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Construction
Chamber Exterior Material
Chamber Interior Material
Load Capacity per Chamber Side
Controller
Temperature Controller/QTY
Displays
Modbus TCP/IP
Alarms
Dry Contacts
Water-Cooler Condenser
Temperature Controller/QTY
Thermal Room Load: Water-Cooled
Air-Cooled Condenser
Painted Aluminum - White Embossed Finish
Painted Aluminum - White Embossed Finish
2,000 / 907 (4,000 / 1,814 total)
Microprocessor (2)
5.7 (in.) LCD (2)
Communication Protocol
Refrigeration system failure, high-low temperature, door ajar,
power failure, remote alarm contacts
Standard (C, NO, NC)
4 x 0.5 (in.) FPT connections (2 per refrigeration system
Pressure differential = approximately 20 PSI (1.4 bar)
Tower water:*
Water temperature 85°F. Maximum flow rate = 7 GPM (26.5 LPM)
Average flow rate = 4.5 GPM (17 LPM)
Chilled water:*
Water temperature ≤10°C
Maximum flow rate = 3.5 GPM (14 LPM)
Average flow rate = 2.0 GPM (8 LPM)
*Total for both refrigeration systems
Heat Rejection @ -80ºC Maximum:
= 28,000 Btu/hr. (8.2 kW/hr.) to water
= 1,800 Btu/hr. (0.52 kW/hr.) to ambient
Minimum Normal Operation, 1 system @ 75-80%:
= 12,000 Btu/hr. (3.5 kW/hr.) to water
> 900 Btu/hr. (0.26 kW/hr.) to ambient
Average - Normal Operation, 1-2 Door opening/hr.,1 System Defrost:
= 14,000 Btu/hr. (4.1 kW/hr.) to water
= 1,000 Btu/hr. (0.29 kW/hr.) to ambient
<1,550 Btu/hr.
0.44 kW/hr. Maximum
Heat Rejection @ -80ºC:
Maximum* = 28,000 Btu/hr. (8.2 kW/hr.)
Minimum = 12,000 Btu/hr. (3.5 kW/hr.)
Average = 14,000 Btu/hr. (4.1 kW/hr.)
*When both machine sections are running
ULC SERIES INSTRUCTION MANUAL
13
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