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Lennox Manuals
Thermostat
L22
Installation instructions manual
Lennox L22 Installation Instructions Manual
7-day heat pump programmable thermostat
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Table of Contents
Description
Applications
Ratings
Features
Subbase Installation
Location
Remove Thermostat from the Subbase
Mount the Subbase on the Wall
Wiring the Subbase
Thermostat Installation
Set the Option Switches
Mount Thermostat on the Subbase
Startup and Checkout
First Power-Up
Default Temperatures
Check Cooling
Check Indoor Fan
Check Heating
Check Emergency Heating
Cancel Compressor off Delay
General Operating Information
Clock and Day Memory/Permanent Program Memory
Adjustable Check Filter Interval
System Diagnostics
Minimum Operating Times
Auxiliary Heat Lockout
Extended Compressor off Delay
Emergency Heat
Check System Indicator
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