TCF Termoventilatori Condizionatori Felsinea Srl
40057 Cadriano di Granarolo Emilia (Bologna), via Giuseppe di Vittorio 5
www.tcf.it
5
The two-speed motors with a single DAHLANDER
commutable winding (fig. 9) offer the advantage of
generating greater power than motors of the same size but
with separate windings.
4.2.1.4
Permitted start-up time
Because of the temperature increase, the start-up time of a
motor may not exceed the value shown in table 1.
The data refer to start-ups at exercise temperature, whereas
for cold start-ups such timings may be doubled.
4.2.1.5
Recommended
connection
and
protection
accessories
For the sizing of cables and connections, please refer to the
motor nameplate data and to the laws in force in the country
where the unit is installed.
FIG. 8
FIG. 9
4.2.2
Fan
Before start-up, carry out the following checks:
-
make sure that the fan wheel is functioning
correctly by rotating it manually
-
check that any safety clamp, fitted to prevent
damage during transportation, has been removed
from the dampers (fig. 10).
FIG. 10
safety clamps
4.2.3
Transmission
Before starting the air exhaust unit please check:
-
the tension of the V-belts (section 5.2.3.1)
-
that the pulleys are aligned (section 5.2.3.1)
-
that the dowels, shown in fig. 20, in their possible
installation positions, are doing their function of
securing the pulleys to the hubs
