For detailed register maps and wiring diagrams, refer to these specific manuals:
| Component | Model / Version | Details | |-----------|----------------|---------| | Chiller Controller | W3000 (CVC/D series) | Firmware pre-patch: v3.18, v3.21 | | Modbus Interface | Internal COM port & Ethernet option card | RTU (RS485) or TCP (Port 502) | | External BMS | Any Modbus master | Tested: Siemens PXC, Schneider EM5900, Honeywell Spyder | climaveneta w3000 modbus patched
While 9600 bps is common, the patched configuration must match the controller’s internal settings (8-N-1 is the standard) [4]. For detailed register maps and wiring diagrams, refer
Modifying the Modbus map to force compressor starts can bypass internal safety timers, potentially damaging the chiller. potentially damaging the chiller.