RTR231 - Temperature Controller JUNG - Free user manual and instructions
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| Product Type | Temperature Controller (Thermostat) |
| Brand | JUNG |
| Model | RTR231 |
| Dimensions (H x W x D) | Approx. 80 x 80 x 30 mm |
| Weight | Approx. 150 g |
| Power Supply | 230 V AC, 50 Hz |
| Display Type | LCD with backlight |
| Temperature Setting Range | 5 °C to 30 °C |
| Temperature Control Accuracy | ±0.5 °C |
| Functions | Heating/Cooling mode, frost protection, child lock, timer |
| Mounting Type | Wall-mounted (flush or surface) |
| Protection Class | IP20 |
| Maximum Load | 16 A (resistive), 2 A (inductive) |
| Wiring | 3-wire (phase, neutral, switch) |
| Cleaning Instructions | Wipe with a dry cloth; do not use liquid cleaners |
| Safety | Double insulation, overheat protection |
| Spare Parts / Repairability | Contact JUNG service center for replacement parts |
| Manual Languages | English (original), translations available on request |
| Compliance | CE, RoHS |
Frequently Asked Questions - RTR231 JUNG
How do I set the desired temperature on the JUNG RTR231?
Press the '+' or '-' buttons to adjust the set temperature. The display will show the current setting. For detailed steps, refer to the operating instructions.
Can I use the RTR231 for both heating and cooling systems?
Yes, the RTR231 supports both heating and cooling modes. You can switch between modes using the mode button. The device automatically controls the system based on the selected mode.
What does the frost protection function do?
The frost protection function prevents the temperature from dropping below a preset minimum (usually 5 °C). This is useful to avoid freezing pipes during cold periods when the building is unoccupied.
How do I activate the child lock?
Press and hold the '+' and '-' buttons simultaneously for 3 seconds. The lock icon will appear on the display. Repeat the same action to unlock.
What is the maximum load the RTR231 can handle?
The controller can handle a maximum resistive load of 16 A and an inductive load of 2 A. Ensure your connected device does not exceed these ratings.
How do I reset the thermostat to factory settings?
To perform a factory reset, press and hold the 'mode' button for 10 seconds. The display will show a reset confirmation. Release the button and the device will reboot.
Why is the display showing 'Err'?
An 'Err' message typically indicates a sensor fault or wiring issue. Check the connections and ensure the temperature sensor is properly attached. If the error persists, contact JUNG support.
Can the RTR231 be used with underfloor heating?
Yes, the RTR231 is suitable for underfloor heating systems as long as the load does not exceed its maximum rating. Ensure the floor sensor (if used) is correctly installed.
How do I clean the thermostat?
Use a soft, dry cloth to wipe the surface. Do not use water, solvents, or abrasive cleaners, as they may damage the device.
Is the RTR231 compatible with smart home systems?
The RTR231 is a standalone thermostat and does not have built-in smart home connectivity. However, it can be integrated via external controllers if compatible.
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USER MANUAL RTR231 JUNG
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Product information
Brand : JUNG
Model : RTR231
Category : Temperature Controller