Question about Heating & Cooling
Copper lines entering and exiting the blower unit are hot.
Hi. This is Aaron Moratalla from White Rodgers. Heat flashing means the system is in Lock Out mode. This signal means the 1F89-11 is "protecting" your compressor from short cycling which is harmful to the system. It usually last for 5 min to allow head pressure to stabilize. If you want to override this feature while testing thermostat operation, move the SYSTEM switch to OFF position for 6 to 10 seconds then back to the desired mode. Shoud you need further assistance please don't hesitate to call our Tech Line at 800-284-2925. Thank you for choosing White Rodgers!
Posted on Jan 10, 2013
Might be heatpump and heat strips are coming on at the same time call a a/c tech
Posted on Jan 04, 2013
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Posted on Jan 02, 2017
the thermostat sub base has a place to connect a wire usually white to energize the heat strips when you push the stat way hotter than the house temp. that is why the strips come on in normal heat. it also has a terminal that is only energized in emergency heat and it also should have a wire connected to it so that terminal can supply power to the strips when the stat is switched into emerg heat . you can identify the terminal from the wiring diagram and if need be jumper w2 wire over to the aux terminal and it will work. they both go back into the airhandler and power the same strips. w2..................................................................................................w2 in airhandler to strips or w2...jumper to aux......................................................................................................................w2 in airhandler to strips.
Posted on Nov 10, 2008
The unit is probably to small for theare you are trying to heat.
When the Aux HT light came on that meant the heat pump could not keep up with the demand for heat. (Probably due to extreme cold, or undersized unit.)
If yu have heat, then at least one heat strip is operating. If you have multiple heatstrips, one or more could be malfuncioning.
Or it could simpy be to cold/to small fr your area and not able to keep up.
How many square foot are you trying to heat?
What is the outside temp?
What is the inside temp?
What size unit (BTU output) do you have?
Posted on Dec 23, 2008
SOURCE: Thermostat show AUX HEAT
A heatpump has two sources of heat. One is when the heatpump is operating in normal heat mode, and the other is typically electric heat strips.
The strips come on when the unit is going into defrost, when the unit is not able to keep up with the demand for heat (really cold temps) and when the unit is not working properly.
Whne the strips are on, the T-stat displays "aux-heat" to indicate the strips are in operation.
If the strips are working properly you should have warmer air than with the HP alone. Try switchin it from "heat" to "emergency heat" and see what it will do.
When the HP is not able to keep up with the demand for heat then the heat strips come on, but they typically come on only when the room temp has gotten well below the thermostat setting.
In that situation it would be normal to see indoor temps at 63 degrees when the T-stat is set on 70.
But when you set it to E-heat it bypasses the heatpump operation and goes directly to the heat strips. If they are working properly it should maintain an accurate temp in the home.
Posted on Jan 23, 2009
The fans are set to delay for 60-90 seconds to remove all heat from the heat exchanger/heater elements.
If the fan runs any longer than 3-4 minutes after the Emergency Heat shuts off, you may have a bad sequencing relay in the air handler.
Posted on Jan 27, 2009
I set the thermostat for 70 degrees. It comes on always in auxillary heat and does not shut off when it reaches 70 degrees. It is a heat pump, I am assuming, it might be the thermostat? But when the air conditioner is on, it turns off when it reaches it's temperature.
Posted on Oct 16, 2009
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