Do variable AC lights need to be on the same phase as the control?

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• How many lights can the LDB control?

  It depends on the maximum current that the lights will draw. Refer to the technical specifications of the lights to find the maximum current draw. Divide the LDB’s variable stage rating by the maximum draw of the lights to determine how many of them ...

• Why are my variable AC fans operating erratically?

  Are you using three-phase power? The control and the variable AC fan must be connected to the same phase of power. See Using Three-Phase power in the user manual for more information.

• Variable lighting control in the AutoFlex

  Variable light control can be a complicated subject, as there are endless amounts of different light manufacturers, different bulb types, various methods of dimming, LED lamps with internal drivers versus external drivers. It can all get very ...

• Variable AC fan has poor range

  If you find your variable AC fan has a poor range, follow the link below for a flow-chart to help solve the issue. https://www.phason.ca/img/kb/002/var-ac-fan-has-poor-range.html

• Can I control variable fans with this control?

  No, it is for fixed-speed fans or heaters only. If you need variable control, the FC-1T-1VAC controls variable fans.