Velleman K8091EU Manuale utente

LED CLOCK with SLOW ON DIMMER

H8091IP-1

AttractiveLEDclockwithnightlightconnection

K8091EUK8091EU

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.

Assembly hints

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 compo-

nents 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*

0.000

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

REMOVE THEM FROM THE TAPE ONE AT

A TIME !

Assembly hints

AXIAL COMPONENTS ARE TAPED IN

THE CORRECT MOUNTING SEQUENCE !

Construction

(1) ASSEMBLY OF THE COMPONENT SIDE

ZD1 : 15V0

3. Zener diode (check the polarity)

CATHODE

ZD...

C1 : 100nF (104)

C2 : 100nF (104)

C3 : 100nF (104)

C4 : 10nF (103)

C5 : 100pF (101)

5. Capacitors

c...

1/8W:

R1 : 100 (1 - 0 - 1 - B)

R2 : 100 (1 - 0 - 1 - B)

R3 : 100 (1 - 0 - 1 - B)

R4 : 100 (1 - 0 - 1 - B)

R5 : 100 (1 - 0 - 1 - B)

R6 : 100 (1 - 0 - 1 - B)

R7 : 100 (1 - 0 - 1 - B)

R13 : 10K (1 - 0 - 3 - B)

R14 : 10K (1 - 0 - 3 - B)

R16 : 10 (1 - 0 - 0 - B)

1/2W "metal film" :

R8 : 47 (4 - 7 - 0 - B - 9)

R9 : 10 (1 - 0 - 0 - B - 9)

R10 : 470K (4 - 7 - 4 - B - 9)

R11 : 470K (4 - 7 - 4 - B - 9)

R12 : 100K (1 - 0 - 4 - B - 9)

1/4W:

R15 : 220 (2 - 2 - 1 - B)

1. Resistors

R...

D1 : 1N4148

D2 : 1N4148

D3 : 1N4148

D4 : 1N4148

D5 : 1N4007

2. Diodes (check the polarity)

CATHODE

IC1 : 18p

Mind the position of the notch and shorten

the connection pins as short as possible

after soldering!

4. IC socket. Watch the position of

the notch!

IC...

D...

F1 : 1A

6. Fuse.

BUZ1(3-6VDC/25mA)

7. Buzzer

BUZ...

R17 : 220 (2 - 2 - 1 - B)

Construction

SK1 : 2p (AC IN)

SK2 : 2p (output)

12. Terminal blocks

10. 1W Resistor

VR2: UA78L05

9. Voltage regulator

VR...

C8 : 220µF

C9 : 10µF

11. Electrolytic capacitors.

Watch the polarity !

C...

C6 : 100nF

C7 : 470nF

13. Capacitors

SW1

SW2

SW3

14. Push buttons

TR1 : BT136

15. Triac

TR...

T1 : BC547

8. Transistor

IC1: VK8091EU

Programmed PIC16F627A

16. IC

Construction

 Mount the four digit display first.

DY1 : 4-digit

 Mounting the coil:

1) Cut the rubber foot and stick it to the PCB as shown.

2) Position the coil onto the rubber foot. Bend the leads carefully and insert

them into their soldering pads. Solder carefully.

1. Four digit display & coil

(2) MOUNT THESE COMPONENTS ON THE PCB SOLDERSIDE, SOLDER

THEM ON THE COMPONENTS SIDE

min.

2mm

construction

2. Power cable

+/- 45cm

 Cut 45cm of the included cable, measured from the female connector.

 Put both cables trough the hole on the rear cover of the housing.

 Strip the male and female cable.

 Connect the female cable/connector to the output connector

SK2, the male cable/connector to output connector SK1

 When both cables have been connected to the K8091EU

mount the strain relief and tighten up with the included 15mm

bolts and M3 nuts.

20mm

7mm

Twist & thin the wires!

L N N L

AC OUT

M3 bolt

Strain relief

M3 lock washer

M3 nut

SK1 SK2 SK1

SK2

Assembly

3. Assembly

select mode

Light / Buzzer

sleep / snooze

dim / cancel alarm

run mode

off

time

hour

minutes

time set

alarm set

light/buzzer alarm/light

activated

Indications :

Control :

Product description

Stick the rear sticker on the backside of the housing, see figure.

Rear-sticker

Before mounting the PCB on its place you must mount

the red display.

After placing the red display mount the

PCB in the front cover with the 4-digit

display facing to the red

display window with 4 screws.

At last mount the rear of the housing

and closed with 4 screws.

(a)

(b)

(c)

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