Question about Heating & Cooling
SOURCE: I want to adjust the
To enter the adjustment mode, press the UP, DOWN, and I buttons simultaneously for three seconds. Press the I button until the feature requiring adjustment is displayed:
HL High Limit.
LL Low Limit.
Ldf Low Limit differential.
Then press the UP and/or DOWN buttons to move the set point to
the desired value. After 60 seconds without any button inputs, the
control will automatically return to the READ mode.
(copied from honeywell's instructions)
to clarify the differential is cut in minus the cut out.
Hope i can be some help to you.
Posted on Apr 21, 2008
If aquastat wirings are ok, and control module had been set up properly, the the furnace should start.
Check if bypassing the control the furnace starts, if it starts then check aquastat wirings.
If it depends on the furnace, check the valve, the safety sensor and the ignitor.
Here is the guide to set up the Aquastat control:
Guide to Setting & Wiring Heating System Boiler Aquastat Controls
Posted on Sep 13, 2008
I would say high if you need cooling. If the tempature is cool enough for you then set it to low.If you are hot and need more cooling then high.
Posted on Apr 07, 2009
SOURCE: I had a Honeywell Thermostat
Is this a new hvac system? A new furnace can work differently than your old one. Does it shut off after a minute or two or continue to run? If it continues to run then call that professional back and let him fix it. If it shuts down after a minute or two then it is a feature of the new thermostat to squeeze all of the cool it can from the a/c coil and ductwork.Some of them have settings that you can adjust for blower delay on and off, read the manual that came with the t-stat and see if it does.
Posted on Jun 17, 2011
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