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Lennox S40 Installation And Setup Guide

Lennox S40
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12
CUT
R-DS
W914
DS
R
LENNOX COMMUNICATING
FURNACE UNIT
(SLP99, EL296 and SL280)
FOR FLOAT SWITCH
OPERATION, CUT R-DS.
FLOAT
SWITCH
RELAY
FLOAT
SWITCH
LENNOX COMMUNICATING
INDOOR UNIT
CONVENTIONAL
OUTDOOR UNIT
(1 OR 2 STAGE)
LENNOX COMMUNICATING
INDOOR CONTROL (18Y04)
THERMOSTAT
CONVENTIONAL TERMINALS
FLOAT
SW
FLOAT
SWITCH
RELAY
(See Lennox
Communication
Wiring Diagram)
Figure 12. Lennox S40, Lennox Communicating Indoor Controls and Float Switch

Table of Contents

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Lennox S40 Specifications

General IconGeneral
DisplayColor touchscreen
Voice ControlAmazon Alexa, Google Assistant
Energy ReportsYes
Programming7-day programmable
Warranty5-year limited warranty
ConnectivityWi-Fi
CompatibilityLennox HVAC systems
Smart FeaturesGeofencing
SensorsTemperature, Humidity

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