Vaillant VWZ AI, Operating Instructions Manual, Page: 9 / 40

Operation 4
0020291573_00 Heat pump control interface module Operating instructions
7
4.4.5 Displaying the Live Monitor
Menu
→
Live Monitor
You can use the Live Monitor to view the current status of
the product.
4.4.6 Displaying the building circuit pressure
Menu
→
Live Monitor
→
Building circuit pressure
You can use this function to display the current filling pres-
sure in the heating installation.
4.4.7 Reading the operating statistics
Menu
→
Information
→
Heating op. hours
Menu
→
Information
→
DHW operating hours
Menu
→
Information
→
Cooling op. hours
Menu
→
Information
→
Total operating hours
You can use this function to display the operating hours
for heating mode, for domestic hot water mode, for cooling
mode and for overall operation.
4.4.8 Setting the language
1. If you want to set another language, press and hold
and at the same time .
2. Also press the reset button for a short time.
3. Press and hold and until the display shows the
language setting.
4. Select the required language by pressing or .
5. Press (OK) to confirm your selection.
6. Once you have set the correct language, press (OK)
again to confirm this.
4.4.9 Set display contrast
Menu
→
Basic settings
→
Display contrast
▶
You can set the contrast here.
4.4.10 Serial number and article number
Menu
→
Information
→
Serial number
The product's serial number is displayed.
The article number is found in the second line of the serial
number.
4.4.11 Contact details for the competent person
Menu
→
Information
→
Contact data Phone number
If the competent person has entered their telephone number
during the installation, you can read it here.
4.5 Setting the heating flow temperature
Condition : No system control connected
▶
Press in the basic display.
▶
Use or to change the value and confirm this.
Condition : System control connected
▶
Set the heating flow temperature on the system control,
→
System control operating instructions.
4.6 Setting the domestic hot water temperature
Condition : No system control connected
▶
Press in the basic display.
▶
Use or to change the value and confirm this.
Condition : System control connected
▶
Set the domestic hot water temperature on the system
control,
→
System control operating instructions.
4.7 Switching off the product's functions
4.7.1 Switching off heating mode (Summer mode)
Condition : No system control connected
▶
Press in the basic display.
▶
Use to change the value to zero and confirm this.
Condition : System control connected
▶
Switch off heating mode on the system control (summer
mode),
→
System control operating instructions.
4.7.2 Switching off domestic hot water generation
Condition : No system control connected
▶
Press in the basic display.
▶
Use to set the value to zero and confirm this.
Condition : System control connected
▶
Switch off the domestic hot water generation at the sys-
tem control (
→
System control operating instructions).
4.7.3 Draining the heating installation
Another way to protect the heating installation and the
product from frost for very long switch-off times is to drain
them completely.
▶
Consult a competent person about this.