44
16.0
OPTIONAL ACCESSORIES (FIELD SUPPLIED/
INSTALLED)
IOM
IOM
16.1 ELECTRONIC AIR CLEANER
The integrated furnace control has provisions to supply power and control an electronic air cleaner rated at
120VAC, 1.0 amp max. 120 volt power will be available at these terminals whenever the
circulating fan is operating in the heating or cooling fan modes.
16.2 POWER HUMIDIFIER
The integrated furnace control has provisions to supply power and control a line voltage humidifi er or the
primary of a 120 / 24 volt humidifi er step down transformer, rated at 120VAC, 1.0 amp max.
NOTE
All HUM and EAC terminals are 120V. Do not directly connect 24V equipment to these terminals.
16.3 EMERGENCY HEAT MODE
If the ECM 2.3 / EON blower motor fails and a replacement is not available immediately, you can temporarily
replace the blower motor with a conventional fractional horsepower PSC blower motor. Connect the neutral
wire to a neutral (NEUTRAL) connection terminal on the furnace control board, and the hot (LINE) leg to
the EAC terminal. The EAC terminal is powered during any heating or cooling demand, and the blower will
operate until a new ECM motor can be obtained.
W415-1241 / A / 03.18.15
H20.1.1
H20.2
H20.3.2A