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icomfort Wi-Fit 7−Day Programmable Communicating Thermostat
Page 59
Wiring Diagrams
icomfortt Communicating System Wiring
icomfort by Lennoxt
FURNACE (IFC) OR AIR HANDLER (AHC)
icomfort
Wi-Fit
THERMOSTAT
icomfort by Lennoxt
OUTDOOR AIR CON-
DITIONING OR HEAT
PUMP UNIT
OPTIONAL OUT-
DOOR AIR SENSOR
(SEE OAS NOTE)
OPTIONAL DIS-
CHARGE AIR SEN-
SOR (SEE DAS
NOTE)
icomfort Wi-Fit Thermostat
icomfort by Lennoxt Indoor Furnace or Air Handler
icomfort by Lennoxt Outdoor Condensing Unit or Heat Pump
DAS NOTE − The discharge air sensor is
intended to be mounted downstream of the
furnace heat exchanger and air conditioning
coil. It must be placed in free airflow, where
other accessories (such as humidifiers, UV
lights, etc.) will not interfere with its accura-
cy. Wiring distance between the IFC or AHC
and the discharge air sensor should not ex-
ceed 10ft when wired with 18−gauge ther-
mostat wire.
OAS NOTE − Wiring distance between the
IFC or AHC and the outdoor temperature
sensor should not exceed 200ft when wired
with 18−gauge thermostat wire.
Maximum total length of all connections on
the RSBus is limited to 1500ft.
Wire gauge of RSBus wire is 18.
RSBus
RSBus