Technical data

Water/Glycol-Cooled Systems—Capacities and Dimensions
18 Liebert
®
Mini-Mate2
™
Table 8 Water/glycol data, 50Hz
Evaporator Model
MMD59E or MMD59K
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 20.7 (70,700) 16.9 (57,800)
Sensible 19.3 (65,700) 16.9 (57,800)
75°F DB, 61°F WB
(23.9°C DB, 16.1°C WB) 45% RH
Total 19.9 (68,000) 16.1 (54,900)
Sensible 17.1 (58,300) 15.2 (52,000)
72°F DB, 60°F WB
(22.2°C DB, 15.5°C WB) 50% RH
Total 19.5 (66,500) 15.7 (53,500)
Sensible 15.7 (53,700) 14.0 (47,700)
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)
Input Voltage-380-3-50 10.5 (35,800)
Input Voltage-400-3-50 11.5 (39,100)
SCR Reheat Capacity (Includes Fan Motor)-kW (Btuh)
Input Voltage-380-3-50 15.0 (51,200)
Input Voltage-400-3-50 16.5 (56,200)
Humidifier Data - Steam Generator Type
Steam capacity - lb/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 Copper Compression Fitting
Evaporator/Condensate Drain 3/4" NPT-Female
MERV 8 Filter - Nominal Size, qty 2; in. (mm) 4x20x20 (102x508x208)
Condensing Unit Model Number MCD68W
Condenser Fluid Requirements 85°F (29.4°C) EWT 110°F (43.3°C) EGT - 40% PG
THR - kW (Btuh) @ 75F/45%RH 25.3 (86,400) 24.7 (84,300)
Flow Rate - GPM (l/m) 15.6 (59.1) 19.0 (72.0)
Pressure Drop - ft. of H
2
0 (kPa) 19.5 (58.3) 34.7 (103.8)
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 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) 14.0 (47,700)
Sensible 18.0 (61,500) 14.0 (47,700)
75°F DB, 61°F WB
(23.9°C DB, 16.1°C WB) 45% RH
Total 16.3 (55,600) 11.8 (40,400)
Sensible 15.1 (51,500) 11.8 (40,400)
72°F DB, 60°F WB
(22.2°C DB, 15.5°C WB) 50% RH
Total 14.8 (50,400) 10.5 (35,900)
Sensible 13.3 (45,400) 10.5 (35,900)
Flow Rate - GPM (l/m) 12.0 (45.5) 19.0 (72.0)
Pressure Drop - ft. water (kPa) 12.4 (37.1) 45.5 (136.0)
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%.