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rocstar · Jan 9, 2009, 07:21 PM

I just spent a lot of money to upgrade my heating system. I bought a carrier mvc 100 gas furnace, air purifier and humidifier. They ripped out my old ducts and put in new 2 zone duct work. They also installed 2 edge tp-pac01 thermostats. My house is now cold. With the old system I kept my heat at 68 to 70 I am now keeping it at 72 to 73... I am wondering if this is the right thermostat for this gas furnace which is 3 stage. Also since the thermostat is a 2 part unit,they have the control module fastened to the return duct in the basement underneath the thermidistat... The installer sayd nothing is wrong.. Can anyone give me guidance??

KC13 · Jan 9, 2009, 09:46 PM

The furnace is equipped with a diagnostic LED. Remove the front panel and check for blinking. Check service label for translation.

rocstar · Jan 9, 2009, 09:58 PM

Originally Posted by KC13

The furnace is equipped with a diagnostic LED. Remove the front panel and check for blinking. Check service label for translation.

Where would I find leds? And what would this tell me in regards to my temp problem?

KC13 · Jan 9, 2009, 10:01 PM

Take off the front panel. Read. There will be labels everywhere, you'll find it.

rocstar · Jan 9, 2009, 10:13 PM

Originally Posted by KC13

Take off the front panel. Read. There will be labels everywhere, you'll find it.

Thanks
Led is steady on and code says normal voltage.. I might add my 2 thermostats are edge tp-pac01

KC13 · Jan 9, 2009, 10:20 PM

Was your old thermostat a digital/electronic type? Perhaps what you thought was 68-70 degrees was actually warmer due to an inaccurate thermostat.

rocstar · Jan 9, 2009, 10:25 PM

Originally Posted by KC13

Was your old thermostat a digital/electronic type? Perhaps what you thought was 68-70 degrees was actually warmer due to an inaccurate thermostat.

When I first bought the house it was a lux digital readout and dial thermostat.. I upgraded it at that time to a honeywell touchscreen th8110. The reading was always 68 at night and comfortable and 70 day and comfortable and this was with one zone.. now 68 and 70 is cold. I am wondering gif the control module is installed wrong on the 2 part system or if the programming for the 3 speed blower is wrong.. I'm lost here..

KC13 · Jan 9, 2009, 10:31 PM

While the Lux would be questionable, I would expect accuracy from the Honeywell. Are you using continuous fan now, and did you with the old system?

rocstar · Jan 9, 2009, 10:34 PM

Originally Posted by KC13

While the Lux would be questionable, I would expect accuracy from the Honeywell. Are you using continuous fan now, and did you with the old system?

Used auto with the last furnace and this furnace I also use auto on the advice of the installer.. I was told continuous fan will wear out quicker and cause more energy use. I only put continuous on when I want to clean the air with the purifier.. Rarely.. unit was installed in November

rocstar · Jan 9, 2009, 10:38 PM

Originally Posted by rocstar

used auto with the last furnace and this furnace i also use auto on the advice of the installer..I was told continous fan will wear out quicker and cause more energy use. I only put continous on when i want to clean the air with the purifier..Rarely.. unit was installed in november

I am also wondering if this tstat is right for a variable speed blower.. I read it s for a single stage