System Configuration Calling Up Parameters; (Parameters) General - Viessmann Vitovalor PT2 Installation And Service Instructions For Contractors

System configuration (parameters)
Calling up parameters
Parameters are split into the following groups:
■
– "General"
– "Boiler"
– "DHW"
– "Heating circuit 1/2/3/4"
"Fuel cell"
–
Heating systems with 1 heating circuit without mixer
■
and 1 or 2 heating circuits with mixer:
In the following, the heating circuit without mixer is
designated "Heating circuit 1" and the heating cir-
cuits with mixer as "Heating circuit 2/3/4".
If the heating circuits have been designated individu-
ally, the chosen designation appears.
Tap the following buttons:
01. " "
02. "Service"
General
Note
Parameter values in bold are factory settings.
508.0 "UTC time zone"
Setting
528.0 "Set flow temperature for external demand"
Setting
896.0 "Display correction for outside temperature"
Setting
90
03. Enter password "viservice".
04. Use to confirm.
05. "System configuration"
06. Select group.
07. / to select parameters.
08.
09. / for the required value according to the fol-
lowing tables.
10. , to accept the set value.
Explanations
Setting of the UTC time zone in which the appliance is
located.
2 The factory setting is UTC +1 h
24 to +24 Time difference adjustable from
–
crements of 0.5 h
Explanations
Set flow temperature for external demand
70 Set flow temperature in the delivered condition 70 °C
20 to 82 Set flow temperature adjustable from 20 to 82 °C in
1 °C increments
Explanations
Correction of measured outside temperature
0 Correction in the delivered condition 0 K
-10 to + 10 Correction adjustable from -10 to + 10 K in 1 K incre-
ments
12 h to +12 h in in-
–