| Application | Controlling of air blower in HVAC application |
| Basic Controls | Air blower will be switched on/off through DOL and Star/Delta connection and speed of blower will be controlled through VFD |
| Safety interlocks | Over load , Earth Leakage and Earth fault trip |
| Control Method | Local/Remote |
| Control parameters | Flow rate of air |
• Proportioning
• Process variable retransmission
• Alarms
• Remote annunciation
• Current/voltage/wattage metering and interfacing with BMS
HVAC system