Technical data

98
Initial start-up
Further step-by-step instructions (continued)
Checking outputs (actuators) and sensors
Vitotronic 100


Relay test
1. Press 9 and simultaneously for
approx. two seconds.
2. Select the relay outputs
with or .
3. Press .
The following relay outputs may be selected:
Display
indication
Relay function
11
Burner or stage 1 ON
12
Burner stage 1 and 2 ON or modulation up
13
Burner modulation neutral
14
Burner stage 1 ON (modulation down)
15
Output 20 ON
16
Output 29 ON
17
Output 52 open
18
Output 52 neutral
19
Output 52 close
11
Central fault message ON


Check sensors
1. Press .
Scanning operating conditions is
active, see page 106.
2. Scan the actual temperature with
or .
3. Press .
Scanning is completed.
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