Viessmann Vitocal 300-G BW, Installation And Service Instructions Manual

Page: 130 / 216

130
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 operating at the
contractor level. A code must be entered
to access the contractor level.
Customer level parameters that are
explained in the
operating instruc-
tions , are not explained here. However,
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 modified 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.
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
Control unit settings
Menu structure overview – main menu
5368 522 UAE