Testing The High Limit Safety Cut-Out; Type Ko1B; Type Ko2B; Changing The Language - Viessmann VITOTRONIC 200 Installation And Service Instructions Manual

Testing the high limit safety cut-out

Type KO1B

1. Hold down the "test" key (position " ") until the
burner shuts down:
The temperature controller " " is bridged. When
the boiler water temperature reaches the safety
temperature, the high limit safety cut-out switches
the burner off.

Type KO2B

Fig.25

Changing the language

At the commissioning stage, the display is in German
(factory setting).
X 1
2
A B
2. Release the "test" key.
3. Wait until the boiler water temperature has dropped
approx. 15 to 20 K below the selected safety tem-
perature.
4. Press the reset button.
1. Shut down the heating system.
2. Insert jumper at test terminals
B
3. Switch on the heating system.
The temperature controller " " is bridged. When
the boiler water temperature reaches the safety
temperature, the high limit safety cut-out switches
the burner off.
4. Shut down the heating system.
5. Remove jumper .
B
6. Switch on the heating system.
7. Wait until the boiler water temperature has dropped
approx. 15 to 20 K below the selected safety tem-
perature.
8. Press the reset button.
Sprache
Deutsch
Bulgarski
Cesky
Dansk
Wählen mit
Fig.26
Commissioning
.
A
DE
ê
ç
BG
ê
CZ
ê
DK
ê
(
27