4
Setup options define the type of system you are installing and preferences for the
display.
When newly installed, the thermostat goes into intstaller setup when first powered.
If re-entering installer setup at a later time, go to menu, installer options, and enter
the passcode (shown on page 2).
1 Follow prompts on the screen to select
the appropriate options.
2 For all installer options, press the s or
t buttons to change the option.
3 Press Next to move to the next setting, and Done when setup is complete.
NOTE: The product data sheets list all installer setup options and is available at
customer.resideo.com.
** The THP9045A1098 C-wire adaptor is used on heat/cool systems when you only have four
wires at the thermostat and you need a fifth wire for a common wire. Use the K terminal in place
of the Y and G terminals on conventional or heat pump systems to provide control of the fan and
the compressor through a single wire—the unused wire then becomes your common wire. See
THP9045 instructions for more information.
Performing installer setup
APPLICATION
residential
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