LS1751PBT - Minuterie digitale JUNG - Free user manual and instructions
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| Type of Product | Digital Timer (Time Switch) |
| Brand | JUNG |
| Model | LS1751PBT |
| Dimensions (HxWxD) | 55 x 55 x 30 mm (flush-mount) |
| Weight | Approx. 50 g |
| Power Supply | 230 V AC, 50/60 Hz |
| Switching Capacity | 16 A (resistive load), 2 A (inductive load) |
| Display | LCD with backlight |
| Programmable Programs | Up to 20 on/off events, daily or weekly |
| Countdown Function | Yes, adjustable 1 min to 10 hours |
| Random Function | Yes (presence simulation) |
| Astro Function | Yes (sunset/sunrise based) |
| Manual Override | Yes, permanent on/off |
| Operating Temperature | 0°C to 40°C |
| Protection Rating | IP20 |
| Maintenance | Clean with dry cloth; do not use solvents |
| Safety | Double insulation according to EN 60730 |
| Spare Parts / Repairability | No user-serviceable parts; contact qualified service |
| Mounting | Flush-mount (surface-mount possible with adapter) |
| Connection | 2-wire (neutral not required) |
| Country of Origin | Germany |
Frequently Asked Questions - LS1751PBT JUNG
How do I set the time and date on the LS1751PBT?
Press and hold the 'Set' button for 3 seconds until the display flashes. Use the '+' and '-' buttons to adjust hour, minute, and date. Confirm each step with 'Set'.
Can I use the timer with LED bulbs?
Yes, but ensure the total load is within the switching capacity (16 A resistive). For LED bulbs, derate to 80% of nominal capacity.
How many programmable on/off events can I store?
Up to 20 events can be programmed. Each event can be assigned to a specific day or group of days.
What does the 'Random' function do?
The random function switches lights on/off at irregular intervals to simulate presence, enhancing home security when you are away.
How do I perform a factory reset?
Press and hold the 'Set' and 'Mode' buttons simultaneously for 5 seconds. The display will clear, and all settings will be restored to default.
Is the timer suitable for outdoor use?
No, the IP20 rating means it is only suitable for indoor use in dry locations.
Can I override the programmed schedule manually?
Yes, press the 'Manual' button to toggle between automatic, permanent on, and permanent off modes.
What does the 'Astro' function do?
The astro function calculates sunrise and sunset times based on your location. You can set lights to turn on/off at these times.
How do I replace the battery for time backup?
The LS1751PBT does not have a backup battery. Time is maintained only as long as power is supplied.
Why is the timer not switching my load?
Check if the load exceeds the switching capacity (16 A resistive). Also ensure the wiring is correct and the timer is not in manual off mode.
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