Instruction/ maintenance manual of the product 1F86EZ-0251 White Rodgers
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This thermostat is intended for use with a low v oltage NEC Class II system. Do not use this thermostat with a line voltage system. If in doubt about whether y our wiring is millivolt, line, or low v oltage, ha ve it inspected b y a qualified heating and air conditioning contractor or electrician.
2 Get to know y our thermostat Bef ore y ou beg in using your thermostat, y ou sho uld be f amil iar with i ts f eatures and with the displ ay and the l ocation a nd operation of the thermostat buttons and s witches. The Thermostat Buttons and Switches 1 Raises temperature setting.
3 Using y our thermostat Home, Sleep and A way T emperature Pre-Sets Y ou can set your (Home, Sleep , A wa y) temperatures for use when y ou get home , go to sleep, or leav e home . Then, just press the button y ou want and go . F av orite T emperatures are set at the f actory as indicated in the f ollowing table .
4 Remove the Old Thermostat 1. T urn off power to the heating and cooling system. 2. Remov e the front cov er of the old ther mostat, this usually pulls off . 3. Loosen the screws that hold the thermostat to the wall. 4. Identify each wire attached to the old thermostat.
5 Configuration Menu Menu Screen Number Display ed (Factory Default) Press or to select options 01 (SS) HP Select Single Stage (SS) or Heat Pump (HP) f or a single compressor 02 Sleep (OFF) On Select Sleep Timer On or OFF If selected OFF , skip to menu screen 04 03 h (8) 1 to 12 Select 1 to 12 hours f or Sleep Timer On.
6 T r oubleshooting Reset Operation If a voltage spik e or static discharge blanks out the displa y or causes erratic thermostat operation, you ma y need to reset the thermostat. T o reset, the System Switch must be in Cool or Heat . Simultaneously press and b uttons f or approximately 10 seconds until the displa y goes blank.
7 T echnical Data R C 24 V A C 120 VA C Hot Neutral THERMOS TA T SYSTEM G W Figure 2. T ypical wiring diagram f or single transf ormer single stage systems TRANSFORMER (Class II Current Limited) Chang.
www .white-rodgers.com www .emersonc limate .com White-Rodgers is a division of Emerson Electric Co. The Emerson logo is a trademark and service mar k of Emerson Electric Co.
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