Velleman-projects K8038 Assembly instructions User Manual

POWER DIMMER (1KW @ 230V) K8038 ILLUSTRATED ASSEMBLY MANUAL H8038IP-1 Total solder points: 126 Difficulty level: beginner 1  2  3  4  5  adv

10 JP3 – Security Timers: When this function is enabled, lamps are automatically switched off: after approx. 12 hours of uninterrupted operation.

11 Switch the mains tension on. When K8038 is switched on, LD1 & LD2 will light up for a brief moment during the diagnosis test. LD1 will flash

12 Flashes LD1 Error Possible cause / solution 1 Time-out in the positive alternance of the mains tension Error in the voltage zero crossing circuit

13 SETTING MINIMUM BRIGHTNESS: • Keep the control button pressed until both LEDs light up (after about 3 seconds) while powering on the K8038. • Th

14 22. PCB layout. PCB

15 23. Diagram Diagram

Modifications and typographical errors reserved © Velleman nv. - H8038IP - 2004 - ED1 (rev. 3.0) 5410329 338428Learn how to connect your computer wit

2 Specifications: Class microcontroller high power dimmer, suitable for incandescent lamps, mains voltage halogen lighting and low voltage halogen

3 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 su

DO NOT BLINDLY FOLLOW THE ORDER OF THE COMPONENTS ONTO THE TAPE. ALWAYS CHECK THEIR VALUE ON THE PARTS LIST! REMOVE THEM FROM THE TAPE ONE AT A TIME !

5 IC1 : 14p Construction D1 : 1N4148 D2 : 1N4148 D3 : 1N4007 1. Diodes. Watch the polarity ! D...CATHODE C4 : 100nF (10

6 Construction & connection T1 : BC547B T2 : BC547B T3 : BC547B 9. Transistors. R19 : 220 (2 - 2 - 1 - B) 7. 1W resistor. R...4m

7 Construction SK3 (pushbutton) SK1 (AC POWER) SK2 (LOAD) 14. Terminal blocks F...F1 : 5A slow 15. Fuse + fuse holder Choos

8 Connection 20. Connection 1. Connect the K8038 according to the wiring diagram. Ma insPushbutton(s)IncandecentlightbulbLow voltagehalogen bulbFig.

9 2. Mount the jumpers on JP1,2,3 or leave them out according to the functions that have to be available. JP1 – Memory function: The last used