Pentair STA-RITE PRESSOMAT PMS20 PVM 3-5 Instructions De Service page 25

CHAP. 4 PRIMING OF THE GROUP
Refers to
FIGS. 1 - 2
DANGER
Risk of electrical
discharge
WARNING
In case of aspiration with positiv suction head, open storage, aqueduct or water pipe under pressure, prime the
group as follows:
x
open all valves and remove the priming plugs on the aspiration collector and on the pumps;
x
open the water supply on-off valve until the evacuation of the liquid;
x
close again the feed faucet and the pumping plugs.
In the case where the group supply is with lower suction head, underground well or tank, prime the group as
follows:
x
open all valves and to and remove the priming plugs on the aspiration collector and on the pumps;
x
fill with water through the suction pipe;
x
make the necessary topping-up through the priming plugs on the pump casing until complete filling-up
x
re assemble the plugs.
Always shut off the voltage before proceeding to any operation.
The group needs to be filled up before putting it in operation.
The dry-operation of the motor pump damages the hydraulic parts.
21