[mgglim]

Thank Ray.

[mgglim]

On second thoughts, I could just dispense with using Opensprinkler for water level control. I could just have a 24vac wiring connected to the water control valve with a mechanical level control switch in the circuit. The switch would be normally open, and when water level goes low, switch would be closed, and it would turn on the water control valve until water level is restored. I keep from needlessly using a zone.

[mgglim]

I think I’ve figured it out. We won’t need to use the rain sensor port after all. For the zone for water level control, we just need to put a mechanical water level switch on the zone wiring. Circuit is open when water level is normal, and closed when water level goes lower a certain level, thus turning on the control valve and refilling the pond.

[mgglim]

matt5, I see your point. There is only one rain sensor port for the entire controller which controls eight zones. If I were to connect a level sensor to the rain sensor port to control my koi pond’s water level, I would be enabling one zone for level control at the expense of the remaining seven zones’ use of the rain sensor. I would either have to disable the rains sensor function for the seven zones, in order to not let the water level interfere with the irrigation zones.

Or I would have to dedicate one controller for water level control, which would be a waste since I wouldn’t be using the rest of the zones.

Or I would have to stick with my current mechanical-based water level control.

[mgglim]

Thanks Ray. That might just work out well for me. Since the controller is the DC type, would the sensor need to be DC? What would the voltage need to be? Sorry, this is very new to me.

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