Versatile Split Refrigeration Controller With RTC – Lae Electronic AR2-28 Series

Features

  • Up to six 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
  • 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)
  • Connection to LAE supervisory systems
  • Available display unit: LCD-5S or RU33
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Applications

Plug-in cabinets, supermarket display cases, cold stores, control panels, upright fridges and freezers, refrigerated tables and all those applications where real time defrost is required.

Specification

Technical data LCD-5S display unit
Dimensions 77 x 35 x 20 mm (WxHxD)
Panel cut-out 71 x 29 mm (WxH)
Front protection IP55
Ambient temperature -10÷50°C
Technical data RU33 display unit
Dimensions 169 x 38 x 25 mm (WxHxD)
Panel cut-out 163 x 31.5 mm (WxH)
Front protection IP55
Ambient temperature -10÷50°C
Technical Data
Range -50…120°C, -55…240°F
Resolution 0.1 / 1 °C; °F
Precision NTC10K: <±0.3°C (-40.0÷70.0°C)
PTC1000: <±0.5°C (-50÷120°C)
Sensor type Selectable NTC10K standard mod. SN4B20P1/P2/P3 or PTC1000
Power supply 230V~ ±10% 50÷60Hz 3W
Ambient temperature -10÷50°C

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Lae Electronic AR2-28 Series Versatile Split Refrigeration Controller With RTC-DpstarGroup

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