Emergency heat on Honeywell thermostats is usually a “command” to cease key heat supply and utilize the secondary (auxiliary) which generally is far more potent (and much more high-priced) than principal. Choosing this alternative will journey a 2nd get hold of that’s linked immediately for your secondary heating gadget or for your key gadget (i.e. heat pump) if it truly is equiped with an external command for enabling the “auxiliary” supply.
What Does Auxiliary Heat Mean On Thermostat ?
You’ve got the thermostat set to maintain your greatest temperature at a particular level, at which the gadget delivering heat turns off. Your thermostat has two attainable heat sources, a most important and an auxiliary. It depends upon how the unit was wired which heat supply is which. For instance, it’s possible you’ll have off-peak electrical as your key heat supply, plus a gas-fired furnace as your auxiliary, a wood boiler as your primary and also a heat pump as auxiliary, and so forth.
Generally, the auxiliary will only engage when the primary is not really working, but you can find a host of possibilities. It could be set to auxiliary. You will get your thermostat’s guide being a download from Honeywell. You would like to complete this and read through the precise directions to your precise model. Without having that, an reply is usually a mere guess.
For any heat pump method, emergency heat will energize the heat stips(electrical resistance heating) that happen to be commonly put in during the prime from the air handler(indoor unit), which can price much more to run than employing the heat pump for heat. But when a little something triggers the outside unit to end doing work although needing heat, no less than you’ve got a signifies of heat until eventually a technician can come out to determine why.