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An overvoltage category III Combined Circuit breaker and Re-
sidual Current Device (RCD) with rated earth leakage operation
not exceeding 30mA must be fitted upstream on the supply
line. The circuit breaker must have a contact opening distance of at
least 3 mm.
Ensure that the supply cable is well mounted and that it does not
come into contact with the reflector of the heater or that it does not
trail into the heated area.
Sequence
1. Unscrew the 9 screws of the cover that have the data label (fig. 4).
2. The set is already arranged to be connected to the main both by
single phase and three phase connection (3 phase + neutral +
ground):
To carry out a single phase connection, connect the phase leads,
•
neutral and ground to the poles of the terminal as respectively
marked L1-N-
To carry out a three phase connection, eliminate the wires A and
•
connect the 3 phases, neutral and ground to the poles of the
terminal as respectively marked L3-L2-L1-N-
cable H07RN-F 5x1 mm
3. The power cord can reach the appliance in two ways:
From the top (mod. 769 and 769S) and through the opening and
•
the rubber cable-carrier (see fig. 4).
From the bottom (mod. 769) in the following way: unscrew the
•
6 screws of the base, pass the power cord through the plastic
base and through the pole until the head of the appliance and
connect the power cord as above. Tight the screw of the base
being careful that the pwer cord is locked into the opening like
in fig. 5.
All irradiation heaters are designed to achieve and maintain a certain
thermal comfort to the people who need it both outside and inside. It
is therefore very important to carefully study the area where people
stay and consequently direct the radiation towards them.
(fig. 7). Use a cable H07RN-F 3x2.5 mm
.
2
12
.
2
(fig. 8). Use a
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