Fan Control and Monitoring
AssemblyVariable-frequency drive and monitoring system that adjusts fan speed based on tunnel air quality and pressure demand. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Fan Control and Monitoring
5 top-level lines as of r178153| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Variable-Frequency Drive Cabinet | tunnel-ventilation-fan-vfd | 1× | 1 | · | part |
| 2 | Fan Speed Sensor | tunnel-ventilation-fan-speed-sensor | 1× | 1 | · | part |
| 3 | Pressure Transducer | tunnel-ventilation-fan-pressure-transducer | 1× | 1 | · | part |
| 4 | Local Control Panel | tunnel-ventilation-fan-control-panel | 1× | 1 | · | part |
| 5 | Hall Sensor | hall-sensor | 1× | 1 | · | part |