4
tions, additional components
may need to be added, see figure
5 on page 8.
Lennox Communcating
Thermostat
Equipment Interface
Model (EIM)
24VAC Air Handler or
Furnace (Indoor Unit)
Lennox
communicating
Air Conditioner or
Heat Pump
(Outdoor Unit)
Wiring Legend
4−wire communicating
24VAC conventional
EIM with Air Hander or Furnace (Indoor Unit)
and either a Air Conditioner or Heat Pump
(Outdoor Unit)
24VAC Air
Conditioner
or Heat Pump
(Outdoor Unit)
ICOMFORT
WI-FI
ICOMFORT
S30
Figure 2. System View
WARNING
Controls in this module are sensitive to moisture. Do NOT secure this module to the sheet metal cabinet where moisture may condense during periods
of high humidity. Secure the module to a nearby wooden stud, if possible.
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