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Honeywell RTH221B1047 Owner's Manual page 3

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Table of contents
Installation
Installation .......................................................3
Advanced Installation ................................8
About your new thermostat
Controls and Home screen
quick reference ........................................... 10
Preset energy-saving schedules ....... 11
1 Turn Off Power to Heating/Cooling System
Circuit breaker
Heating/cooling system
box
3
Programming and operation
Setting the clock ........................................ 11
Adjusting program schedules ............. 12
Overriding schedules temporarily .... 13
Overriding schedules permanently ... 13
Compressor protection........................... 14
Replace batteries ....................................... 14
Appendices
Troubleshooting ......................................... 15
Limited warranty ........................................ 16
or
M31535
power switch

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Rth221 seriesRth2300 seriesRth2300b1020