Control Panel; Description Of The Symbols; Functional Description Of Buttons - Vaillant VWL Series Operating Instructions Manual

3 Product description
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, restart the
product
3.5

Description of the symbols

If you do not press any buttons within one minute, the light
goes out.
Symbol Meaning
Compressor
power
6
kWh/d
E
reset
6 Access to the menu for
additional information
7 Display of the current
assignment of the left-
hand selection button
8 Displays the symbols
for the heat pump's
current operating mode
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.
Symbol Meaning
–
bar Without
decoupling
module
–
Filling
pressure
in the
building
1
circuit
(meas-
ured in
2
the out-
door
unit)
3
–
With decoup-
ling module
4
–
Filling
pressure
in the
building
5
circuit
(meas-
ured in
the in-
door
unit)
Noise reduction
mode
Electric back-up
heater
eco mode
Heating mode
Domestic hot
water generation
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
Explanation
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
–
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