[daysdeepclean]

Are there any concerns or snags with the new Alltec Triple Vac? I'm seriously thinking of putting an order in for one tomorrow because my other motors gone on my set up... 2 this week and I'm a bit disheartened as the machine's done 160 hours and is 12 months old.... The wife will be diheartened too when she sees her half finished sofa :

[Doug Holloway]

Hi Colin

I have not got the 3 vac but have the two vac Alltec and original vacs are still going strong at 1500+ hours.

My Extracta Exel would have used at least 6 vacs by now andf maybe 8 - 10.

Cheers

Doug

[clinton]

Hi colin

Doug is right on the set up he has and i can also say caint remember when the vacs went down on my set up.

As well as having the 3 vac set up i also have an altec twin as a back up in my shed.Isold my last one and also a single vac set up as well as i didnt want to have all the gear hanging around..

Must say am really pleased with my new set up and if you get the 2" hose you wont be disapointed with it mate one bit.

Its already earnt me a nice sum as well

[Gordonnis]

Have you phoned john at extracta and told him about the motors going and asked him why with lower hours, i own an excel and if mine broke down with low hours i would be knocking on this door wanting to know why (mind you i only live 15 min from gateshead )

[richy27]

if you do get it col can i have a sneaky peak one day see it working not convinced i would go for the altec 3 vac machine prob stick to buying from matt at cleansmart but interested in what dif the 2 inch hoses and extra vac make.

[daysdeepclean]

Gordonis, from what I'm hearing and I am slowly understanding, motors should run in parallel and not in series and this could be why I have been in touch with Brian today to ask if my motor from last week is fixed... I've got a few jobs coming up and I'll be giving them all to Neil47 if the motors don't get here soon.

Of course Richard, I'm hoping they ring me back soon so I can place my order.... 3 weeks it's gonna take for delivery.... I'll be counting the days down!

[daysdeepclean]

Well I've gone and ordered my Triple Vac with extra 50' of 2" hose, should arrive in 3 weeks time and my motors should arrive this Friday for the other machine.... My only predicament is, do I sell it or keep it as a back up??? It'll have a spare working vac and a spare working 100psi pump with it.... Mmmm!

I'll be definately keeping the Scrubba but I won't be pumping 600psi through it 

[richy27]

i would keep as backup col when i change in 2 years time will be keeping my current porty for a spare nothing worse than down time saves embarrasement

[daysdeepclean]

It'll be easier to get the Exel up flights of steps and stairs too which I have had to do a few times.... I sort of thought for a split second that I should mybe hire it out at a premium.... But sod that! I don't think that would be viable at all....

[clinton]

Nice one colin wont be disappointed with it.

I would keep your current machine for a back up just in case

Its really quiet as well even when you have all the vacs on 

[JandS]

Motors running in series or parallel, now there's a debate.
The Ninja's run in series the Altec's run in parallel.
Think there both right, you can run them either way.

John

[daysdeepclean]

Someone put a link up a while ago and Amtec discouraged using their motors in series.....

[Ian Gourlay]

Had a bit of a Run in withRobert last week

i asked him for my Green Cleaning Day Certificate.

Apparentley although you attend the day and eat his lunch etc you only get Certificate if you join Success Coach.


Must be in small print . 

Anyway if I dare ask my next question is

What is the water recovery like for tripple vac.

Looking at specifications it looks to me as if the recovery tank is 50% of the Solution Tank.



This means you would need to empty before you have used a complete solution tank.

I may be wrong.

[daysdeepclean]

Rather that than the other way round I suppose I'll let you know how I get on, but most if not all portables have a smaller recovery tank to some extent. My Exel's recovery tank is slightly over 2/3rds the size of the solution tank, 60 litres/41 litres. 

[Jim_77]

The smaller tank is a trade-off to allow the motors to be set in parallel.  The machine is only running with half the vac lift (on paper) of an in-series setup.  The tank volume and hose volume add up together to make the overall vacuum chamber volume that the motors have to expel air from.  The smaller the tank, the less air they  have to expel to create the vacuum.

[Mike Halliday]

I don't think the size of the waste tank will effect vac performance as within seconds the vac will remove all the air within the tank, if the tank is twice the size it might take twice as long but this still would be 2-3 seconds.

I think the problem with series or parallel is more simple. in series they will spin twice as fast, so in an hour they will have have double the wear than a set up in parallel over the same time period.

[Jim_77]

With respect Mike I don't think that's right.  Whether you put 1, 2 or 200 vac motors in series, they will all spin at the same speed.  It's the "strength" of the pull, i.e.e the lift, that is increased the more motors are in line.  If they span twice as fast the airflow would double, which we all know doesn't happen with in-series vacs!

Have you ever worked out the volume of the vacuum chamber in an extraction system?  Tanks and hoses combined, there can be a big difference in overall vac chamber size between different setups.

I feel tempted to do some nerdy mathematics..............

[AJB]

The size of the recovery tank and hoses is important, as the vac' motors have to remove the air to reach optimum lift,
if your cleaning stroke is for example 3 seconds, and the volume of tank and hose takes 2 seconds as a rhetorical figure,
then only 1 third of the cleaning stroke, is at optimum lift. This is why each machine has an optimum hose length, and each extension doesn't reduce lift or CFMs, but increases the time taken to evacuate the tank and hose. This gives the impression of reduced performance, but the same performance is there, it's just not fully attained because you've finished the cleaning stroke long before peak lift is reached.
This is why machines run slightly better when the recovery tank is nearly full. And cleaning with longer hose runs, is slower, as you have to allow for the extra time to attain peak lift.
As for motors not being in series, they do wear out quicker, and Amatek advise you do not use 2 x heavy duty motors in series, this is why Ashbys fit one heavy duty pulling through one standard motor, as when they used 2 x heavy duty they suffered a lot of early failures.

[Jim_77]

OK the inner nerd has got the better of me

50ft of 2" vac hose has a volume of approx. 30 litres.

Let's say you're playing with sizes of recovery tank, that's a total volume of:

80L with 50L recovery tank
60L with 30L recovery tank

The system with the smaller tank is 25% more efficient than the one with the bigger tank.

[Jim_77]

AJ you've answered what I was going to say about "within seconds"... seconds is a long time in the context of a wand stroke!!

Also the flexibility of the vac hose influences the time taken to attain peak lift.