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AR2-5

Defrost Controller with RTC for display cases and cold stores – 77x35x90mm

Main features
• Up to 6 real time defrosts
• Synchronized defrost start and termination with master-slave connection
• Selectable NTC10K or PTC input
• FLEXICOLD function for energy saving or alternative setpoint
• Direct compressor control through high power 12(5)A relay
• Optional control of a second compressor or evaporator
• Excellent evaporator fan control
• Absolute or relative temperature alarms, door open alarm, condenser high temperature/pressure alarm
• Light and standby control (On/Off)
• Quick programming through ZOT-AR2
• Connection to LAE supervisory systems

Applications
Plug-in cabinets, supermarket display cases, cold stores, control panels, upright fridges and freezers, refrigerated tables and all those plants where real time defrost starts are needed.

Technical Data
Control Range: -50÷120°C, -55÷240°F
Resolution: 0.1/1°C; 1°F
Accuracy:
  NTC10K: < ±0.3°C (-40.0÷70.0°C)
  PTC1000: < ±0.5°C (-50÷120°C) 
Sensor type:
  NTC10K standard mod. SN4K20P1/P2/P3 or
  PTC1000 standard mod. ST1K20P1/P2/P3
Power supply: 115÷230V~ ±10%  50÷60Hz  3W
Rechargeable battery: >150 hours
Front protection: IP55
Panel cut-out: 71×29 mm
Ambient temperature: -10÷50°C