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General| Model | EWCM 4120 |
|---|---|
| Display | LCD |
| Mounting | DIN Rail |
| Resolution | 0.1 °C |
| Accuracy | ±0.5 °C |
| Relay Outputs | 2 |
| Serial Communication | RS485 |
| Type | Controller |
| Output Type | Relay, Analog Output |
| Storage Temperature | -20 to +70 °C |
| Protection Degree | IP65 |
| Operating Temperature | -10 to +50 °C |
| Relative Humidity | 20 to 85% RH (non-condensing) |
Details permitted uses, safety precautions, and responsibilities for the device.
Instructions and warnings for connecting the device to power and other components.
Visual representation of circuit connections for different EWCM models.
Details the meaning of various LED indicators on the front panel.
Explains how the display and LEDs behave during alarms or specific operational states.
Explains the function of each key on the controller for navigation and parameter adjustment.
Details how to configure LED behavior using specific parameters.
Explains the installer and manufacturer password parameters for access control.
Explains how to select and view measurements on the device's screen.
Describes how passwords affect parameter visibility and access levels.
General guide on navigating and interacting with the controller's menu system.
Explains how to view current resource values and their visibility status.
Details the structure and options available within the programming menu.
Explains the parameters for configuring the device's analogue inputs.
Defines limit values for analogue inputs configured for specific measurement ranges.
Explains configuration for the device's digital inputs.
Defines the logical meaning of digital inputs and their polarity.
Details configuration options for the device's digital outputs.
Explains configuration for PWM and open collector analogue outputs for fans.
Details parameters related to Triac output characterization and pulse settings.
Explains the logical meaning of AO1 and AO2 as digital outputs.
Details configuration for high voltage Triac outputs used for piloting fans.
Explains configuration for the low voltage analogue AO3 output.
Parameters for defining compressor steps and power stages per circuit.
Explains proportional control of inverter compressors based on inlet probe values.
Details how the regulator manages multiple compressor steps based on inlet probe values.
Defines minimum on/off times for compressor switching to ensure reliability.
Explains how segmented compressors use power stages and parameter CP11.
Describes policies (saturation, balancing, fixed sequence) for distributing compressor load.
How compressor operating hours are recorded and used for management and alarms.
Parameter for setting the number of fans per step for fan coil.
Details pick-up parameters for inverter compressor fan speed.
Describes fan speed control based on condensation probe values or compressor requests.
Controls cut-off functions for fan speed regulation.
Defines preventilation logic for inverter compressors in cold mode.
Explains fan activation and step-based control influenced by condensation probe.
Explains fan control with a neutral zone based on condensation probe and set times.
Details preventilation logic for fans based on compressor status and condensation probe.
Covers fan rotation, stop time limits, and operating hours tracking.
Explains how to switch the device on or off via keyboard or digital input.
Details how compressor and fan operating hours are logged and managed.
Explains the function of the real-time clock for logging alarm event times.
Details alarm types (auto, manual, semi-auto) and bypass time settings.
How to silence alarms and reset pending manual alarms.
Diagram illustrating navigation within the Machine State menu.
Diagram showing the navigation paths within the Programming menu.
Diagram detailing the steps for modifying clock and date settings.
Specifications related to the controller's physical build and dimensions.
Specifications regarding power supply, consumption, and connections.
Details on the types and configurations of the device's inputs and outputs.
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