Type Designation And Serial Number; Overview Of The Operator Control Elements Of The Vwz Ai Heat Pump Control Module; Digital Information And Analysis System (Dia) - Vaillant aroTHERM VWL 55/2 A Operating Instructions Manual

3 Product description
3.2 Type designation and serial
number
Applicability: Italy
OR Switzerland
1
The type designation and serial number
are on the identification plate (1).
3.3 Overview of the operator
control elements of the VWZ
AI heat pump control module
1 Fault clearance
key
The fault clear-
ance key is used
to reset the heat
pump faults and
heat pump ac-
cessory faults.
10
1
3
2
1
2 Operating but-
tons
3 Display
3.4 Digital Information and
Analysis System (DIA)
The product is equipped with a Digital In-
formation and Analysis System (DIA sys-
tem). This system provides information
on the operating status of the product and
helps you to rectify faults.
The display lights up
– if you switch on the product or
– if you press a button in the DIA system
while the product is switched on. At first,
pressing this button does not trigger any
other function.
The light goes out after one minute if you
do not press any button.
7
6
5
1 Display of the
daily energy
yield
2 Display of the
current configur-
ation of the right-
hand selection
button
Operating instructions aroTHERM 0020172515_05
50
kWh/d
3 Left- and right-
hand selection
buttons
4 Minus and plus
buttons
1
2
3
4