Nortec DRAABE Pure Water System - Manual (Page 10)

Created: 21.09.2006
Changed: 29.02.2008
Printed: 02.03.2009
page 10 of 59
120 V~/ plug in
power supply
12 V~
ba r ba r Inlet
(tap water)
Water softener
Pure water reservoir
Discharge
Tanl discharge
Supply
printing mashine
Air humidification
Drain
Aqua - Plus
Dosing unit
0,5% Pure water
120 V ~
Remote fault indicator
Pure water system (PerPur)
Installation rail
Salz verbrauchs-
minimatik (
Optimierte
Reinwas seraus beute
Sammelstör-
fernmeldung
pat.p end.)
con cep t
2000 con cep t
2000
3.1.3 Basic System with Dosing unit
The pure water produced has a hardness of 0-1°dH (17 ppm) and a conductance value of
7-30 S (dependent on the conductance of the water being processed, e.g. drinking water).
Water with these values is not suitable for process water for printing presses. For an opti-
mal printing result to be obtained with minimal consumption of operating materials, a hard-
ness concentrate needs to be added. We recommend DRAABE hardness concentrate
Aqua-Plus.
This task of adding this concentrate (additive) is carried out by the dosing unit. The dosage
used is 0,5%. The result is a supply of optimally conditioned process water.
IMPORTANT: Further information can be found in chapters 4 "Fundamentals of Planning"
and in 3.2.4 "Functional Description".
System View
Figure 3: PerPur with Dosing unit