Question about Vulcan AUW230A Heater

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Have a vulcan (901?) gas ducted heater work one day not the next, pilot light is on controller is working at both end burners do not light up fan will run if you push the override button inthe unit, any ideas? gas reg? Thanks Paul

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Posted on Jan 02, 2017

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SOURCE: i have a vulcan freeloader 230 gas hot water

Clean the pilot assembly if has any orange at the tip. If its burning clean and blue, then its most likely the thermocouple. Safer to get a gasfitter to check it out.

Posted on Jul 18, 2009

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SOURCE: Noisy pilot light Vulcan Quasar 40

Simply clean out the jet tube with a fine wire, the sound you hear is the gas blowing by the irregular edges, and swirling and not mixing and producing sound waves, (Bit like a flute) So, you need to clean the tube right out, and smooth off the end again, & sorta "Countersink", Flame the end too, at the end.use a very fine needle file, and make it look like new, that will sort your problem out. Then adjust so you have a good gas flow. Also check out it isn't blocked too.

Posted on Apr 30, 2010

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SOURCE: we have a Vulcan Ultra high efficiency gas ducted heating

Gas ducted central heater won't switch on all of a sudden

Posted on Sep 21, 2010

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SOURCE: my vulcan ducted heating/cooling isnt working the

YES THERE IS MEANT TO BE A PILOT LIGHT,WHERE IS THE UNIT LOCATED ?

Posted on Oct 16, 2010

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I have a Vulcan Ultra 21E ceiling ducted unit The LED flashing fault is no 8 which is a gas interruption. The unit fan runs, ignition starts full flame and gas flows for about 2 secs then shuts down The...


Just been thru a similar problem with my Climate Technologies Vulcan High Efficiency Ducted Gas heater which in this case is installed under the house. This heater is about 7 years old and I have previously (2 years back) refurbished the controller by replacing the main power supply electrolytic filter capacitors.

I also had a communication problem with the Touch pad Thermostat which in the end required replacing the entire touch pad as one of it's voltage regulators had gone intermittent (Touch pads are available on E-Bay). To operate the heater while the touch pad was out of commission I installed a manual switch between the heat contacts on the heater controller. Closing the switch causes the heater to permanently run if it has no thermostat. Once communication with the touch panel was restored we were able to try and find the intermittent heater fault.

Again I have been getting Fault Code 08 "Gas Interruption" however the heater was lighting OK and then going out after about a minute or so. In the end I found 2 distinct heater faults.

Fault 1 was the flame sensor where the weld between the wire and flame probe rod had broken but it was still touching. This meant it was sensing Flame OK and then later would go open with expansion as the temperature rose. I fixed this by replacing the Flame Probe with a new one sourced from Reece HVAC.

At this point I celebrated thinking it was fixed!

Fault 2 after the flame sensor issue was cleared the fault still persisted but slightly less often.
The heater was cycling 3 times to get going and then locking out, requiring a reset from the touch thermostat or heater controller board. Sometimes the heater would achieve a onging burn for a long period, and other times just locking out after 3 tries.

Careful observation of the flame, through the observation holes after it lit, showed correct flame sensing but as soon as the nominal 65C duct temperature was reached the combustion fan (modulates) throttles back too far and the flame goes out, the flame sensor switches off and gas valve is then closed. The pressure differential across the burner manafold controls the Gas flow rate so if the combustion fan goes too slow the flame goes out due to lack of gas.

On the control board there is a potentiometer marked "MIN GAS RATE" this needs to be tweaked clockwise until the burner remains lit when the nominal 60-65C duct temperature is reached. Don't turn it up too far or the heater may not throttle back enough and end up going out on overheat.

Once a stable flame is achieved when throttled, try the heater in the economy mode which uses a lower recirculating fan speed and check the flame still remains lit. My problem was most obvious in the Econ mode.

Hope this helps someone else - It took me over a year to solve this one. NeilP

Aug 21, 2011 | Heating & Cooling

1 Answer

My pilot stopped working on my gas furnace. I changed the filter but that wasn't too dirty. The click goes but nothing happens.


WHEN A PILOT STOPS WORKING, A BIG PERCENTAGE OF THE TIME IT IS THE THERMOCOUPLE, WHICH TELLS THE FURNACE TO ONLY RELEASE GAS INTO THE BURNER WHEN THE PILOT LIGHT IS LIT.
I'D START WITH REPLACING THIS THERMOCOUPLE FIRST. IT IS NOT A VERY EXPENSIVE PART. ITS A SILVER COLORED CORD LEADING TO A SENSOR ABOUT THE SIZE OF A SHORT PENCIL ON THE END. THE OTHER END HAS A BRASS FITTING TO SCREW INTO THE CONTROL UNIT. THE SENSOR IS NEXT TO THE PILOT LIGHT IN THE PILOT LIGHT AREA.

Feb 20, 2011 | Heating & Cooling

1 Answer

Pilot lights but won't stay on in my older style vulcan space heater. thermo couple was replaced last year.any ideas that i could try thanks


Most common cause of pilot light problems is air movement. If your space heater exhausts gas through the roof, ensure the cap is on and level. If not, outside air movement will blow out the pilot. If you do not have an exhaust gas duct, check that the unit is positioned so that it does not blow air back onto itself from walls, furniture, etc, and ensure no other devices that move air are aimed towards the unit. The unit also needs to be placed away from central ducting, including return vents.

Hope this helps!

Aug 09, 2010 | Vulcan AUW230A Heater

3 Answers

GE Hot water heater Model GG40T06TVG00 Won't light. Recent actions: Pressure Release was continually leaking. Replaced with 150lb 3/4" with long neck. Not enough water was drained from tank and upon...


Hello,

If your GE hot water heater fails to light, the first thing you should do is make sure the gas is turned on. Before checking the gas be sure to turn the control knob over to "Pilot." This will prevent the heater from coming on unexpectedly while you are checking the unit. After making sure that the knob is set to "Pilot," carefully remove the cover and look for the flame at the end of the gas line.
If the pilot light is not on, it is possible that the gas inlet valve is partially or totally closed. To check, turn the handle next to the line and follow the instructions on the tank to relight the pilot light. Keep the cover off of the unit and look for the pilot light to go on. If the pilot light does not light, gas may not be flowing. If you suspect a problem with the gas line, be sure to contact your utility company right away.
If you suspect that the burner on your GE hot water heater is not on, remove the cover and carefully look at the burner. If the burner is not on, make sure that the thermostat is set properly. The thermostat should be set to approximately 120 degrees Fahrenheit - if the setting it not right adjust it and then turn on a hot water faucet and allow it to run for several minutes. After the faucet has been running for a few minutes, look at the burner again. If the burner does not ignite, try adjusting the thermostat up and down until the burner comes on.
Good luck.



Jul 04, 2010 | Kitchen Ranges

1 Answer

Burners on our Brivis Buffalo 52 Ducted heater aren't getting gas


test thermosat for proper operation ie-broken wire-power if good jump stat and check if unit goes on if it does than stat internal problem or wiring problem and needs replacement or repair --if stat good check fan safety/high limit sensor if good would need to check and test thermocouple thats the tube that the pilot flame burns on may be enough to keep pilot burning but not enough to open valve for heat demand

May 31, 2010 | Heating & Cooling

1 Answer

Noisy pilot light Vulcan Quasar 40


Simply clean out the jet tube with a fine wire, the sound you hear is the gas blowing by the irregular edges, and swirling and not mixing and producing sound waves, (Bit like a flute) So, you need to clean the tube right out, and smooth off the end again, & sorta "Countersink", Flame the end too, at the end.use a very fine needle file, and make it look like new, that will sort your problem out. Then adjust so you have a good gas flow. Also check out it isn't blocked too.

Apr 30, 2010 | Cozy Enclosed Front Console Heater 20,000...

3 Answers

Vulcan climate control gas heater starts uo and does not stay alight after several attempts controls show reset mode have tried switching on and off does not work


Hi,
There is a troubleshooting (problem solver) guide in the manual... you can see it here.....its the last page.


http://www.bonaire.com.au/lib/pdf/owners/mf228.pdf

If everything there chacks out then look for the thermocouple. I looked around and did not see one for the Vulcan heater. I would call then directly to find a dealer and a part number fo it.

Heatman101

Mar 09, 2010 | Heating & Cooling

3 Answers

We have a Vulcan Ultra high efficiency gas ducted heating


Gas ducted central heater won't switch on all of a sudden

Nov 04, 2009 | Vulcan AUW230A Heater

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