Technical data

Chilled Water Systems
21 Liebert
®
DataMate
™
8.0 CHILLED WATER SYSTEMS
Table 14 Chilled water data, 50/60Hz
CW Model, 60 Hz
DME044C
208/230-1-60 200/220-1-50
Net Capacity Data - kW (Btuh) based on 45°F (7.2°C) EWT & 10°F (5.6°C) temperature rise
80°F DB, 62.8°F WB (26.7°C DB, 17.1°C WB) 38
%RH
Total 10.5 (35,800) 9.05 (30,900)
Sensible 9.65 (33,000) 8.25 (28,200)
Flow Rate, GPM (l/m) 7.3 (27.7) 6.3 (23.9)
Pressure Drop, ft. water (kPa) 12.5 (37.4) 9.7 (29.0)
75°F DB, 61°F WB (23.9°C DB, 16.1°C WB) 45 %RH
Total 8.75 (29,800) 7.55 (25,800)
Sensible 7.95 (27,100) 6.85 (23,300)
Flow Rate, GPM (l/m) 6.1 (23.1) 5.3 (20.1)
Pressure Drop, ft. water (kPa) 9.1 (27.2) 7.0 (20.9)
72°F DB, 60°F WB (22.2°C DB, 15.5°C WB) 50 %RH
Total 7.65 (26,100) 6.6 (22,600)
Sensible 6.90 (23,500) 5.9 (20,200)
Flow Rate, GPM (l/m) 5.3 (20.1) 4.6 (17.4)
Pressure Drop, ft. water (kPa) 7.2 (21.5) 5.6 (16.7)
Fan Data - Evaporator
CFM (CMH) - High Speed 1320 (2243) 1100 (1869)
CFM (CMH) - Low Speed 1175 (1996
) 980 (1665)
Fan Motor, hp (W) 0.27 (200)** 0.27 (200)
CW Coil - Copper Tube/Aluminum Fin
Face Area, ft
2
(m
2
) 3.92 (0.36)
Coil Rows 3
Max Face Velocity-fpm (m/s) 336 (1.7) 281 (1.4)
Electric Reheat Capacity (Includes Fan Motor), kW (Btuh)
Input Voltage 230-1-60/50 5.5 (18,765)
Humidifier Data - Steam Generator Type
Steam capacity, lb/hr (kg/hr) 3 (1.4)
Electrical Input Power, kW 1
Unit Connection Sizes
CW supply and return connections, in (mm) OD 7/8 (22.2)
Humidifier Supply 1/4" OD Copper Compression Fitting
Humidifier Drain, Barb Fitting 1/2"
Evaporator/Condensate Drain, Barb Fitting 3/4"
Unit Internal Fluid Volume, gal (l) 1.0 (3.8)
Filter Washable Polypropylene/Aluminum, MERV4
Unit Operating Weight, lb. (kg.) 365 (165)
Unit Valve Types On/Off Slow Close, 2-Way
Valve Size 3/4"
Valve Cv 7
Max. Water Static Operating Pressure, psi (kPa) 300 (2068)
Close-Off Pressure, psi (kPa) 60 (414)
The net capacity data has fan motor heat factored in for all ratings and the entering air conditions of 75°F (23.9 °C), 45%RH, is the
standard rating condition for ASHRAE 127-2007. All capacities are nominal values; actual performance will be ± 5%.
** DME044C has two motors - 0.11 & 0.16 HP