Information On The Data Plate; Connection Symbols; Ce Marking; Cooling Mode - Vaillant VWL Series Operating Instructions Manual

4 Set-up

3.4

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- VWZ Vaillant heat pump accessory
clature
MEH Electro-hydraulic module
97 9 = 9 kW back-up heater
7 = integrated 3-port motorised
valve for external domestic hot wa-
ter cylinder
/6 Unit generation
230 V Electrical connection:
230 V: 1~/N/PE 230 V
400 V: 3~/N/PE 400 V
IP Protection class
Symbols Control
Heating circuit
Back-up heater
P max Rated power, maximum
P Rated power
I max Rated current, maximum
I In-rush current
Heating MPa (bar) Permissible operating pressure
circuit,
domestic
L Fill quantity
hot water
circuit

CE marking

See section "CE marking"
3.5

Connection symbols

Symbol Connection
Building circuit, flow
Building circuit, return
Heating flow, outdoor unit
Heating return, outdoor unit
Heating flow, domestic hot water cylinder
24
Symbol
3.6 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.
3.7

Cooling mode

Depending on the country, the heat pump (outdoor unit) has
the heating mode or heating and cooling mode function. The
product is compatible with this.
An optional accessory can be used to subsequently activate
the cooling mode.
▶
Activate and parametrise cooling mode in the system
control.
4 Set-up
4.1

Unpacking the product

1. Remove the product from the packaging.
2. Remove the documentation.
3. Remove the protective film from all parts of the product.
4.2

Checking the scope of delivery

▶
Check that the scope of delivery is complete and intact.
Number Designation
Hydraulic station
1
Unit mounting bracket
1
Enclosed documentation
1
Bag with installation material
1
1 Selection lever for prioritising diverter valve
1 Filling device
1
5-pole 400 V connection cable, 5 x 2.5 mm
1 Adhesive strips for noise reduction
Installation and maintenance instructions Hydraulic Station 0020291544_01
Connection
Heating return, domestic hot water cylin-
der
2