Velleman К8091 User Manual
LED CLOCK with SLOW ON DIMMER
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Total solder points: 120
Difficulty level: beginner 1 2 3 4 ⌧ 5 advanced
K8091EU
K8091EU
ILLUSTRATED ASSEMBLY MANUAL H8091IP-1
Features & specifications
The K8091 is an attractive LED clock with connection possibility for a nightlight.
15 minutes before the set time, the light intensity of the connected light will
increase up to full power at set time and beeps will be heard. The beep length is
gradually built up so you will not be startled by a sudden alarm signal.
Features :
clock with red 7-segment display.
possibility to connect any lamp armature fitted with an incandescent light bulb
sleep function (15 min) for slow light power-off.
snooze function with alarm repeat function after 8 min.
manually settable light intensity.
beep and / or light option.
Specifications
• power supply: 220- 240V AC / 50Hz.
• lamp power: 40 ~ 100W max.
• power consumption: < 1W (without lamp)
• dimensions: 92x45x101mm / 3.6x1.8x3.9"
WARNING !
ALL PARTS IN THIS KIT CARRY HAZARDOUS VOLTAGES WHICH CAN KILL !
Do not touch any part of the kit while connected to the AC grid.
Do not modify the kit in any way.
Do not use the kit if the enclosure is damaged or open.
For use with regular incandescent lightbulbs (40-100W) only.
Not suited for low-voltage halogen lighting, energy saving bulbs, led lighting,
fluorescent lighting, motors, buzzers, transformers etc...
We highly recommend to have your kit inspected by a qualified technician
before connecting it to the AC power for the first time or after a malfunction.
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Assembly hints
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1. Assembly (Skipping this can lead to troubles ! )
Ok, so we have your attention. These hints will help you to make this project
successful. Read them carefully.
1.1 Make sure you have the right tools:
• A good quality soldering iron (25-40W) with a
small tip.
• Wipe it often on a wet sponge or cloth, to keep it clean; then apply solder to
the tip, to give it a wet look. This is called ‘thinning’ and will protect
the tip, and enables you to make good connections. When solder
rolls off the tip, it needs cleaning.
• Thin raisin-core solder. Do not use any flux or grease.
• A diagonal cutter to trim excess wires. To avoid injury when cutting
excess leads, hold the lead so they cannot fly towards the eyes.
• Needle nose pliers, for bending leads, or to hold components in place.
• Small blade and Phillips screwdrivers. A basic range
is fine.
For some projects, a basic multi-meter is required, or might
be handy
1.2 Assembly Hints :
⇒ Make sure the skill level matches your experience, to avoid disappointments.
⇒ Follow the instructions carefully. Read and understand the entire step before
you perform each operation.
⇒ Perform the assembly in the correct order as stated in this manual
⇒ Position all parts on the PCB (Printed Circuit Board) as shown on the draw-
ings.
⇒ Values on the circuit diagram are subject to changes.
⇒ Values in this assembly guide are correct*
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Assembly hints
⇒ Use the check-boxes to mark your progress.
⇒ Please read the included information on safety and customer service
* Typographical inaccuracies excluded. Always look for possible last minute
manual updates, indicated as ‘NOTE’ on a separate leaflet.
1.3 Soldering Hints :
1- Mount the component against the PCB
surface and carefully solder the leads
2- Make sure the solder joints are cone-shaped
and shiny
3- Trim excess leads as close as possible to the
solder joint
AXIAL COMPONENTS ARE TAPED IN
THE CORRECT MOUNTING SEQUENCE !
REMOVE THEM FROM THE TAPE ONE AT
A TIME
!
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