Honeywell RTH7400D Programmable Thermostats Owners Guide - Enlarge page 1 of 64
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From inside (document excerpt):
Honeywell RTH7400D Programmable Thermostats. Free User’s Manual in PDF format.
Contents
Prepare for Installation … 3
Follow Important Instructions …5
Remove Old Thermostat …6
Follow Special Instructions … 7
Label Old Thermostat Wires … 10
Mount New Wallplate to Wall … 11
Connect Wires to New Wallplate … 15
Install Batteries … 23
Attach New Thermostat to Wallplate … 24
Configure Installer Setup … 26
Customer Assistance … 62
Limited One-Year Warranty … 63
Source: honeywell.com