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

MOUNTING AND INSTALLATION
1 2 3
4
1 Installation heating
circuit inlet 1"
2 Installation heating
circuit outlet 1"
3 Heating circuit outlet to
tank 1"
4 Safety valve drain
► Only use the original seals supplied with the appliance.
► Connect the installation heating circuit as shown.
► Connect the tank heating circuit as shown.
► Connect the heat pump circuit as shown.
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.
i
Notes
As standard, the product is delivered with the
400V configuration.
► If the product is connected to the 230V mains, use the,
230V cable that is supplied.
1
30 mm max.
1 Electrical wires
2 Insulation
► Keep a distance of a maximum of 30 mm between
connector and the start of the insulation.
10
5
6 7
5 Heating circuit inlet from
tank 1"
6 Glycol water circuit inlet
from heat pump 1"
7 Glycol water circuit outlet
to heat pump 1"
2
When you connect the
electrical wires to
a connector on the
electronic board:
Installation instructions and instructions for use VWZ MEH 61 0020166663_03
► 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
1 Electrical casing
2 230 V electrical
connection label
Supply voltage
(mini section of cable)
230 V (3 x 4 mm²)
230 V (3 x 2,5 mm²)
400 V (5 x 1,5 mm²)
230 V (3 x 0,75 mm²)
1 1
2
3
3 400 V electrical
connection label