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Honeywell RTHL3550D1006 User Manual

Honeywell RTHL3550D1006
40 pages
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Operating
Manual
RTH L3550
Non-programmable Thermostat
69-2583ES-01
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Honeywell RTHL3550D1006 Specifications

General IconGeneral
TypeProgrammable Thermostat
DisplayDigital
Stages1 Heat/1 Cool
Hold FeatureYes
Filter Change AlertYes
Power SourceBattery
Schedule7-day programmable
Temperature Range40°F to 90°F

Summary

About Your New Thermostat

Thermostat Features

Lists key features like clear display, temp display, removable battery holder, and compressor protection.

Thermostat Controls and Operation

Quick Reference: Controls

Identifies digital display, battery holder, function buttons, and temperature buttons on the thermostat.

Quick Reference: Display Screen

Explains elements shown on the thermostat display like temperature, fan, system settings, and warnings.

Selecting Fan Operation

Details how to choose between Auto and On fan modes for continuous or on-demand operation.

Selecting System Mode

Explains how to set the thermostat to Heat, Cool, Off, Auto, or Em Heat modes.

Adjusting Temperature Settings

Instructions on using the up/down buttons to set desired heating or cooling temperatures.

Auto Changeover Operation

Describes the automatic switching between heating and cooling based on indoor temperature.

Compressor Protection Feature

Explains the safety feature preventing short-cycling and compressor damage.

Maintenance, Support, and Troubleshooting

Battery Replacement Guide

Guides on how to replace batteries and when to do so, including warning indicators.

Customer Assistance Information

Provides contact information and website for product support and inquiries.

Troubleshooting Common Problems

Offers solutions for problems like blank display, temperature setting issues, and system unresponsiveness.

Resolving Flashing Display Messages

Explains what to do when 'Cool On' or 'Heat On' messages flash on the display.

Product Warranty

1-Year Limited Warranty Details

Details the product warranty coverage, terms, conditions, and limitations.

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