White-rodgers 1F89EZ-0251 User Manual

This thermostat is intended for use with a low voltage NEC Class II system. Do not use this thermostat with a line voltage system. If in doubt about w

2Get to know your thermostat Before you begin using your thermostat, you should be familiar with its features and with the display and the location an

3Using your thermostat Home, Sleep and Away Temperature Pre-SetsYou can set your (Home, Sleep, Away) temperatures for use when you get home, go to s

4Remove the Old Thermostat1. Turn off power to the heating and cooling system.2. Remove the front cover of the old thermostat, this usually pulls of

5Configuration MenuMenu Screen NumberDisplayed (Factory Default)Press or to select options01Sleep(OFF)On Select Sleep Timer On or OFFIf selected OFF

6Troubleshooting Reset OperationIf a voltage spike or static discharge blanks out the display or causes erratic thermostat operation, you may need to

7 Technical DataLRC24 VAC120 VACHotSYSTEMMONITORSWITCHNeutralTHERMOSTATSYSTEMG W2Figure 2. Typical wiring diagram for single transformer systemsTRAN

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