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

NOTE: Install a 1-3/8-in. liquid line between the condenser and the Liebert EconoPhase™ unit,
regardless of line sizes indicated in Table 5.4 on the previous page. See the piping schematics for
your system in Submittal Drawings on page93. For installations using pre-fabricated heat-rejection
skids, included piping must be factored into total equivalent length calculation. Please consult factory
for details.
5.2.3 Refrigerant Charge Requirements for Air-cooled Systems
The following tables provide the refrigerant charge requirements for the Liebert® DSE, connected piping,
and condenser options.
System Type Model Outer Circuit, lb(kg) Inner Circuit, lb(kg)
Air-cooled
DA050 11 (5) NA
DA080 16 (7.3) 14 (6.4)
DA085 18 (8.2) 16 (7.3)
DA125 28 (12.7) 25 (11.3)
DA150 28 (12.7) 25 (11.3)
DA165 28 (12.7) 25 (11.3)
*System Charge = indoor unit + condenser + refrigerant receiver + refrigerant lines.
For system charges over 200 lb. (90.7kg), consult your Vertiv representative.
See Table 10.3 on page70 for the recommended oil for the system.
Source:DPN003950 Rev. 3
Table 5.5 Indoor Unit Approximate Refrigerant Charge for R-410A Per Circuit
Standard Condenser Model
Per circuit withSmallReceiver,
lb(kg)
Per circuit with LargeReceiver,
lb(kg)
MCM080E1 17.0 (7.7) —
MCL110E1 19.5 (8.8) —
MCL110E2 14.0 (6.4) —
MCM160E2 17.0 (7.7) 24.0 (10.9)
MCL220E2 21.0 (9.5) 28.0 (12.7)
MCL165E1 — 34.0 (15.4)
MCL220E1 — 42.5 (19.3)
Condenser charge includes receivers.
Small Receiver: 28-in. long, used on DA050, DA080 and DA085.
Large Receiver: 60-in. long, used on DA125, DA150 and DA165.
Table 5.6 Condenser Refrigerant Charge for R-410A Per Circuit Including PRE Including Receiver
5 Piping and Refrigerant Requirements 37