Sorry to cantact yuo like this but I saw your name in a carrier string and was looking for some advice.
I have a Carrier thermostat and heating system. (infinity Control SYSTXCCUID01-A, Furnace 58 MPV and 38TDB AC). The thermostat will not permit the opportunity to program the fan speed during heating mode. According to the homeowners guide (page 23), it indicates the programmable fan is automatically defaulted to off. Your dealer will need to turn programmable fan on in the delaer thermostat setup screen. Do you know how to accomplish this? Thank you.Mike Ramos
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Carrier Infinity systems, do not have a manual reset switch. It will have an automatic reset depending on the failure.
I would first, turn off the breaker to the indoor and outdoor units. Wait about 5 mins and turn the breakers back on. Doing this will reset the Control Board in the system. The system itself, is probably locked out.
This should get the system to come back on, However, you may have the problem come back and lock out the system again.
If this happens again, i would advise calling a Carrier dealer with Infinity systems to test it.
There should be a little black sensor bulb outside either on the unit normally under the electrical panel or inside it. It sound like the wire has come off or been disconected. It needs that on to properly run. Your control is trying to communicate with the outdoor unit and can not.
Make sure all wires are hooked correctly ABCD should match. The Kill all power try again. When Infinity control is hooked up correctly it by passes all dip switch so that it can communicate with the tsta furnace and outsid unit. Rus
Not really unless it is 24v control on the new stuff. However it is you can use the voltage from white (or W) at the tstat. You will be using the power supply of the carrier furnace. install a 3 amp fuse. and be prepare to replace the fuse in furnace while testing . The most you can get on those transformers is about 10 mpers @ 24v.
Your old stat is wired for a traditional thermostat and not a communication stat like the new infinity you have. There is a module plug on the furnace board that will need to be connected to the new thermostat for it to work. The wires that are wired now are from a terminal strip inside the furnace. Please contact your local Carrier dealer. They may be able to get that harness for you
The Carrier Infinity has a control board that will flash out a pattern giving you a hint of what could be wrong. To find it, remove the cover off of the furnace and you will see a small round clear window. Look and count the blinks. Then compare that number to the diagnostic chart found on the back of the furnace access cover.
Let us know what the pattern is and we can help you more.