Step 7. Set Thermostat Configuration - Carrier TC-PHP01-BLK Installation Manual

STEP 7. SET THERMOSTAT CONFIGURATION

When power is applied, all display icons are lit for 2 seconds to test the
display.
Following this, the equipment type for which the thermostat is configured is
displayed for an additional 2 seconds. It will be one of HP, H2, AC, A2, H or
C. You may need to make an adjustment to this setting depending on the
system you've connected. See explanation under Step 3, Option 01 below.
The remaining settings are preconfigured for the most common system type.
To adjust the default configuration, you will need to enter Configuration Mode.
A description of each configurable option is listed below.
To Enter The Configuration Mode:
1. Press and hold the FAN key for about 10 seconds until the display
changes so that only two pairs of digits are showing.
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