Technical data

Water/Glycol-Cooled Systems—Capacities and Dimensions
Liebert
®
Mini-Mate2
™
17
7.0 WATER/GLYCOL-COOLED SYSTEMS—CAPACITIES AND DIMENSIONS
Table 7 Water/glycol data, 60Hz
Evaporator Model
MMD60E or MMD60K
Condensing Unit Fluid
Water-Cooled Glycol-Cooled
Net Capacity Data DX Evaporator, kW (Btuh)
80°F DB, 62.8°F WB
(26.7°C DB, 17.1°C WB) 38% RH
Total 21.5 (73,500) 18.2 (62,200)
Sensible 19.6 (67,000) 17.9 (61,200)
75°F DB, 61°F WB
(23.9°C DB, 16.1°C WB) 45% RH
Total 20.8 (70,800) 17.4 (59,500)
Sensible 17.5 (59,600) 15.9 (54,300)
72°F DB, 60°F WB
(22.2°C DB, 15.5°C WB) 50% RH
Total 20.3 (69,200) 17.0 (58,000)
Sensible 16.1 (55,000) 14.6 (49,800)
Fan Data - Evaporator
CFM (CMH) 2500 (4248)
Fan Motor, hp (W) 1.5 (1119)
External Static Pressure, in (mm) water gauge 0.5 (13)
Evaporator 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)
Unit Refrigerant Charge, oz. (kg) 4 (0.11)
Unit Operating Weight 498 (226)
Electric Reheat Capacity (Includes Fan Motor), kW (Btuh)
All Voltages 11.5 (39,100)
SCR Reheat Capacity (Includes Fan Motor), kW (Btuh)
All Voltages, except 575-3-60 16.5 (56,200)
Humidifier Data - Steam Generator Type
Steam capacity, lbs/hr (kg/hr) 8 (3.6)
Electrical Input Power, kW 2.8
Evaporator Connection Sizes
Liquid line Diameter - Aeroquip Coupling Size 1/2" - #10 Female
Suction Line Diameter - Aeroquip Coupling Size 1-1/8" - #12 Female
Humidifier Supply 1/4" OD Cu Compression Fitting
Evaporator/Condensate Drain 3/4" NPT-Female
MERV 8 Filter - Nominal Size, qty 2; in. (mm) 4 x 20 x 20 (102 x 508 x 208)
Condensing Unit Model Number
MCD69W
Condenser Fluid Requirements 85°F (29.4°C) EWT 110°F (43.3°C) EGT - 40% PG
THR - kW (Btuh) @ 75F/45%RH 27.6 (94,200) 25.9 (88,400)
Flow Rate, GPM (l/m) 16.4 (62.2) 20.1 (76.2)
Pressure Drop, ft. of H
2
0 (kPa) 21.7 (64.9) 38.9 (116.3)
Water-Cooled Condensing Temperature 105°F (40.6°C) N/A
Unit Volume, gal (l) 2.0 (7.5)
Unit Refrigerant Charge, oz. (kg) 94 (2.7)
Unit Operating Weight, lb. (kg) 282 (128)
Free-Cooling Coil Option
Net Capacity Data, kW (Btuh) using 45°F EWT
Entering Fluid Requirements 45°F (29.4°C) EWT 45°F (29.4°C) EGT - 40% PG
80°F DB, 62.8°F WB
(26.7°C DB, 17.1°C WB) 38% RH
Total 18.9 (64,500) 14.1 (48,500)
Sensible 18.0 (61,500) 14.1 (48,500)
75°F DB, 61°F WB
(23.9°C DB, 16.1°C WB) 45% RH
Total 16.3 (55,600) 11.7 (40,000)
Sensible 15.1 (51,500) 11.7 (40,000)
72°F DB, 60°F WB
(22.2°C DB, 15.5°C WB) 50% RH
Total 14.8 (50,400) 10.7 (36,400)
Sensible 13.3 (45,400) 10.7 (36,400)
Flow Rate, GPM (l/m) 12.0 (45.5) 20.1 (76.2)
Pressure Drop, ft. water (kPa) 12.4 (37.1) 50.4 (150.7)
Free-Cooling 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)
Internal Fluid Volume, gal (l) 2.3 (8.7)
Water supply and return connections, in (mm) OD 1-1/8 (28.6)
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%.