Vaillant uniTOWER plus User Manual

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20 Installation and maintenance instructions 0020291525_04
3.3 Functional elements
5
6
7
8
4
9
11
10
12
1
2
13
3
1 Safety cut-out
2 Back-up heater
3 Condensate tray
4 Draining the domestic
hot water cylinder
5 Domestic hot water
cylinder
6 Draining cock, heating
flow and return draining
cock and building circuit
7 Manometer and filling
tap
8 Potable water expan-
sion vessel
9 Prioritising diverter
valve
10 Purging valve
11 Electronics box
12 Expansion vessel
13 Automatic air vent
3.4 Serial number
The serial number can be found on the data plate on the rear
of the electronics box.
The serial number may also be shown on the product's
display (→ Operating instructions).
3.5 Information on the data plate
The data plate keeps record of the country in which the
product is to be installed.
Information Meaning
Serial no. Unique unit identification number
Nomen-
clature
VIH Vaillant indirect domestic hot water
cylinder
QW Rectangular domestic hot water
cylinder
190 Cylinder volume
E With electric back-up heater
/6 Unit generation
IP Protection class
Symbols Cylinder heating coil
Control
Heating circuit
Cylinder tank, fill quantity, permiss-
ible pressure
Back-up heater
P max Rated power, maximum
P Rated power
I max Rated current, maximum
I In-rush current
Heating
circuit,
domestic
hot water
circuit
MPa (bar) Permissible operating pressure
L Fill quantity
CE marking See section "CE marking"
3.6 Connection symbols
Symbol Connection
Building circuit, flow
Building circuit, return
Heating flow
Heating return

Vaillant uniTOWER plus Specifications

General

Brand	Vaillant
Model	uniTOWER plus
Category	Heat Pump
Language	English