Setting The Flow Temperature In Heating Mode (With No Controller Connected); Setting The Flow Temperature In Cooling Mode (With No Controller Connected); Handing The Product Over To The Operator; 11 Troubleshooting - Vaillant flexoTHERM exclusive VWF 57/4 Installation And Maintenance Instructions Manual

11 Troubleshooting

3 Groundwater heat
source
A Remaining feed head in
hPa (mbar)
10.2.4.2 Remaining feed head for VWF 8x/4
environment circuit pump at nominal flow
A
800
700
600
1
500
400
300
200
100
0
40 50 60
1 Air heat source
2 Ground heat source
3 Groundwater heat
source
10.2.4.3 Remaining feed head for VWF 11x/4
environment circuit pump at nominal flow
A
800
2
700
1
600
500
400
300
200
100
0
40 50 60
1 Air heat source
2 Ground heat source
3 Groundwater heat
source
32
B Pump output in %
2
3
70 80 90 100
A Remaining feed head in
hPa (mbar)
B Pump output in %
3
70 80 90 100
A Remaining feed head in
hPa (mbar)
B Pump output in %
Installation and maintenance instructions flexoTHERM exclusive 0020213395_00
10.3 Setting the flow temperature in heating
mode (with no controller connected)
1. Activate manual mode.
– Menu → Installer level → Configuration → Enable
limp home mode
2.
Press ( ).
◁
The display shows the flow temperature in heating
mode.
3. Change the flow temperature in heating mode by press-
ing or .
– Max. heating mode target flow temperature: 75 ℃
4.
Confirm this change by pressing
10.4 Setting the flow temperature in cooling
mode (with no controller connected)
1. Activate manual mode.
– Menu → Installer level → Configuration → Enable
B
limp home mode
2.
Press twice.
◁
The display shows the value of the flow temperature
in cooling mode.
3. Change the flow temperature in cooling mode by press-
ing or .
4.
Confirm this change by pressing
Note
At the factory, the target flow temperature
can be set to between 20 °C and 16 °C in
passive cooling mode.
10.5

Handing the product over to the operator

▶
Explain to the operator how the safety devices work and
where they are located.
▶
Inform the operator how to handle the product.
▶
In particular, draw attention to the safety information
which the operator must follow.
▶
Inform the operator of the necessity to have the product
maintained according to the specified intervals.
▶
B
Pass all of the instructions and documentation for the
product to the operator for safe-keeping.
11 Troubleshooting
11.1 Displaying the Live Monitor (current
product status)
Menu → Live Monitor
–
You can use the Live Monitor to display the current status
of the product.
Status codes – Overview (→ Page 41)
(OK).
(OK).