6
49-5000400 Rev. 1
Installation Instructions
To Install Thermostat (continued)
10. Use supplied screws to mount thermostat base
to wall.
11. Insert stripped, labeled wires in matching wire
terminals by pressing on the corresponding
terminal contact. See the “Wiring Diagrams”
section of this manual.
CAUTION
Make sure exposed portion of wires
does not touch other wires.
12. Gently tug wire to be sure of proper connection.
Double check that each wire is connected to the
proper terminal.
13. For Heat Pump models (ARH15AAC*), flip switch
#1 to the on position (reference figure on the
following page).
14. Replace cover on thermostat by aligning the cover
and snapping the bottom it in place.
15. Turn on power to the system at the main service
panel.
16. Test thermostat operation as described in the
“Testing the thermostat” section.
