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I'm trying to set my ATO up with two sensors. Unlike the GHL video option of one switch is low level, and one is high level I want one low level and one emergency shut off.

I have one switch working as On/Off for the ATO but for the life of me I can't get the float switch to shut the ATO pump off when triggered.

My setup:
- Optical switch is the "ATO Sensor"
- Float switch is the "High Sump Sensor"
- Y cable is being used from the purple input

My programming:

 

ATO Sensor:


ATO Sensor.png

 

High Sump Sensor:


High Sump Sensor.png

 

Program Logic:


Program logic.png

 

Switch Channel 15:


switch channel 15.png

 

Socket 2:


socket 2.png

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Figured this issue out and will post a tutorial in the main forum. I had the Outlet set to "Fill Water ATO," when it should have been pointed to my "Programmable logic." I also didn't need the float switch inverted.

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  • 1 year later...

I know this thread is old but I am trying to setup my ATO. I have my ATO with Optical as well and when water is low I want it so it will not turn on my pump. You said you have figured it out. Do you have a tutorial for this?

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On 8/30/2020 at 10:12 PM, Tmcca said:

I know this thread is old but I am trying to setup my ATO. I have my ATO with Optical as well and when water is low I want it so it will not turn on my pump. You said you have figured it out. Do you have a tutorial for this?

He never made a tutorial. Only the screen shots above. 

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