Range :
One model available,
Controls up to 3 refrigerant circuits
Scroll compressors
Use :
Control module for high capacity, cooling-only water-cooled or air-cooled water chillers with screw compressor.
Description :
Motherboard for a unit with screw compressor and up to 3 refrigerant circuits and 3 compressors
Backlit LCD, status LEDs
Pressure sensor
CPU board and CIAT-defined software
Ergonomic keypad
Multilingual
Features :
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
Optimisation 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 optiona
> advantages
Backlit LCD
User-friendly, trouble-free operation, easy-to-read screen
Two programmable setpoints
Four control options
Troubleshooting
Many self-regulating functions
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 & Ethernet ModBus optional)