The CH535 chilled water temperature control is fulfilled through a microprocessor based controller, monitoring water and refrigerant temperature as long as refrigerant pressure.
The Micropocessor based controller is supplied factory mounted, fully wired, configured and tested in factory. The controller ensures compressor and fan sequence (load control), fault detection, diagnostic and supervision.
Main features
- High and low refrigerant pressure protection
- Load limit control to limit compressor loading on high return water temperature
- Condenser fan sequencing with automatically cycling in response to ambient condensing pressure
- Compressors anti-short cycle timer protection adjustable
- Automatic compressor lead-lag, to even out run hours and compressors starts
- Phase reversal/single phasing protection
- Low ambient lockout control with adjustable set point
- Integrated RS485 serial port to allow BMS connectivity
- Options for communication protocols: ModBus, LonTalk and BACnet should be available