Compact constant temperature controller ACD20
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Presentation
Controller ACD20 is prewired with sensor connection box for 2 sensors and is intended for control of mixing valve and circulation pump. It features advanced multi-lingual user interface to setup controller with parameters.
- Boiler return-pipe temperature or any other energy source temperature control.
- Heating or cooling system supply temperature control.
Features
- 2 pre-set hydraulic schemes.
- Prewired with temperature sensor.
- Single sensor option.
- Adjustable temperature control.
- Simple user interface.
- Direct installation onto 20 different mixing valves.
- The possibility to configure the mixing valve opening direction.
- Innovative connector system for connecting sensors.
Outlined functions
Clutch for manual operation
The manual mode clutch of the ACD compact controller is activated by
pressing the button. When the clutch is activated, the mixing valve control
and, where appropriate, also the circulation pumps are switched off to save
energy.
Quick installation
Innovative accessories and installation system provides a quick installation
and removal of the ACD compact controller from/to the mixing valve, mostly
without any tools. There are accessories for most mixing valves available on
the market.
Setup buttons
The buttons for setting the controller are located under the manual turning
knob. That prevents unwanted access to the controller setup.
Plug-in connectors
The ACD compact controller has a built-in connector for plug-in connection of
the power cord. That provides a simple cable replacement in case of damage.
Acd Graphic display
Color graphic display with resolution of 240 x 240 dots provides detailed
display of graphics and texts.
Technical data
| Tehnični podatki | ACD20 |
|---|---|
| TFT display |  |
| Keypad | |
| Own consumption | Maximum 3.5 W |
| Standby power consumption | Maximum 0.5 W |
| Torque | 5 Nm |
| Rotation angle | 90 < ° |
| Rotation speed | 2 min 90 < ° |
| Mixing valve control | 3-point PID |
| Circulation pump control | 2-point (ON/OFF) |
| Relay output | electronic relay, 1 (1) A ~, 250 V~ |
| Connection voltage | 230 V ~, 50 Hz |
| Maximum own consumption | 5 W |
| Power supply of built-in clock | Battery CR1025 (Li-Mn) 3 V |
| Accuracy of built-in clock | +/-1 s (24 h) at 20 °C |
| Degree of protection | IP42 according to EN 60529 |
| Safety class | I according to EN 60730-1 |
| Type of temperature sensors | Pt1000 |
| Housing material | PC - dark grey |
| Operating temperature | 0÷50 °C |
| Storage temperature | -20÷65 °C |
| Product weight | 1.000 g |
| Number of pieces in a package unit | 12 pieces |
| Dimensions |  |
| Electrical connection |  |
Performance comparison
| ACD10 | ACD20 | |
|---|---|---|
| Application | ||
| Boiler return-pipe temperature or any other energy source temperature control | | |
| Heating or cooling system supply temperature control | | |
| Technical features | ||
| No. of preset hydraulic schemes | 2 | 3 |
| Number of electronic relays | — | 1 |
| No. of temperature sensor inputs | 1 | 2 |
| Temperature setup option 10 to 90 °C | | |
| Additional sensor for measuring the source temperature | — | |
| Heating system protection | ||
| Overheating protection | | |
| Undercooling protection | | |
| Antiblock function for mixing valve | | |
| Antiblock function for pump | — | |
| Data display | ||
| Display of notifications and warnings about the heating system operation | | |
| Display of temperatures and other operating data | | |
| Detailed display of temperatures for the current day | — | |
| Review of temperature data for the previous week | — | |
| Signalling of the mixing valve rotating direction | | |
| Control and signalling of the circulation pump operation | — | |
| Remote access | ||
| Possibility of USB connection to a PC | | |
| Setup and installation | ||
| Wizard for an easy and quick device start-up | | |
| 14-language user interface | — | |
| Connection box for sensors | — | |
| Setting up the operation by selecting the hydraulic scheme | | |
| Setting of the rotation direction of the mixing valve | | |
| Logging and display of changes made to the setup | — | |
| Option for retrieval of the basic setup in the event of data loss or unwanted changes | | |
| Suitable for installation on different types of mixing valves | | |
| "Click" type installation system | | |
| Prewired temperature sensor | | — |
| Sensors with a connector for a “Plug & Play” installation | — | |
| Power cord equipped with plug | | |
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