| Input | EXTRA | |
|---|---|---|
| Supply air pressure sensor | •* | |
| Exhaust air pressure sensor | •* | |
| Supply air temperature sensor | • | |
| Exhaust air temperature sensor | • | |
| Heater PWM control | • | |
| Primary heater temperature sensor | ||
| Secondary heater | • | |
| Secondary heater temperature sensor | • | |
| GWC sensor | • | |
| 1-WIRE sensor | • | |
| BYPASS sensor | • | |
| BMS communication | • | |
| TECH RS connection for Internet module | • | |
| Exhaust fan control 0–10V with feedback signal | • | |
| 0–10V input | • | |
| Volt-free (potential-free) contact | • | |
| Fan power supply 230V | • | |
| Relay output 230V | • | |
| Additional sensor | • | |
| 0–10V output | • | |
| Binary digital input | • | |
| MODBUS 485 | • | |
| MODBUS 485 MASTER | ||
| MODBUS 485 SLAVE | • | |
| *with the option of disassembly or separate sale |