Viessmann VITOCAL 300-G PRO Installation And Service Instructions Manual page 86

Commissioning, inspection, maintenance
Further details regarding the individual steps
Commissioning without the commissioning wizard
Activating the service menu
The service menu can be activated from
any other menu.
Hold down OK + å simultaneously for
approx. 4 s.
Disabling the service menu
The service menu remains active until it
is disabled with "Terminate service?",
or if it is not used for 30 minutes.
Setting parameters using the "Sys-
tem scheme" example
To set a parameter, first select the
parameter group and then the parame-
ters.
All parameters are displayed as plain
text. A parameter code is also assigned
to each parameter.
Required parameters for components connected on site
Detailed explanations on
parameters
Vitotronic 200 heat pump control
unit service instructions
86
(cont.)
Service menu:
1. Hold down OK + å simultaneously
for approx. 4 s.
2. Select "Coding level 1".
3. Select parameter group: "System
definition"
4. Select parameter: "System scheme
7000"
5. Set system scheme: "6"
Alternatively, if the service menu was
already active:
Extended menu
1. å
2. "Service"
3. Select "Coding level 1".
4. Select parameter group: "System
definition"
5. Select parameter: "System scheme"
6. Confirm parameter code: "7000"
7. Set system scheme: "6"