Hydrovar HVL Configuration
On the Hydrovar HVL device, the up and down key must be pressed to change the submenus.
- Go to M1200 RS-485 INTERFACE.
- Set the following parameters.
| ID | Parameter | Setting | 
| P24 | Enable Device | Enabled | 
| P105 | Mode | Controller or Cascade | 
| P202 | Software | V2.0 or higher | 
| P210 | Inverter | All | 
| P1203 | Protocol | Modbus RTU | 
| P1205 | Address | 1 | 
| P1210 | Baud rate | 9600 | 
| P1215 | Format | 8,N.1 | 
| P1310 | Pump Address | 1 | 
| P1321 | Auto-start | ON | 
| P1323 | Address | 1 |