Monitoring technology is an essential part of frost fan management because it allows customers to monitor the status of frost fans by uploading data to their own secure website. This information is captured and transmitted by the Frost Monitoring Unit (FMU).
An FMU is a telemetry unit that contains a SIM card and a cellular modem. One FMU is installed onto a specially selected frost fan (known as the Base Frost Fan) inside a weatherproof enclosure. The base frost fan communicates with up to 14 Remote Frost Fans all located within a 1km radius. The base frost fan is located in the centre (imagine a star network topology).
If one base frost fan is not sufficient for a site, installers have two options:
Install more FMUs onto more frost fans in the network.
Install the FMU onto another object with a power supply, such as the roof of a house or a pole that is higher than the frost fan towers.
The FMU listens for data (wind speed, temperature, engine statistics, battery status) being passed between the base tower radio and engine auto-controller. It also listens for data being passed between the Remote Frost Fans and the base frost fan. It then transmits all of this data to the FrostSmart Cloud.
The FMU knows which Remote Frost Fans belong to the base frost fan because this was configured by the installer in the FrostSmart Installer App during the site implementation.
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