Drazice TJ 2" HP 9 kW Посібник з експлуатації та встановлення - Сторінка 7
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2.2
ELECTRICAL INSTALLATION
2.2.1
GENERAL INFORMATION FOR ELECTRICAL INSTALLATION
Run the supply cable and, if necessary, the cable for checking the thermal fuse (Figure 5, TL)
through the grommets and connect according to the wiring diagram of the electric boiler
(Figure 5). The heating unit is connected to a 400 V and 50 Hz electrical grid via a fixed wire
connection with a corresponding section and protection adequate to the heating element
output.
Notice: The power supply must contain a main breaker disconnecting all poles of the grid.
Perform the installation in compliance with applicable standards.
2.2.2
WIRING DIAGRAM
2.3
INSPECTION, MAINTENANCE
Maintenance involves decalcification of the heating element at certain time intervals selected by water
hardness at the place of use, particularly if the system includes untreated heating water. Damage to
the heating element due to calcareous sediments is not accepted by the manufacturer as a reason
for complaint.
Figure 5
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