13
Movitec V 2,4,6,10,15 & 90
•
Check if the ATEX-data on the motor and the
pump are in line with the specified category. See
table 8 ATEX-Categories 13.
•
When the categories of the motor and the pump
are different, the lowest category is leading.
•
For category 2: make sure that the pump is
protected against damage from outside.
•
Check that the motor cable is suitable for the
current drawn by the motor. See: motor type
plate.
•
Check that the pump is fully filled with the liquid
(de-airated). Do not run the pump dry.
•
Check the rotational direction of the motor. The
motor has to run clockwise (seen from the non
driven side). This direction is indicated with an
arrow on the pump top bracket.
•
Make sure that the liquid temperature never
exceeds the temperature mentioned in the
explosion safety code T3 or T4. See table 7:
Explosion safety.
•
Avoid overheating of the pump to ensure a
minimum flow in the pump according with the
description in chapter 5.6: Working range.
•
The pumps has to be de-airated again when:
•
the pump is taken out of operation.
•
some air is gathered in the pump.
•
Make sure that the pump and the motor shaft are
running smoothly and without excessive noise
(e.g. no parts are running against each other).
•
Make sure that the pump is connected to ground
Table 8: ATEX-Categories
Group
Category
Zone
Pumps
Motors
I
M
1
none
none
2
none
none
II
1
G
0
none
none
D
20
none
none
2
G
1
V(C/S)
2G Eex e T3
2G Eex d T4
D
21
none
none
3
G
2
V(C/S)
2G Eex e T3
2G Eex d T4
D
22
none
none
Goodnal STP ST041 Disinfection & Outfall (KSB ATF Feed Pump Skid PU-0700-110
Q-Pulse Id VM405
Active 29/10/2013
Page 15 of 41
