
7/8
9 x 36 (229 x 914)
1-1/8
5/8
7/8
DCSL60K
1-1/8
7/8
11 x 36 (279 x 914)
1-1/8
5/8
7/8
DCSL90K
1-1/8
7/8
11 x 48 (279 x 1219)
1-1/8
5/8
7/8
Source: DPN001623, Rev. 6, Page 3
Table 8
Recommended refrigerant line sizes for Liebert Lee-Temp condensers with R-410A Cu, OD
Liebert CRV Model #
Total Equivalent
Length, ft. (m)
Hot Gas Line,
in. (mm)
Liquid Line,
in. (mm)
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. 6, Page 3
B
C
CDT
COND
A
(Distance) D = A + B + C
CDT = Conditioner
COND = Condenser