Specifications
22
Motor:
RPM (Each): High Speed
3450 RPM @ 460V, 60 Hz
Low Speed
1725 RPM @ 460V, 60 Hz
Full Load Amps (Each): High Speed
1.6 amps @ 460V, 60 Hz
Low Speed
0.8 amps @ 460V, 60 Hz
Locked Rotor Amps: High Speed
10.5 amps @ 460V, 60 Hz
Low Speed
9.0 amps @ 460V, 60 Hz
Electrical Resistance Heater Rods:
Type
460/380V, 60/50 Hz, 3 Phase
Number
6
Watts (Each)
680 Watts @ 460V, 60 Hz
Current Draw (Amps)
5 amps total @ 460V across each phase at heater contractor
Control Circuit Voltage:
29 Vac @ 60 Hz
24 Vac @ 50 Hz
Evaporator Overheat Switch:
Opens
54 ± 3 C (130 ± 5 F)
Closes
32 ± 4.5 C (90 ± 8 F)
Refrigeration System Specifications
Compressor:
Model No.:
ZMD18KVE-TFD-277, Scroll
Refrigerant Charge:
MAGNUM, MAGNUM SL, MAGNUM 20
4.0 Kg (8.0 lb.) R-404A
Water-Cooled Condenser-Receiver Tank (Option)
4.8 Kg (8.8 lb.) R-404A
Compressor Oil Capacity
1.77 liter (60 oz.)*
Compressor Oil Type:
Polyol Ester Based Type (required), (refer to Tool Catalog)**
*When the compressor is removed from the unit, oil level should be noted or the oil removed from the compressor should be
measured so that the same amount of oil can be maintained in the replacement compressor.
**Do not use or add standard synthetic or mineral oils to the refrigeration system. If Ester based oil becomes contaminated
with moisture or with standard oils, dispose of properly — Do Not Use!
High Pressure Cutout Switch:
Cutout
3240 ± 48 kPa, 32.4 ± 0.5 bar, 470 ± 7 psig
Cutin
2586 ± 262 kPa, 25.9 ± 2.6 bar, 375 ± 38 psig
Low Pressure Cutout Switch:
Cutout
-17 to -37 kPa, -0.17 to -0.37 bar, 5 to 11 in. Hg vacuum
Cutin
28 to 48 kPa, 0.28 to 0.48 bar, 4 to 7 psig
High Pressure Relief Valve:
Relief Temperature
99 C, 210 F
Electrical System Specifications
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