Lennox International Inc. 2P1109 Thermostat User Manual


 
506052−01 11/09
Page 38
Optional Accessories for use with any icomfortt system
NOTE: 24V UV LIGHT
APPLICATIONS
Neither icomfort furnace nor
icomfort air handler transformer
will have adequate VA to power
24V UV light applications. An
additional transformer for UV
light applications is required.
icomfortt
FURNACE (IFC) OR
AIR HANDLER (AHC)
icomfortt
THERMOSTAT
DISCHARGE AIR SENSOR
(REQUIRED FOR EVEN HEAT)
(SEE DAS NOTE Page 36)
NOTE: icomfortt T’STAT SENSES HUMIDITY & CON-
TROLS 24V H" OUTPUT (& 120V H" OUTPUT) TO
CYCLE HUMIDIFIER BASED ON DEMAND. NO OTH-
ER CONTROL OR HUMIDISTAT REQUIRED.
OPTIONAL OUTDOOR AIR SENSOR FOR USE WITH
HUMIDIFIER (IF NOT ALREADY IN THE SYSTEM FOR
OTHER FUNCTIONS. BUILT INTO ALL icomfortt OUT-
DOOR UNITS). (SEE OAS NOTE Page 36)
Maximum total
length of all con-
nections on the
RSBus is limited
to 1500ft.
Wire gauge of
RSBus wire is 18.
RSBus