Control Unit Settings By The Contractor - Viessmann Vitocal 300-G Installation And Service Instructions Manual

Control unit settings
Menu structure overview
Separate document; menu tree

Control unit settings by the contractor

Only those settings are described on
the following pages that are the
exclusive domain of specialists oper-
ating at the contractor level. A code
must be entered to access the con-
tractor level.
Customer level parameters that are
explained in the operating instruc-
tions, are not explained here. How-
ever, they are listed in the order in
which they appear in the control
menu.
!
Please note
Incorrect operation at the con-
tractor level can result in
damage to the appliance and
the heating system. All modi-
fied values will be accepted
automatically.
Always observe the installation
instructions; failure to observe
these will void your warranty
rights.
Note
The contractor level remains active
until key "Standard display" is
pressed again or no operation took
place for 30 min. This activates the
user level.
136
main menu
Access
Should "fault messages" already be
displayed, these can be skipped
with key "BACK".
Device settings
Access rights
Enabling the contractor level:
"Enter code: 5243"
Confirm twice with "OK"
Note
The availability or display of the
parameters described depends on
the current device settings.
As identifier, all parameters are
given a 4-digit ID.
The parameter descriptions include
the following details:
ID
Parameter description
Access in the menu tree
Standard setting in the delivered
condition
Possible setting range