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Thread: SCMS Dust Extraction
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16th September 2014, 06:04 PM #31.
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If you turn the power off to a NVS using a remote switched power point you will have to manually turn the NVS back on.
If you want an NVS in there it needs to be before the remote switch and motor.
ie Mains - NVS - Remote - motor
I wouldn't use the remote PP you refer to for continuous use. It's only rated to 8A (inductive) which means "when connected to stuff like motors with high start up currents" and your DC will certainly be too much for this in the long term.
To handle the inductive load of a CD motor you will need is a 15A remote switched GPO - I believe these are available for a price.
The cheapest solution I can think of is using a $20 bunnings remote (running off a 10A GPO) to switch a mains rated (30A) relay connected to a 15A GPO.
So: 15A mains -> 15A NVS -> 30A Relay -> motor
On a 10A GPO have the remote which switches the 30A relay on and off.
$13 for a 16A NVS, $20 for a bunnings remote, $10 for the 30A relay = all up about $43?
I'd offer to knock it up for you but I am not licenced.
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16th September 2014 06:04 PM # ADSGoogle Adsense Advertisement
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16th September 2014, 11:55 PM #32
Thanks Bob. I am going to have to talk to my friendly electrician to make this up I think.
Glenn Visca
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17th September 2014, 12:29 PM #33
For anyone that is interested - I started looking at prices for 150mm DWV fittings today.
Reece:
* around $35 for 88degree F&F elbow
* around $105 for 6M length 150mm Storm PVC
Blackwoods:
* around $17 for 88degree F&F elbow
* around $105 for 6M length 150mm Storm PVC
Big difference on the fittings !!
Cheers ...Glenn Visca
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17th September 2014, 04:58 PM #34.
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Instead of DWV fittings look for storwater fittings as these are half the price of DWV
look here http://www.pipeonline.com.au/listPro...ORMWATER+BENDS
$105 is still expensive for 150 mm stormwater pipe. I can get it for ~$55.
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17th September 2014, 05:41 PM #35
Thanks Bob. The reason I went for DWV fittings was the larger bend radius - as most information I looked at showed a pretty tight radius for storm.
For some reason - your friends at pipeonline show a picture of a high radius elbow that I haven't found with someone like Vinidex.
Food for thought though !!
Glenn.Glenn Visca
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17th September 2014, 06:14 PM #36.
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If you have the room then 2 x 45º will enable a longer radius of curvature 90º to be generated.
An even lower resistance is obtained by using 6 x 15º bends but this gets pretty exxy and the gains obtained get increasingly smaller by going to more an more incremental bends.
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17th September 2014, 10:12 PM #37
Knocked up a couple of stud walls for the DC enclosure tonight.
Reece HVAC are making me a louvred and course grilled vent 150mm x 500mm which should be ready to pick up Friday or early next week.Glenn Visca
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17th September 2014, 10:20 PM #38GOLD MEMBER
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I'll be following your enclosure build. I'm picking up my materials tomorrow and hopefully start building in the afternoon.
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17th September 2014, 10:22 PM #39
What did you decide to use an external vent groeneaj ?
Glenn Visca
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17th September 2014, 10:34 PM #40GOLD MEMBER
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Using the old ventilation vent (just got to knock a brick out). I'll be running 250mm ducting through the vent and out to the man hole.
I found some ducting on ebay I just got to work out which will work best.
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20th September 2014, 09:15 AM #41
Frame complete. Door jamb in. Rear wall panelled, and 1 side of enclosure panelled before I ran out of light last night.
I also purchased a rubber boot that I can attach to the DC inlet with hose clamps. Seems tight, and 1 turn and its off. I can fix the duct to the wall complete with boot, then when time to empty bags on DC, loosen boot and wheel DC out of enclosure.
Glenn Visca
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20th September 2014, 11:14 AM #42.
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Looking good glen
While I understand why, it's a pity you have to take the DC out of the enclosure to empty the bags. Emptying the bags is a messy business and releases a lot of dust so if most of it can be left inside the enclosure that has to be better than in the shed. After the bags are emptied I'd suggest running the DC for about 10 minute to clear the shed air of fine dust.
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20th September 2014, 12:20 PM #43
Thanks bob ..
Yeah .. you are probably right about emptying in there, but I have made the enclosure reasonably neat, so my recently acquired girth and the DC may not fit in there together. No big deal to take outside the shed ... Which is possibly better anyway ... Better to let the junk escape outside ?Glenn Visca
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20th September 2014, 02:43 PM #44.
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21st September 2014, 09:17 PM #45
Outside cladding done, roof on, door hung .. still to fit stops and knob/lock that I had laying around.
Enclosure roof was going to be too high to llow for fittings out the top, so I decided to put in a dropped bulk head to give a little more room between roof of enclosure and garage roof.
And .. you wouldn't believe it. At Mitre 10 yesterday, I noticed some 150mm storm ... $55 per 6m length!
Still waiting for outside vent, but time to order some PVC and fittings to start the duct work.Glenn Visca
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