HOLTOP HDK-CK-50A Wall controller for CFA 250/350 types

HOLTOP HDK-CK-50A LCD control unit:

HOLTOP HDK-CK-50A is a wall-mounted control unit with LCD display, which was specially developed for HOLTOP and some AIRWOODS central heat recovery systems. The product is suitable for establishing a connection with HOLTOP CFA and AIRWOODS HTPF type devices, and offers a wide range of control options for optimal indoor climate and energy management.

Main functions, if they are also supported by the given device:
- Temperature display (e.g. intake/fresh air, return air)
- Humidity control (humidity control)
- Fan speed control (multiple speeds)
- Weekly timer programming (by setting 4 time zones per day)
- External ON/OFF control (e.g. building management system integration)
- Control of comfort heating / preheating (in the case of compatible electric preheating)
- Automatic frost protection, defrost control, deicing
- Automatic or manual bypass function
- CO₂ sensor support and concentration control
- Filter replacement alarm (filter alarm)
- Error indication and data memory
- Sleep mode ("sleep mode")
- Performance statistics (measurement of energy consumption)

The device's 12 Volt power supply is provided by the central ventilation device. Information on how to connect the ventilator to the appliance can be found in the installation instructions for the ventilation unit.