Lennox SL280V Installation Instructions Manual page 24

Optional Accessories for use with any icomfort Touch
®
NOTE: icomfort Touch THERMOSTAT SENSES HUMIDITY
& CONTROLS HUM CONTACTS TO CYCLE HUMIDIFIER
BASED ON DEMAND. NO OTHER CONTROL OR HUMIDIS-
TAT REQUIRED.
OPTIONAL OUTDOOR AIR SENSOR FOR USE WITH HU-
MIDIFIER (IF NOT ALREADY IN THE SYSTEM FOR OTHER
FUNCTIONS. BUILT INTO ALL icomfort by Lennoxt OUT-
DOOR UNITS).
icomfortt ENABLED
SL280DFV FURNACE
Discharge Air
Sensor (Required
for even heat)
®
icomfort Touch
THERMOSTAT
RSBus
Maximum total
length of all con-
nections on the
RSBus is limited
to 1500ft.
Wire gauge of
RSBus wire is 18.
ENABLED OUTDOOR
AIR CONDITIONING OR
HEAT PUMP UNIT
(POWER COMPANY INTERRUPTION SYSTEMS
ARE WIRED SAME AS OVERFLOW SWITCH)
HEPA BYPASS FILTER X2680 HEPA INTERLOCK KIT
LVCS VENTILATION CONTROL SYSTEM
icomfort t
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
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.
HVAC
EQUIPMENT
STANDARD 1 OR 2
STAGE AC OR HP UNIT
2 STAGE FURNACE
CUT
R−DS
W914
FIGURE 22
Page 24
®
System
120V CONNECTIONS
24V HUMIDIFIER CONNECTIONS
CONVENTIONAL
NON−COMMUNI-
CATING SYSTEM
COMMUNICATING SYSTEM
*24V IN jumper not used in non−
communicating configuration
icomfortt ENABLED
SL280DFV FURNACE
®
icomfort Touch
THERMOSTAT
DEHUMIDIFIER
CONTROL
NON−COMMUNICATING
SYSTEM WIRING
DS
COMMUNICATING
SYSTEM WIRING
R
HUM" CONTACT IS
CLOSED ANYTIME
HUMIDITY DEMAND
IS PRESENT
CS 7000
THERMOSTAT
*24V IN
JUMPER