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General| Brand | Klingenburg |
|---|---|
| Model | KR4 |
| Category | Controller |
| Language | English |
Lists key attributes like latest processor technology, CE conformity, IP 54 casing, and tested standards.
Details functions like fault display, thermal protection, menu programming, LCD display, and rotor operation control.
Describes extended functions available with the Z-controller, like summer operation and enthalpy comparison.
Explains how to set a fixed rotational speed using the selection push-button.
Describes setting rotational speed based on an external control signal (0-20 mA, 4-20 mA, or 0-10 V).
Details rotor rotation monitoring and how to calculate rotor speed from frequency.
Explains the beneficial self-cleaning effect and periodic rotor activation for cleaning.
Allows setting supply air temperature between 10-40°C, requiring a PT1000 sensor.
Enables sequential operation of heating sources, activating only when the rotor is running.
Covers using the rotor for cooling, including temperature and enthalpy comparison modes.
Details connecting the 230 V power supply and the fault contact (S1, S2, S3).
Guides on motor wiring (3x230V, delta) and connecting external control signals (0-10V, 0-20mA).
Covers connecting rotation monitor, controller release, and thermal protection relay for motor safety.
Details connecting sensors for various summer cooling modes like temperature comparison, enthalpy, and outside temp.
Details setting the sequencer and its contact capacity for sequential operation.
Describes connecting the supply air sensor (PT1000) to terminals 23 and 24.
Explains connecting external control signals (0-20 mA, 4-20 mA, 0-10 V) to terminals 25 and 26.
Details initial steps after powering on, including error message checks and starting the process.
Explains navigating the menu, setting display language (English/German), and confirming choices.
Describes setting the rotor speed by depressing the selection push-button and confirming with Enter.
Details setting the controller for external operation, including storing data and handling changes.
Explains using the rotation monitor for supervision and selecting its operational status (on/off).
Provides critical safety warnings about contacting live elements even after power is cut.
Lists and explains error codes (E01, E05, E09, E14, E15, E21, E99) for KR4/KR7 basic units.
Guides on checking magnetic switch distance, V-belt condition, and tension when using the rotation monitor.
Advises on checking programming, jumpers, and control signals when the rotation monitor is not used.
Provides specific troubleshooting steps for Z-controller functions like supply air control and summer mode.
Explains selecting and setting summer modes (off, temp comparison, enthalpy, outside temp measurement).
Includes a critical warning about contacting live elements even after power disconnection.
Defines "Warning!" and "Attention!" labels used for safety instructions in the manual.
Covers essential safety measures including constant power, dangerous voltages, and qualified personnel for installation.
Stresses earthing the inverter, avoiding contact with live parts, and checking input voltage compliance.
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