CAUTION!
Hazardous feed chemicals can escape
With hazardous feed chemicals: Hazardous feed chem‐
ical can leak out when using conventional bleeding pro‐
cedures with metering pumps.
– Install a bleed line with a return into the storage
tank.
Shorten the return line so that it does not dip into the feed chemical
in the storage tank.
Fig. 22: (A) standard installation, (B) with pulsation damper
1 Main line
2 Storage tank
Symbol Explanation Symbol Explanation
Metering pump Foot valve with filter meshes
Injection valve Level switch
Multifunctional valve Manometer
7.2 Installation, electrical
WARNING!
Danger of electric shock
Unprofessional installation may lead to electric shocks.
– Crimp cable end sleeves onto all shortened cable
cores.
–
Only technically trained personnel are authorised to
undertake the electrical installation of the device.
Legend for hydraulic diagram
General safety notes
Installation
31
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