Description
HDL KNX FCHC heating, cooling and fan-control actuator. Imported manufacturer model FCHC.4.1, with the full designation M/FCHC.4.1 on HDL’s website.
Manufacturer functions
- Configurable KNX/EIB modes for fan-coil HVAC, fans, compressors and floor-heating controls
- ETS-programmed functions, active and passive temperature-control modes
- Multiple digital temperature sensor inputs; the published sensor count differs by hardware revision, so verify the exact supplied variant
- KNX working voltage 21–30 V DC; 35 mm DIN-rail installation
- Maximum output-current designation 8 A AC / 5 A DC; verify exact channel and load limits
- Dimensions 90 × 72 × 64 mm; IP20
Required compatibility checks
Confirm the installed hardware revision, digital temperature sensors, permitted HVAC control circuit, ETS version, power and local electrical protections. Compressor output requires an appropriate external contactor.
HDL official KNX FCHC specifications
Ordering status
Exact supplier revision, stock, final price, freight and applicable compliance documents have not been confirmed. This listing remains a public product listing available for enquiries only.
Gallery: model-matched HDL KNX M/FCHC.4.1 FCHC actuator shown at an angle with its fan, heating and cooling terminals and housing depth. Reference image and model information. Verify installation and wiring with the manufacturer datasheet.



Reviews
There are no reviews yet.