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General| Model | ECH 200BD |
|---|---|
| Type | Adaptive Controller |
| Communication Protocol | Modbus RTU |
| Digital Inputs | 2 |
| Buzzer | Yes |
| Protection | IP65 |
| Operating Temperature | -10 to +50 °C |
| Storage Temperature | -20°C to +70°C |
| Display | LCD with backlight |
Illustrates wiring connections for ECH 200 BD models, detailing component interconnections.
Details settings for analogue inputs Al1-Al4, including probe or current signal configurations.
Explains the configuration of digital inputs ID1-ID5 and additional inputs Al1, Al2, Al4.
Details relay, triac, optional, keyboard, serial, alarm, and fan outputs per model.
Configures compressor operation, including power step, polarity, and sequence for 1 or 2 compressors.
Details fan control configuration, including output modes and parameters for speed control.
Describes control of internal heaters based on configuration parameters and operating mode.
Explains control of external heaters connected to the triac TK output for water-water machines.
Details boiler control for supplementary or primary heating functions based on configuration.
Analyzes compressor running time against minimum time using parameters C01-C13 for efficiency.
Adjusts ON set point based on adaptive offset (AO) when compressor is off for stability.
Modifies set point based on outdoor conditions by adding offset to save energy.
Switches compressors off if output temperature is too low, acting as an anti-freeze alarm pre-threshold.
Switches compressors off if output temperature is too high, acting as an anti-freeze alarm pre-threshold.
Allows mode selection based on outdoor temperature detected by input Al4 via regulation algorithm.
Explains how to set cooling and heating set points and their modification ranges.
Modifies set points automatically based on outdoor conditions or 4-20mA input for energy saving.
Explains the defrost function, its activation conditions, and control parameters for ice prevention.
Allows linear compensation of start defrost temperature based on outdoor temperature.
Describes system diagnostics and alarm signaling, including trigger/reset modes and event counting.
Presents a list of alarms, their codes, and corresponding loads that will be shut down.
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