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Gardena sprinklers

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  • Pierre
    replied
    rainbird valves have to be put in an enclosure if burried

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  • Edwin10
    Guest replied
    Are the rainbirds not suitable for burieng in the ground directly ? Do they need an enclosure ?

    The gardena's can be put in the ground directly. At least, that's what the manual says.

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  • Pierre
    replied
    Well, your new valves could be put in the same place as Gardena, but you will have to buy/build and enclosure for them, and empty them manualy before winter.

    Instead of that, I did not burry the new valves, and put them somewhere else on the pipe, and replaced the old vaves with these low-cost self-emptying devices that can be burried.

    You only need one device at the lowest point.

    The problem is that Gardena's sprinklers are no good and I decided to change them also for rainbird.
    BUT, rainbirds are NOT self-emptying (as Gradena are), so be careful ...

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  • Edwin10
    Guest replied
    Installing the Gardena sprinklers indeed requires the lowest points of the pipe.
    Reading your post, I conclude that the rainbird sprinklers don't have to be at the lowest point ? Instead I need to use small self-emptying devices ?

    Do I need one of these small self-emptying devices before or after each sprinkler ?

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  • Pierre
    replied
    Edwin10,

    I have been through that just the same two years ago, and switched from Gardena to Rain8 from RainBird.

    The main problem is that the Gardena valves are automaticaly emptied of water when stopped, not the rainbirds'.

    If you instaled your sprinklers the gardena way, your valves are at the lowest of your pipes. I suggest that you put your new valves somewhere else higher on the pipe, in order not to burry them, and not having to buy an enclosure for each one. You will have to put a small self-emptying device (from rainbird) in place of each old valve.
    I hope this is clear enough, I could not do it better in dutch...

    Bye
    Pierre

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  • Edwin10
    Guest replied
    I'll guess I'll do that. I'll order a RAIN8 and some 24V valves.
    I'll use the sprinklers I'va already got.

    Thanx everyone for posting tips/ideas

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  • toscal
    Guest replied
    After a bit of testing with my Gardena T14e computer and valve. I can confirm the following;
    The valve is a solenoid type operating a diaphragm.
    Needs a positive voltage to turn off and a negative voltage to turn on.
    While I could come up with the correct power supply etc the cost and extra bits make the Rain 8 a more attractive prospect. Not to mention easier.

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  • Edwin10
    Guest replied
    I taken pictures of the controller and the valve. Maybe somebody recognizes it as another brand/type?

    But since it's not likely that is will be easy adaptable to HS, I'm thinking of buying a RAIN8 and 24V sprinklers in a couple of days.
    Attached Files

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  • toscal
    Guest replied
    Its 6.30 am here in Spain and I couldn't sleep, so I'm at the moment hacking a Gardena T14e computer with valve. Unfortunately the 9v battery in the computer doesn't have enough juice to operate the valve, so need to wait until the shops are open. I Will let you know my findings in the next couple of days.
    The idea is that if it is a DC voltage that turns on the valve, then using an X-10 appliance module and a 9v mains adaptor I could turn on the valve with an event in HS.
    But since 24v AC valves are about 22 euros here in Spain, I might end up going the Rain8 route in the end anyway.

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  • Stevech
    replied
    well, if there are wires between the controller and the valves...
    These valves seem to be low voltage DC rather than the common sprinkler controllers which plug-in to wall power. These are 24VAC valves. Rain8 and others are intended to control 24VAC electric valves. You'd have to inquire if it can be adapted for your DC valves. I suspect not.

    WIth a bit of fiddling, I'd think you could wire up one or more X10 Universal Modules to control your valves. Each module would control one valve, with a supply of DC to match. Your valves might toggle on/off with a pulse of current, since they are battery powered.

    My garden-hose battery powered timer/controller has a little motor in it to operate the valve. I don't know, but I assume that the polarity of the voltage to this motor is reversed to close versus open. Yours may be the same. If so, this gets too complicated to kack. Time to get 24VAC water valves!

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  • Edwin10
    Guest replied
    The controller is a type 6030. I guess it's an older one, because I cannot find it anywhere online.

    It's battery operated by 3 * 1.5 V AA batteries.

    The controller is wired to the valves, which are attached to a water pipe which is directly "plugged in" the water supply.

    I can make a photograph of the valves and controller. It's certainly not one of the 2 in the pictures droopyear supplied.

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  • Stevech
    replied
    exactly which controller do you have?

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  • Edwin10
    Guest replied
    I measured the voltage on my controller. It has 3 * 1.5 V AA batteries in is, and the output varies from 8-12 V when I open a valve. Closing a valve puts out 4-6 V.

    I guess it's gonna take a lot of time and effort to get the Gardena set to work with Homeseer. I'm thinking of selling the whole set and building a new set from the ground up.

    Sometime I hate myself for wanting to automate everything around the house :-)

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  • Stevech
    replied
    looks like gardena makes both controllers for wired electric valves and stand-along battery powered timer-valves.
    http://www.gardena.com/servlet/Categ...1607&langId=-1

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  • jon00
    replied
    Edwin10,

    Could you explain your Gardena 6030 as I think there may be some confusion with your system. Is it:

    1) A computer controlled timer that is attached to your outside tap/faucet and has an integrated water valve which is battery operated?

    2) A computer controlled timer which is connected to external water valves via cables?

    Leave a comment:

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