Current filling pressure of
the heating system
The dashed lines show
the permitted range
– Permanently on:
Filling pressure in
the permitted range
– Flashing: Filling
pressure outside
the permitted range
Hot water generation
active
– Permanently on:
Draw-off mode be-
fore burner is on
– Flashing: Burner on
in draw-off mode
Heating mode active – Permanently on:
Heating mode heat
requirement
– Flashing: Burner on
in heating mode
Symbol Meaning Explanation
Comfort mode active – Permanently on:
Comfort mode active
– Flashing: Comfort
mode active, burner
on
Maintenance required Information on the main-
tenance message in the
"Live Monitor"
Summer mode active
Heating mode is
switched off
Burner anti-cycling time
is active
To avoid the need for
frequent switching on
and off (increases the
product's working life).
Fault in the product Appears instead of the
basic display, may be
an explanatory plain text
display.
3.4 Information on the identification plate
The identification plate is mounted on the underside of the
product in the factory.
Information on the
identification plate
Meaning
Read the instructions.
VU… Vaillant gas-fired wall-hung boiler for
heating
VUW…, VUI… Vaillant gas-fired wall-hung boiler for
heating and hot water generation
..6/5-5 Calorific value power/product generation
equipment
ecoTEC plus Product designation
2H, G20 – 20 mbar
(2.0 kPa)
Gas group and gas connection pressure
as set at the factory
ww/yyyy Date of manufacture: Week/year
Cat. Approved gas boiler category
Types Approved units of type
PMS Permissible total overpressure in heating
mode
PMW Permissible total overpressure during hot
water generation
T
max.
Max. flow temperature
ED 92/42 Current efficiency directive fulfilled with
4* rating
V Hz Mains voltage and mains frequency
W Max. electrical power consumption
IP Level of protection
Heating mode
Hot water generation
P Nominal heat output range
Q Heat input range
D Nominal hot water draw-off rate
Bar code with serial number,
7th to 16th digit = product article number