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49-5000400 Rev. 5 7
Installation Instructions
To Install Thermostat and Main Control (continued)
17.
Use supplied screws to mount thermostat base
to wall.
18. Insert stripped, labeled wires in matching wire
terminals and tighten terminal screws once
properly aligned. See the “Wiring Diagrams”
section of this manual.
CAUTION
Make sure exposed portion of wires
does not touch other wires.
19. Gently tug each wire to be sure of proper
connection. Verfiy that each wire is connected to
the proper terminal.
20. For Heat Pump models (ARH13AHC_ &
ARH15AAC_), flip switch #1 to the “ON” position
(see figure on page 12). Additionally, if your unit
will not be connected to a furnace, furnace mode
can be disabled by toggling switch #4 to the “ON”
position (see figure on page 12).
21. Reattach the thermostat cover by aligning the cover
and snapping the bottom in place.
22. Turn on power to the system at the main service
panel.
23. Test thermostat operation as described in the
“Testing the thermostat” section.
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