Changing The Language; Testing The High Limit Safety Cut-Out; Matching The Coding Addresses To The System Version - Viessmann Vitotronic 200 Installation And Service Instructions Manual

Commissioning

Changing the language

Press the following keys:
1. c press.

Testing the high limit safety cut-out

The minimum circulation volume
should be 10 % of the circulation
volume at rated output.
Reduce the heat consumption as far
as possible.
1. Hold down the "TEST" key (posi-
tion "h"), until the burner has shut
down:
The control thermostat "R" is
bypassed. The high limit safety cut-
out switches the burner OFF if the
boiler water temperature reaches
the safety temperature.

Matching the coding addresses to the system version

Check and poss. adjust all addresses
in Code 1.
Check the following coding addresses
and adjust accordingly in Code 2:
"0C" Return temperature control
"0d" Therm-Control
"4C" Function plug sÖ
Matching the control unit to the two-stage burner
1. Start the burner.
2. Set the emissions test switch to
"h".
40
2. b for the required language.
3. d to confirm.
2. Release the "TEST" key.
3. Wait until the boiler water tempera-
ture has dropped approx. 15 to
20 K below the selected safety
temperature.
4. Reset the high limit safety cut-out
by pressing "E".
"4d" Function plug sL
"4E" Function plug gS
Note
Further optional adjustments are
listed in code 1 and 2.
3. Determine the maximum burner
output through the fuel consump-
tion.
Record the relevant value.