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I have a rth6350d it worked fine until today when i change it from ac to heat now it runs for a sec and then the auxillary heat comes on under the number and i get nothing.

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  • 10 Answers

Seems like the reversing valve cut out the condensing unit. it may be shorted. if not, something else shorted. did you check the main power fuses? if condenser is cut out it will go into resistive heat.

Posted on Dec 03, 2013

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Posted on Jan 02, 2017

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Coldcut
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SOURCE: i changed the filter on

is this a whole house air conditioner ,
if so check the fuse panel,
check to see if the outside unit runs at all , compressor or fan.
check the ac transformer power to the thermostat
check the switch in the ac closet
doe the internal fan run if you switch to fan only.

Posted on Apr 13, 2008

  • 12 Answers

SOURCE: intertherm central heat/ac unit has power but nothing will work

your contactor coil might be burned out

Posted on May 01, 2009

icemelts
  • 246 Answers

SOURCE: I have a carrier 38YC(M) heat pump and trying to

"Two" of the most complicated items that "experienced" Air Conditioning ServicePeople deal with are (1) Control voltage for Heat Pumps and (2) Installing a Programable T-Stat.
My best advice to you would be to find an experienced ServicePerson to wire the T-stat for you. I can assure you that you will save time and possibly money by doing so.

Posted on Jun 12, 2011

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Problem with GE PTAC-Model# AZ28E09DABM2 - Why won't condenser kick on when switching to AC from Fan. AC was working fine until today...Fan is still working...Pulled the unit out and could feel the h


Hummm. A bit difficult to solve this problem. Seems like the condenser outside is not working, I mean the fan of the condenser. Looks like you have a wall A/C and a wall A/C always have condensers outside the house and near the A/C. Have you checked if the fan is spinning? I don't think the compressor is at fault but check it anyway. You should be able to hear the compressor running either in the wall unit or in the outside condenser housing. The only heat you should feel is from the condenser itself. If you blows warm air, that means the fan is working, if not that means the fan is not working. But don't be confused with the fan not working because in winter time sometimes the fan is not working and some times it does. As I said, it's a difficult problem to solve but at least start with checking the situation with the fan in the condenser.

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Just installed rth6350d and hot air nlows out when ac is on


no car , year, or model stated.
and no noun name for rth6350d (what is that)?

my guess is you have A/c issues.

the first check on all AC is
1: is the compressor spinning, not the pulley it always spins but the center SHAFT.
that is 1st. and we work from there. takes 1 second to do and cuts
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May 26, 2014 | Cars & Trucks

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Mclouis tandy 672


Sound like you have a ground problem. If you hook you system power from one to another, then you need to carry the ground wire as well.

Apr 20, 2014 | Vehicle Parts & Accessories

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We have a new a/c and the system has heat strips. For a/c. we have had the thermostat set on AC at 72degrees. Now that it is getting colder and may need some heat in the house, do we switch the...


If your thermostat has an emergency heat setting this means you have a heat pump system.
Yes you need to set the thermostat to heat for heating the house.
The emergency heat setting should never be used unless your outside unit is not functioning.
The emergency heat setting overides the heat pump (the outside unit will not be energized).
The emergency heat setting will run the auxillary heat (heat strips) only.
When the thermostat is set in the heat position the heat pump will run to heat your house.
If the heat pump can't keep up (extreme cold) then then the auxillary heat will kick in to augment the heat pump until it satisfies the thermostat settings. If your room temperature gets 2 degrees below your thermostat setpoint, your auxillary heat will kick on. Example, say you are going to be gone a couple of days and you turn your heat down to 60 degrees. When you return and it is 60 degrees in your house, you turn the thermostat up to 70 degrees. Since you are turning the temperature up 2 degrees or more (10 degrees in this case) from the 60 degree room temperature then the heat pump will come on and the auxillary heat strips. The unit will continue heating like this until the temperature in the house gets to 69 degrees and the heat strips will turn off and the heat pump will continue to run until the 70 degree setpoint is reached.
Hope this helps.
SeagullAC

Sep 15, 2011 | Heating & Cooling

1 Answer

I have a carrier 38YC(M) heat pump and trying to install a programmable t stat (honeywell RTH6350D). One of the setup steps asks what kind of pump it is: with out without backup or auxillary heating,...


"Two" of the most complicated items that "experienced" Air Conditioning ServicePeople deal with are (1) Control voltage for Heat Pumps and (2) Installing a Programable T-Stat.
My best advice to you would be to find an experienced ServicePerson to wire the T-stat for you. I can assure you that you will save time and possibly money by doing so.

Jun 12, 2011 | GE Heating & Cooling

1 Answer

I have a Select Comfort 2000 thermostat. I just replaced new batteries couple days ago. The past week my heat will be working fine all day and/or night then suddenly it will not kick in and the aux light...


Sounds like you have a heatpump. Is that correct? When it gets under 35F or so the heatpump just isn't able to keep up with the heat demand and will require help from a backup source such as electric strip heaters. The way the thermostat works is that the heatpump will work until room temperature gets 2F to 4F below what you have the thermostat set for, the Auxillary heat will kick in to help out. I think I am answering your question, please let me know if I have misread your problem and I'll try to come up with something else.

Dec 05, 2010 | Heating & Cooling

1 Answer

Can somebody help,why is my Central AC blows


Most heat pumps have an auxillary heat. Many are electric auxillary heat with a heat strip in the air handler. A common malfunction is for the electric auxillary heat to operate when the heat pump is set on cool. To confirm this, locate the conductor that runs from the heat sequencer to the connection on the heat strip. You will see this on the top section of the air handler. Use the clamp on part of the amp meter over that wire. If the thermostat is set on cool and the heat strip is drawing amps, it means the heat is coming on while the heat pump is set on cool. There is usually one or two causes for this, either the sequencer is bad or there is low voltage wires usually behind the thermostat or in the air handler closet that are touching that shouldn't be touching.

If this is not the case, if its not a problem of where the heat is coming on with the air conditioner, it could be a case of the reversing valve malfunctioning. The way a heat pump works is it reverses the flow of the refridgerant. For instance, many heat pumps the reversing valve is activated in cool. That would mean that there is a low voltage circuit that activates the reversing valve when the heat pump is in cool. I'm not sure what model/brand your heat pump is, Goodman and Janitrol for instance, the heat pump reversing valve is activated in cool. In any case, if the reversing valve is not operating properly, when the air conditioning is set to cool it will actually be heating. Or you could set it to heat and it may actually be cooling instead of heating. Please check these two items first and if you have any further questions, please let me know. Especially if you know of any additional problems like the evaporater is icing up or if the air handler fan is not operating when it should.

Aug 31, 2009 | Heating & Cooling

1 Answer

Thermostat just stopped working.


is the tstat in cool mode? if not hit the mode button untill cool pops up then hit the down airow untill desired temp. sometimes the thermostat has a 5 min delay so be patent. If unit still does not run call the service co. and find out about how long they warranty their service call. usualy one month.

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