9
Control unit
Properties of the frequency converter:
Microprocessor-controlled frequency converter
Protection type IP 54
Integrated mains filter to effectively suppress interfer-
ence voltages and cooling elements outside the housing
Additional control boards with all monitoring functions,
signal relays and inputs for processing standard controller
signals from MSR
Easy control via 5-button, 2-line colour LCD plain text
display and menu-driven parameterisation, with a range
of languages available
Display of set points and actual values and fault mes-
sages
Integrated operating hours counter and service mes-
sage to ensure maintenance intervals are observed
Integrated hygiene control for rinsing piping when hu-
midifier is switched off and has dried out
Complete water evacuation from piping by the use of
compressed air available as option
Software updates allow retrofitting of subsequent func-
tional enhancements
Inputs:
Enabling - potential-free contact
Control signal inputs, selectable 0-10 V, or 0/4-20 mA
Humidity signal for internal humidity control via sensing
element
Outputs: (max. 1A 250V~ AC1)
Operation - potential-free contact
Faults - potential-free contact
Maintenance - potential-free contact
Water processing - potential-free contact
Dry-running - potential-free contact
Options:
Menu language can be switched among German, Eng-
lish, French and Dutch
Expanded control range for part-load operation under 20%
Û
Add-on option:
Optionen der Reglermontage:
Up to a control power of 1.5KW it is possible to integrate
the control unit into the pump station. The integration of
the control unit directly in the pump station reduces the
installation effort. If you have any questions about this
option, please contact us.
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