Viessmann Vitotronic 100 Installation And Service Instructions Manual page 29

Checking the outputs (actuator test)
Note
Before an actuator is selected, all actuators are
switched to zero volt.
Display
0
1
2
4
5
15
16
17
18
19
(cont.)
Explanation
All actuators are off.
The burner or burner stage 1 is switched on.
Burner stage 2 is switched on.
The heating circuit pump starts.
The circulation pump for cylinder heating starts.
Output for solar circuit pump
Output for solar circuit pump
mum speed.
Output for solar circuit pump
mum speed.
Output sS on solar control module, type SM1 active.
Contact P - S at plug
aBJ
The actuators listed in the table can be tested at the
relay outputs, subject to system equipment level and
control unit configuration.
on solar control module, type SM1 active.
sF
sF on solar control module, type SM1, switched to mini-
sF on solar control module, type SM1, switched to maxi-
of EA1 extension closed.
Commissioning
29