NOTICE!
Property damage resulting from pump reversal.
–
Do not operate the pump without non-return protection.
1.
With a safety-related component (non-return protection), make sure that
the medium cannot flow back after switching off the pump.
2.
Select a distance less than 2 m between the outlet nozzle and the non-
return protection.
Lay inlet and outlet lines as well as auxiliary pipes such that the
pump, sealing system and lines do not empty when at a standstill.
WARNING!
Risk of poisoning due to cleaning agents in the pumped
medium!
–
Facilitate drainage of residue from pump and system.
1.
Lay inlet and outlet lines as well as auxiliary pipes such that there is suffi-
cient space to install/remove the pump.
2.
For pumps with axial supports:
n
Provide straight adjusting piece
n
Long adjusting piece > long pump casing (pump casing can be dis-
mantled without any problem)
n
Arrange for pipe adjusting piece with drain hole
Include pipe connections for flushing, bleeding and emptying all rel-
evant pipe areas (customer installation) as necessary for mainte-
nance and servicing work.
1.
Select shut-off elements, which can be secured against unintentional
opening.
2.
Include shut-off elements in the inlet and outlet lines.
3.
Include blanking discs in the inlet and outlet lines.
1.
Provide pressure monitoring in the inlet and outlet lines:
n
As near as possible to the pump. In doing so, maintain the limit values
(
pump data sheet)
2.
Include temperature measurement on the pump side.
3.
Include dry operation protection.
Avoiding running in reverse
Avoiding emptying
Enabling the draining of residues
Enabling cleaning
Enabling separation and blocking of the
pipes
Enabling measurement of the operating
modes
Installation and connection
41
Type SLH-4U
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JP Rev. 1
