Set-Up Aux Heat Source - Daikin One+ Reference Manual

For systems with AC-only outdoor units
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– The thermostat aux heat source is automatically the primary
heat source.
– Emergency heat mode will not appear
If the indoor unit is a gas furnace or an air handler with electric
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strip heat, all of these "aux heat" sources will be treated the
same way except they may have different lockout temperatures.
– The indoor unit aux heat lockout is in the heat pump menus
– The thermostat aux heat lockout is in "aux heat source" menus.

Set-up aux heat source

Click on "add equipment" Ú "aux heat source"
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Select "connection" and "aux 1" or "aux 2" as appropriate
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Default: "heat pump is primary heat source" unless it is an AC
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outdoor unit.
Select control to adjust parameters
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