Question about Dayton Gas Furnace Heater

1 Answer

Furnace fires up and heats to desired heat setting and burner shuts down , but the main blower continues to run on.

Posted by on

Ad

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

  • Dayton Master
  • 2,550 Answers

Its the fan control AFC not shutting off , it comes on at temp rise say 150f drops back to 130f with fan on , burner shuts off fan runs untill temp falls to 100f the fan shuts off in this case it keeps running

Posted on Nov 13, 2010

Ad

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
New users get 2 Free calls (no credit card required) and instant help on almost anything you can think of (from cars to computers, appliances, handyman, and even pets).
click here to download the app (for users in the US for now) and get all the help you need.
Goodluck!

Posted on Jan 02, 2017

Ad

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Pilot and burner light then gas shut off model 7900


How many degrees before it reaches desired temp, does it shut off? A thermostat is designed to shut the furnace off a couple/ few degrees before it reaches set temp. It has what is called a heat anticipater, which shuts the burner down, and lets the blower use the remaining heat from the heat exchanger to bring it up to desired temp making it more efficient. If it is more than a few degrees, replace the thermostat. You can jump out the red and white wires to confirm the faulty thermostat. If by doing this, the furnace never shuts down, until you separate the red and white wires. That confirms a faulty thermostat. Hope this helps someone.

Oct 06, 2014 | Coleman Propane Forced Air Heater...

1 Answer

Hi I have an xl80 the burner lite and heats up till at desired temp, after burner goes out the fan keeps on running 15 minutes or so. If I go down and shut off power switch to furnace then the fan shuts...


Hi, sounds like you have a problem with the heat anticipator in the thermostat. If you replaced the fan limit, and with it running that long after the burners shut down, it would be in your stat. If it fires up after resetting breaker, was the stat set to call for heat? If not, the stat is faulty. If you remove the front to get to the stat wires, take a jumper wire and jump from RH or RC to W. Heat will start. Let it run for a minute or so and remove wire. If the fan shuts down with in a min. or so, you will know it was the stat. Good Luck and let me know the out come!
Shastalaker7
A/C, & Heating Contractor

Feb 11, 2011 | Heating & Cooling

1 Answer

Fan runs long after room reaches desired temp. heat goes off and fan continues to blow cold air, have a protech 520 thermostat


Is your 'Heater' you are talking about-- A furnace-- with a burner and a blower?

Either way-- We need to adjust a control that determines WHEN THE FAN RUNS--

Most furnaces have a section where the heated air collects, and there has to be a sensor in that chamber, that senses when that air is warm enough to circulate around--- and when the burner shuts off, the air in that area cools down, and the sensor should shut off the fan-

Can you find the Heated air area?-- and can you find a temperature control in that area?-- Can you adjust the control, so that it shuts off the fan when the air temp drops to 100- to 120 degrees F...

Tell us more about the type of furnace/heater we are workig with, so I can better help you-

Tell us more

Mack B

Jan 18, 2011 | Heating & Cooling

1 Answer

I have a builder installed Goodman GDS80904BHA that is approximately 5 years old. Recently, when the furnace completes a heat cycle, approximately 1-2 minutes after the cycle has completed and after the...


I would guess that the fan off setting on your limit is set a little to high. If you have the manual you can see what it says about changing the running time for the fan after the burner has shut off look on the control board and you should see two switches,one to set the time for burners to fire before main blower starts and one to set time for fan to run after burners shut off. To help with the problem you are describing set fan run time up so fan wii run longer. Hope this helps. Thaks.

Nov 22, 2010 | Goodman GDS80904BNA Open Flame Heater

1 Answer

When furnace runs blower won't run.as soon as furnace stops blower runs. They never both run.


Sounds like fan limit switch/fan timer

This will cause the main burner to run untill the over tempreture switch is tripped therefore shuting gas supply and running fan on high till over heat condition is resolved then it will restart burner and repeat
continuing to run heater like this will cause heat exchanger split.

May 13, 2010 | Heating & Cooling

1 Answer

I have a technical question regarding implementation of my Carrier furnace within my residence. Specifically, the furnance has been installed for 17 years and I have not had any problems with it. I have...


Thats a safety.

The unit senses a failure to ignite, so it goes into safety mode keeping the blower running to prevent overheating and fires. And keeping the inducer motor running to prevent the same, as well as raw gas build up inside the unit.

The newer systems are "smarter" and can detect more specific problems and failures. The older ones simply know that the thing didn't light, so they bring on the fans for safety.


Jan 01, 2010 | Carrier XHB123D X/Y Series Heat/Cool Air...

2 Answers

I have a GMP100 furnace and I replaced the control board because the blower fan wouldn't kick off now and then. It all works great but the main blower only stays on about 45 seconds after the burner turns...


Check the board for a set of dip switches. Check against the old board for switch positioning. These control fan on/off times. Ensure you turn power off before changing switch positions. If no dip switches,??

Dec 04, 2009 | Refrigerators

1 Answer

I have a comfort zone furnace. If it's 50 degrees in the house, and i set my thermostat to 70 or so,it takes at least 24 hours to reach 70 degrees. The furnace starts up and runs normally for about five...


When the thermostat calls for heat it should run until the room reaches the temperature setting then shut off. Is the blower motor running and can you feel air coming out of the vents? It sounds like the blower is either not running or putting out enough air to keep the furnace heating. The blower moves the heat from the heat exchanger to the room, if it can't remove enough heat from the heat exchanger there is a limit switch that will shut the burner off if it gets to hot and that's what it sounds like is happening.

Apr 25, 2009 | Heating & Cooling

1 Answer

Main limit switch


I am providing some information, but I encourage you to have a furnace technician look at your furnace. The reason is; the limit switch trips when there is a problem that may present a fire or combustion hazard. I've seen these switches go bad, but not very often. Usually they are tripping because the plenum is sooted up and excessive heat builds in the combustion chamber. This is common in older furnaces that have pilot flames- the flame runs all year and soot deposits in the plenum, plugging the air flow through the combustion chamber after years of use.

The limit switch is a safety control switch located on the furnace just below the plenum. If the plenum gets too hot, the limit switch shuts off the burner. It also shuts off the blower when the temperature drops to a certain level after the burner has shut off. If the blower runs continuously, either the blower control on the thermostat has been set to the ON position or the limit control switch needs adjustment. Check the thermostat first. If the blower control has been set to ON, change it to AUTO; if the blower control is already on AUTO, the limit switch needs adjusting.

To adjust the switch, remove the control's cover. Under it is a toothed dial with one side marked LIMIT; don't touch this side. The other side of the control is marked FAN. There are two pointers on the fan side; the blower goes on at the upper pointer setting and turns off at the lower pointer setting. The pointers should be set about 25 degrees apart. Set the upper pointer at about 115 degrees Fahrenheit and the lower one at about 90 degrees Fahrenheit.

Mar 15, 2009 | Heating & Cooling

Not finding what you are looking for?
Dayton Gas Furnace Heater Logo

259 people viewed this question

Ask a Question

Usually answered in minutes!

Top Dayton Heating & Cooling Experts

Paul Carew

Level 3 Expert

2550 Answers

Mack Baxter

Level 3 Expert

383 Answers

Dan Webster
Dan Webster

Level 3 Expert

8220 Answers

Are you a Dayton Heating and Cooling Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...