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Old 01-29-2011, 05:07 PM   #1
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I have a 15 year old Heil heat pump and a new Honeywell t-stat. How can I keep the auxliary heat strips from coming on with only a 1 degree differential in room temp and set temp?

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Old 01-29-2011, 08:08 PM   #2
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What model number is the thermostat.

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Old 01-30-2011, 03:01 AM   #3
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The droop settings may be outa whack. If I were you I would get a Honeywell Visionpro IAQ with an outdoor sensor. This way the changeover is controlled by temperature the way it should be.
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Old 01-30-2011, 05:10 AM   #4
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The droop settings may be outa whack. If I were you I would get a Honeywell Visionpro IAQ with an outdoor sensor. This way the changeover is controlled by temperature the way it should be.

Below balance point/aux lock out temp, the heat strips will still come on with less then a 1 degree temp difference.
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Old 01-30-2011, 02:57 PM   #5
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The t-stat is Honeywell th5200d. How do you set the aux lock out temp that you referred to?
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Old 01-30-2011, 04:13 PM   #6
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The TH5000 series(there are more numbers then you posted) doesn't have lock out ability.
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Old 01-30-2011, 06:14 PM   #7
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Do I have any other options with the equipment I have? I don't believe my heat strips came on so often last winter. Also, should the outside fan always run when the heat pump is on?
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Old 01-31-2011, 03:58 AM   #8
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Below balance point/aux lock out temp, the heat strips will still come on with less then a 1 degree temp difference.
Lame... IAQ!
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Old 01-31-2011, 05:25 AM   #9
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Originally Posted by unicursalhex View Post
Lame... IAQ!
Even on an IAQ, once the outdoor temp is below lock out, the strips will come on with less then a 1 degree difference. The only saving grace, is that many areas, the outdoor temp doesn't drop below the IAQ's lowest lockout temp, and you can use 2 degree drop.
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Old 02-01-2011, 02:37 AM   #10
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Lame!!!
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Old 02-01-2011, 04:33 AM   #11
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Lame!!!
Just the way comfort thermostats work.

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