Question about Heating & Cooling
Hi, I have an old Pyrox Firestar LN 323 m and can see through the bottom grill to a filthy fan. How do I reach the fan? How much of the heater do I need to take apart? Also wondering if this could be causing a yellow pilot flame or is there an adjuster somewhere to make the pilot burn blue? I'd be very grateful for any help. Thanks, Fiona.
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Posted on Jan 02, 2017
SOURCE: yellow pilot on heater
posted on May 06, 2008
Rating: 90%, 19 votes
All it needs is a good blow out with compressed air. They tend to carbon up in the pilot light area. You will probably also find it is very dusty inside. Easiest way to clean the carbon out is to remove the hose at the heater and with compressed air blow through the fitting where you have removed the hose. Make sure you hold down the start button so the air can get through to the pilot light and jets. Don't connect the electricity for the fan when you do this. If you can get to the top of the pilot light it may help to give that a blow out too.
To clean it out internally you only need to remove the front panelling. Just follow the screw configurations *** you go. I asm not familiar with that type of heater so thats about the best I can do. Regards Bryan
Posted on May 07, 2008
SOURCE: My therma gas heater will
You need to replace the thermocouple. This is a small metal rod that is positioned in such a manner that when the pilot light is burning, the flame is contacting the thermocouple. When heated by the flame, the thermocouple produces a very small amount of electricity that it sends to the gas valve. The valve then interperets the electricity as confirmation that the pilot is burning and it is safe to conitinue delivering gas. Thermocouples wear out and stop producing power. The gas valve thinks that the pilot has gone out and thus turns the gas off for safety.
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Posted on Jul 05, 2008
SOURCE: Marvin Box Fan Cleaning
It has six phillips-head screws around the perimeter. Loosen all six screws and the halves separate. Be careful loosening the screw that holds the motor in place - I ended up stripping the head. If you can use a vice grip to get it started, that may help.
Posted on Nov 01, 2008
The insert sounds like the cap covering the adjustment screw. Pin hole is for cap removal. Wondering why flame is so high?! Shouldn't have orange flame. If heater doesn't light with lower flame... thermocouple (thing that the flame heats up) may be bad.
Posted on Jan 03, 2009
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The pilot light has a thermocouple that allows gas to the pilot light while the flame is burning. If flame goes out it shuts gas off to the pilot jet. The thermocouple is bypassed by a switch during the initial ignition and once the thermocouple warms up after a minute or two of holding in the bypass switch, it should maintain the pilot. It seems that your thermocouple is faulty and needs to be replaced if pilot light keeps going out.
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