Lennox EL296DFV Installation Instructions Manual page 40

Optional Accessories for use with any iComfort Touch
®
NOTE: IComfort THERMOSTAT SENSES HUMIDITY & CON­
TROLS 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 iComfort by Lennox®OUTDOOR UNITS).
®
icomfort ENABLED
EL296DFV FURNACE
Discharge Air Sen­
sor (Required for
even heat)
®
IComfort
THERMOSTAT
RSBus
Maximum total
length of all connec­
tions on the RSBus
is limited to 1500ft.
Wire gauge of
RSBus wire is 18.
ENABLED OUTDOOR AIR
CONDITIONING OR HEAT
HEPA BYPASS FILTER X2680 HEPA INTERLOCK KIT
LVCS VENTILATION CONTROL SYSTEM
NOTE: 24V UV LIGHT
®
APPLICATIONS
iComfort
In an iComfort
tem, neither furnace nor air handler
PUMP UNIT
transformer will have adequate VA
to power 24V UV light applications.
An additional transformer for UV
light applications is required.
(POWER COMPANY INTERRUPTION SYSTEMS ARE
WIRED SAME AS OVERFLOW SWITCH)
PASS INDOOR BLOWER MO­
TOR COMMON WIRE
THROUGH CURRENT LOOP.
SEE HEPA INTERLOCK KIT
FOR INSTALLATION DETAILS
SEE LVCS VENTILATION
INSTRUCTIONS FOR DAMPER &
SENSOR WIRING
® ®
by Lennox sys­
THERMOSTAT
STANDARD 1 OR 2 STAGE
AC OR HP UNIT
2 STAGE FURNACE
CUT R-DS
W914
FIGURE 57
Page 40
®
System
120V CONNECTIONS
"HUM" CONTACT IS
CLOSED ANYTIME
HUMIDITY DEMAND
IS PRESENT
24V HUMIDIFIER CONNECTIONS
CS 7000
THERMOSTAT
CONVENTIONAL NON-
COMMUNICATING
SYSTEM
COMMUNICATING SYSTEM
*24V IN jumper not used in non-
communicating configuration
*24V IN
JUMPER
®
icomfort ENABLED
EL296DFV FURNACE
®
IComfort
DEHUMIDIFIER
CONTROL
HVAC
EQUIPMENT
NON-COMMUNICATING
SYSTEM WIRING
DS
COMMUNICATING
SYSTEM WIRING
R