For troubleshooting tips and answers to commonly asked questions, please read below.
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How far apart should I put my sprinklers?
For optimum performance if the sprinkler selected is designed to throw 6 metres, then the next sprinkler should be placed at the same distance, this will provide “head to head” coverage and save you water in the long run by not turning on the system to pick up a couple of dry patches.
I want to install an irrigation system myself, what should I do?
To ensure your system is going to work, take a detailed (scaled plan) to your local irrigation store and ask them to design a system to your needs, most companies do not charge for this service if you buy the items from them and are more than happy to walk you through the installation process. Certain stages will have to be completed by a plumber but the rest of the system can be installed over a couple of days. Remember to pace yourself and do in stages.
Should I install an isolation valve at my solenoid valves?
It may not be required by law in your state , but it makes troubleshooting and servicing of your system easier. Not having to return to the water meter to turn it off, thus also turning off water to your whole house when performing simple repairs makes the addition of an isolation valve worthwh
Should I install a Master Valve?
While it may not be requirement in most states, the installation of a master solenoid valve will ensure that you have a fail safe system that reduces the static line pressure in your system when not in operation.
We suggest that you check your local water corporation guidelines on master valve use.
Should I install with PVC (white) or poly (black) tube?
All pipework and fittings up to the solenoid valves must be to the Australian Standards AS1477, either Blue Line PN12.5 Poly of Class 12 PVC. On the down stream side of the system you can use a lower pipe class normally Class 6 PVC or Low Density Poly Pipe.
Should I fit a pressure regulator to my dripper / micro irrigation system?
Yes, a reliable pressure regulator will ensure that the performance of the drippers and micro jets is not too high and therefore working to their optimal performance.
The Senninger PSR wide flow range device is ideal in this situation as you can have them pre-set, remember to install on the discharge side of your solenoid valve.
I seem to be getting more water on the path than the lawns?
This could be from an over-pressurized system, just because you have more pressure does not make your irrigation system work better, sometimes overpressure will actually reduce the performance of your system. The easiest way is to adjust the flow control stem if fitted to your solenoid valve, by reducing the water allowed to pass through the valve you also reduce the pressure / hence improving the performance of your sprinklers.
My automatic irrigation system continually operates?
Chances are you have more than one start time programmed. You only require one start time for your controller to operate. You do not need a start time for each solenoid valve, they will follow in sequence.
My solenoid valves are slow to close and sometimes stay on for long period of time?
If your solenoid valve has a flow control stem chances are that it has not been set correctly. Locate the handle in the top of the bonnet and wit the irrigation system running, turn the handle off until you see any sprinkler start to loose performance, at this point open the valve handle ½ to 1 full turn. Turn the valve off now at the controller, it should close within 5 seconds.
How often do I have to replace the batteries?
Most controllers have a battery back-up option and the general rule of thumb is that if you have replaceable batteries then we suggest that you change them when you change your smoke detector batteries. Replacing the batteries will only keep the time and program within the controller and not operate the valves during power outages.