Control Panel; Description Of The Symbols; Functional Description Of Buttons; Type Designation And Serial Number - Vaillant VWL 57/5 IS Operating, Installation And Maintenance Instructions

3.4

Control panel

9
120
8
7
6
1 Displays the daily envir-
onmental energy yield
2 Display of the current
assignment of the right-
hand selection button
3 Left- and right-hand
selection buttons
4
and button
5 Reset button
3.5

Description of the symbols

If you do not press any buttons within one minute, the light
goes out.
Symbol Meaning
Compressor
power
bar Filling pressure
in the heating
circuit
Noise reduction
mode
0020257319_02 Hydraulic station Operating instructions
kWh/d
E
reset
6 Access to the menu for
additional information
7 Display of the current
configuration of the left-
hand selection button
8 Displays the symbols
for the current operating
status of the heat pump
9 Display
Explanation
–
Not filled: Compressor not in
operation
–
Partially filled: Compressor in
operation. Partial load mode.
–
Fully filled: Compressor in
operation. Full load mode.
The dashed lines show the
permitted range.
–
Displayed statically: Filling
pressure in the permitted
range
–
Displayed flashing: Filling
pressure outside of the
permitted range
–
Operation with reduced
sound emissions
Symbol Meaning
Electric back-up
heater
1
2
eco mode
3
Heating mode
4
Domestic hot
water generation
5
Cooling mode
Fault condition
F.XXX
3.6

Functional description of buttons

The two selection buttons are soft keys, meaning that they
can be assigned different functions.
Button Meaning
–
Cancelling the change to a set value or
activating an operating mode
–
Calling up a higher selection level in the
menu
–
Confirming a set value or activating an oper-
ating mode
–
Calling up a lower selection level in the
menu
Calling up the additional functions
+
–
Navigating between individual menu items
or
–
Increasing or decreasing the chosen set
value
Adjustable values flash in the display.
You must always confirm a change to a value. Only then is
the new setting saved. You can press
cess at any time. If you do not press any buttons for longer
than 15 minutes, the display returns to the basic display.
3.7

Type designation and serial number

The type designation and serial number are on the data
plate.
Product description 3
Explanation
–
Displayed flashing: Electric
back-up heater in operation
–
Displayed together with the
"Heating mode" symbol:
Electric back-up heater
active for heating mode
–
Displayed together with
the "Domestic hot water
generation" symbol: Electric
back-up heater active for
domestic hot water mode
–
Energy-saving domestic hot
water mode
–
Heating mode active
–
Domestic hot water mode
active
–
Cooling mode active
–
Appears instead of the basic
display, may be an explanat-
ory plain text display
to cancel a pro-
5