Installation and Technical Guides

Technical documention for the automation system is broken into 3 guides to help you get to just the information you need quickly and suscinctly.  The controller is the heart of your automation system and it can use any pump controller, valve, etc. that you prefer in the final architecture.  We do this as virtually every system is different by necessity.  To get you started with a list of proven, easily available and affordable parts we provide the parts guide.  Since all systems need a good first flush, that portion of the installation is covered in the parts guide.  If that's all you are using, you may not need the Technical or Configuration guides.


The Technical Reference provides detail on other options for installing the first flush and it also covers active systems that use a staging tank and pump.  The benefits of staging are discussed in the white paper you'll find on the case study page (from our home page).  The controller is configurable and although the default values are usually fine, the Configuration Guide documents how to get into the configuration settings and customize it for your specific needs.

Parts Guide
This document covers additional parts you will need to automate your rainwater system. There are also a few uncommon tools that will be needed.
Parts Tools.pdf
Adobe Acrobat document [887.7 KB]
Technical Reference
This document covers all use cases and wiring for the Series 2 Rainwater Automation controller.
Technical Reference V7-9.pdf
Adobe Acrobat document [3.0 MB]
After your system is installed, you can make some parameter changes to configure the system to your specific requirements.
Configuration Guide V7-9.pdf
Adobe Acrobat document [1.3 MB]

If you've never installed aa actuator on a Jandy valve, this video will help you understand how to set the cam switches to the open and close positions.  This is a critical part of making the automated flush work properly.

Stage Plumbing Tips
These are things we've learned through many installations of rainwater systems using our controller. You may find some things in here that will help you properly plumb your flush valve, staging pump and maintenance valves.
Plumbing Tips.pdf
Adobe Acrobat document [598.9 KB]

Plumbing considerations and disclaimer: You should always take into account worst case scenarios of torrential downpours at the most inopportune times.  If your cisterns are outside you probably have little to worry about but if you have them housed in a building you would want to make sure that water always has a controlled way to exit the building in a worst case scenario.


It is the responsibility of the system designer and purchaser of the Flush Controller to insure that a failure of the Flush Controller will not cause consequential damages. If a failure in Flush Controller could cause water damage issues, we recommend against deployment of the Flush Controller, or against the system in which the Flush Controller is deployed.  It is the responsibility of the system designer and purchaser of the Flush Controller to be aware of performance limitations of the device.   If a Flush Controller fails for any reason RAS will not be responsible for the labor of servicing or removing the Flush Controller.  RAS recommends that the system designer perform a Failure-Mode Effects Analysis that includes the possibility of Flush Controller failure. If a potential purchaser of the Flush Controller does not agree with these terms, we ask that you not buy the Flush Controller.  Purchase and deployment of the Flush Controller implies understanding and agreeing to these limits of liability.

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