Question about Broan-NuTone CV353 Central Vacuum

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The system was removed to another location and one

The system (nu tone vac sysem cv353w) was removed to another location and one hose hook up was moved to another wall, now the system will not come on when I plug the hose in unless I turn it on by the buttom on the unit, do you think maybe that the the hose hook up that was moved to another wall was not hooked up right, because none of the hose hook up are working as they once did in the house. could moving just one hose hook up to another wall mess up the whole house hose hook up if it was not done right?

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  • Chemist1961 May 11, 2010

    Each, "hose hook up is called an inlet and is wired to a circuit running back to the vac. So moving that vac or one inlet caused a change in the wiring. You need to turn on the vac and first test that each inlet still has suction. Tthen you need to backtrack on the changes which wee made to ensure there is a wire connection running from each inlet to the vac to the main wire which runs to the vac. Behind each inlet in the wall there will be a paired wire which should be connected to two screws on the back of the inlet and then runs from the inlet back along the pie and to the vac. Each inlet should have at least one set of this wiring running back and connecting into the vac wiring. Check it out and post back

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Yes it could. It sounds like your low voltage wires are not hooked up properly. You need to get your contractor back out there.
Joe

Posted on Nov 15, 2009

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1 Answer

Problem is system cuts off after 10-30 seconds. Is this a common problem?


It is if the motor overheats. Overheating can be caused by several things. Clogged pipes, hose, wands, or power nozzle, or a dirty filter are the most common.
First, disconnect the hose from the wands, plug the hose into the wall outlet, and check the suction. If it's weak or non-existent, there's probably a blockage in it. You can double check by dropping a coin in one end and lifting the hose until the coin drops out the other end. This can best be cleared by using a shop vac or air compressor to blow air through it from the wall end. Plug the shop vac hose into the exhaust port, with the other end in the wall end of the hose Turn on. If this doesn't clear it, you'll probably need to take it to a repair shop.
Visually check the wands. If clogged, simply push it out with a broom handle.
With the wand detached, drop a coin into the wand opening of the power nozzle. If it doesn't fall through, use a wooden spoon handle to push the clog back through toward the brush. Clear it from there.
Check the filter. Remove it and rinse thoroughly. Allow it to air dry thoroughly before reinstalling.
If none of these help, the vacuum needs to be taken to a repair shop for diagnosis and repair.

Jan 20, 2011 | Broan-NuTone CV850 Advantage Bagged...

Tip

How to diagnose a clog in your Central Vac and how to remove it


Symptoms of a clog
Low Suction/No Suction
No suction at Inlet

Tools required
Wet/Dry Vac or vacuum with decent suction and a hose
Phillips Head Screw Driver
Metal Coat hanger (straightened out)
Flashlight

First things, first, make sure your canister is empty at the unit. I know, most people would have already checked this but I have been to a lot of client's homes and this was the issue. They were full or almost full. So just check it before you go to do anymore diagnosing. I suggest emptying it anyways, this way you can see what you clogged in your unit

Now if your machine has a utility valve on the unit turn on the manual over ride switch on and lift the utility valve and if you have suction your machine is fine, you have a clog. If you have no suction or poor suction
-Canister not attached properly
-Filter clogged
-There is a disconnect of pipe within your walls (I've seen it and it renders your system useless and is going to be expensive to repair the system)
-Your motor is going in your system (Your vacuum should sound like grinding metal and chances are it's throwing sparks and smells of burning electrical, turn the unit off immediately and unplug power cord) Your unit will need a new motor or you will need to replaced the whole unit. Sometimes can be cheaper to replace the unit.

So now back on track here, we are going to say the vacuum has great suction and is running smoothly.

Check your hose for clogs, easiest ways are to plug the hose into the utility valve and turn on the machine manually at the switch.
If you do not have a utility valve on your unit (this is where the other vacuum comes into play) plug your central vacuum hose on the end of the shop vac hose. Most hoses are standard and slip right on over the end of a shop vac's hose end (1 1/4 inch end). Turn on your shop vac and feel the suction at the end. It may not be as powerful as your CV but it should be comparable.

If the hose checks out to be free and clear we have a clogged system.

Now lets move to the inlets throwout your home, first we are going to plug our hose into the inlet that is nearest to the unit. If there is little or no suction we know there is an issue either in the distance between the nearest inlet or there is an open/broken valve.

Open/Broken valve (CV will not provide optimum suction with a open/broken valve)
-Plug the hose in and activate unit
-Check all inlets for proper seal, you will hear an annoying whistle or you will hear a gust of air from an improper inlet door closure. (Do this as quick as possible, if it is a clog you are putting strain on your motor, but if you vacuum on a regular basis chances are you know if there are whistling noises or missing pieces of an inlet. If you are missing an inlet door, replace the inlet. If all is checked out to be good, lets go back to unclogging again.

If there is suction at this inlet you know there is no clog between this inlet in the unit, try all inlets from nearest to farthest away. If you try your next inlet and have weak to no suction you found your point of a clog. This is where you will start to unclog your unit.

Take the hose end of your shop vac and insert it into your inlet. Turn the shop vac on and remove the hose quickly to create a seal and lose a seal. You should start to hear items moving through the line.

Now take your CV hose and insert it into this inlet, activate your CV and check suction if there is more suction, your slowly making progress.

Take a flashlight and look into the inlet to see if you can now see the obstruction. If you can, get your coat hanger out and go fishing. It may be easier to remove the inlet from the wall. Your basic valve is safe to remove. If you have a supervalve, do not remove, there is high current installed in the upper portion of the inlet for your power nozzle.

Repeat the Shop Vac suction and stop and the CV suction and stop until you clear your items.

This is going to take a few minutes of tugging between two vacuums. Eventually it will free if it went in, it has to come out. At the end of the day your basically playing tug of war between your Shop Vac and CV. But if all goes to plan, the clog will end up in your shop vac or in your CV unit.

Good Luck!

on May 13, 2014 | Vacuums

2 Answers

How do you hook up the hose


Hello There,


Here's instructions on how to use the hose assembly on your Hoover SteamVac Dual V:


vacuumrepair_3.jpg
UNPLUG THE UNIT FROM THE WALL.

Attaching The Hose
  1. Open Hose Connection Port (Figure A).
  2. Insert Short Hose End, Matching the tabs on the hose with the same-sized slots in the connection port.
  3. Plug Hose into Port and twist to lock it in place.
  4. Plug the solution Tube that protrudes of the suction hose into the solution connection port (Figure B)


Removing the Hose
  1. Squeeze Latches (Figure C) on top and bottom of the hose. Remove hose from port. Close the Hose port door.
  2. Remove the solution Tube from the Solution connection port by pressing on the white latch.

I hope that this answered your questions. If you have any other questions on hose to use your hose, please feel free to use the comment box at the bottom of the page. I'm always happy to answer any of your follow up questions. If you found this repair helpful, please be so kind and rate the repair helpful, or by leaving feedback. This is very appreciated by the FixYa community and is what keeps repair experts like myself continue to answer free questions, instead of just answering the premium questions in which you have to pay. Thanks so much.

Chris Jones
GoVacuum.com

Jan 07, 2011 | Hoover Steam Vac Dual V w/ SpinScrub...

1 Answer

Switches will not turn off unit. model #cv450w


If the switches on the hose will not turn off the vac you have a short in the wiring of the vac pipe system or a defective relay on the circuit board. Plug the vac in again without the hose and disconnect the thin low voltage wiring were it plugs into or screws onto the vac.
If the vac continues to run once disconnected from the low voltage circuit you have a defective relay in the vac itself. Some are circuit board mounted , others freestanding. To avoid a service call you can take the tank off the wall and take it to a pro shop or remove the top hosing if you are confident and check out the relay for a replacement part.
If the vac stops your issue is in the house. Has any painting been done or any inlets removed lately.. check that area first for a short at the inlet. Go back to any and all inlets and remove them one at a time checking the mounting screws and backing plates for loose wiring which is touching either the metal inner wall plate in the wall or a common screw . Test the vac as you go.
If this does not help, you will need to examine the wiring in the house , running along the pipe. Again if anything has been disturbed recently, near the vac, or near any piping that would be your first suspect area.
Post back to advise.

Oct 18, 2009 | Broan-NuTone CV350 Central Vacuum

1 Answer

Hush - Insufficient suction


You need to approach this step by step. If you have insufficient suction at all locations you need to check as follows:
1. Hose, drop a coin through from the handle to the wall end, with the hose detached from the wall. If the coin goes through from one end to the other the hose should be clear. If the coin stops it will rattle inside where the obstruction is if you gently shake the hose you will feel it through the wall.Obstructions in hose or pie need to bee **** wards out of the hose or pipe.
2. Vac. Go to the vac itself and see if the onboard inlet has suction. If it does your problem is beyond the vac. If not your problem may be a leak, either a broken inlet, with a cracked or sagging door or jammed hinge, a clogged intake in the vac, or damage to the pipe within the house or a twisted gasket where the pail of the vac secures to the body, or an issue with the motor itself..
3. Take the hose, inlet to inlet and check all locations in the house. I mark a tissue with a number for each inlet and plug in the hose, one inlet at a time. If the tissue makes it all the way to the bucket from each location, that means the branch line for that location is clear. I work from the closest inlet away to the furthest checking for tissues one inlet a t a time. This will help pinpoint location of any blockage in the main line.
4. If you have had any renovations or painting done it is not uncommon to disturb the seal behind and inlet or pierce your piping with a nail or screw. Check for all these and post back to say waht you have found.



Sep 27, 2009 | Hoover S5636 Hush Central System Vacuum

1 Answer

My Kenmore Progessive vacuum wand does not have any suction. How can I repair it?


Detach the wand from the hose and see if you have suction from the hose itself. It is more often the blockage is in the corrugations of the hose than in the wand, but also check the elbows of any tools attached to the wand and look thru the wand itself..
Anything caught in the hose should be sucked backward with another vac.
Try opening the dust container, remove the bag if there is one and drop a coin through the hose to locate blockage. The coin will come to rest against the blockage if there is any or drop thru..
If you shake the hose you will locate the blockage by feeling the vibration of the coin against the wall of the hose.This will pinpoint your problem area.
Caution rough use with a wire coat hanger could damage the hose and broomsticks get stuck. Use another vac if the hose is blocked.

Sep 13, 2009 | Vacuums

1 Answer

Nutone CV556 Vaccuum Cleaner -Continuously running


Start with this. Unplug the vac to shut off, then disconnect the low voltage wiring at the vac.Plug the vac back in. If the vac still runs you have an internal short on the relay or wiring inside the vac.
If the vac stops then the vac and final wiring is OK and the problem is in the wiring in the house.
Have you removed any inlets for painting or had any renos done or pictures hung. If so undo what you did last. If inlets were disturbed remove them and look for low voltage vac wires touching metal backing plates in the wall or touching the inlet mounting screws.
If you have done a reno or hung pictures you may have pierece the wire for the vac creating a low voltage short which will keep the vac running until removed. I have seen this happen with freshly installed 1/4 round molding along a baseboard

Sep 07, 2009 | Broan-NuTone CV556 Cyclonic Bagless...

1 Answer

Hayden 6000+ wont run


Define hose works or doesn't, no suction, hose will not activate vac , etc.
Test the vac by shorting across the low voltage terminals where they enter the machine. If the vac works here your problem is in the internal wiring, at the valve or the hose to wall connection. If the vac will not run, you will need to check the motor for continuity across the motor leads.

Apr 18, 2009 | Hayden Industries SuperVac 6000 Central...

1 Answer

Nu-tone 475 keeps running even without hose plugged in.


If the central vacuum tank will not turn OFF even with the switch in the “OFF” position, then the low-voltage wires should be disconnected from the tank. Once this is done, if the tank continues to run and cannot be turned off with the switch, then most likely the relay inside is defective and needs to be replaced (but it could be a defective and/or shorted ON/OFF switch). If with the low-voltage wires disconnected at the vacuum tank, it can be turned off with the internal switch, then either there is a short in the low-voltage wires, or else there is a hose still plugged into an inlet somewhere. ~ TTURAMBAR

Nov 11, 2008 | Broan-NuTone VX475 Bagged Central System...

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