Viessmann VITOFLEX 300-UF Operating Instructions Manual page 36

Further checks and manual mode
Subsection pages for auxiliary systems
Default set value
"Flow" Actual and set flow temperature in °C
"Default flow temperature"
"External demand"
Boiler 2
"Cylinder" (heating water buffer cylinder)
Actual and set cylinder temperature in °C
"Boiler 2"
Subsection pages for heat distribution
The subsection pages for heat distribution are called
up as follows:
1. In the overview of the auxiliary systems, tap on
button
2. In the overview, tap the following buttons:
DHW
Heating circuit
DHW
"DHW operating mode" Actual temperature in °C
Heating circuit
"Heating circuit operating mode" Actual tempera-
ture in °C
"ON" The heating circuit is operational
Symbols
Day mode/night setback
Day mode/night mode
36
(cont.)
Boiler status or operating mode
Symbols
Display of valve opening in %
M
Operating display of the DHW pump or heating cir-
cuit pump in °C
Green colour: Pump running
Grey colour: Pump not running
Operating display of the DHW circulation pump
Green colour: DHW circulation pump running
Grey colour: DHW circulation pump not running
Day mode/night switch-off
Symbol for Frost protection is displayed when
the outside temperature falls below 3 °C.