External electrical connection for controlling the Vallox MLV Multi duct radiator
| Code | Description |
|---|---|
| MB_A | External Modbus A signal |
| MB_B | External Modbus B signal |
| +24V | +24V voltage (DC) |
| GND | Digital and analog ground potential |
| RS_A | Local hardware Modbus A signal |
| RS_B | Local hardware Modbus B signal |
| NTC | External temperature sensor connector |
| D/I1 | Digital input 1 |
| D/I2 | Digital input 2 |
| 11V1 | 11.1 V operating voltage |
| AN/I | Analog input 0-10VDC |
| RM/I | 24V relay input |
| RM/O | 24V relay output |
| B | Circulation pump |
| V | Solenoid valve |