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The Subzero ‘MICROCHILL’ is a controller that integrates all the control functions required by a chiller. It is a complete, independent, rugged and highly reliable unit. It is one of the most efficient chiller controller of it’s kind in the country with the kind of features it provides.
A user friendly LCD screen displays all parameters and message alarms on the display. In addition to the LCD there are LED’s provided for instant status of all controls in the system. The Microchill controller allows you to manage refrigeration units having different configurations
Main Feature:
• 7 segment LED display & LCD with backlighting to display all parameters and control status.
• Audible alarm for every fault.
• HP/LP/OL/SPP trip protection for compressor.
• Pump O/L, SPP or Low liquid level trip protection for Pump.
• Compressor protection algorithm.
Input & Output:
• Analog Inputs : Control, Antifreeze.
• Digital Inputs : HP, LP, Comp O/L, Pump O/L, Cond. O/L, SPP, CWFS, EWFS, Medium Water Level, Low Water Level.
• Relay Outputs : 10A for Compressor 5A for Pump, Condenser, Water SV.
General Specification
• Temperature range -30°C to 50°C.
• 230VAC Standard. 110VAC on request.
• Panel cutout : 92 X 92 mm.
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»» Mega Chill
The Subzero ‘MEGA CHILL’ is a controller that integrates all the control functions required by a chiller. It is a complete, independent, rugged and highly reliable unit. It is one of the most efficient chiller controller of it’s kind in the country with the kind of features it provides.
A user friendly LCD screen displays all parameters and message alarms on the display. In addition to the LCD there are LED’s provided for instant status of all controls in the system. The Mega Chill controller allows you to manage refrigeration units having different configurations.
The parameters are protected with a hardware key known as ”PROKEY”. Without prokey user cannot change parameters, but can view the parameters. This prevents any unauthorized access to the parameters.
The Subzero ‘MEGA CHILL’ is a controller that integrates all the control functions required by a chiller. It is a complete, independent, rugged and highly reliable unit. It is one of the most efficient chiller controller of it’s kind in the country with the kind of features it provides.
A user friendly LCD screen displays all parameters and message alarms on the display. In addition to the LCD there are LED’s provided for instant status of all controls in the system. The Mega Chill controller allows you to manage refrigeration units having different configurations.
The parameters are protected with a hardware key known as ”PROKEY”. Without prokey user cannot change parameters, but can view the parameters. This prevents any unauthorized access to the parameters.
Main Feature:
• 7 segment LED display & LCD with backlight to display all parameters and control status.
• Audible alarm with LCD message for all faults.
• HP/LP/OL/OSS trip protection for compressor.
• Overload trip protection for pump and condenser.
• Regulates water level via water solenoid valve.
Input & Output:
• Analog Inputs : 6 NTC probes for CONTROL, E/INLET, E/OUTLET, C/INLET, C/OUTLET, AFT.
• Digital Inputs : HP, LP, OSS, AFT, Comp O/L, Pump O/L, CCH, Cond. O/L, SSP, CWFS, EWFS, Bitzer comp O/L, R, Y, B, Medium Water Level, Low Water Level.
• Relay Outputs : Pump, Compressor, Condenser Fan, Alarm, Water Solenoid Valve, Bitzer Comp Reset, Liquid SV.
General Specification
• Temperature range -30°C to 50°C(resolution: 0.5°C).
• 230VAC Standard. 110VAC on request.
• Panel cutout : 92 X 92 mm.
• I/O Board size : 150 X 243 mm for Input/Output Board.
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OneCompressor | Two Compressor | Three Compressor
»»Nano Chill
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The Subzero “NANO CHILL” are controllers that integrate all the basic control functions required by a chiller.
A user friendly LCD screen displays all parameters, status and alarm messages. It is a panel mounted controller dedicated to control the chiller and its various devices.
It has Compressor & Pump protection algorithm which include shutting down the system incase of various faults.
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Main Feature:
• Blue 16 X2 LCD with backlighting to display all parameters.
• Precise temperature control in 0.5°C resolution(NC110) & 0.1°C resolution (NC120).
• Liquid level sensing with 3 probes (Low, Medium, High).
• HP, LP, Auxiliary fault trip protection for Compressor.
• Antifreeze temperature will display with “ ” key press on NC110
• Antifreeze & Condenser temperature will display with “ ” key press on NC120.
Input & Output:
• Temp. Sensor Input : 2 NTC for Liquid & Antifreeze.
• Additional Temp. Sensor Input for Condenser Temperature.
• Relay Output 1 : 8(3)A Compressor.
• Output 2 : 5A Pump, Water SV / Alarm for Nc110.
• Output 2 : 5A Condenser, Pump, Alarm, Water SV, Precision SV for NC120.
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General Specification
• Temperature range -30°C to 50°C( Resolution 0.5°C.) NC110.
• Temperature range -30°C to 50°C( Resolution 0.1°C.) NC120.
• 230VAC Standard. 110VAC on request.
• Panel cutout : 29 X 71 mm.
• Screw terminals : Admit 1X 2.5 mm² wire for NC110
• Minifit type connector for NC120.
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NC-110 | NC-120
»»Ultra Chill
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The Subzero “ULTRACHILL” controller is a multi compressor chiller controller. It controls chillers with up to 4 compressor. It integrates all the basic control functions required by chiller. Ultrachill has a graphic display to display the different parameters, status & alarm messages. It is a panel mounted controller dedicated to controlling the chiller and its various devices. |
Main Feature:
• Graphical LCD display. (128X64) with Touch Screen.
• It has Chiller inlet, outlet and antifreeze temp. Sensors.
• Precise temperature control in 0.1°C resolution.
• Suction and discharge pressure sensing for each compressor.
• Current sensing for each compressor.
• Controller has START/STOP switch .
• Compressor protection by tripping on HP, LP, OL OSS fault input.
• Overload trip protection for pump and condenser.
• Provision for precision cooling mode.
• Service alarms based on compressor and pump run hours.
• Audible alarm with buzzer for all faults
• Regulates water level via water solenoid valve & Liquid level sensor.
• PC Connectivity with modbus, Bluetooth connectivity(Optional).
• USB interface to download & upload data from the controller.(Optional)
Input & Output:
• Analog inputs : 5 NTC, (4 - 20mAmp / 0 - 10Vdc / 0 - 5Vdc).
• Pressure inputs : 8 nos.
• Liquid level sensor.
• Current Input : 1 to 20A (resolution 1A).
• Digital input : HP, LP, Compressor OL, Condensor OL, OSS(for each unit) SPP, EWFS, Pump OL, AUX.
• Digital relay outputs : 5A for Compressor, Condensor, Pump, Precision SV, Alarm, Water SV.
General Specification
• Temperature range -50.0°C to + 100.0°C (resolution 0.1°C).
• 230VAC Standard.
• Panel cutout : 105.2 X164.3.
• Minifit type Connectors.
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