Why do I measure full voltage output when the control says it should be less?
The control and expansions need to have a load connected for the triac to give a correct output. If there are no mats (load) connected to the triac output, the output will always read full voltage, no matter what you set the control to. As soon as you connect mats to the triac output, the output will drop to 0%, 50% or whatever output you are manually testing at.
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Can the Supra Touch measure THI?
Yes. The Supra Touch can measure and control a zone based on THI as of version 1.12. If you are on an older version, download the latest version from the product page: https://www.phason.ca/supra-touch.htm
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 ...
Output is stuck at 100%
1. Verify phasing and field wiring 2. Verify slave A to B wiring 3. Remove VAR load wire from VLX-20. Measure this to ground, and see if it has no voltage or if there is somewhere further on that circuit that is sourcing voltage to load. If there is ...
Does this control use a temperature sensor?
No. The control is manual and adjusts output using the knob on the front.
How many fans can it control?
The limiting factor is the variable stage rating. Add up the current draw of the fans you want to control and compare it to the variable stage rating. If the combined fans draw less than the variable stage rating, then you can control them.