Vaillant VR 66, Руководство по установке

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0020140122_02 - 05/13
INSTALLATION
EN
4.2.2 Wall-mounting of the product
The control unit is designed to be attached to a wall near the main
tank inside a dwelling.
3
3
4
1
1
2
2
235
Key
1 Screws
2 Attachment holes
3 Holes
4 Plugs
∙ Determine the position depending on the requirements of the
preceding chapter: “Appliance location”.
4.3 Electrical Installation
e Danger!
Incorrect installation can cause electric shock or
appliance damage.
The electrical connection of the appliance must be
made only by a qualified engineer.
•
Ensure system is electrically isolated.
Protect the electrical installation by following the
guidance indicated in the “Technical data”
chapter.
e Danger!
•
The length of the power supply cable must not
exceed 10 metres.
∙ The electrical installation in the dwelling must permit the
power supply to the equipment to be isolated by a double pole
isolation switch and be fused. The double pole isolation switch
must incorporate a gap of 3mm between the contacts.
∙ Use a power cable suitable for the main connection, minimum
1.5 mm. If the cable is damaged, it must be replaced by a
quali fi ed engineer.
The external wiring must be earthed, with correct polarity and in
accordance with current standards.
The manufacturer declines any responsibility for damages to
persons or others caused by the incorrect installation of the
appliance earthing. This includes failure to comply with current
standards.
b Caution!
These pipes can become very hot which will damage
the cables or the system.
•
The electrical cables must not be attached to or in
contact with the hydraulic pipes.
4.3.1 Description of connections
All of the internal connections are made directly to the circuit
board.
2
3
1
Key
1 Cable clamp
2 Divisible wire grommet
3 Separating high and low voltage
The circuit board connectors are divided into two parts. The left
part accepts a 230V power supply whereas the right part is used
for 24V power.
230V connectors (High voltage)
230V~ CYL.
2 1
DHW
CH1
CH2
ON DHW OFF
1 2 - +
BUS NTC
230V~ CYL.
2 1
DHW
CH1
CH2
ON
DHW
OFF
1 2 3 4 5
Key
1 230V supply connector (3 pins: earth / neutral / live)
2 Cylinder thermostat connector (2 pins)
3 Heating zone 1 valve (3 pins: earth/neutral/ live)
4 DHW valve ON (3 pins: earth / neutral / live)
5 DHW valve OFF - Heating zone 2 valve (3 pins: earth/neutral/ live)