AR1-5

Defrost Controller with RTC for display cases and cold stores

Main features
Selectable Refrigerating or Heating control
Selectable NTC10K or PTC input
FLEXICOLD function for energy saving or alternative setpoint
Cyclic defrosts, or scheduled real time starts, and remote start
Defrost timer backup in case of power failure
Direct compressor control through high power 16(5)A relay
Optional control of a second compressor or evaporator
Excellent evaporator fan control
Absolute or relative temperature alarms and door open alarm
Temperature and pressure monitoring and condensing unit maintenance
Light and standby control (On/Off)
Quick programming through ZOT-AR1
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: -50120C
Resolution: 0.1 / 1 C; F
Accuracy:  NTC10K: <0.3C (-40.070.0C)
PTC1000:  <0.5C (-50120C)
Sensor type:   selectable NTC10K standard mod. SN4B20P1/P2/P3
  or PTC1000 standard mod. ST1K20P1/P2/P3
Power supply: 115230V~  10%  5060Hz   3W
Rechargeable battery:  >150 hours
Front protection: IP55
Panel cut-out: 71x29 mm
Ambient temperature: -1050C


Defrost Controller with RTC for display cases and cold stores - LAE ELECTRONIC