Electrical Installation - Vaillant VWZ MEH 61 Installation Instructions And Instructions For Use

MOUNTING AND INSTALLATION
4.4

Electrical Installation

Danger!
e
Risk of electric shock due to an
improper electrical connection!
Improper electrical connection can cause
electric shock or might negatively affect the
operational safety of the product and might
cause material damage.
The electrical connection of the product
•
must be carried out only by a suitably
qualified person.
1
30 mm max.
Key
1 Electrical wires
2 Insulation
When you connect the electrical wires to a connector on the
electronic board:
∙ Keep a distance of a maximum of 30 mm between
connector and the start of the insulation.
∙ If using single core wires are used ensure that they are
wrapped together in an insulating sheath.
∙ Fix the cables in the cable-clamp on the Box.
4.4.1 Connecting the power input (mains
connection)
The external wiring to be grounded. The polarity must be
correct and consistent with the standards.
∙ Connect the appliance in accordance with the live and
neutral connections.
The connecting cables between the electrical panel and the
appliance must be :
- adapted to a fi xed installation,
- resistant to temperatures above 90°C,
- Electrical wires with adapated section linked to the power
of the appliance.
∙ Connect the device to the electrical panel via an
independent protection system (circuit breaker with a
separation of at least 3 mm between each contact).
Additional protection may be required during the installation
to ensure overvoltage category II.
Switching devices from the mains supply must allow
complete failure of the supply according to the requirements
of the overvoltage category III.
Component
Mono supply 6 kW
cable
4 kW
3-phase supply cable
Heating element relay cable
28
2
Supply voltage
(mini section of cable)
230 V (3 G4)
230 V (3 G2.5)
400 V (5 G1.5)
230 V (3 x 0.75)
Key
1 Electrical casing
2 230 V electrical connection label
3 400 V electrical connection label
b Caution!
Risk of damage from too great voltage.
At mains voltages higher than 253 V,
electronic components may be destroyed.
Make sure that the rated voltage of the
•
mains is 230 V.
b Caution!
Risk of damage from too great voltage.
At mains voltages higher than 440 V,
electronic components may be destroyed.
Make sure that the rated voltage of the
•
mains is 400 V.
∙ Connect alimentation cables of product on the electrical
panel of installation.
4.4.1.1 Method of collection of electrical cables
B
1 1
2
3
A
C
0020166663_01 - 07/13 - Vaillant