Carrier TC-PHP01-BLK Installation Manual page 17

Description: This selection operates the thermostat in either Fahrenheit or
Centigrade.
Option 04 - G (fan) ON with W(Heat) Selection
Default: G not energized with W (OF)
Options: G not energized with W (OF), G energized with W (ON)
Description: This selection determines whether the fan (G) is to be ON or
OFF when W (furnace or strip heat) is ON. Furnaces and fan coils which
manage their own blowers do not require a separate G signal. Some auxiliary
heaters require a separate G signal to operate the blower when W is applied.
Option 07 - Zoning
Default: Non-zoned system (OF)
Options: Non-zoned system (OF), Zoned system (ON)
Description: ON disables thermostat's internal timers which are not needed
with zoning system controls. Must be set to OF for non-zoned systems.
Option 10 - Reversing Valve
Default: Reversing valve energized in cooling (C)
Options: Reversing valve energized in cooling (C), Reversing valve energized
in heating (H)
Description: Applies only when configured for Heat Pump applications. Most
systems use the orange (O) wire and are energized in cooling.
SSelect Energized in Cooling (C) if you connected an (O) wire in the O/B
terminal to activate the reversing valve output when there is a call for
cooling.
SSelect Energized in Heating (H) if you connected a (B) wire in the O/B
terminal to activate the reversing valve output when there is a call for
heating.
15