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Control module CKG-3RVE

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Code: #23128

Supplier: Ziehl Abegg AG

UNIcon control modules record system values and control power units such as frequency converters or EC fans on this basis. There are several variants to choose from. From multifunctional devices to sensor control modules specifically tailored to applications in refrigeration or air conditioning. UNIcon control modules can be used to control single or multiple fans. Pre-programmed operating modes can be selected for typical applications of our customers. Depending on the application, the appropriate sensors are connected.


  • - The UNIcon control module controls fans mounted on coolers, for example, dependent on pressure or temperature. For this, a 0-10 V signal is output.
    - To additionally increase the cooling performance (in peak load times), the control module can switch on up to three moistening stages by relays. Usually these relays activate servo motors which open valves and ensure moistening of the air sucked in by the cooler. The air can be cooled additionally by evaporation and ensures and increase in the cooler performance.
    - The UNIcon also controls the pump for the water supply line, closes or opens valves for the frost protection function (close main supply line, open valves for draining).

  • LC multi-function display with plain text display:
    Different menu languages can be selected
    Simple start-up by opeating modes:
    You can choose between different operating modes, for example, external activation, temperature control, pressure control condensers.
    Simple programmability:
    Typical settings for the activation of fans and activation of the spraying stages can be made easily.
    3 analog inputs for sensors or setting signals:
    Analog input E1 and E2: Setting by operating modes or manually programmable, e.g. 0-10 V, 0-20 mA, 4 – 20 mA.
    For input E2, special functions (external manual mode, external setpoint, measurement value for limit messages) can be programmed.
    Input E3: To measure the outdoor temperature (the CKE-3ARV includes a TFR thermistor for this). Relay switching points for frost protection can be set depending on the outdoor temperature
    6 digital inputs D1 to D6:
    Setting by operating modes or manually programmable. Limit switches for valves, enable, switch over setpoint 1 or 2, external fault, control function inversion, output limitation, manual mode.
    2 analog outputs A1 and A2:
    Output A1: 0-10 V for activation of fans, e.g. by external speed controller (e.g. Fcontrol frequency inverter).
    Output A2 manually programmable, e.g. 0-10 V proportional modulation, constant voltage, proportional input signal.
    2 digital outputs (relays) K1 and K2:
    Setting by operating modes or manually programmable. Spraying stages 1 / 2 / 3, activation supply cock/pump (frost protection), operating indication, fault indication,
    limits, external fault at digital input.
    Standard conformity
    Interference emission according to EN 61000-6-3 (domestic)
    Interference immunity according to EN 61000-6-2 (industrial)