Vertiv Liebert CRV - Refrigerant Charge Requirements for Air-Cooled Systems

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 6.6 Liebert MC Condenser piping sizes
for 600-mm (24-in.) and 300-mm (12-in.) 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. 7
Table 6.7 Single-circuit Liebert MC condenser piping connection sizes
withLiebertLee-TempforallmodelsofLiebert CRV
6.2.4 Refrigerant Charge Requirements for Air-cooled Systems
The following tables provide the refrigerant charge requirements for the Liebert CRV, connected piping
and condenser options.
MODEL
BASE
REFRIGERANT
CHARGE, LB
(KG)
BASE OIL CHARGE
MAXIMUM SYSTEM
REFRIGERANT CHARGE
BEFORE OIL ADDITION, LB
(KG)
FLUID OUNCES OF OIL TO ADD FOR EVERY
10 LB. (4.5KG) OF REFRIGERANT OVER
MAXIMUM SYSTEM CHARGE, OZ (ML)
INITIAL
OIL
CHARGE,
OZ (KG)
MAXIMUM
TOPPING
UP, OZ
(KG)
CR019RA 5 (2.7) 60 (1.68) 56 (1.57) 38 (17.1) 1.6 (48)
CR020RA 7 (3.2) 60 (1.68) 56 (1.57) 38 (17.1) 1.6 (48)
CR035RA 10 (4.5) 110 (3.08) 106 (2.97) 28 (12.6) 4 (120)
The recommended oil is EMKARATE RL 32-3MA.
Table 6.8 R410-A refrigerant charge and oil charge for air-cooled Liebert CRV
Vertiv | Liebert CRV Installer/User Guide | 40