Technical data

Chilled Water Systems—Capacities and Dimensions
22 Liebert
®
Mini-Mate2
™
8.0 CHILLED WATER SYSTEMS—CAPACITIES AND DIMENSIONS
Table 11 Chilled water data, 60 & 50Hz
CW Model
MMD92C/MMD91C
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 20.1 (68,700)
Sensible 18.7 (63,900)
Flow Rate - GPM (l/m) 14.6 (55.3)
Pressure Drop - ft. water (kPa) 18.7 (55.9)
75°F DB, 61°F WB (23.9°C DB, 16.1°C WB) 45% RH
Total 16.3(55,600)
Sensible 15.1 (51,500)
Flow Rate, GPM (l/m) 12.0 (45.5)
Pressure Drop, ft. water (kPa) 12.9 (38.6)
72°F DB, 60°F WB (22.2°C DB, 15.5°C WB) 50% RH
Total 13.8 (47,200)
Sensible 12.8 (43,700)
Flow Rate, GPM (l/m) 10.3 (39.0)
Pressure Drop, ft. water (kPa) 9.7 (29.0)
Fan Data - Evaporator
CFM (CMH) 2500 (4248)
Fan Motor, hp (W) 1.5 (1119)
External Static Pressure, in (mm) water gauge 0.5 (13)
CW Coil - Copper Tube/Aluminum Fin
Face Area, ft
2
(m
2
) 5.6 (0.52)
Coil Rows 4
Max Face Velocity, fpm (m/s) 444 (2.26)
Electric Reheat Capacity (Includes Fan Motor), kW (Btuh)
Input Voltage-208/230/460/575-3-60 11.5 (39,100)
Input Voltage-380-3-50 10.5 (35,800)
Input Voltage-400-3-50 11.5 (39,100)
Hot Water Reheat Coil - Copper Tube/Aluminum Fin
Capacity (with fan motor heat) using 180°F (82°C) EWT, kW (Btuh) 19.6 (66,800)
Flow Rate, GPM (l/m) 1.5 (5.7)
Pressure Drop, ft. water (kPa) 1.5 (4.5)
Face Area, ft
2
(m
2
) 5.6 (0.52)
Coil Rows 1
HWRH supply and return connections, in (mm) OD 5/8 (15.8)
Humidifier Data - Steam Generator Type
Steam capacity, lb/hr (kg/hr) 8 (3.6)
Electrical Input Power, kW 2.8
Connections, Volume, Filters, Weight
CW supply and return connections, in (mm) OD 1-1/8 (28.6)
Humidifier Supply 1/4" OD Copper Compression Fitting
Evaporator/Condensate Drain 3/4" NPT-Female
Unit Internal Fluid Volume, gal (l) 2.3 (8.7)
MERV 8 Filter - Nominal Size, qty 2; in. (mm) 4x20x20 (102x508x208)
Unit Operating Weight 498 (226)
Unit Valve Types
On/Off Slow Close Modulating
Valve Size 1" 1"
Valve Cv 7 11.6
Maximum Static Operating Pressure, psi (kPa) 300 (2068) 400 (2758)
Close-Off Pressure, psi (kPa) 60 (414) 72 (496)
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%.