·KLINGENBURG
4
What can the controller do?
The KR4 and KR7 control units and their central component,
the frequency inverter, permit you to fully adjust the rotor
speed for the entire permissible range.
These control units can be utilised worldwide.
(With supply voltage 230V ~)
When designing these control units, all known regulations were
taken in consideration.
Quality features
· Latest processor technology
· CE conformity
· Casing IP 54
· Short-circuit-proof output
· EN 55011 tested
· EN 61000-3 tested
· EN 61000-4-2 tested
· EN 61000-4-4 (Burst) tested
· EN 61000-4-5 (Surge) tested
· EN 61800-3 tested
· Each single module is tested repeatedly
· exchangable info sheet
Optional features
The following functions can be selected by means of the
extended Z-controller:.
· Summer operation including display of function *)
- Enthalpy comparison
- Temperature comparison
- Temperature switching over
· supply air temperature control *)
· sequence switching register including function display
In this case the controller bears the model number KR4 Z or
KR7 Z. See page 13 for order codes.
*) The corresponding sensors must be installed for the control
features marked with an asterisk.
Performance features
· 6 detailed fault display
· Thermal protection including function display
· Starting and running out switching
· Menu controlled programming
· Clear text display via LCD display
· Three push-button operation
· External control signal processing
· Self-cleaning function
· Rotor operation control *)
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