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Subzero CRC 1200 User Manual

Cold room controller
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Summary of Contents for Subzero CRC 1200

  • Page 2 Index Index PARAMETER DESCRIPTION PARAMETER DESCRIPTION Introduction EVAP DIFFERENTIAL To set Evaporator Differential. Get to Know Your Controller COIL PROBE CAL. To set coil probe calibration. Key Introduction EVAP At DEFROST To set Evap. Fan status during defrost. Main Programming Mode EVAP At DOOR Open To set Evap.
  • Page 3 Introduction Get to Know Your Controller 7 Segment Display The CRC-1200 is a panel/wall mounted controller dedicated to controlling the cold room and its various devices. Features: Display The controller controls the defrost in the system based on either an electrical heater where the compressor is stopped, or at cycle inversion using warm gas where the compressor keeps on working.
  • Page 4 Key Introduction Description of parameters and functions. Parameter Up Key / Quick Freeze / Parameter setting method Lamp ON/OFF Key (LCD Message) Hold & Release LCD Messages To set other parameter Auxiliary Key (unused) Clock/Down Key Press & hold PRG key for Display will show “Select mode I >...
  • Page 5 Description of parameters and functions. Description of parameters and functions. Parameter Parameter Parameter setting method Parameter setting method (LCD Message) (LCD Message) DIFFERENTIAL Function: To set the differential for ROOM PROBE CAL Function: To set room probe 1 compressor restart. calibration.
  • Page 6 Description of parameters and functions. Description of parameters and functions. Parameter Parameter Parameter setting method Parameter setting method (LCD Message) (LCD Message) DRIP TIME DUR Function: To set drip time for defrost EVAP FAN STOP TC Function: To set Evaporator Fan Stop water.
  • Page 7 Description of parameters and functions. Description of parameters and functions. Parameter Parameter Parameter setting method Parameter setting method (LCD Message) (LCD Message) COIL PROBE CAL. Function: To set coil probe calibration. DEFROST COMPUTING Function: To set type of computation for defrost time.
  • Page 8 Description of parameters and functions. Description of parameters and functions. Parameter Parameter Parameter setting method Parameter setting method (LCD Message) (LCD Message) PUMP DOWN Function: To activate Solenoid Valve Example : If this parameter is set to 15 Range Range Relay.
  • Page 9 Technical Data Technical Data Power supply User Interface Controller Input Supply : 230VAC, +/-15%, 50Hz Display : 2 Digit Seven Segment Display (Red) (1.00” and 8 LEDs for indication.) 16X2 LCD Display For System Status Digital Inputs Keypad : 9 keys (may change) Digital Inputs : 4Nos.
  • Page 10 Suggested wiring Diagram Controller Controller should be installed in a place protected by vibration, water and corrosive gasses and where ambient temperature does not exceed the values specified in the technical data. Probe To give a correct reading, the probe must be installed in a place protected from thermal influences, which may affect the temperature to be controlled.
  • Page 11 Notice OUR OTHER PRODUCTS The information in this document is subject to change in order to improve reliability, design or function without prior notice and does not represent a commitment on the part of the company. In no event will the company be liable for direct, indirect, special, incidental or consequential damage arising out of the use or inability to use the product or documentation, even if advised of the possibility of such damages.