Vertiv Liebert DSE, System Design And User Manual, Page: 11 / 120

2 NOMENCLATURE AND COMPONENTS
This section describes the model-number configuration for Liebert® DSE units and components.
2.1 Liebert DSE Model-number Nomenclature
2.1 above describes each digit of the model number.
Model Number Digits 1 to 10 Model Details
Model Number Digits 11 to
14
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
D A 2 5 0 D P 3 A T 0 2 0 8 1 1 L 0 B 0 P 1 2 3 S
Table 2.1 DSE Model Number
Digit Description
Digits 1 and 2 = Product Family
DA = Liebert® DSE
Digit 3, 4, 5 = Nominal Cooling Capacity, kW
250 = 250 kW
Digit 6 = Air Discharge
D = Downflow, bottom discharge
H = Downflow, horizontal discharge
Digit 7 = System Type
P = Air-cooled, Econ-O-Phase ready
Digit 8 = Air-flow (Fan Type)
3 = Direct-drive + VFD (plenum)
Digit 9 = Voltage
A = 460 V - 3 ph - 60 Hz
B = 575 V - 3 ph - 60 Hz
G = 415 V - 3 ph - 50 Hz
*For applications that require less than 400 V/3 ph/50 Hz, please consult your local sales office for assistance.
Digit 10 = Cooling System
T = Tandem with digital scroll, R-410A
P = Tandem with digital scroll, R-410A with Power Factor Correction
Digit 11 = Humidifier
0 = No humidifier
Digit 12 = Display
2 = iCOM (High Definition)
Digit 13 = Reheat
0 = None
Table 2.2 DSE Model-number Digit Definitions
2 Nomenclature and Components 11