The CRC-1100 is a panel mounted controller dedicated to controlling the cold room and its various devices.
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.
It is also possible to select the interval between defrosts and a maximum time out after which the defrost is interrupted. The same probe which controls the defrost cycle is also used to control the evaporator fans. It is possible to set the temperature, the time delay time after a defrost and the relation of fans with the compressor.
There are safety features which include shutting down the system incase of a fault from a pressure control or similar device.
Main Feature:
• LCD with backlighting to display all parameters.
• 2 NTC probes for cold room temp + evap. coil temperature.
• Relay outputs : Compressor + Cond. Fan + Heater + Evap. Fan + Alarm.
• Audible alarm. •Digital inputs : 2nos (a) Door switch (b) Pressure cutout.
• HP/LP/OSS trip protection for compressor. •Compressor protection algorithm.
• Auto/Mannual defrosting facility (Time/Temp based).
• Special software to indicate probable heater fault.
Input & Output:
• Relay Output 1 : 8(3)A Compressor.
• Output 2 : 8(2)A Heater.
• Output 3 : 8(2)A Evaporator Fan.
• Output 4 : 8(3)A Condenser Fan.
• Output 5 : 5A Alarm .
• Temp. Sensor Input : 2NTC for Cold room chamber and Evaporator Coil.
General Specification:
• Temperature range: -50°C to +50°C.
• 230VAC Standard. 110VAC on request.
• Panel cutout : 92 X 92 mm Screw terminals : Admit 1X 2.5 mm² wire.
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»» CRC-1200
The CRC-1200 is a panel/wall mounted controller dedicated to controlling the cold room and its various devices.
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.
It is also possible to select the interval between defrosts and a maximum time out after which the defrost is interrupted. The same probe which controls the defrost cycle is also used to control the evaporator fans. Post drip and condensor fan control are amongst many other features in this contoller.
There are safety features which include shutting down the system incase of a fault from a pressure control or similar device.
Main Feature:
• LCD with backlighting to see system status and 1” display for temperature.
• 2 NTC probes for Cold room temp + Evap. coil temperature. .
• Computer Connectivity over RS485 and Remote monitoring(Optional).
• Fast Freeze mode, Inbuilt RTC, Door Input, Audible alarm.
• Relay outputs : Compressor/ Cond.Fan/ Evap. Fan/ Heater/ Alarm.
• HP/LP/SPPR trip protection for compressor.
• Auto/Man defrosting facility (Time/ Temp based), Power Switch Key.
• Last 10 Fault Logs with Date/ Time Stamp.
Input & Output:
• Relay Output : 8(3)A Compressor, Condenser Fan, Evaporator, Fan, Alarm.
• Temp. Sensor Input : 2NTC for Cold room chamber and Evaporator Coil.
• Digital Input : HP / LP / SPPR Input / Door Input (Potential free)
• RS485 connector for PC Connectivity.
General Specification
• Temperature range -50°C to 35°C.
• 230VAC Standard
• Screw terminals : Admit 1X 2.5 mm² wire.
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»» SZ 7522P
Main Feature:
• Cooling output.
• Digital input for Door Switch.
• Relay output : Heater & Compressor.
• Auto/Manual defrosting facility (Time/ Temp based).
Input & Output:
• Relay Output 1 : 8(3)A Compressor.
• Relay Output 2 : 5A Heater.
• Temp. Sensor Input : 2 NTC (Room & Evap. Coil).
Application :
Freezer and cold room.
General Specification
• Room Temperature range -50°C to +99°C.
• Coil Temperature range -50°C to +50°C.
• 230VAC Standard. Other models with 12VDC, 24VDC, 110VAC on request.
• Panel cutout : 29 X 71 mm Screw terminals : Admit 1X 2.5 mm² wire.
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»» SZ 7523P
Main Feature:
• Digital input for Pressure Cutout.
• Relay output : Compressor + Heater + Evap. Fan. .
• HP/LP/OSS trip protection for compressor.
• Compressor protection algoriithm.
• Auto/Man defrosting facility (Time/ Temp based).
Input & Output:
• Relay Output 1 & 2 : 8(3)A for Heater & Evap. Fan.
• Relay Output 3 : 20A Compressor
• Temp. Sensor Input : 2 NTC (Room & Evap. Coil).
Application :
Freezer and cold room..
General Specification
• Temperature range -50°C to 50°C.
• 10VAC/DC Standard.
• Panel cutout : 29 X 71 mm Screw terminals : Admit 1X 2.5 mm²wire.
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»» SZ 7524W/D
Main Feature:
• Relay output : Compressor + Heater + Evap. Fan.
• HP/LP/OSS trip protection for compressor. .
• 0.1°C resolution.
• Auto/Man defrosting facility (Time/ Temp based).
Input & Output:
• Relay Output 1 & 2 : 8(3)A for Heater & Evap. Fan.
• Relay Output 3 : 8(3)A Compressor.
• Temp. Sensor Input : 2 NTC (Room & Evap. Coil).
Application :
Freezer and cold room.
General Specification
• Temperature range -50°C to 50°C.
• 230VAC Standard. Other models with 12VDC, 24VDC, 110VAC on request.
• Wall mounted & Din rail mounting.
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»» SZ 7524P
Main Feature:
• Relay output : Compressor + Heater + Evap. Fan.
• Compressor protection algorithm.
• Auto/Man defrosting facility (Time/ Temp based).
Input & Output:
• Relay Output 1 & 2 : 8(3)A for Heater & Evap. Fan.
• Relay Output 3 : 8(3)A Compressor.
• Temp. Sensor Input : 2 NTC (Room & Evap. Coil).
General Specification
• Temperature range -50°C to 50°C.
• 230VAC Standard. Other models with 12VDC, 24VDC, 110VAC on request.
• Panel cutout : 29 X 71 mm Screw terminals : Admit 1X 2.5 mm² wire
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»» SZ 7527
Main Feature:
• Blue LCD with backlighting with 16 X2 characters to display all parameters.
• Relay outputs Compressor, Heater, Evap. Fan and Alarm..
• HP/LP/OSS trip protection for Compressor
• Auto/ Man defrosting facility (Time/ Temp Based).
• Special Software to indicate probable heater fault.
Input & Output:
• Relay output : 8(3)A for Compressor.
• Relay output : 8(3)A for Heater, Evap. Fan..
• Alarm : 5A.
• Temp. Sensor Input : 2 NTC (Room & Evap. Coil).
Application :
Freezer and cold room.
General Specification
• Temperature range -50°C to 50°C.
• 230VAC Standard. Other models with 12VDC, 24VDC, 110VAC on request.
• Panel cutout : 29 X 71 mm Screw terminals : Admit 1X 2.5 mm² wire.
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»» SZ 7534
Main Feature:
• Digital input for pressure cutout.
• HP/LP/OSS trip protection for Compressor.
• Auto/ Man defrosting facility (Time/Temp based).
• Inbuilt buzzer.
Input & Output:
• Temp. Sensor Input : 2 NTC (Room & Evap. Coil).
• Relay Output : 8(3)A for Compressor, Heater & Evap. Fan.
• Relay Output : 5A for Light.
Application :
Freezer and cold room.
General Specification
• Temperature range -50°C to 50°C..
• 230VAC Standard
• Panel cutout : 31 X 150 mm
• Spade terminal connections.
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