Lennox SIGNATURE SL280UHV Installation Instructions Manual page 27

®
icomfort Touch Thermostat with SL280UHV
and Non−Communicating Outdoor Unit
®
icomfort Touch Thermostat
icomfortt−Enabled SL280UHV Indoor Furnace
Non−Communicating Outdoor Air Conditioner
icomfortt−
ENABLED
SL280UHV
FURNACE
OPTIONAL
DISCHARGE
AIR SENSOR
icomfort Touch®
THERMOSTAT
CLIP ON−BOARD LINK
W915 (Y1 TO Y2) FOR
TWO−STAGE OPERATION
NOTE − On communicating systems, extra wires must terminate on the "C" icomfortt terminal strip (RSBus). Use an additional wire
and come off "C" terminal and wire nut all the extra wires together. Termination on the outdoor control must match the indoor control.
Outdoor Unit
icomfort Touch
icomfort Touch
icomfortt−Enabled SL280UHV Indoor Furnace
icomfortt−Enabled Outdoor Air Conditioner or Heat Pump
OPTIONAL
DISCHARGE
AIR SENSOR
OPTIONAL
OUTDOOR OPTIONAL
AIR SENSOR OUTDOOR
AIR SENSOR
icomfort Touch®
THERMOSTAT
NON−COMMUNICATING
OUTDOOR AIR
CONDITIONING UNIT −
1 OR 2 STAGE
icomfortt Integrated Control
FIGURE 30
Page 27
®
Thermostat with SL280UHV
and icomfortt−ENABLED Outdoor Unit
®
Thermostat
icomfortt−
ENABLED
SL280UHV
FURNACE
icomfortt− ENABLED
OUTDOOR AIR CONDITIONING
OR HEAT PUMP UNIT
®
icomfort Touch