Instructions

6
Fit four terminal pins
between marks S1 and
S2. You may also use
screw connectors.
Fit 6 terminal pins for the relay
output (NO, C , NS) and the
power supply (AC IN). You
may also use screw
connectors.
Fit 4 terminal pins to the holes
A, B, C and D
9. PCB pins
Construction
C11 : 22nF
8. Capacitor
C9 : 10µF / 25V
10. Electrolytic capacitor.
Watch the polarity !
C...
VR1 : UA7812
Check the orientation !
11. Voltage regulator
VR...
C10 : 1000µF / 35V
12. Electrolytic capacitor.
Watch the polarity !
C...
RY1 : VR15M121C 12V / 15A
13. Relay
RY...
IC1 : LM324
Pay attention to the position
of the notch!
14. IC mounting