Use the Time delay from occupied to unoccupied mode feature to set a delay for the change of
mode. The thermostat waits the specified amount of time before it triggers the unoccupied action.
You can manually override the unoccupied mode to occupied mode. Set the Override timer from
unoccupied to occupied mode by button press to 1-24 to enable override. You can override the
unoccupied mode in time periods from one up to 24 hours.
Setting the temperatures
About this task: You can set the heat and cool temperatures when the thermostat is in Hold mode
or Schedule mode. Schedule mode is available on the FCP-PA model only.
• To change the temperature set point, press Up or Down.
Result If the thermostat is in Hold mode, the thermostat runs on the set temperature until you
change the set point. If the thermostat is in Schedule mode, the thermostat runs on the override
temperature until the next scheduled period.
Temperature swing
About this task: The temperature swing is the threshold above and below the set temperature at
which the heating or cooling cuts-in or cuts-out. The default swing value is ±0.50°F. You can set the
swing value to ±0.25°F, ±0.50°F, ±1.00°F, or ±2.25°F. A smaller swing value means the thermostat
responds faster to temperature changes, and a more frequent switching of heating or cooling
output. A larger swing value can help with short cycling. For example, if the system heats up and
cools down fast, then you can use a greater swing value to reduce the frequency of switching
cycles.
To change the temperature swing value, complete the following steps:
1. Press Mode to set the thermostat to OFF mode.
2. Press and hold Mode and Fan for 5 seconds to access the advanced settings menu.
3. Press Up to navigate to IS, then press Mode to enter the menu.
4. Press Mode to navigate to 46.
5. Use the Up and Down buttons to change the swing value and press Mode to confirm the
change.
Display settings
You can adjust the following display settings:
• Temperature scale
• Displayed temperature calibration
• Backlight
• Displayed temperature
Setting the temperature scale
You can display the temperature in Fahrenheit or Celsius. The default scale is Fahrenheit. To change
the temperature scale, complete the following steps:
1. Press Mode to set the thermostat to OFF mode.
2. Press and hold Mode and Fan for 5 seconds to access the advanced settings menu.
3. Press Up to navigate to UP, then press Mode to enter the menu.
4. Press Mode to navigate to 01.
21FCP Non-Programmable and Programmable Fan Coil or PTAC Thermostat Largo User Guide
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