The air volume and sound level is kept constant as design regardless of ESP change using this technology, you can:
- Optimize Duct work installation
- Keep capacity & sound level as desired
- Simply model numbers
The phase control motor technology gives benefits of saving money to installer.
Desired air flow rate is obtained by controlling the phase of motor while installing the product and this make your duct work system flexible E.S.P. is controlled from 0 to 8 - 10mmAq, linearly.