Coldroom Controller

 Microcontroller based
 Cold room temperature display four digit
 Time Totaliser to measure motor on time in six digit, HHHH.MM
 Supply 220 V Ac, 50Hz
 Input (1)RTD PT-100 for cold room & (2) RTD PT-100 for Auxiliary fan
 Output: (1) Relay Contact for Motor, (2) Relay contact for Fan, (3)Relay Contact for Heater, (4)Buzzer Output & (5) Auxiliary fan Relay contact
 High pressure input & Low pressure input sensing
 Cooling control.
 Temperature As per range adjustable in set mode.
 Alarm setting 0 to+25.0 or-25.0c with respect to set temperature
 Alarm with mute facility by Mute key.
 Cold room temperature Hysteresis (Difference) 0.2 to 20.0c adjustable.
 Password facility for configuration mode to avoid unauthentic entry.
 Delay Time 1 to 250 second adjustable.
 Defrost on Time 0 to 999 Minute adjustable, to bypass defrost cycle set defrost on time = 0000
 Defrost off Time 1 to 9999 Minute adjustable.
 Heater delay setting 4 to 250 second
 Fan delay setting 1 to 250 second
 Auxiliary fan temperature setting -50.0 to 100.0c
 Auxiliary fan temperature Hysteresis (Difference) 0.2 to 20.0c adjustable.
 OPEn display if Rtd ( Sensor ) break.
 All Relay trip & give alarm if Rtd break or open.
 Defrost on./off can be done manually with Defrost key.
 Heater on/off can be done manually with Heater Key
 Heater off after 10 minute automatically
 Cold room temperature indication error correction by front key
 Auxiliary Fan temperature indication error correction by front key
 Time Totaliser reset facility
 Auxiliary fan temperature indication by pressing increment key.

  • Model: Coldroom Controller


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