cant balance water level between sump and display tank

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baekhsong

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Reply #15

the speed settings are 30 to 100 and im running at 30. i do have a gate valve on the return pump and thats turned open all the way.

Amo Manik

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Reply #16

i figured if i had valves on both i would be able to tweak the strength of the flow rather than doing 2 different size pipes. what do you mean it had a bend before hitting the sump? i have my drain pipe going straight down then a 45 elbow to go into the cupboard and 45 elbow again to go down.
Not sure if you are aware but looks like the 45 bend is leaking

baekhsong

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Reply #17

can that be affecting the fluctuating water level?

ajm83

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Reply #18

So the gated drain is running a full syphon?  (completely full of water?)

If the water is gradually increasing in the display, it implies the water is not draining quickly enough.  I would try either opening the gate valve on the drain very small increments OR closing the gate on the return pump in very small increments.

baekhsong

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Reply #19

So the gated drain is running a full syphon?  (completely full of water?)

If the water is gradually increasing in the display, it implies the water is not draining quickly enough.  I would try either opening the gate valve on the drain very small increments OR closing the gate on the return pump in very small increments.

when gated drain is fully open, return pump cant keep up, which is why i keep return pump valve open fully and main drain valve closed to trickle emergency drain. ive only been adjusting main drain valve a milimeter each time but it seems even that much of a turn makes a big difference. should i try adjusting valve on return pump once i think im as close as i can get to a water balance in the overflow?

ajm83

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Reply #20

should i try adjusting valve on return pump once i think im as close as i can get to a water balance in the overflow?

Yes that's what I meant 😊 

Could you grab a video of it working properly and then one of it when it's gone wrong?  Maybe somebody will be able to see the problem.  You can upload the video on youtube then just paste the link on here and it will show the video. 

baekhsong

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Reply #21

thats a good idea. ill do it when i have more time. right now i managed to tune it so it only drains every few hours. when it does drain, it eventually balances out again. throughout the night it only drained once at midnight but luckily thats when i went to bed so i think the rest of the night it went quiet unless i slept through it haha. maybe i just need to tune it right im just not getting it right each time.

baekhsong

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Reply #22

it seems i just needed to keep adjusting both valves, not just main drain valve. thank you so much for the support im so glad this is fixed! no gurgling for 2 days and 2 nights. i sleep so good now haha

Animal

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Reply #23

It's a bit like a car engine ,sometimes needs a little bit of fine tuning,
Dave
 8D

Gav

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Reply #24

Rather than just valving the return , teeing into it and valving the branch back to the sump can help with minor adjustments, I use the valve on my UV pipe run from the return pipe back to the sump for my minor micro adjustments .

baekhsong

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Reply #25

Rather than just valving the return , teeing into it and valving the branch back to the sump can help with minor adjustments, I use the valve on my UV pipe run from the return pipe back to the sump for my minor micro adjustments .

huh thats an idea. ill keep it in mind. when i was struggling to balance the water level, my return valve was turned all the way open so i have room to tune but will keep this in mind. thank you!

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