Sigma S2Ba Instructions d'exploitation télécharger pdf (Page 28)

9 Start up

WARNING!

EX pumps in areas at risk from explosion

– An appropriately skilled operative should check whether

the appropriate installation information from the "Installa‐

tion " chapter has been implemented correctly.

WARNING!

Fire hazard with flammable media

Only with combustible media: These may start to burn when

combined with oxygen.

– During filling and draining of the liquid end, an expert

must ensure that feed chemical does not come into con‐

tact with oxygen.

CAUTION!

Feed chemical could escape

– Check suction and discharge lines and liquid end with

valves for leak-tightness and tighten if necessary.

–

Check whether the necessary flushing pipes or bleed

lines have been connected.

CAUTION!

Prior to commissioning, check that the power end motor and

corresponding ancillary equipment is connected in compli‐

ance with the regulations.

CAUTION!

When using pumps with speed control, observe the instruc‐

tions in the frequency converter operating instructions.

CAUTION!

Danger resulting from unnoticed diaphragm rupture

If the pump has been ordered with an electric diaphragm rup‐

ture sensor, it still has to be installed.

– Screw the enclosed diaphragm rupture sensor into the

liquid end.

CAUTION!

Warning of unnoticed diaphragm rupture

Only above approximately 2 bar system back pressure is a

signal generated upon a diaphragm rupture.

– Only rely on the diaphragm rupture sensor at back pres‐

sures greater than 2 bar.

Safety notes

Diaphragm rupture sensor

Start up

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Sigma S2Ba Instructions d'exploitation Page 28