Grundfos EPC 300, Инструкция по установке и эксплуатации

Страница: 16 / 180

English (GB)
16
13. Shutdown 14. Maintenance
The following maintenance work must be carried out regularly:
• Test indicator lights once a week.
• Check wire connections once a year.
To test the indicator lights of the control panel, press
.
See fig. 5. If an indicator light fails, please contact Grundfos.
Fig. 5 Indicator light test
Once a year, check all screw connections to the terminals and all
earth connections to make sure they are tight. Any loose
connections must be tightened. Check the cables for visible
damage and replace, if necessary.
Note
If running, the pump should be stopped as
described in section 12.2 Manual operation.
Note
See also the installation and operating
instructions for the pump regarding draining of
the pump.
Step Illustration
1. Close the isolating valve on the discharge side.
2. Close the isolating valve on the suction side.
3. Set the selector switch
to "O" by means of the
key.
4. Set the main switch to
"O".
Warning
Maintenance work must be carried out by
authorised personnel.
Only trained personnel are allowed to open the
cabinet door.
Switch off the power supply before carrying out
any maintenance work.
Note
The operator is responsible for ensuring that all
maintenance, inspection and installation work is
performed by qualified personnel. A regular
maintenance plan will help avoid expensive
repairs and contribute to trouble-free, reliable
operation.
Note
Observe the regulations of the EN standard
concerning maintenance.
T
M
05
42
62
21
12