37
installed into the electrical installation under the regulations in force. The power
supply cut-off has to separate all contacts under the regulations of the overvoltage
category III - minimal spacing between contacts is 3 mm.
DANGER
Checking the electrical connection before commissioning can only be performed
by the person authorised by the manufacturer to ensure the correct and efficient
operation of the device.
IT IS STRICTLY PROHIBITED FOR UNAUTHORISED PERSONS TO TAMPER
WITH THE ELECTRICAL CONNECTION OF THE DEVICE.
DANGER
The device can only be connected to the electrical supply with built in RCD
residual-current device, switch type A.
CAUTION
The device must be connected to the mains with a cable with an appropriate
diameter
. The diameter of the cable is determined by the installer according to
method of laying the cable, distance
of the device from the electrical cabinet
and
power
of the device.
It is necessary to use a harmonised cable H05VV-F.
CAUTION
The wires must be routed through the overflows installed before the connecting
terminal in the device. Make sure the cable connected in the device is relieved.
CAUTION
The joint electrical power of the devices directly connected to the regulation must
not exceed 500 W. Otherwise, it is necessary to ensure separate power to the
external devices and to connect control elements to the regulation.
WARNING
Pay attention to the characteristics of the inputs and outputs. Incorrect connection
can lead to damage to the device.
CAUTION
The communication cable must not be laid together with energy cables (in
accordance with good engineering practise and regulations).
3.6.1 DESCRIPTION OF ELEMENTS IN THE ELECTRICAL
CABINET
1
Safety thermostat.
6
Terminal for connecting odbus
communication and sensors of the
heating system.
2
Electrical contactor
7
DC charger.
3
Connecting the actuators of the
heating system.
8
Input output module.
4
Cable glands for cable elements of the
heating system.
9
PLC
5
WEB module.
10
Element for galvanic separation of
communication signals.
Содержание HM-130 S1
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Страница 53: ...53 4 1 5 ELECTRICAL SCHEME Picture 27 Electrical scheme of the device ...
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