4 Set-up
24
Installation and maintenance instructions Hydraulic Station 0020291544_01
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-
clature
VWZ
Vaillant heat pump accessory
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
circuit,
domestic
hot water
circuit
MPa (bar)
Permissible operating pressure
L
Fill quantity
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
Symbol
Connection
Heating return, domestic hot water cylin-
der
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
1
Hydraulic station
1
Unit mounting bracket
1
Enclosed documentation
1
Bag with installation material
1
Selection lever for prioritising diverter valve
1
Filling device
1
5-pole 400 V connection cable, 5 x 2.5 mm
2
1
Adhesive strips for noise reduction
