Honeywell CT70 Owner's Manual - Page 6

Heat Pumps Are Different

Page 6 highlights

HEAT PUMPS ARE DIFFERENT Heat pump systems usually have a supplemental, Second Stage heating system that operates only when necessary. This heat pump thermostat is designed to minimize more expensive secondstage operation, indicated by the green AUX. HEAT light on your thermostat. 6

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6
HEAT PUMPS ARE DIFFERENT
Heat pump systems
usually have a
supplemental,
Second Stage
heating system that
operates only when
necessary.
This
heat pump
thermostat is
designed to
minimize more
expensive second-
stage operation,
indicated by the
green AUX. HEAT
light on your
thermostat.