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

Page: 107 / 216

107
3. Access rights
!
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.
1. Contractor authorisation: " Enter
code: 5243 " and confirm by pressing
"OK" twice.
2. Should "fault messages" already be
displayed, these can be skipped with
keys
"ALL" and "BACK" .
4. Programming
For further help and information,
see the separate menu tree.
Setting parameters (matching the
control unit to the system)
1. Example: "System definition"
■ "System diagram:" e.g. 4
■ "External extension:" Yes (if instal-
led)
■ "Type Vitosolic:" 0 to 2
■ "Vitocom 100:" Yes (if installed)
2. Return to the "Programming" level via
key
"BACK" . Here, further menu
options can be programmed.
3. When all required menu options have
been programmed, access "Sensor
temperature" with key
"F" .
For explanations to the individual menu
options and their programming, see from
page 130.
5. Sensor temperatures
Check whether all sensors have been connected as per the connection diagram on
page 177. For this, scan "Sensor temperatures".
Operating instructions
Check the sensor status. Are all sensors
enabled and do they transmit their val-
ues to the control unit?
1. If displayed values deviate by more
than 1 K from actual values, calibrate
the sensors via keys
0
and
= .
2. Change to the next function with key
"BACK" .
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5368 522 UAE
Service