Live Monitor (Status Codes); Displaying The Building Circuit Pressure; Reading The Operating Statistics; Displaying Contact Data - Vaillant aroTHERM VWL 55/2 A Operating Instructions Manual

Setting level
Contact details
Serial number
Device specific number
Operating hrs. Total
Operating hrs. Heating
Operating hrs. Cooling
Menu → Basic settings →
Language
Display contrast
Menu → Resets →
No sub-items
Available

4.5 Live Monitor (status codes)

Menu → Live Monitor
You can use the Live Monitor to display
the current status of the product.
4.6 Displaying the building circuit
pressure
Menu → Live Monitor → Building circuit
pressure
– You can display the current filling pres-
sure of the heating installation in digital
form.
4.7 Reading the operating
statistics
Menu → Information → Heating op.
hours
Menu → Information → Cooling op.
hours
Menu → Information → Total operating
hours
In each case, you can display the operat-
ing hours for the heating mode, the cooling
mode and the overall operation.
0020172515_05 aroTHERM Operating instructions

4.8 Displaying contact data

Unit
Menu → Information → Contact details
If your competent person has entered their
telephone number during the installation,
you can read this data under Contact
data.

4.9 Displaying the serial number

and article number

Menu → Information → Serial number
15
– The product's serial number is dis-
played.
– The article number is found in the
second line of the serial number.

4.10 Setting the display contrast

Menu → Basic setting → Display con-
trast
– You can use this function to adjust the
display contrast to suit your needs.

4.11 Setting the language

If you want to set another language:
▶
Press and hold
time.
▶
Also press the fault clearance key for a
short time.
▶
Press and hold
display shows the language setting.
▶
Select the required language by press-
ing
▶
Press (OK) to confirm your selection.
▶
Once you have set the correct lan-
guage, press (OK) again to confirm this.

4.12 Switching the product on/off

▶
Use a partition with a contact opening
of at least 3 mm (e.g. fuses or power
switches) to de-energise the product.
Operation 4
and at the same
and
or .
until the
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