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valve in the cold water pipe in front of the taps. A closing valve needs to be mounted
in the cold water pipeline leading to the tank in front of the fittings (combined safety
valve, one-way valve, etc.) With the help of this closing valve, both the hot water tank
and the water pipeline fittings can be disconnected from the water pipelines system
(in case of failure or other maintenance work).
3.6.
Electric connection
1.
The hot water tank should be connected to the electric system only through
permanent connection. It is forbidden to apply any wall socket.
2.
The current of the electric system has to be connected to the hot water tank
through an all-pole disconnection device, which has at least 3mm separation distance
in all poles.
3.
The required diameter per string of the electric system wire with 3 strings is:
2.5 mm2
– 4 mm2, depending on performance as described on the data table.
The wires adequate for connection to the electric system are the following:
Adequate type: H0 5VVF
H0 5RRF
Connection with wire protection tube is not allowed.
4.
The connection wire and the wire with green/yellow colour mark have to be
connected in the terminal block. The plastic wire driver marked with a label located at
the lower part of the cover of the fitting house has to be broken out. (“Break out for
connection”) The overhang part of the rubber wire driver, which is placed in the bag
attached to the appliance, has to be cut, then the wire driver has to be stitched to the
electric system wire. The connection wire has to be connected in the terminal block of
the left side according to phase label (L, N,
). The wire fixing and the bent clamp
have to be tightened finally, then the wire driving rubber has to be fitted to the lower
horizontal surface of the cover frame in a way that it has to protect electric parts
against any possible water inflow, after mounting the cover.
Figure 7.4.-1.
shows the electric connection diagram of the hot water tank, which can
also bee seen on the cover of the fitting house.
Figure 7.4.-1.
