Product description 3
0020297937_01 aroTHERM plus Installation and maintenance instructions
113
9
Pressure sensor, in the
high-pressure area
10
Maintenance connec-
tion, in the low-pressure
area
11
Electronic expansion
valve
12
4-port diverter valve
1
2
3
4
5
6
7
8
1
Filter
2
Pressure sensor, in the
low-pressure area
3
Refrigerant separator
4
Refrigerant buffer
5
Connection for heating
flow
6
Connection for heating
return
7
Flow rate sensor
8
Temperature sensor, at
the evaporator
3.5
Information on the data plate
The data plate is located on the right-hand side of the pro-
duct's exterior.
A second data plate is located inside the product. It becomes
visible when the top casing is removed.
Information
Meaning
Serial no.
Unique unit identification number
Nomen-
clature
VWL
Vaillant, heat pump, air
4, 5, 6, 8, 12,
15
Heating output in kW
5
Heating mode or cooling mode
/6
Unit generation
A
Outdoor unit
230V
Electrical connection:
230 V: 1~/N/PE 230 V
No information: 3~/N/PE 400 V
S3
IP
Protection class
Information
Meaning
Symbols
Compressor
Control
Refrigerant circuit
P max
Rated power, maximum
I max
Rated current, maximum
I
In-rush current
Refriger-
ant cir-
cuit
MPa (bar)
Permissible operating pressure (rel-
ative)
R290
Refrigerant, type
GWP
Refrigerant, Global Warming Poten-
tial
kg
Refrigerant, fill quantity
t CO
2
Refrigerant, CO
2
equivalent
Heat
output,
cooling
output
Ax/Wxx
Air inlet temperature of xx °C and
heating flow temperature of xx °C
COP /
Coefficient of Performance and heat
output
EER /
Energy efficiency ratio (Energy Effi-
ciency Ratio) and cooling output
3.6
Warning sticker
Safety-relevant stickers are affixed to several points on the
product. The warning stickers include rules of conduct for the
R290 refrigerant. The warning stickers must not be removed.
Symbol
Meaning
R290
Warning against flammable materials in
conjunction with R290 refrigerant.
Fire, naked flames and smoke are prohib-
ited.
Read the service information and technical
instructions.
3.7
CE marking
The CE marking shows that the products comply with the
basic requirements of the applicable directives as stated on
the declaration of conformity.
The declaration of conformity can be viewed at the manufac-
turer's site.
