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BR1-27

Refrigeration controller for DIN rail

The BR1-27 is a real-time defrost controller that is ideal for all supermarket and service applications. Thanks to its 6 freely programmable real-time defrost times, which can also be easily changed in the info menu, it is particularly suitable for all applications where time-controlled and optimized energy distribution of the respective system is important.

Properties

  • Cooling or heating control freely selectable via relay 1
  • FELXICOLD function for energy saving or control via 2nd setpoint
  • Possibility of controlling combination cabinets (plus / deep freezing)
  • Defrosting after regular cycles or in real time
  • Defrost timer storage in the event of a power failure
  • Possibility of controlling a second compressor or evaporator
  • Absolute or relative temperature alarm control and door alarm
  • Temperature/pressure monitoring and condenser maintenance message
  • Light and stand-by control via M or ON / OFF button
  • Quick programming using the ZOT hand-held programming device
  • RS485 interface for integration into monitoring systems

Functions

  • 16A relay evaporator fan especially for use with EC motors
  • Optimized evaporator fan control via temperature
  • 2 parameter groups for optional control of:
    • ECO energy management with improved savings potential
    • Plus and deep freezing
    • Day and night operation
  • Time-controlled actions via start and stop time such as:
    • 2nd parameter group
    • Activation of the AUX outputs (e.g.: light, valves, pumps, etc.)
  • Defrost synchronization between several control units possible
  • Recording according to TC regulation via sensor T3
  • Universal power supply 100…240Vac

Areas of application

  • Switch cabinet systems
  • Compact cooling controls

Technical data

BR1-27C1S5W-1BC
Sensor type
NTC10k
Standard equipment
3 x SN4B20P1...3
Sensor measuring range
-40 ... +105°C
Controller control range
-50°C ... +120°C
Resolution
0,1°
Entrance
Door contact / DI2
Clamps
Screw terminals
Relay 1 / NO contact
16 (4)A Compressor
Relay 2 / NO contact
16 (4)A Evaporator fan
Relay 3 / NO contact
7 A Defrosting
Relay 4 / changeover contact
7 A AUX I
Relay 5 / NO contact
7 A AUX II / potential-free
Interface
RS485
Real time
6 times / backup battery > 150h
Power supply
100...230Vac
Dimensions WxHxD
72x94x60mm
Installation dimension
DIN rail
Front protection type
IP 55
Certification
CE