Lennox International Inc 43558 manual

41653_model43558.pmd

Programmable Heat Pump or

Multi-Stage Auto Season Thermostat

Owner’s Manual

Model 43558

Contents

Page Introduction Table of Contents Table of Contents (continued) Read This Before Installing Thermostat Features What You Need Selector Switches Selector Switches (continued) Remove Old Thermostat Wire Labeling TABLE A – TERMINAL DESCRIPTIONS (continued) Mount Wallplate and Thermostat Connect Wires and Mount Thermostat Cover to Wallplate Option Menu Option Menu (continued) Setting Time and Day 12 Hr. / 24 Hr. Time Format Programming Introduction Personal Program Schedule Programming Weekday/Weekend Programming Weekday/Weekend Programming (continued) 7-DayProgramming 7-DayProgramming (continued) Everyday Programming Everyday Programming (continued) Program Options Reviewing Programs Power Switch System Selection Key Fan Key System Indicator Light System Indicator Light (continued) Emergency Heat Reviewing the Current Temperature Setting Temporary Manual Override Permanent Manual Override Vacation (Programmable) Hold Auto Season Changeover Home Today Energy Monitor Filter Monitor SPAN Settings Auto Recovery Auto Recovery (continued) Keyboard Lock Backlighting Remote Sensors Remote Sensors (continued) AC Power Monitor Low Battery Warning Error Mode Problem Solution Problem (cont.) Solution (cont.) WIRING DIAGRAMS MULTI-STAGESYSTEMS NOTE: Common wire connection is REQUIRED