FCU Setpoints and Operation Modes
Operation modes for controlling room temperature
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Comfort mode: Maintains the desired room temperature when the room is in use.
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Economy mode: Slightly reduces the temperature when the room is not in use or when a lower temperature is sufficient for current usage.
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Standby mode: Significantly lowers the temperature, ideal for nighttime or weekends.
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Frost/Heat protection mode: Turns off heating/cooling to prevent freezing or overheating. The system will automatically activate heating or cooling if the temperature falls below or rises above adjustable setpoints.
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FCU controller  Setpoint |
Setpoint method for operating mode |
Relative/Absolute |
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Base setpoint temperature/ — |
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Automatic H/C mode changeover dead zone/ — |
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Heating |
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Cooling |
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— /Automatic H/C mode changeover minimum zone |
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Selecting the operation mode
The operation mode can be selected using the bus or the user interface through:
- A button on the user interface
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An Operation mode object
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1-bit objects for each mode
Adjusting setpoints
For each operation mode, you can specify setpoints. When changing the operation mode, the relevant setpoint for continued room temperature control is used.
You can adjust operation mode setpoints manually using the user interface or objects.