Sub-Zero SZ-CRC-1100A User Manual
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Sub-Zero SZ-CRC-1100A User Manual

Cold room controller
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COLD ROOM CONTROLLER
USER MANUAL
SZ-CRC-1100A
www.pvrcontrols.com

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Summary of Contents for Sub-Zero SZ-CRC-1100A

  • Page 1 COLD ROOM CONTROLLER USER MANUAL SZ-CRC-1100A www.pvrcontrols.com...
  • Page 2 Index Index PARAMETER DESCRIPTION PARAMETER DESCRIPTION QUICK FREEZE DUR To set Quick Freeze time duration. Operation Ct Parameter Get to Know Your Controller POWER ON DEFROST To set / activate power up defrost cycle. Items Included E0 Parameter Key Introduction TYPE OF DEFROST To set type of defrost.

  • Page 3: Operation

    A series of “safety controls” (delay at start-up, minimum Indications SZ-CRC-1100A disable time, minimum time between activation) protects the compressors from close starts. In case of probe error or temperature alarm, the instrument signals the event through acoustic signal and by closing the relay contact.

  • Page 4: Key Introduction

    Key Introduction PROGRAMMING MODE Function : To set minimum -50 C (CS-1) C -50 C LOW SET ALARM allowable low temperature P3 Parameter limit. Defrost Key : To force a manual defrost, press defrost key for 4 seconds. The unit will go into defrost mode.
  • Page 5 PROGRAMMING MODE Function : If P8=1 Cyclic OFF 3Min 20Min 4Min PROGRAMMING MODE Function : To set time delay 0Min 30MIn 3Min COMP. TIME DELAY CYC. OFF TIME time . between comp. relay restart P6 Parameter OFF Time Parameter time. To change the Use UP/DOWN key to set To change the...
  • Page 6 PROGRAMMING MODE Function : Evap. fan 20 C PROGRAMMING MODE Function : To set Condenser 0sec 30sec 10sec COIL PROBE DIFF. COND START DELAY differential (hysteresis). delay to start before comp. L4 Parameter d1 Parameter To change the Use UP/DOWN key to set To change the Use UP/DOWN key to set L4 parameter,...
  • Page 7 cycle in short amount of time To change the Use UP/DOWN key to set after power on. If E3 < E0 then E4 parameter, press desired value. power up defrost cycle will be the SET key. ignore as frequency defrost This is the maximum amount cycle achieved before power of time allowed for a defrost.

  • Page 8: Lock Keypad

    PROGRAMMING MODE Function : Power on time 0Min 99Min 30Min Operating Messages and Icon Status POWER ON ALM DLY delay for Alarm(HT/LT). AL Parameter To change the Use UP/DOWN key to set Message Mode Description Parameter AL parameter, desired value. Temperature above the maximum press the SET key.
  • Page 9 30 Min (E4 Parameter Setting) 30 Min (E4 Parameter Setting) 6 Hrs (E3 Parameter Setting) 6 Hrs (E3 Parameter Setting) DEFROST DEFROST UNIT ON 10mm 85mm 30 Min (E4 Parameter Setting) 30 Min (E4 Parameter Setting) 4 Hours 6 Hrs (E3 Parameter Setting) DEFROST DEFROST UNIT ON...
  • 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 OUR OTHER PRODUCTS INDIA Cold Room Controller Chiller Controller Two Compressors Controller Heating Controller Humidity Controller Pressure Controller Ball Valves Globe Valves Hand Valves Flow Switches Solenoid Valves 02 / 05.02.14...

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