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• HP Lockout: Adjustable from -20 to 55°F (-28 to 13°C) or None.
Default = None
• Furnace, Electric Heat or Hydronic Lockout: Adjustable from 15 to
55°F (-9 to 13°C) or None. Default = None
• Defrost with Furnace, Electric Heat or Hydronic: Yes or No.
Default = Yes
– For Geothermal units, lockout for auxiliary heat (furnace or electric
resistance) is not enabled.
NOTE: When simultaneous heating and cooling demand feature is ON,
the system will try to respect the settings for heat source but may override
the settings if the preferred heat source is unable to deliver heat.
6.3.6. Stages / Latch for 18VS
For 18VS heat pumps, the cooling and heating stage/latch can be
changed. Select cooling or heating next to stages/latch. The maximum
stage and the minimum stage can be selected. The minimum selected
stage can be locked-in or set based upon the outside temperature.
A14228A
6.3.7. Geothermal HP (when available)
First touch SETUP, then touch Geo HP to set up the parameters for the
Geo HP unit.
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