Emerson Liebert CRV - Heat Rejection Connection Sizes; Table 12 Liebert MC Condenser Piping Sizes for 600 Mm (24 In.) and 300 Mm (12 In.) Units; Table 14 Piping and Refrigerant Sizes for Liebert Lee-Temp

Refrigerant Connections for Air-Cooled Units
37 Liebert
®
CRV
™
6.5.1 Heat Rejection Connection Sizes
!
WARNING
Risk of explosive discharge of high-pressure refrigerant. Can cause equipment damage, injury
or death.
This unit contains high pressure refrigerant gas. Relieve pressure before making piping
connections.
Use only Type ACR copper tubing sized per Tables 11 through 15 for pipes connecting the
Liebert CRV and the condensing unit.
Table 12 Liebert MC Condenser piping sizes for 600mm (24in.) and 300mm (12in.) units
Model No.
Number
of Fans
Connection Sizes, OD, in (mm)
Hot Gas Line Liquid Line
MCS028 1 7/8 5/8
MCM040 1 7/8 5/8
MCM080 2 1-1/8 7/8
MCL055 1 1-1/8 7/8
MCL 110 2 1-3/8 1-1/8
Table 13 Condenser piping connection sizes—single-circuit condensers with Liebert Lee-Temp
for 600mm (24in.) and 300mm (12in.) units
Model #
Condenser
Connections, OD.In Liebert Lee-Temp Connections
Hot Gas Liquid
Hot Gas Tee
IDS In.
Liquid Line
to Lee-Temp Valve
ODS, In.
Receiver Out
IDS In.
MCS028 7/8 5/8 7/8 5/8 5/8
MCM040 7/8 5/8 7/8 5/8 5/8
MCM080 1-1/8 7/8 1-1/8 7/8 1-1/8
MCL055 1-1/8 7/8 1-1/8 7/8 7/8
MCL110 1-3/8 1-1/8 1-3/8 1-1/8 1-1/8
Source: DPN002167, Rev. 3
Table 14 Piping and refrigerant sizes for Liebert Lee-Temp
™
fin/tube condensers with R-410A
Liebert CRV 600mm (24in.) 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. 7, Page 3
Table 15 Piping and refrigerant sizes for Liebert air-cooled, VFD control condensers with R-410A
Liebert CRV 600mm (24in.) 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