Question about Reddy R155D Utility Heater

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REDDY HEATER R165AT

MY R165AT WILL NOT FIRE UP. I HAVE POWER THRU CORD TO THERMOSTAT AND TO PANEL, THERMO HAS CONTINUITY. HOT SURFACE IGNITOR IS IN GOOD SHAPE. ANY HELP WOULD BE GREAT ITS GETTING COLD AND SNOWY
THANKS
RAN12GER

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  • RAN12GER Dec 04, 2007

    would that keep the hot surface ignitor from heating up though---i'll try it thanks

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In order for the unit to fire up, the little air compressor on the rear of the fan needs to provide 3.6 lbs of air. if your nozzle is clogged it won't fire. for more troubleshooting tips try www dot desatech dot com. this is a site for reddy heat products and parts.

Posted on Dec 04, 2007

  • THOMAS MIERZWA
    THOMAS MIERZWA Dec 05, 2007

    the hot surface igniter operates off the control board. there's a small troubleshooting section on the desatech site. it shows two different types of control board hookups.

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1 Answer

Do you have a pre-start checklist?


Pre-start checklist?

I assume the heater ran fine last season. If so, assume it will run fine this season. Simply remove the top cover, check the combustion chamber area for signs of visitors such as mice, wasps, dirt dobbers, etc. Remove debris.

We always drain the old fuel & start fresh.

Replace the top cover and fire it up. If it runs fine then leave it alone. If it won't continue to run troubleshoot and find the problem.

Troubleshoot a spark plug type heater http://www.reddyparts.com/SP_tips.htm

Troubleshoot a hot surface ignitor type heater http://www.reddyparts.com/HSI_tips.htm

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1 Answer

My reddy heater comes on and burns perfectly for up to 30 minutes then it shuts off and blows smoke for a couple of seconds before it completely shuts down.


This doesn't help. There at least 4 60k Reddy Heaters models -some are spark plug heaters, some have the new Hot Surface Ignitor technology. All heaters have specific model. Without you knowing the model I can't help, sorry.

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1 Answer

HAVE REDDY 55, I GET NO FIRE TO THE SPARK PLUG,


Hi,
Here are a couple of tips that I wrote that tell you how to troubleshoot aTorpedo or Reddy heater...

Reddy Heater - Troubleshooting Torpedo Heaters Torpedo Heater Pump Pressure Adjustment
heatman101

//....

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1 Answer

When heater starts it does not always light, I get a C3 code


the ignitor is faulty, mine also did that and I noticed one night that it was shorting out right from the ignition box. I put in a new ignitor and flame sensor and it's fine now. All ignitors are basically the same you just have to do some creative wireing. reddyparts.com still has most parts for your heater.

Jan 20, 2009 | Reddy Heater-170,000 BTU Kerosene Deluxe

1 Answer

Heater shuts down prematurly


If the heater runs fine for the 15 or so minutes without smoke/odor- do this
  1. check for water droplets on bottom of tank
  2. check for restricted fuel filter
  3. test photocell
  4. test safety control (reset)
You don't state whether this is a spark plug heater *or* Hot Surface Ignitor type. I made the assumption you were inquirung about a Spark Plug Heater. Disregard the list if the heater is an HSI type---- troubleshooting is different.

More troubleshooting tips for a Spark Plug Type heater

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1 Answer

Furnace will not come on but thermostat is showing information


turn off power to furnace and open the front panel and see if you can see burners and gas valve and Hot surface ignitor.
If you can. turn furnace on and watch to see if the ignitor glows.
Let me know what you find. If it doesn't glow you probably have a faulty Hot surface ignitor.
If I had make and model number I should be able to find the part

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2 Answers

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Does your heater use the older spark plug technology or the newer Hot Surface Ignitor (HSI) technology?

Without this critical information about all this technician can do is guess.

My best guess at this time would be either water in the fuel or a restricted fuel filter.

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2 Answers

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what kind of ignition is it? spark or hot surface igniter? the photocell just detects the flame. it causes the controller to go into lockout if it doesn't detect a flame. a hot surface igniter uses 120 volts to operate, again off the controller.

Nov 20, 2007 | Reddy R155D Utility Heater

1 Answer

Reddy heater model 28725


propane heater uses a hot surface ignitor. this operates off 120 volts and glows red/orange when actuated. it stays lit throughout the heater on operation.  on the backplate of the combustion chamber is a high limit with two wires coming off it.  these two wires connect to the spade connectors on the flame detector cappillary.  Once you establish a fire, the flame detector generates a 750 millivolt signal which is applied to the pilot/main valve assembly.  My diagram will show this. 1fa8284.jpg

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