Velleman-Kit High-Q K6200 Illustrated Assembly Manual page 7

7. Choose your operating voltage
For a 24VAC transformer :
C7 : Jumper wire (see fig 1.0)
Required if you are going to control starting
and stopping via an open collector output,
e.g. the 15 channel IR receiver K8050
For 220 - 240VAC :
C7 : 470nF/400V
Construction & connection
8. Electrolytic Capacitor.
Watch the polarity !
C5 : 100µF
Fig. 1.0
9. Relay
RY1 : VR15M241C
C...
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