5 Operating and display functions
12
Operating instructions
multiMATIC
0020255037_00
–
You can use this function to read the total fuel consump-
tion in kWh for hot water since start-up.
5.1.2.2 Diagram: Reading the solar yield
Menu
→
Information
→
Solar yield
–
The diagram under
Solar yield
shows a comparison of
the monthly solar yields between the previous and the
current year.
The total yield is displayed on the bottom right. The highest
value achieved in one month for the last two years is dis-
played in the top right.
5.1.2.3 Diagram: Reading the environmental yield
Menu
→
Information
→
Environmental yield
–
The diagram under
Environmental yield
shows a com-
parison between the monthly environmental yields for the
previous year and for the current year.
The total yield is displayed on the bottom right. The highest
value achieved in one month for the last two years is dis-
played in the top right.
5.1.2.4 Diagram: Reading the electrical
consumption
Menu
→
Information
→
Electrical consumption
–
The diagram under
Electrical consumption
shows a
comparison between the monthly consumption of electri-
city for the previous year and for the current year.
The total yield is displayed on the bottom right. The highest
value achieved in one month for the last two years is dis-
played in the top right.
5.1.2.5 Diagram: Reading the fuel consumption
Menu
→
Information
→
Fuel consumption
–
The diagram below
Fuel consumption
shows a compar-
ison between the monthly fuel consumption for the previ-
ous year and for the current year.
The total yield is displayed on the bottom right. The highest
value achieved in one month for the last two years is dis-
played in the top right.
5.1.2.6 Diagram: Reading the heat recovery yield
Menu
→
Information
→
Heat recovery
–
The diagram under
Heat recovery
shows a comparison
between the monthly heat recovery yield for the previous
year and for the current year.
The total yield is displayed on the bottom right. The highest
value achieved in one month for the last two years is dis-
played in the top right.
5.1.3
Read competent person contact details
Menu
→
Information
→
Contact details
–
If the competent person entered their company name and
telephone number when they installed the product, you
can read this data under
Contact details
.
5.1.4
Reading the serial number and article
number
Menu
→
Information
→
Serial number
–
Serial number
shows the serial number of the control-
ler, which the competent person may require you to tell
him. The article number is found in the second line of the
serial number.
5.2
Settings
5.2.1
Setting desired temperatures
This function is used to set the desired temperatures for the
zone and hot water generation.
5.2.1.1 Zone
Menu
→
Desired temperatures
→
ZONE1
–
You can set different desired temperatures for the zone:
Heating
–
The desired
Day temp. heating
temperature is the tem-
perature that you want to have in the rooms during the
day or when you are at home.
–
The desired
Set-back temp. heat.
temperature is the
temperature that you want to have in the rooms during
the night or when you are away from home.
Cooling
–
The desired
Day temp. cooling
temperature is the tem-
perature that you want to have in the rooms during the
day or when you are at home.
5.2.1.2 Hot water generation
Danger!
Risk of death from legionella.
Legionella multiply at temperatures below
60 °C.
▶
Have a competent person inform you
about the measures that should be taken
to protect against Legionella in your in-
stallation.
▶
Do not set any water temperatures below
60 °C without consulting the competent
person first.
Menu
→
Desired temperatures
→
Domestic hot water
–
You can set the desired
Domestic hot water
temperat-
ure for the domestic hot water circuit.
If a heat pump is connected and you have set the desired
temperature to above 55 °C, it may be the case that it is the
back-up boiler that predominantly takes on the task of sup-
plying domestic hot water.
5.2.2
Setting the ventilation level
Menu
→
Ventilation stage
–
You can use this function to set how quickly the used
room air is replaced with fresh outside air.
The
Max. vent. stage: Day
ventilation level ensures the ex-
change of air that you want to have in the rooms during the
day or when you are at home. The
Max. vent. stge: Night
