7
04.06.2019
explosion-proof duct fan
WP-11/Ex
CAUTIONS
:
1
.
supply voltage 3x400V; 50Hz
2
. continuous work
S1
3
. ingress protection
IP44
4
. ambient temperature:
-20
up to
+40
ºC
5
. systems and appliances used in areas of explosion
hazard should be manufactured in conformity with:
–
2014/34/EC ATEX Directive
–
valid standards and regulations
In case of WP-11/Ex fans, the motor housing ought to
be connected with the fan housing by means of the
G-Y: Kol 6/6 + H05V-K + Kol 6/6
according to the me-
chanical documentation
A1
– terminal box in Ex execution
TB-P2/P0048 QUINTEX
Cables
W1
and
W2
ought to be selected by the investor.
The way of connection and the target connection
of the motor windings should be performed by investor
too.
*
S1
– isolating switch in Ex execution
It is suggested to install the isolating switch in a place
near the fan. Its purchase and installing have to be
carried out by the investor.
CAUTION
:
The windings of the motor should be connected in accor-
dance with the data on the nominal plate of the motor and
with the Connection Diagram that is placed on the fan.
Fig. No.4
– WP-11/Ex – Connection Diagram
Prior the fan start-up check subsequent aspects
:
a/
if all mechanical connections are performed correctly
b/
correctness of electrical connection, sequence of phases
c/
correctness of the connections of the motor and the housing to the PE protective cable
After the fan is started, check the impeller rotation sense with reference to the arrow.
