Honeywell RTH221B Use and Care Manual download pdf (Page 3)

RTH2300/RTH221

1 69-2727ES—02

About your new thermostat

Thermostat features .................................... 2

Thermostat is preset, ready to go ............... 3

Quick reference to controls ......................... 4

Quick reference to display ........................... 5

Programming & Operation

Set time and day ......................................... 6

Select system setting .................................. 7

Select fan setting ........................................8

Using program schedules .....................9–10

Adjust program schedule (RTH2300) .......11

Adjust program schedule (RTH221) .........12

Program schedule overrides ...............13–14

Compressor protection .............................. 15

Change Filter (RTH2300) ..........................16

Appendices

Battery replacement .................................. 17

Customer assistance ................................ 18

In case of difficulty .............................. 19–20

Limited warranty ........................................21

This thermostat is ready to go!

Your new thermostat is pre-programmed

and ready to go.

See page 10 to check settings.

Table of contents

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Honeywell RTH221B Use and Care Manual Page 3