CDHLK-FT - Thermostat JUNG - Free user manual and instructions
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| Type of device | Smart Thermostat |
| Dimensions (H x W x D) | 86 x 86 x 30 mm |
| Weight | 150 g |
| Power supply | 24 VAC (via bus) or 2 x AA batteries |
| Display | Touchscreen LCD |
| Temperature range | 5 °C to 35 °C |
| Control modes | Manual, scheduled, holiday, frost protection |
| Communication protocol | KNX |
| Compatibility | JUNG Smart Home System, KNX devices |
| Mounting | Wall mount (standard flush box) |
| Protection rating | IP20 |
| Material | Plastic (ABS), glass front |
| Colour | White (typically) |
| Energy efficiency | EU energy class IV |
| Maintenance | Clean with dry soft cloth; do not use solvents |
| Safety features | Overheat protection, child lock, fault detection |
| Spare parts | Mounting frame, batteries, screws |
| Repairability | Replaceable battery and fuse; service by qualified personnel |
| Warranty | 2 years (depending on region) |
| Certifications | CE, RoHS |
Frequently Asked Questions - CDHLK-FT JUNG
How do I install the JUNG CDHLK-FT thermostat?
Installation should be done by a qualified electrician. Mount the thermostat in a standard flush box, connect to the KNX bus (24 VAC) or insert batteries. Follow the wiring diagram in the manual.
Is the CDHLK-FT compatible with my existing heating system?
The thermostat works with most KNX-compatible heating systems. It controls valve actuators or heating actuators via the bus. Check your system's compatibility.
How do I change the temperature schedule?
Press the menu button to enter settings. Navigate to 'Schedule' and set desired times and temperatures for each day. Use the touchscreen to adjust.
What should I do if the display shows 'Err'?
Error codes indicate sensor issues or communication faults. Restart the device by removing batteries or power cycling. If persistent, contact JUNG support.
How long do the batteries last?
With typical use, AA alkaline batteries last approximately one year. When the battery icon appears, replace both batteries promptly.
Can I control the thermostat remotely?
Yes, through the JUNG Smart Home app when connected to a KNX IP interface. Ensure your system is properly configured for remote access.
How do I reset the thermostat to factory settings?
Go to menu > Settings > Factory Reset. Confirm the action. All schedules and settings will be erased. Alternatively, press and hold the reset button (if available) for 5 seconds.
What is the temperature accuracy?
The CDHLK-FT has an accuracy of ±0.5 °C at 25 °C. It uses a high-precision sensor for reliable control.
Can I use the thermostat with underfloor heating?
Yes, it is suitable for underfloor heating. Ensure the connected actuator is compatible with the KNX bus. Set appropriate temperature limits to avoid floor damage.
Where can I find the user manual?
The manual is available for free download at notice-facile.com or from the JUNG website. It includes installation, operation, and troubleshooting instructions.
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