What gives?

May 12, 2016
214
Katy, Texas
Pool is turned off but cell is saying it detects flow and is good to go.

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Flow switch stuck open?

Is the SWG system hooked to a separate timer or to automation?

In any case, disconnect power to it until you can determine the cause. The flow switch is a secondary safety device. Primary safety device needs to be a timer or automation.
 
Flow switch stuck open?

Is the SWG system hooked to a separate timer or to automation?

In any case, disconnect power to it until you can determine the cause. The flow switch is a secondary safety device. Primary safety device needs to be a timer or automation.

Didn’t think of that, good point. I shut it off and turned it bAck on and now it still shows flow but low salt as well.
 
pa,

For the flow light to be green, the flow switch would have to be stuck in the "closed" position... But the real problem is that the salt system should not be getting any power when the pump is not running.

In the old days of single speed pumps, you just powered the pump and the cell from the same timer... Easy Peazy... With VS pumps you can't do this because the pump gets constant AC power and has its own timer/control panel...

What most people do is to run a separate timer for the SWCG that is set to provide power to the cell only when the pump is scheduled to run.. So, since your unit has been running fine, why would you go to all that trouble??? Because it is possible for the cell to explode, if allowed to generate chlorine gas while the pump is off. It is rare, but does happen..

The cell was designed to be controlled by a Pentair automation system, which is wired to prevent the cell from getting power when the pump is off..

The same would apply to your acid injections system, although it won't cause an explosion..

Thanks for posting,

Jim R.
 
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