Switch output (event) indicator:
• The switch output is switched on (relay contacts are closed) when the switch output indicator lights up.
• The switch output is switched off (relay contacts are open) when the switch output indicator does not light up.
• The switch output indicator shows in active firing mode, while a program is running, whether the switch output (event)
is active (indicator lights up) or inactive (indicator does not light up).
Event ON
Event OFF
Note:
Before the program runs, the switch output (event) is inactive (relay contacts are open).
6.5.5.
Programming the exhaust air flap (ST 411 only)
To be able to program an exhaust air flap in the firing program, the additional switch output must first be set to "2" in the
parameter configuration (see Section 10./Parameter no. 45).
⇒ If parameter no. 45 has not been set to "2", the wrong configuration menu is displayed.
Note:
1. If no button is pressed for 30 seconds, the control automatically exits the exhaust air flap temperature configuration
menu. Previous entries are not saved and will be lost.
2. The controller must not be running a program when programming the exhaust air flap temperature ("Program running"
indicator must not light up).
3. In the sequence described, it is important that the
be saved.
Programming the exhaust air flap in the configuration menu:
Step
Display screen
1
d Pr.C
2
d Pr.C
3
410
4
411
5
411
6
d Pr.O
7
The LED for the indicator above the switch output (event) key lights up.
The LED for the indicator above the switch output (event) key does not light up.
g
Icon
Description
The control unit must not run a firing
program during programming.
h
Press the
and
to open the configuration menu.
h
Release the
g
Press the
key.
Enter the exhaust air flap closing
temperature by pressing the
key.
g
Press the
key to confirm the entry.
The menu for the exhaust air flap opening
temperature is displayed.
58 / 280
key is pressed a total of four times, otherwise, changes will not
g
keys simultaneously
g
and
keys.
d
f
or
Remark
If necessary, stop the firing
j
program with the
key.
The menu for the exhaust air flap
closing temperature is displayed.
The last set exhaust air flap
closing temperature is displayed.
The keys can also be held down
for faster input.