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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I replaced the thermostat and the air works. we did not try

Customer Question

I replaced the thermostat and the air works. we did not try the heat as it was in summer. New when we try to switch to heat the furnace does not come on
JA: Did you double-check the thermostat's settings? And what about the filters?
Customer: yes on both
JA: Do you plan on doing the work yourself?
Customer: yes, my son has same thremosat and he hooked it up
JA: Anything else we should know to help you best?
Customer: the wires from the unit are as follows there is a red, and a blue,a white and a green
Submitted: 15 days ago.
Category: HVAC
Expert:  airheatman replied 15 days ago.

Give me model on thermostat and tell me how you have wired.

Customer: replied 15 days ago.
RTHL3550 using top letters white or biege -y2 green to g- blue to-y- r to r
Customer: replied 15 days ago.
what should I do now
Customer: replied 15 days ago.
will the technician call later?
Expert:  airheatman replied 15 days ago.

Try moving white over to W on thermostat and let me know if that works.

Customer: replied 14 days ago.
I received a email tellling me what to do and i did what it said and the theat came on No need for help at this time.
Thank you
Expert:  airheatman replied 14 days ago.

Did you move the white wire over to W and is that what corrected problem?

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