Honeywell 7500 D Manual
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RTH7400/RTH7500 Series Programmable Thermostat 69-2221EF-03 Quick Installation Guide
69-2221EF—03 ii Advanced Installation Guide Installation is Easy Label wires and remove your old thermostat Install and wire your new thermostat Set your new thermostat to match your heating/cooling system– This thermostat works with virtually all System Types – It is preset for the most common system We are here to help. Call 1-800-468-1502 for wiring assistance before returning the thermostat to the store.
1 69-2221EF—03 RTH7400/RTH7500 Series 1Turn Off Power to Heating/ Cooling System M28097
69-2221EF—03 2 Advanced Installation Guide Remove old thermostat but leave wallplate with wires attached. 2Remove Old Thermostat M28099 MERCURY NOTICE Is there a sealed tube containing mercury? If so, see back cover for proper disposal instructions. Leave wallplate in place Old thermostat Cover
3 69-2221EF—03 RTH7400/RTH7500 Series Label the wires using the supplied wire labels as you disconnect them. 3Label Wires with Tags Wire Labels M28100 M28093 NOTE: Jumper wire used on old thermostat? If yes, note what letters the jumper connected and review in wiring section.
69-2221EF—03 4 Advanced Installation Guide Remove wallplate from the new thermostat and mount onto wall. M28073 4Separate Wallplate from New Thermostat Wallplate
5 69-2221EF—03 RTH7400/RTH7500 Series Mount the new wallplate using the included screws and anchors. 5Mount Wallplate M28094 Drill 3/32-in. holes for plaster Drill 3/16-in. holes for drywall Use hammer to tap the anchors into the wall.
69-2221EF—03 6 Advanced Installation Guide Simply match wire labels. Remove metal jumper if you have both R and Rc wires. MCR28845 W2 Y2 C G Y W RC R LABELED WIRES SCREW CONVENTIONAL INSER T WIRES THEN TIGHTEN SCREWS WIRE HOLE Y G R W CONVENTIONAL 6Connect Wires Labels don’t match? See page 21. Have a Heat Pump system? See pages 22–23. We are here to help. Call 1-800-468-1502 for wiring assistance.
7 69-2221EF—03 RTH7400/RTH7500 Series Install two AA alkaline batteries and remove tab. M28101Back of thermostat Remove tab. M28102 7Install Batteries
69-2221EF—03 8 Advanced Installation Guide Install thermostat onto the wallplate on the wall. M28103 8Install Thermostat onto Wallplate