Viessmann VITOFLEX 300-UF Operating Instructions Manual page 18

Settings
Heat distribution settings
Parameter Description
Set DHW tempera- Set temperature for DHW
ture
Offset, set return Setting specifies how much above the actual DHW
temperature temperature the set return temperature is
Start hysteresis Setting specifies how much below the set DHW
temperature the DHW heating starts
Set valve runtime Valve runtime from 0 % to 100 %
"Heating periods" tab
Column
Parameter
Start
End
Weekdays
Setting heating times
1. In the "Heating period 1" line, tap on the "Start"
column.
2. Using the numeric keypad, enter the time.
Confirm with "Enter" or terminate the entry with
"Esc".
3. In the "Heating period 1" line, tap on the "End"
column and enter the time.
Confirm with "Enter" or terminate the entry with
"Esc".
"DHW circulation" tab
Column
Parameter
Start
End
Weekdays
Parameter Description
Operating status Displays the current operating phase for DHW circulation
Pump pulse On/off times for the component's operation:
■
Pump pause
■
Setting heating times
1. In the "Period 1" line, tap on the "Start" column.
2. Using the numeric keypad, enter the time.
Confirm with "Enter" or terminate the entry with
"Esc".
18
(cont.)
Description
Heating period 1 to Heating period 7
Start of heating phase
End of heating phase
Monday "MO" to Sunday "SU"
Description
Period 1 to period 4
Start of heating phase
End of heating phase
Monday "MO" to Sunday "SU"
Pulse = Component is on
Pause = Component is off
Setting in Setting
°C
°C
°C
Seconds
4. Activate the set heating periods by selecting the
weekdays.
The display of the selected days of the week
changes to showing the
5. Repeat steps 1 to 4 to input further heating peri-
ods.
Setting in Setting
Minutes
3. In the "Period 1" line, tap on the "End" column
and enter the time.
Confirm with "Enter" or terminate the entry with
"Esc".
Standard
range value
40 to 80 60
5 to 30 30
1 to 10 5
20 to 500 140
in "green".
Standard
range value
0 to 60 0
0 to 60 60