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1 Specifi cations ............................................................................................................................................... 2 Important Safety Information ........................................................................................................................ 2 Package Contents/Tools Required ............................................................................................................... 2 To Remove Existing Thermostat ................................................................................................................... 3 To Install Thermostat .................................................................................................................................... 3 Wiring Diagrams ........................................................................................................................................... 5 Confi guration Mode ...................................................................................................................................... 6 Testing the Thermostat ................................................................................................................................. 9 Mode of Operation ...................................................................................................................................... 10 Troubleshooting ...........................................................................................................................................11 Parts Diagram Parts Diagram Specifications Specifications Electrical rating: • 24 VAC (18-30 VAC) • DC Power: 3.0 VDC (2 “AA” batteries included) • 1 amp maximum per terminal • 3 amp maximum total load Temperature control range: 45°F to 90°F (7°C to 32°C) Accuracy: ± 1°F (± 0.5°C) System configurations: 1-stage heat, 1-stage cool, heat pump, electric Timing: Anti-short Cycle:5 minutes Backlight Operation: Battery for 5 seconds, hardwired for 10 seconds Terminations: RC, RH, W,Y, B, O, GL, GH, C Important Safety Information warning!: Always turn off power at the main power supply before installing, cleaning, or removing thermostat. • This thermostat is for 24 VAC applications only; do not use on voltages over 30 VAC • Do not short across terminals of system control to test operation; this will damage your thermostat and void your warranty • All wiring must conform to local and national electrical and building codes • Do not use air conditioning when the outdoor temperature is below 50 degrees; this can damage your A/C system and cause personal injuries • Use this thermostat only as described in this manual Package Contents/Tools Required Package includes: RT5 thermostat on base, thermostat cover, wiring labels, screws and wall anchors, Installation, Operation and Application Guide Tools required for installation: Drill with 3/16" bit, hammer, screwdriver ELECTRICAL SHOCK HAZARD – Turn off power at the main service panel by removing the fuse or switching the appropriate circuit breaker to the OFF position before removing the existing thermostat. To Remove Existing Thermostat To Remove Existing Thermostat 1. Turn off power to the heating and cooling system by removing the fuse or switching the appropriate circuit breaker off. 2. Remove cover of old thermostat. This should expose the wires. 3. Label the existing wires with the enclosed wire labels before removing wires. 4. After labeling wires, remove wires from wire terminals. 5. Remove existing thermostat base from wall. 6. Refer to the following section for instructions on how to install this thermostat. ELECTRICAL SHOCK HAZARD – Turn off power at the main service panel by removing the fuse or switching the appropriate circuit breaker to the OFF position before removing the existing thermostat. To Install Thermostat IMPORTANT: Thermostat installation must conform to local and national building and electrical codes and ordinances. Note: Mount the thermostat about five feet above the floor. Do not mount the thermostat on an outside wall, in direct sunlight, behind a door, or in an area affected by a vent or duct. 1. Turn off power to the heating and cooling system by removing the fuse or switching the appropriate circuit breaker off. To Install Thermostat (continued) 2. To remove cover, insert and twist a coin or screwdriver in the slots on the sides of the thermostat. 3. Put thermostat base against the wall where you plan to mount it (Be sure wires will feed through the wire opening in the base of the thermostat). 4. Mark the placement of the mounting holes. 5. Set thermostat base and cover away from working area. 6. Using a 3/16” drill bit, drill holes in the places you have marked for mounting. 7. Use a hammer to tap supplied anchors in mounting holes. 8. Align thermostat base with mounting holes and feed the control wires through wire opening. 9. Use supplied screws to mount thermostat base to wall. 10. Insert stripped, labeled wires i...