(What
Does It Mean? What's The Difference?)
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| Q. |
My heat pump thermostat
has 2 buttons that I don’t understand. One
reads “AUX HEAT”; the other “EM
HEAT”. What's the difference? |
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| A. |
Aux (auxiliary)Heat.
The balance point (when it can no longer efficiently
transfer heat from the outside air) of an air source
heat pump, is usually about 35 degrees. The thermostat
senses this and automatically turns on the
electric heat strips to provide the additional heat
needed. It signals this by turning on the “AUX”
heat light. |
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Em (emergency) Heat.
You can also manually turn the electric heat
on if needed (defective equipment; cold house).
Manually turning on the electric heat is signaled
by the “EM” heat light |
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| We hope this brief
explanation has been of some assistance. Obviously,
not all possible conditions are covered. |
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| Remember:
The company You Choose To Install and Service Your
System Will Determine The Degree of Comfort and
Satisfaction You Enjoy. |
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| These "Common
HVAC Problems" are provided FREE and as a consequence
Climatemakers does not assume any liability resulting
from any information we provide. In all cases where
there is any possibility of injury, consequential
damage, direct damage to your equipment or when
recommended by the equipment manufacturer, your
system should be repaired, inspected or maintained
by a qualified technician. |
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