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Unread 07/24/2008, 07:07 AM   #501
RokleM
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That's the one I use. I guess I always took it for a fact that it's correct. I wonder how much of a variance there is?


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Unread 07/24/2008, 07:09 AM   #502
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Quote:
Originally posted by benf
Eric,
did u do any other mods...i am just pushing ~90 and you say ur getting 120SCFH
The dart gold, upgraded cup, upgraded neck, and bored out the air intake and holes in the lid. When I take a measurement, I put the dwyer on the air intake itself.


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Unread 07/25/2008, 05:50 AM   #503
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Quote:
Originally posted by benf
Thanks Marco...3/8" in the lid x 4 seem kinda big to me

I would say so too, but looking at my Deltec AP702, it has 6 holes near that approximate size.


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Unread 07/25/2008, 06:02 AM   #504
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I think i need to test my watt meters against a known source...hard to believe my watts are at 124 with the AO motor.


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Unread 07/25/2008, 06:02 AM   #505
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Still dont know why Eric is getting 120 and i am at ~90 air flow


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Unread 07/25/2008, 06:10 AM   #506
RokleM
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Which dwyer were you testing with again benf?


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Unread 07/25/2008, 06:31 AM   #507
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RMB-54D-SSV 20-200 scfh/5-95 l/min Air


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Unread 07/25/2008, 09:22 PM   #508
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gravity feed question

Ok, got my new reeflo today (thanks cweder), hooked it up to one side of my dual overflow via gravity feed, and openned the valve. My issue is that the gravity feed is not constant, seems to slightly increase and decrease, so the level in the cup can go up or down by an inch or 2 over the course of a 1/2 hour (overflowed into the collection cup once) - this unit has the gate valve mod on the outflow, so how are you supposed to keep the level constant with a gravity fed unit?

This may be important, I am in the process of upgrading my tank, and the current setup is only temporary and the flow down this side of the overflow currently is only about 200 GPH (I know I need more for the skimmer, so this might be part of the constant level issue?)

Any help appreciated,

Mark


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Unread 07/26/2008, 09:38 AM   #509
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SOLD.


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Unread 07/26/2008, 10:14 AM   #510
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Well, i decided to remove the valve for good and will replace with a 1/4"mpt x 1/2" barb. I never use the valve part anyway!


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Unread 07/26/2008, 12:38 PM   #511
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The air valve? It's drilled for standard? If that's the case I'll do the same. I guess I just figured it was metric like everything else.


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Unread 07/26/2008, 01:24 PM   #512
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Didnt even think if it is metric or not, but my 1/4" fitting fits it ok


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Unread 07/26/2008, 01:35 PM   #513
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Yes the valve is 3/8 pipe thread. You will need a 3/8 thread to 1/2 hose (barb).


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Unread 07/27/2008, 10:11 AM   #514
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OK, is a watt a watt or what?

i tested my 2 watt meters today and both display ~ the same amps for 2 different devices(drill and skimmer) and on the drill them they show ~ the same watts as well, but when i ck the watts on the skimmer the watts are different. One shows ~155 and the other shows ~125 yet they have similar amp readings. Isnt amps x volts = watts ?? If this be the case my actual watts for the upgrade is ~155 then.


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Unread 07/27/2008, 11:44 AM   #515
JRaquatics
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155 is way too high. You should be no higher than 145 especially since you are at sea level were you live. I would check to make sure you didn't tighten the impeller on too tight. You want it so that it just seats the seals. I think if you over tighten you will see more watts because of the drag from the seals, not for sure but seams to be from my experiences. Are you still running the AO Smith motor?


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Unread 07/27/2008, 12:15 PM   #516
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amen to that .. 155 is a bit on the high side.

As JR said .. check the impeller, where are you keeping the water level in the neck w/ the pump OFF.
You are still running the AO Smith, right? I wonder if that could be an issue.


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Unread 07/27/2008, 04:12 PM   #517
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yes AO motor and the water level is around the top of the screws on the nex


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Unread 07/27/2008, 04:57 PM   #518
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Ben,

I'm wondering if with the little bit of added head by running it a little higher than I am, if that is causing your venturi to pull less air, and in turn for the pump to draw more wattage.

For shiz&giggles, try turning the pump off, and adjust the water level to right around 1/4" BELOW the LOWER black flange.

When you plug it back in, see what your wattage draw is at that point, and even try with the air meter.


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Unread 07/27/2008, 05:14 PM   #519
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Marco,
1/4" below with wedge pipe open or adjusted?


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Unread 07/27/2008, 05:19 PM   #520
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all depends on how much water you're flowing through ...
I have to use the wedge pipe to get my water level to there, if I leave the pipe open all the way, the water level drops to somewhere in the cone.


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Unread 07/27/2008, 08:17 PM   #521
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Ben,

did you get a chance to try it with the water level a little lower?


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Unread 07/28/2008, 03:41 AM   #522
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Quote:
Originally posted by Cristina_j
Ben,

did you get a chance to try it with the water level a little lower?
no, hoping to tonight!

still think it weired that both meters are correct on the amps and correct on watts on my drillgun, but different results on watts for the skimmer


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Unread 07/28/2008, 04:20 PM   #523
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Ok, i turned the wedge pipe so the water was just below the black flange and it changed my watts by 3


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Unread 07/28/2008, 05:19 PM   #524
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down, right?

how about Air Pull.


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Unread 07/28/2008, 05:59 PM   #525
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Quote:
Originally posted by JRaquatics
Yes the valve is 3/8 pipe thread. You will need a 3/8 thread to 1/2 hose (barb).
I double ckd mine tonight and its definetly 1/4" thread not 3/8"


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