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25.01.2019
Roof Fans
SMART-EC-4000
Fig. No.2
– Dimensions of the connection flange and sound absorbing rood bases
Connection to the power supply system ought to be executed by User on one’s own.
Connection to the
power line should be carried out exclusively by an au-
thorized person with valid qualifications
.
It is important to install an isolating switch (IS) to cut off the power supply during the servicing.
Within our assortment are offered isolating switches as additional equipment (delivered on se-
parate order).
Isolatin
g switch ought to be installed by User on one’s own, in a place convenient for operator.
The way of connection is illustrated in Fig. No.3.
First take off the fan hood to get access to the terminal box of the fan motor. After the connec-
tions are carried out, install the hood.
It is important to select the suitable
sort and section of the supply cable and appropriate protec-
tion against the short-circuit and overload effect, according to the local conditions.
Prior to the startup of the fan check following aspects:
–
nominal voltage of the supply system and of the motor,
–
correct and durable connection of the PE protective cable,
–
installing of correct protection within the supply circuit system.