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RC-024 Version 2.01
Time Based Watering
For Time Based watering you decide the watering frequency and irrigation run time, either by entering the
information directly or choosing a preconfigured watering schedule. The controller will use the Watering
Triggers you’ve set to automatically adjust its watering schedule.
Time based watering will water on specific days (unless delayed by rainfall or forecast rainfall) and will vary
the watering length based on your watering triggers.
Smart (ET) Watering
Smart (ET) watering is an automated watering schedule that uses information about environmental
conditions to ensure your plants get the optimal amount of water. Evaporation will draw moisture from your
garden, while rainfall and irrigation will add moisture. Understanding these conditions allows Hydrawise to
decide when the time is right to water your garden. ET stands for evapotranspiration and is explained
further in the diagram below.
For each zone, we’ll ask you to specify the watering length and peak watering frequency:
• The watering length is how long watering needs to run to fully water your zone.
• The peak watering frequency is how often you would normally water this zone during your peak irrigation
period.
The controller will vary your watering frequency based on actual evaporation and rainfall in your area on a
day to day basis.
In contrast to Time Based Watering, Smart Watering will always water a zone for the same length of time
and it will vary the frequency of watering based on temperature and rainfall.
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