How To Wire A Humidifier To A Daikin Furnace - Daikin One+ Reference Manual

How to Wire a Humidifier to a Daikin Furnace

The indoor furnace control is equipped with a dedicated
»
humidification relay which is available through ¼ inch
terminals HUM-IN and HUM-OUT
HUM-IN must be powered with the desired voltage
»
(24 VAC from the R terminal or 115 VAC from L1 terminal)
Humidification relay turns ON when there is call for heat
»
and a call for humidification
For 2-stage furnaces only, the humidifier relay supports
»
the modes below:
On with heat and hum: Humidifier is turned on with
–
heat demand and humidification demand
On with hum (independent): Humidifier is turned
–
on with humidification demand
OFF: Humidifier remains off (relay never closes).
–
NEUTRAL
HUMIDIFIER
24 VOLT
COMMON
HUMIDIFIER
L1
R
19