Robo-Tank DIY All-In-One Aquarium Controller User Manual
Robo-Tank DIY All-In-One Aquarium Controller Back to Top User Manual v4.05 – Page 46
Automatic Top-off (ATO) System
The controller can control the hardware you have connected. For example: run 3 water heaters independently and safely.
Setting up the Automatic Top-off (ATO) System
From the Home screen if you press: Service, you get
the screen on the left.
These are the basic settings for the ATO system. You
can select a water level when the pump is activated
and how often the controller checks the water level.
The ATO system uses a float switch for detecting the
water level and a backup float switch is tied in for
security. If you have an Arduino based analog water
sensor you can use it in place of the main float
switch.
The ATO Water Level setting only applies if you’re
using an analog water sensor on the main ATO port, this adjusts how sensitive the analog sensor reacts. If you’re using a float
switch on the main ATO port any value can be set.
Next is the Check Water Level setting, here you can adjust how often the main ATO port reads the water level. If 0 is selected
the ATO system goes in “test mode”. This bypasses the timers so you can test the system. When in test mode the water level
is checked every 5 seconds and the startup delay is bypassed.
Next is the Maximum ATO Run Time setting, here you can adjust the maximum time the pump is allowed to run when the
ATO starts up. This is a “malfunction feature” which ensures no flooding occurs if the main and backup sensor fail.
If the pump runs longer than the Maximum ATO Run Time the pump will stop running and the ATO system will be disabled,
the ATO icon under the date in the header will turn red and an email will be sent telling you informing you that the ATO
malfunctioned.
Once this happens the ATO is disabled completely until you manually reset it on the display. To do this, you press the red ATO
icon under the date, a screen will show up and ask you if you want to reset the ATO, press OK and the icon should turn grey.
Now you can test the system again and ensure things are working correctly.
Running the Automatic Top-off (ATO) System
Once the ATO is setup it runs in the background, during normal operation the main ATO sensor needs to recognize a low
water level for 30 minutes before the pump starts, this ensures random waves or disturbances don’t affect it. Once the pump
starts the ATO icon under the date will turn green verifying the pump is running and will stay green until the pump turns off.
If you have the ATO Pump Start and Stop web alert selected you’ll receive an email when the pump turns on and off. The
email for a malfunction will always be sent out if you setup the email alerts.
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