Choice of material
.
Rubber
.
Plastic
. Stainless steel
1.
.
Iron
.
Copper
. Brass
. Aluminium
Always use system components made
of corrosion proof materials
Non-corrosion proof materials
may cause damage
Choice of lter
2.
Install a 10 micron absolute lter with
pressure switch
< 10
mm abs.
> 10
mm
Return lter with bypass valve and
poorer lterability than 10
m will
damage the system
Filter location
3.
Locate the return lter in the return line
immediately before the tank
Placing the return lter upstream of the
nal load may damage the pump
Pump location
4.
Pump always to be placed below water
surface level
Pump location above water surface
level will cause damage
Water supply
7.
System to be lled via lter
Filling system with unltered
water causes damage
6.
Pressure Relief valve
Pressure relief valve to be mounted
vertically or with vertical outlet and
connected to return hose or tank
Coupling the pressure relief valve outlet
directly to the pump inlet may damage
the pump
Suction conditions
5.
System to be dimensioned to provide
a suction pressure of the pump inlet of
max. 0.1 bar vacuum
Poor suction conditions will cause
malfunction and damage the pump
Design
74
180R9379 | AQ188686503004en-000801 | PAH 2-12.5 } 07.2022
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