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4D. O/B Configuration
Installation > Advanced HVAC Options > O/B Configuration
This configures whether the O/B terminal for the heat pump reversing
valve will be energized during cool (O) or heat (B) mode.
4E. Fast Second Stage
Installation > Advanced HVAC Options > Fast Second Stage
If the user has multi-stage equipment and would like to have the
ability to rapidly heat or cool on command, then set this feature to
the ON position by pressing the ENTER key. Once in this mode, the
thermostat will instantly turn on all available stages when the set
point is manually changed 3 degrees or more from the current room
temperature.
4F. Smart Fuel Logic
Installation > Advanced HVAC Options > Smart Fuel Logic
The thermostat has the capability to control dual-fuel systems without
an outdoor temperature sensor. The thermostat can determine when
the heat pump is no longer efficient and can perform system
changeover to the gas furnace. In the Smart Fuel Logic menu, choose:
Standard: The default setting
•
Comfort: Brings on gas furnace sooner at higher outdoor
•
ambient temperatures
Economy: Brings on gas furnace at lower outdoor
•
ambient temperatures
(for homes with multi-stage systems)
(for homes with a heat pump AND gas furnace)
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