Optional Accessories Wiring
for use with any icomfort by Lennoxt system
icomfort by Lennoxt
SLP98 & G71MPP FURNACE (IFC) OR AIR HANDLER (AHC)
NOTE: icomfort
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)
DISCHARGE AIR SEN- SOR (REQUIRED FOR EVEN HEAT) (SEE DAS
For SL290 & EL296, see HUMIDIFIER diagram below (bottom right)
HCWH−01
DEHUMIDIFIER CONTROL
NOTE Page 59)
icomfort
THERMOSTAT
HVAC 
EQUIPMENT
Rf Cf Gs | HVAC |
Gh WDH | EQUIP |
NC |
|
RSBus
Maximum total length of all connec- tions on the RSBus is limited to 1500ft.
Wire gauge of
RSBus wire is 18.
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.
AUXILIARY DEHUMIDIFIER 090 & 135 
capacities only (065 not compatible) 
icomfort by Lennoxt SL280, EL296 FURNACE
icomfort
icomfortt enabled outdoor unit
48G96 Relay
GND
IN
120VAC<−−−−−−−HUMIDIFIER CONNECTIONS−−−−−−> 24VAC
Page 61 | icomfort |
