Lennox SL280UHNV Installation Instructions Manual page 24

Optional Accessories for use with any Communicating System
NOTE: ICOMMUNICATING THERMOSTAT SENSES HUMIDITY &
CONTROLS HUM CONTACTS TO CYCLE HUMIDIFIER BASED
QUIRED.
TIONS. BUILT INTO ALL COMMUNICATING ENABLED OUT
DOOR UNITS).
COMMUNICATING
ENABLED FURNACE
sor (Required for
even heat)
ICOMMUNICATING
THERMOSTAT
RSBus
Maximum total
tions on the RSBus
is limited to 1500ft.
Wire gauge of
RSBus wire is 18.
HEPA BYPASS FILTER X2680 HEPA INTERLOCK KIT
LVCS VENTILATION CONTROL SYSTEM
NOTE: 24V UV LIGHT
APPLICATIONS
In a communicating system, neither
furnace nor air handler transformer
will have adequate VA to power 24V
UV light applications. An additional
transformer for UV light applications
is required.
TOR COMMON WIRE
THROUGH CURRENT LOOP.
SEE HEPA INTERLOCK KIT
FOR INSTALLATION DETAILS
SEE LVCS VENTILATION
INSTRUCTIONS FOR DAMPER &
SENSOR WIRING
FIgURE 23
Page 24
120V CONNECTIONS
24V HUMIDIFIER CONNECTIONS
CONVENTIONAL NON-
COMMUNICATING
SYSTEM
COMMUNICATING SYSTEM
*24V IN jumper not used in non-
communicating configuration
COMMUNICATING
ENABLED FURNACE
ICOMMUNICATING
THERMOSTAT
DEHUMIDIFIER
CONTROL
HVAC
EQUIPMENT
"HUM" CONTACT IS
CLOSED ANYTIME
HUMIDITY DEMAND
IS PRESENT
CS 7000
THERMOSTAT
*24V IN
JUMPER