En
gl
is
h (
G
B)
20
Operating modes
The pumps are designed for intermittent operation
(S3). When completely submerged, the pumps can
also operate continuously (S1).
S3, intermittent operation:
Operating mode S3 means that within 10 minutes the
pump must be in operation for 4 minutes and
stopped for 6 minutes.
Fig. 11
S3, intermittent operation
S1, continuous operation:
In this operating mode, the pump can operate
continuously without being stopped for cooling.
Fig. 12
S1, continuous operation
Servicing the product
Stop the pump
immediately in the
following cases:
• abnormal noise
• abnormal vibrations
• power supply failure
• water supply failure
• other pump failure.
Do not restart the pump
until the cause of the
faults have been
identified and removed.
TM0
4
4
52
7 1
5
0
9
TM
04
45
2
8
15
09
Operation
Stop
6 min.
4 min.
10 min.
P
t
P
t
Operation
Stop
Compliance with the standards EN
60079-17 and EN 60079-19 is a customer
responsibility.
CAUTION
Sharp element
Minor or moderate
personal injury
- Wear protective gloves
when touching the
impeller.
All regulations applying to pumps installed
in potentially explosive environments must
be observed.
Make sure that no work is carried out in
potentially explosive atmosphere.
Before beginning installation procedures,
make sure that the atmosphere in the tank
is not potentially explosive.
CAUTION
Body injury
Minor or moderate
personal injury
- Always support the
pump by lifting chains
or place it in horizontal
position to secure
stability. During
maintenance and
service, including
transport to service
workshop, always
support the pump.
