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Optional Accessories for use with any Communicating System
NOTE: COMMUNICATING THERMOSTAT SENSES HUMIDITY &
CONTROLS HUM CONTACTS TO CYCLE HUMIDIFIER BASED ON
DEMAND. NO OTHER CONTROL OR HUMIDISTAT REQUIRED.
OPTIONAL OUTDOOR AIR SENSOR FOR USE WITH HUMIDIFIER
(IF NOT ALREADY IN THE SYSTEM FOR OTHER FUNCTIONS.
BUILT INTO ALL COMMUNICATING ENABLED OUTDOOR UNITS).
COMMUNICATING
ENABLE FURNACE
Discharge Air
Sensor (Required
for even heat)
COMMUNICATING
THERMOSTAT
RSBus
Maximum total
length of all con
nections on the
RSBus is limited
to 1500ft.
Wire gauge of
RSBus wire is 18.
HEPA BYPASS FILTER X2680 HEPA INTERLOCK KIT
COMMUNICATING
ENABLE FURNACE
LVCS VENTILATION CONTROL SYSTEM
COMMUNICATING
ENABLE FURNACE
NOTE: 24V UV LIGHT
APPLICATIONS
In an icomfort by Lennoxt system,
neither furnace nor air handler trans
former will have adequate VA to
power 24V UV light applications. An
additional transformer for UV light
applications is required.
PASS INDOOR BLOWER
MOTOR COMMON WIRE
THROUGH CURRENT LOOP.
SEE HEPA INTERLOCK KIT
FOR INSTALLATION DE
TAILS
SEE LVCS VENTILATION
INSTRUCTIONS FOR
DAMPER & SENSOR WIRING
Page 40
120V CONNECTIONS
24V HUMIDIFIER CONNECTIONS
*24V IN jumper not used in non-
communicating configuration
THERMOSTAT
DEHUMIDIFIER
CONTROL
HVAC
EQUIPMENT
"HUM" CONTACT IS
CLOSED ANYTIME
HUMIDITY DEMAND
IS PRESENT
CS 7000
THERMOSTAT
CONVENTIONAL
NON-COMMUNI
CATING SYSTEM
COMMUNICATING SYSTEM
*24V IN
JUMPER
icomfortt ENABLED
SL280DFNV
FURNACE
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