Product description 3
0020257319_02 Hydraulic station Operating instructions 5
3.4 Control panel
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
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
3.5 Description of the symbols
If you do not press any buttons within one minute, the light
goes out.
Symbol Meaning Explanation
Compressor
power
– Not filled: Compressor not in
operation
– Partially filled: Compressor in
operation. Partial load mode.
– Fully filled: Compressor in
operation. Full load mode.
Filling pressure
in the heating
circuit
The dashed lines show the
permitted range.
– Displayed statically: Filling
pressure in the permitted
range
– Displayed flashing: Filling
pressure outside of the
permitted range
Noise reduction
mode
– Operation with reduced
sound emissions
Symbol Meaning Explanation
Electric back-up
heater
– 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
eco mode – Energy-saving domestic hot
water mode
Heating mode – Heating mode active
Domestic hot
water generation
– Domestic hot water mode
active
Cooling mode – Cooling mode active
Fault condition – Appears instead of the basic
display, may be an explanat-
ory plain text display
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
or
– Navigating between individual menu items
– 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 to cancel a pro-
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.
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