Lennox ELITE EL297UH070XV36B Installation Instructions Manual page 42

Communicating Wiring - Ignition Control 107045-XX
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 HUMIDI−
FIER (IF NOT ALREADY IN THE SYSTEM FOR OTHER FUNC−
TIONS. BUILT INTO ALL COMMUNICATING ENABLED OUT−
DOOR UNITS).
COMMUNICATING
ENABLED FURNACE
for even heat)
COMMUNICATING
THERMOSTAT
A2L
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
ENABLED FURNACE
LVCS VENTILATION CONTROL SYSTEM
COMMUNICATING
ENABLED FURNACE
Optional Accessories for use with Communicating System
NOTE: 24V UV LIGHT
APPLICATIONS
In a communicating system, neither
furnace nor air handler
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
DEHUMIDIFIER
CONTROL
HVAC
EQUIPMENT
Figure 59
Page 42
120V CONNECTIONS
"HUM" CONTACT IS
CLOSED ANYTIME
HUMIDITY DEMAND
IS PRESENT
24V HUMIDIFIER CONNECTIONS
CS 7000
THERMOSTAT
CONVENTIONAL
NON−COMMUNI−
CATING SYSTEM
COMMUNICATING SYSTEM
*24V IN jumper not used in non−
communicating configuration
COMMUNICATING
ENABLED FURNACE
COMMUNICATING
THERMOSTAT
*24V IN
JUMPER
H