Lennox iComfort SL18XC-01 Installer Setup Manual page 38

iComfort™ Communicating Indoor / Non-Communicating Outdoor System Wiring
iComfort by Lennoxt AIR HANDLER (AHC)
OPTIONAL DIS­
CHARGE AIR
SENSOR (SEE
DAS NOTE ON
PAGE 41)
®
iComfort Wi‐Fi
THERMOSTAT
RSBus
Maximum total
length of all connec­
tions on the RSBus
is limited to 1500ft.
Wire gauge of RS­
Bus wire is 18.
®
iComfort Wi‐Fi
Thermostat
iComfort by Lennoxt
Air Handler
Standard Outdoor Heat
Pump
507341-02
OPTIONAL OUT­
DOOR AIR SENSOR
(SEE OAS NOTE
ON PAGE 41)
Setup Notes:
Cut Y1-Y2 On-board
Link For 2-stage Out­
door Units
Cut R-O On-board Link
For Outdoor Heat Pump
Units
STANDARD
OUTDOOR HEAT
PUMP UNIT - 1
OR 2 STAGE
iComfort Wi‐Fi
iComfort by Lennoxt Indoor Furnace or Air Handler
Standard Outdoor Condensing Unit
38
t
iComfort by Lennox FURNACE (IFC) OR AIR HANDLER (AHC)
OPTIONAL DIS­
CHARGE AIR
SENSOR (SEE
DAS NOTE ON
PAGE 41)
®
iComfort Wi‐Fi
THERMOSTAT
RSBus
Maximum total
length of all connec­
tions on the RSBus
is limited to 1500ft.
Wire gauge of RS­
Bus wire is 18.
Setup Note:
Cut Y1-Y2 On-
board Link For
2-stage Outdoor
Units
®
Thermostat
OPTIONAL OUT­
DOOR AIR SENSOR
(SEE OAS NOTE
ON PAGE 41)
STANDARD
OUTDOOR AIR
CONDITIONING
UNIT - 1 OR 2
STAGE