[Ian Sheppard]

OK so the controller is a V11 Dual which we have been producing for a while. The Dual has only one power supply so only one Red and One Black for connection to the battery Red to positive - Black to negative because we have one control to two pumps the controller should have a 15 amp fuse in line between the battery and controller.

We then have two Pairs of cables one pair for each pump Brown to pump positive and Blue to Pump Negative on these cables we number the cables so on a Brown and blue pair is number one and the other pair two.

So providing the red and black are connected correctly to the battery terminals pressing up or down on either side will power up the display.  Benny if you do not have a guide email me and I will forward you one.

As long as the controller is wired correctly and has not been damaged it will power up.

[Spruce]

Ian, sorry to ask.

If one controller failed for whatever reason, would it cause the other side to fail as well?

[Ian Sheppard]

No problem Spruce. The dual has a single power supply into both sides of the controller, So if miss connected yes a short would take out both both displays.

[Spruce]

No problem Spruce. The dual has a single power supply into both sides of the controller, So if miss connected yes a short would take out both both displays.

Thanks.

[benny donnelly]

Cheers for the help lads.

No i didnt see the system working before i bought it as i got it of ebay and the seller assured me all was working 100% and he was only selling as he needed to upsize, now i know you take that with a pinch of salt but they dont look the most complicated systems so im guessing or hoping its an easy fix.

I know the battery has 12.5v as i have a multi meter, maybe some of the wiring is done wrong as when i connect the battery one of the pumps works but no life in the controllers, i ment to take a pic today but forgot about it tbh but i will defo tomorrow

and cheers ian i will email now

[benny donnelly]

There is a pic of the system  of ebay from where I bought it if it makes more sense for you guys to see it

[jk999]

With the look off that wiring I would say there is a wiring problem

[benny donnelly]

Ian sent me a wiring diagram and i will inspect proper tomorrow, i only want one of the controllers and pumps working for the mean time so disconnecting one wont be a problem

[jk999]

Find the live and earth wire from the controller put the wires straight to a battery if it lights up you have a problem with the wiring if not its probably your controller

[Dave Willis]

 

Get it wrong and you're going to fry £160 of controllers minimum. That's if they're not wrecked already.

[Ian Sheppard]

Ian sent me a wiring diagram and i will inspect proper tomorrow, i only want one of the controllers and pumps working for the mean time so disconnecting one wont be a problem

I have sent you the guide for the V11 Dual which is slightly different to the picture you have posted. These are two V11B controllers that are separately wired. I will send you the relevant guide.

[Ian Sheppard]

As these are two separate controller each will have a Red/Black to the battery and a Brown/Blue to the pump
wiring needs to be
Red to battery positive (Fit a 7.5 amp fuse)
Black to Battery negative

Brown to pump positive
Blue to Pump negative

Each controller will need to be separately fused with a 7.5 amp rated fuse in the red between the battery and each controller. Check the connections back through to ensure correct polarity as DC devices are all polarity sensitive. Also ensure that there is no damaged cable with exposed core that could touch to metal.

[benny donnelly]

Ok lads after a bit of tinkering this morning at it I have some sort of a working system just not as I'd like

I have gotten power to the first controller but it's not powering the pump it's wired to, when I connect the power pump 2 starts automatically but no life in controller 2

I tested pump one and it works but can't understand why no power going to it from controller, likewise pump 2 works soon as I connect up the power but it's controller is still dead

Took a few pics to show what's going on

[benny donnelly]

Opened controller 2 and all seems as it should no burn smell or marks all looks very clean

[Tom White]

If the power has been put on with the incorrect polarity, these flow controllers fry.  I've fried one myself.

DIY flow controllers here for under £20 and they're really robust and don't fry if you get the polarity wrong:

http://www.cleanitup.co.uk/smf/index.php?topic=192847.20

[Ian Sheppard]

Opened controller 2 and all seems as it should no burn smell or marks all looks very clean

OK controller 0ne is running and displaying a flow rate 83. You may now need to calibrate the controller to the pump
https://www.youtube.com/watch?v=9kKoskb7l7c&index=15&list=PLUpfSwT7wIhfyiM-jbIDJPoH0UlNQZL9y

I can now see that these are both V9 controllers so while the controller is self calibrating  the  display will show show a static C99. While this is displayed leave the controller until a cal figure is displayed likely between 30 and 50. Then press set.

Now controller two is showing signs of water ingress or moisture on the PCB a number of the components are discoloured and showing brown staining. This unit has likely been shorted out.  It is also a V9 so these controllers are about 18 months to two years old.  The 2nd unit may be repairable Ideally i would ask you to return that to us for further inspection. 

[Ian Sheppard]

If the power has been put on with the incorrect polarity, these flow controllers fry.  I've fried one myself.

DIY flow controllers here for under £20 and they're really robust and don't fry if you get the polarity wrong:

http://www.cleanitup.co.uk/smf/index.php?topic=192847.20

Hi Tosh to  a point protections can be put in place to reduce the risk of reversed polarity on a DC device. DC devices by there nature are designed for current to pass in one direction only as such all DC devices are polarity sensitive. We do fit additional protection to protect the main drive and processor on the PCB, Fitting a fuse will also offer protection.

Passing current the wrong way round a DC circuit will do some damage to the components and device. Heat build up is common  in reverse polarity as the circuit itself becomes a resistor to the current add in moisture and you will get a short somewhere.

[benny donnelly]

Cheers again with the help with this lads

I can't understand why controller 1 is working but the pump ain't (is that because it needs calibrating?) and pump 2 works without power in controller 2

Ideally for the moment I just really want one controller and one pump working, so might just disconnect all and wire for that I take it it's handy enough to do?

[Ian Sheppard]

Hi Benny controller two has been shorted the reason the pump is powered is that the pump drive stage has been shorted out by water damage as my earlier post the controller nay be repairable. Re control one there was some signs of discoloured components which would suggest water damage,

The controller is displaying a flow rate so calibrating the controller may solve your issue, Follow the user guide and above video to calibrate.