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

Begin Set-up / Equipment Set-up (cont'd)

Aux Heater Heat Source Set-up

Aux heat is supported in Unitary, VRV and SkyAir (P1P2), and single/
»
multi-split (S21) systems. This document covers Unitary systems.
The thermostats aux outputs are dry contacts that close the
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connection to turn on the aux equipment.
A 24V AC control signal must be routed through one of the aux
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contacts of the thermostat.
Accessory Hookup to Daikin One+ Smart Thermostat
To Line Voltage
The terminals are selected in the Daikin One+ installer wizard.
*
Note: It is recommended to use a minimum of 18-Gauge wire.
Maximum operating length of wire is 125 ft.
An aux heat source can be added to the Daikin One+
»
smart thermostat in the "Equipment Setup" menu using
"add equipment".
For systems with heat pumps:
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– The aux heat can be set-up as primary or the secondary source of
heat.
– Emergency Heat mode will appear as a system mode and can be
used to directly turn on the aux heat source.
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Daikin One+
Smart Thermostat