Viessmann VITOCAL 150-A Operating Instructions For The System User page 39

Restoring factory settings
System setting
"System"
"DHW"
"Heating/cooling circuit 1"
"Heating/cooling circuit 2"
"Heating/cooling circuit 3"
"Heating/cooling circuit 4"
Tap the following buttons:
1.
2. "Settings"
(cont.)
Settings and values that are reset
Time program for quieter operation
DHW temperature
■
Time program for DHW heating
■
Time program for DHW circulation pump
■
Reduced room temperature
■
Standard room temperature
■
Comfort room temperature
■
Time program for room heating
■
Heating curve slope and level
■
Comfort and energy saving functions ("Extend time phase once",
■
"Holidays at home", "Holiday program") are switched off.
3.
4.
"Factory settings"
to confirm
Further adjustments
39