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Heat pumps and chillers control module
CONNECT2

Control module for water-to-water or air-to-water heat pumps or for medium-capacity reversible or cooling-only water-cooled or air-cooled chillers with scroll compressor.

Multilingual
Numerous configurable features
Communication GTC/GTB via ModBus-JBus protocol

One model available
Controls up to two refrigerant circuits and six scroll compressors

Control module for water-to-water or air-to-water heat pumps or for medium-capacity reversible or cooling-only water-cooled or air-cooled chillers with scroll compressor.
Motherboard for a unit with scroll compressor and up to two refrigerant circuits and six compressors

  • Backlit LCD, status LEDs
  • Pressure sensor
  • CPU board and CIAT-defined software
  • Ergonomic keypad
  • Multilingual
  • Unit configuration
  • Reading of unit states
  • Monitoring of chilled-water or hot-water temperatures
  • Two setpoint values
  • Setpoint adjustment based on outdoor temperature
  • Condensation pressure control (all-season operation on air-cooled units)
  • Control of unit components (compressors, fans, pumps, etc.)
  • Control of compressor stages or electrical auxiliary
  • Optimization of stages to achieve best ESEER
  • Compressor operating time balancing
  • Control of safety devices (high and low pressure, discharge temperature, motor overload, water circulation fault, frost point, etc.), and load shedding
  • Operating status and fault LEDs, fault history
  • ModBus-JBus protocol on RS-485 & ethernet as standard
  • LonWorks and BacNet (IP or MSTP) protocol optional
  • Backlit LCD
  • User-friendly, trouble-free operation, easy-to-read screen
  • Two programmable setpoints
  • Four control options
  • Troubleshooting
  • Many self-regulating functions
  • Optimized defrost DEGIPAC system
  • Continuous monitoring of operating settings
  • Balancing of compressor and pump operating times
  • Self-adjusting control of safety components and frost-protection components
  • Many remote-control options
  • Communication interfaces, RS-485 output, open BMS communications protocol (standard-LON ModBus optional)

One model available
Controls up to two refrigerant circuits and six scroll compressors

Control module for water-to-water or air-to-water heat pumps or for medium-capacity reversible or cooling-only water-cooled or air-cooled chillers with scroll compressor.
Motherboard for a unit with scroll compressor and up to two refrigerant circuits and six compressors

  • Backlit LCD, status LEDs
  • Pressure sensor
  • CPU board and CIAT-defined software
  • Ergonomic keypad
  • Multilingual
  • Unit configuration
  • Reading of unit states
  • Monitoring of chilled-water or hot-water temperatures
  • Two setpoint values
  • Setpoint adjustment based on outdoor temperature
  • Condensation pressure control (all-season operation on air-cooled units)
  • Control of unit components (compressors, fans, pumps, etc.)
  • Control of compressor stages or electrical auxiliary
  • Optimization of stages to achieve best ESEER
  • Compressor operating time balancing
  • Control of safety devices (high and low pressure, discharge temperature, motor overload, water circulation fault, frost point, etc.), and load shedding
  • Operating status and fault LEDs, fault history
  • ModBus-JBus protocol on RS-485 & ethernet as standard
  • LonWorks and BacNet (IP or MSTP) protocol optional
  • Backlit LCD
  • User-friendly, trouble-free operation, easy-to-read screen
  • Two programmable setpoints
  • Four control options
  • Troubleshooting
  • Many self-regulating functions
  • Optimized defrost DEGIPAC system
  • Continuous monitoring of operating settings
  • Balancing of compressor and pump operating times
  • Self-adjusting control of safety components and frost-protection components
  • Many remote-control options
  • Communication interfaces, RS-485 output, open BMS communications protocol (standard-LON ModBus optional)
Documents

Controls manual

Kit / option manual