Thermostat

Steven · 2007-02-08T20:39:42+00:00

Hi, I own a Honeywell Vision Pro thermostat. This thermostat has a built in timer with date. With the change in daylight savings time this year. Spring being moved up a couple of weeks & fall is being pushed back a couple of weeks. How can I program it for the new format the government implemented?Thank you Steven

Feb 08, 2007 27 Replies

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Dave Martindale 19 years ago

Nobody should ever have to reprogram the thermostat! At worse, just turn off automatic DST adjustment entirely and manually adjust the clock on the thermostat at the same time as resetting all the other clocks in the house. Changing the clock time by an hour is generally easier than changing thermostat programming, and needs to be done at most twice a year.

Now, the change in DST dates will break the existing automatic DST compensation, and it would be nice if there was a firmware update to fix that, but that's not likely for a cheap device like a programmable thermostat. And how important is the feature, really?

Dave

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mm 19 years ago

I was going to say that, but I guess he wants the house to get hotter at the last minute, just before he gets up for work, and unless one is a farmer, work seems to be dependant on the clock, not the sun.

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Seth Goodman 19 years ago

Are you part of a domain? If so, there's a domain server that's used, and the time tab is deleted. This allows all computers in your domain to have the same, incorrect, time. ;-)

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Goedjn 19 years ago

I guess I just don't see why it's better to jump through hoops the change the thermostat's DST adjustment than to jump through nearly identical hoops to change the time the furnace comes on in the morning.

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trader4 19 years ago

I guess, because if he could change the former, it only has to be done once, unless the govt changes it again. With the latter, he has to do it twice a year.

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Doug Miller 19 years ago

It's simpler still to just ignore it for the few weeks that the thermostat is out of sync with the new DST transitions.

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Dimitrios Paskoudniakis 19 years ago

Wrong.

Let's suppose someone has their heat pre-programmed to 70 deg in the evening, 65 overnight, and 70 again by the time they get out of bed, say at

7:00 AM. On March 11, they forward their clock so that when it reads 7:00 AM, the thermostat still thinks it's only 6:00 AM, and the temperature is colder than 70 deg, which defeats the whole purpose of having a digital programmable thermostat with discrete time/temperature pre-programmed settings.

The whole point of having a clock on a digital programmable thermostat is to take advantage of setting the temperature to different values at specific times of the day.

It takes 30 seconds to disable the auto DST adjustment feature, and perhaps

10 seconds, maximum, to manually adjust the time after that, two times per year.

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Jeff Wisnia 19 years ago

Not really OT, but didja know that the "official" term used by governments to describe that time changing system is daylight saving time (with no "s" at the end of saving)?

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But, I and most other people stick the "s" on, sort of like we tend to say ATM "machine" and PIN "number".

The gummints ought to just change the description to suit the way people feel comfortable saying it, huh?

Jeff

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