Lennox ComfortSense L5732U Installation Instructions

Page 2
Table of Contents
General Page 2. . . . . . . . . . . . . . . . .
Shipping and Packing List Page 2.
NecessaryTools Page 2. . . . . . . . . .
Thermostat Location Page 2. . . . . .
Remove Existing Thermostat Page 3
Thermostat Installation Page 4. . . .
Wiring Connections Page 4. . . . . . .
LED Indicator Page 5. . . . . . . . . . . .
Outdoor Temp. Sensor Page 5. . . .
Field Wiring Diagrams Page 6. . . .
Install Batteries Page 8. . . . . . . . . .
Attach T’stat to Wallplate Page 8. .
Set Calendar and Clock Page 8. . .
Adv. Heat Pump Features Page 9.
Installer Set−Up Page 11. . . . . . . . . .
System Test Page 19. . . . . . . . . . . . .
Troubleshooting Page 20. . . . . . . . . .
General
The Lennox ComfortSenset 5000
Series L5732U programmable touch
screen thermostat provides control for
up to three stages of heating and two
stages of cooling. The thermostat may
be used to control either a convention-
al HVAC system which includes an out-
door condensing unit and indoor fur-
nace or a heat pump unit and indoor air
handler. The thermostat terminal block
accommodates 24V power common
from the furnace or air handler. Three
AAA alkaline batteries are provided to
be used as an alternate power source
or as a back−up in case of an interrup-
tion of power.
Shipping and Packing List
Package 1 of 1 contains
1 − Assembled thermostat (includes
wallplate and thermostat)
1− Bag assembly containing the fol-
lowing:
2 − Screws
2 − Wall anchors
3 − AAA alkaline batteries
1 − Installation instruction
1 − Owner’s guide
1 − Warranty certificate
Necessary Tools
S No. 2 Phillips screwdriver
S Standard pocket screwdriver
S Drill
S Drill bits (use 3/16" for drywall and
7/32" for plaster)
S Pencil
S Level
S Hammer
S Electrical tape
Thermostat Location
Install the thermostat about 5 feet
(1.5m) above the floor in an area with
good air circulation.
Do not install the thermostat where it
may be affected by the following:
S Drafts or dead spots behind doors
and in corners.
S Hot or cold air from ducts.
S Radiant heat from the sun or ap-
pliances.
S Concealed pipes or chimneys.
S Adjacent unconditioned areas
(outside wall behind the thermo-
stat).

Lennox ComfortSense L5732U Specifications

General

Brand	Lennox
Model	ComfortSense L5732U
Category	Thermostat
Language	English