Riello Condexa Pro3 230 IN V02, Руководство по установке

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ELECTRICAL SYSTEM
Figure 21
6.4 Cascade installation
6.4.1 Connection to mains
Each module (boiler) must be electrically powered. The con-
nection must be made in accordance with current regulations
regarding electrical safety, using a multi sheathed cable H05
VV-F-3GI with minimum section of the conductors of 1,5 mm
2
,
properly protected against humidity, abrasions and accidental
contacts.
The electric connection has to be made for each module as de-
scribed in paragraph 6.2.1.
6.4.2 Serial Connection (BUS)
All battery equipments need to be connect to each other via
bus. Use a H05-VV-F-3GI sheathed cable (not included) to make
the connection. The minimum section size of the cable conduc-
tors needs to be of 0,5 mm 2 (with adequate length). Use the jigs
placed inside the boards rack to connect the equipments in a
battery (see Figure 12 and Figure 13.
Please note that the BUS connection is not poled hence it is not
needed to respect the same polarity on the connections.
Employ the rubber cable runner to make the cables go from one
equipment to the other (see Figure 22.
9
The rubber cableguides placed on the structure of the
equipment have not to be removed because their purpose
is to protect the cables from wear that occurs in direct con-
tact between cable and frame equipment. To pass a cable is
sufficient to drill the cableguides.
Once the connection has been made, all the unit of the battery
will be as follows:
− electrically powered;
− connected to each other through a serial wiring;
− connected to the probes, to the pump and to the master
board.
In order to complete the electric installation, select address for
each slave as show in the paragraph for “slaves boards settings”
(see par 7.1).
Figure 22
6.5 Position of the flow probe
Each unit upper water manifold is equipped with two pock-
ets where the temperature probe has to be inserted. The latter
probe continuously checks the flow temperature of the heating
circuit.
Either you are installing a single unit or a battery of them, the
flow probe must always be installed inside the pocket placed
downstream.
Of course, in case of more than one unit in battery, the probe
must be inserted in the pocket placed downstream on the unit
closer to the system inlet, as it is shown in Figure 23.
The temperature difference read by the probe causes ignition,
switching off and modulation of all the thermal elements in
cascade. Installer shall take care to place the probe inside the
pocket which is closer to the system inlet, in accordance to the
water stream.
Figure 23