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Subject Author Date
Convert Two HVAC Zones to One Key Bored 11-14-2006
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Posted by Key Bored on November 14, 2006, 3:43 pm
Hi All,

My house (3,000 sq. ft.) has an HVAC system with two zones, each controlled
by its own thermostat. The furnace and ductwork are located in the attic.
There is a damper in the main supply duct that controls the flow of air to
the zones. Is there a simple way to convert the system from two zones to
one? During the day, I want to heat or A/C the whole house to the same
temperature, and it would be more convenient if I only had to adjust one
thermostat instead of two. How can I do this? I assume it involves
disconnecting the damper control and one of the thermostats.

Thanx,
Key Bored



Posted by danger@heat.com on November 14, 2006, 7:04 pm
Your zone valves may have a lever on them for either MANUAL or AUTO
operation. If your boiler is wired to maintain a constant
temperature, dependant of either zone, you may introduce unwanted
heat into the zone you have set to MANUAL.

http://www.accentshopping.com/product.asp?P_ID=150832
&utm_source=NexTag&utm_medium=CPC&utm_campaign=V8043E1012

Those are the type of zone valves I'm used to seeing.

I would say it is more efficient to keep the zones in the system and
control them with programmable thermostats.

-Canadian Heat




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Posted by B-Hate-Me on November 15, 2006, 11:44 am

> Your zone valves may have a lever on them for either MANUAL or AUTO
> operation. If your boiler is wired to maintain a constant
> temperature, dependant of either zone, you may introduce unwanted
> heat into the zone you have set to MANUAL.

You run across many boilers in attics?

Dummy.





>
> http://www.accentshopping.com/product.asp?P_ID=150832
> &utm_source=NexTag&utm_medium=CPC&utm_campaign=V8043E1012
>
> Those are the type of zone valves I'm used to seeing.
>
> I would say it is more efficient to keep the zones in the system and
> control them with programmable thermostats.
>
> -Canadian Heat
>
>
>
>
> --
> --------------------------------- --- -- -
> Posted with NewsLeecher v3.7 Final
> Web @ http://www.newsleecher.com/?usenet
> ------------------- ----- ---- -- -
>



Posted by danger@heat.com on November 15, 2006, 5:51 pm
LOL guess I misread that post. Although I still say keeping both
zones is the best option. You need someone like b hate me to get up
in the attic and clean the airhandler for you ;)

-Canadian Heat




--
--------------------------------- --- -- -
Posted with NewsLeecher v3.7 Final
Web @ http://www.newsleecher.com/?usenet
------------------- ----- ---- -- -


Posted by Steve Scott on November 14, 2006, 7:48 pm
Can't you use two programmable t-stats and program them the same?

The reason to use zoning is you often WON'T be able to maintain the
same temp upstairs and downstairs as conditions change with a single
t-stat.

On Tue, 14 Nov 2006 12:43:28 -0800, "Key Bored"

>Hi All,
>
>My house (3,000 sq. ft.) has an HVAC system with two zones, each controlled
>by its own thermostat. The furnace and ductwork are located in the attic.
>There is a damper in the main supply duct that controls the flow of air to
>the zones. Is there a simple way to convert the system from two zones to
>one? During the day, I want to heat or A/C the whole house to the same
>temperature, and it would be more convenient if I only had to adjust one
>thermostat instead of two. How can I do this? I assume it involves
>disconnecting the damper control and one of the thermostats.
>
>Thanx,
>Key Bored
>


--
We're not lost -- we're locationally
challenged. --John M. Ford





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