Grundfos 509921, Instructions Manual

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English (GB)
4
Fig. 3 Tightening the fittings
3.2 Pump positions
Always install the pump with a horizontal motor shaft within ± 5 °.
Do not install the pump with a vertical motor shaft. See fig.
4 ,
bottom row.
• Pump installed correctly in a vertical pipe. See fig.
4 , top row,
left.
• Pump installed correctly in a horizontal pipe. See fig. 4 , top
row, right.
Fig. 4 Pump positions
3.3 Control box positions
The control box can be mounted in all positions. See fig. 5 .
Fig. 5 Possible control box positions
3.3.1 Changing the control box position
TM
06
85
3
7
09
18
T
M
06
8
5
3
8
09
18
DANGER
Electric shock
Death or serious personal injury
- Switch off the power supply before starting any
work on the product. Make sure that the power
supply cannot be accidentally switched on.
CAUTION
Hot surface
Minor or moderate personal injury
- The pump housing may be hot due to the pumped
liquid being scalding hot. Close the isolating valves
on both sides of the pump and wait for the pump
housing to cool down.
CAUTION
Pressurised system
Minor or moderate personal injury
- Before dismantling the pump, drain the system or
close the isolating valves on both sides of the
pump. The pumped liquid may be scalding hot
and under high pressure.
TM
06
72
9
7
09
18
Step Action Illustration
1
Make sure that
the inlet and
outlet valves
are closed.
Unscrew the
screws on the
pump head.
TM
06
853
9
091
8
2
Turn the pump
head to the
desired
position.
TM
06
85
40
091
8
3
Refit the screws
on the pump
head.
TM
06
85
41
09
18