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icomfort Wi-Fit 7−Day Programmable Communicating Thermostat
Page 61
Optional Accessories Wiring
for use with any icomfort by Lennoxt system
icomfort by Lennoxt
SLP98 & G71MPP FURNACE
(IFC) OR AIR HANDLER (AHC)
icomfort Wi-Fit
THERMOSTAT
DISCHARGE AIR SEN-
SOR (REQUIRED FOR
EVEN HEAT) (SEE DAS
NOTE Page 59)
NOTE: icomfort Wi-Fit THERMOSTAT SENSES HUMIDITY & CONTROLS 24V H" OUTPUT (& 120V H" OUT-
PUT) TO CYCLE HUMIDIFIER BASED ON DEMAND. NO OTHER CONTROL OR HUMIDISTAT REQUIRED.
OPTIONAL OUTDOOR AIR SENSOR FOR USE WITH HUMIDIFIER (IF NOT ALREADY IN THE SYSTEM FOR
OTHER FUNCTIONS. BUILT INTO ALL icomfort by Lennoxt OUTDOOR UNITS). (SEE OAS NOTE Page 59)
Maximum total
length of all connec-
tions on the RSBus
is limited to 1500ft.
Wire gauge of
RSBus wire is 18.
Rf WGhGsCf
HVAC EQUIP
HCWH−01
DEHUMIDIFIER CONTROL
HVAC
EQUIPMENT
DH
NC
AUXILIARY DEHUMIDIFIER 090 & 135
capacities only (065 not compatible)
NOTE: 24V UV LIGHT
APPLICATIONS
In an icomfort by Lennoxt
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 re-
quired. UV light wiring con-
nections are independent of
HVAC system operation; see
UV light installation instruc-
tions.
icomfort by Lennoxt SL280, EL296 FURNACE
48G96 Relay
GND
IN
icomfortt
enabled
outdoor unit
icomfort
Wi-Fit
thermostat
RSBus
For SL290 & EL296, see HUMIDIFIER diagram
below (bottom right)
120VAC<−−−−−−−HUMIDIFIER CONNECTIONS−−−−−−> 24VAC