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Old 10-13-2012, 02:10 PM   #1
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T-stat for base board AND forced fan, Help


Hello

I am in need of some help please. I have my main living space with three baseboard heaters and one digital proportional T-stat. This summer I gave the kitchen a facelift which included changing out one baseboard to a "toe kick" forced fan heater of equal wattage. My t-stat is not compatible as it doesn't have a "fan" option. Looking at t-stats, it seems that they are all configured pretty my the same way when it come to the fan mode, basically removing the proportional option and making it more conventional on/off design (for every heater on the system including my other baseboard heaters), defeating the purpose of a digital t-stat to begin with. I have thought of using two t-stats, one for the TK and the other for the BB, but I would suspect that they would compete with each other and not perform as expected, not to mention the added time and materials to end up with a less then optimal results.

Anybody have ideas? the 16 year old at H---D---T gave me a solid HUH Is there some sort of t-stat designed for this type of application. My FF heater does not have a built in t-stat and to retrofit it would be complicated due to the design of the box/grill.

Thanks in advance
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Old 10-13-2012, 05:20 PM   #2
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T-stat for base board AND forced fan, Help


mods need to tr this over into HVAC

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Old 10-13-2012, 07:28 PM   #3
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T-stat for base board AND forced fan, Help


Why would you want the toe kick heater running without the fan running?
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Old 10-14-2012, 09:40 AM   #4
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T-stat for base board AND forced fan, Help


Quote:
Originally Posted by biggles View Post
mods need to tr this over into HVAC
Oops sorry for not putting this in the right forum, but where I live baseboard heating and t-stat installs is an electricians job not HVAC. And just to clarify, my TK heater is a self contained electric unit that is not part of a forced air furnace system.

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Originally Posted by k_buz View Post
Why would you want the toe kick heater running without the fan running?
Maybe I wasn't clear but I need the TK heater fan working as it is meant to, but just in the same circuit and same t-stat as my regular baseboards, as is with my t-stat the Tk heaters fan ramps up then down in 5 second intervals.

Maybe a mod should move this over to the HVAC forum?
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Old 10-14-2012, 09:46 AM   #5
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T-stat for base board AND forced fan, Help


Baseboard heat should not cycle like you are describing. It is possible that you wired the TK incorrectly. Are both the baseboard heat and TK spec'd for the same voltage?
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Old 10-14-2012, 10:23 AM   #6
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T-stat for base board AND forced fan, Help


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Originally Posted by k_buz View Post
Baseboard heat should not cycle like you are describing. It is possible that you wired the TK incorrectly. Are both the baseboard heat and TK spec'd for the same voltage?
Hi Good morning to you.
Yes I replaced a 750 watt with a 750 watt and the t-stat has been installed for about 15 years now, which is why I was told it does not have a "fan" mode, too old. I know I have to buy another t-stat but just wanted to make the right choice, heres a cut and paste from a t-stat supplier

"Fan mode
When the thermostat is used to control a heating
system equipped with a fan, the Fan mode MUST
be activated. This mode prevents the system to
continuously start and stop, which could cause fan
failure. The Fan mode is by default deactivated at
the factory. The status of this mode is indicated on
the display by the Fan icon."

I guess for now I will buy another t-stat (with fan mode) and put a pin in this for now.

Thanks again

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Old 10-14-2012, 10:35 AM   #7
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T-stat for base board AND forced fan, Help


Buy a simple 120 or 240V line voltage TStat. The fan in the TK is not designed to be controlled by the Stat.

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