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Honeywell RTH221B1021 Quick Installation Guide

Honeywell RTH221B1021
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RTH2300/RTH221
13 69-2448ES—03
About your new thermostat
WIRING ASSISTANCE TROUBLESHOOTING
Press the s or t button to select 12-hour display or
24-hour display.
Time display format
0 12-hour display
1 24-hour display
When correct setting is selected, press both s and t
to display next function.
2
0

Table of Contents

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Preview: Owner's Manual
Owner's Manual36 pages

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Honeywell RTH221B1021 Specifications

General IconGeneral
TypeNon-programmable
DisplayDigital
Power SourceBattery
Temperature Control Range40°F to 90°F (4°C to 32°C)
Stages1 Heat/1 Cool
Voltage24V
BacklightNo
CompatibilitySingle-stage heating and cooling systems

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