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Fan Coil Actuator FCA 2
6.8 Fan control
6.8.1 Priorities
Figure 16
The heating system = convector / fan coil and cooling system = convector / fan coil parameters
have the highest priority (1.). The fan is not actuated with the convector.
The additional ventilation parameter has the lowest priority and is only activated if the fan is to
be switched off due to the actuating value and additional ventilation is permitted via parameters.
Important:
In the standard heating or cooling mode, the Open from actuating value parameter is
taken into account (Heating valve, cooling valve or heating/cooling valve parameter page).
Table 68: Example with Open from actuating value = 40 % parameter:
Actuating value Fan behaviour
1 .. 39 %
The fan does not start because the valve has not been opened*.
40 % .. 100 %
The corresponding fan stage is accepted
*The Additional ventilation function can still be used.
Updated: Feb-16 (subject to changes)
1. Convector
2. Fan block
3. Limitation
4. Forced operation
5. Actuating value heating/cooling
6. Additional ventilation
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