Pentair Flotec EVOTRONIC 350 Manuel D'utilisation page 26

EN
USE AND MAINTENANCE MANUAL
PUMP INSTALLATION BELOW THE LIQUID LEVEL (NEGATIVE SUCTION HEAD) FIGURE 1
Close the shutoff valve downline
1.
of the pump (delivery side).
Open the shutoff valve upline of
2.
the pump (suction side).
DANGER
The pump must never be operated with the shutoff valve on the delivery side closed. The discharge valve
must be opened as soon as the pump has been started up, to prevent damage to the latter by an excessive
increase in liquid temperature.
INSTALLATION OF SELF-PRIMING PUMPS ABOVE THE LIQUID LEVEL (POSITIVE SUCTION HEAD) FIGURE 2, FIGURE 3 AND
"INSTALLATION" TAB1.
Ensure that the pipeline downline
1.
of the pump is free (delivery side)
Open the shutoff valve downline
2.
of the pump (delivery side).
Open the shutoff valve upline of
3.
the pump (suction side). refer to
installation Figure 2
Open the valve near the pump to
4.
bleed the air.
Remove the filler cap.
5.
If a filler cap is fitted on the
6.
DANGER
If there is no foot valve or check valve on the suction port, filling must be repeated before each start-up.
DANGER
If the pump has difficulty in increasing pressure, repeat operations 1 to 11. If, after several attempts, the
pump does not operate correctly, see the fault section "quick troubleshooting guide"
24
Loosen the filler cap to enable
3.
release of the air, the filling of
the pump body and suction line
completely with liquid, until it
overflows from the hole.
Tighten the filler cap fully down.
4.
pipeline downline of the pump
(delivery side), remove the cap
and use the hole for filling.
Otherwise use the pump filling
hole.
Using a funnel, fill the pump
7.
body and suction pipe (Figure 2),
or only the pump body (Figure
3) completely with liquid, until it
overflows from the hole.
Close the pump filler cap.
8.
If the filler hose is on the
9.
pipeline, continue to fill the pipe
Start up the pump and slowly
5.
open the shutoff valve downline
(delivery side) to ensure
bleeding of any residual air in
the pump body and accumulated
pressure during start-up.
and pump until water overflows
also from this second hole.
Insert the second filler cap.
10.
Start up the pump and wait for
11.
the liquid to be pumped. The
pump can run for 5 minutes
to attempt to activate liquid
suction. If the pump does not
generate pressure and flow rate,
repeat steps 1 to 11.