7.10 External selection of the operating mode
7.10.1 External selection of the operating mode using the four-staged
switch
The operating mode of the ventilation can be determined by an external switch (–> Fig. 24)
with four switch positions (OFF, Automatic operation, Fan speed 1 = ON, Fan speed 2 =
ON). For this, the operating mode switch must be set to automatic operation (
).
Functions
WE
Configuration
2-speed fans over BA2/BA3
OFF
0 sec
Fb11 = ON
BA2 = BA3 = ON ( –> page 63)
BA2 = OFF, BA3 = ON (–> page 63)
Delay time / 0 to 60 sec
External demand for operation with BE1 + BE4 OFF
Fb13 = ON
External demand for fan speed 2
OFF
Fb19 = ON,
option:
BE7*
* BE7 recognizable from the square at the bottom right of 7
7.10.2 External selection of the operating mode using Type 5257-6 Room
Panel
The ventilation operating mode can be determined using the Type 5257-6 Room Panel for
wall mounting (Fig. 24).
EB 5477 EN
73
System-wide functions
29
BE 1
BE 4
BE 7
27
25
23
30
28
26
24
21
19
17
15
Fig. 23 · Example for the selection of the operating mode with an external switch
TROVIS 5477