Question about Cozy Heating & Cooling
Shut the power off. Pull the thermostat off the wall and jumper the two wires, meaning put them together. Turn the power back on and if the heater works fine its in the thermostat
Posted on Dec 08, 2017
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Posted on Jan 02, 2017
Make sure all the wire connections are good and tight. Next lift off the cover and look for a little thermal disc mounted up by top of the heat exchanger. Most have a re-set button but not all. If you have this ,by-pass it ,see if that solves the problem, if so it may be defective, or doing its job and you have a venting problem. If you don't have this and have changed the thermocouple (was it a copper tube with a fitting that screwed into the gas valve, or did it have 2 wires, that is a pilot generator, kind of same thing) make sure the probe is set correct, with the pilot flame heating the top 1/3rd of the probe. The only thing left is the gas valve.
Posted on Dec 25, 2007
how by extending the duct work will it make the gas valve work ?
if the pilotkeeps going out clean pilot jet , or if the power unit has gone in the gas valve then you would have to change the valve , don't get the flue bit ?
Posted on Feb 24, 2009
Sounds like to me that the pilot ignition is not lighting pilot lite. You have to be careful when jumping out the stat that you jump the right wires.It must be an automatic Ignitor, or push button.I would change the module out. That should take care of the problem. Look at the schematics so you know what to look for. Please let me know, Sincerely, Shastalaker7
Posted on Nov 07, 2009
Hi, I just helped a gentleman go through to solve problems on 11 of these wall heaters he had lined up in a row, so this should not take to long. It is a good sign that the pilot is lite and stays lite. If the burner is not firing up on a call from the thermostat, if you will follow my steps you can fix this. You may need to get back to me after I have you check a couple of things. First, go to the T-stat and remove cover. Then with a small bladed screw driver, lossen screws to remove the T-stat its self. This will leave the sub-base and you will see the 2 wire connections. Should be a red and white wire. Could be different colors but this is standard colors. What we are doing is, by passing the thermostat completely to see if it is faulty. Find a piece of electrical wire or even a piece of speaker wire will work as long as it is split down the middle to make one wire. Why, is because we are going to jump from one terminal to the other. The wire must be bare on each end, the insulation removed. Dont worry as this is a milivolt unit and there for you will be in no danger of shock what so ever, trust me. Take the wire and touch and hold it to one of the terminals that have a wire to it. Now take the other end and touch it to the other wired terminal. The heater should fire right up. If so, the T-stat is faulty and you need a heat only milivolt thermostat you can get at Home Depot or any hardware store. If it does not come on, follow the 2 thermostat wires down to where they connect to the main gas valve and do the same there. Jump them out like you did. If it fires up then, the problem is with the 2 wires in the wall, and you will need to pull new wire through from the stat to valve. I don't think this is the problem though. Make sure if your gas valve has the knob type on it, it is turned to the on position and not pilot. You may have an open high limit switch located at the upper part of the heater. It is a round disc with the same wire connected to one side and comes out the other. If the heater were to over heat for some reason, this would open its contact and shut the system down. A safety switch. Do the checks I have asked of you and this should solve the problem or show you what is wrong. If not contact me and we will go from there. Let me no one way or another please. Good Luck.
PS You can do this, I have confidence in you!!
Posted on Jan 19, 2010
could have a faulty gas valve which may let in to much gas.extra load from the stove may be correcting this.
to much gas /too rich a mixture can affect internal temperatures causing thermostats to fail.
does the stove burn a nice strong bright blue flame?.
hope this helps the mystery
Posted on Dec 19, 2010
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