Velleman K6001, Manual

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The pcb is made in such a way that it easily can be built into a standard wall box, on a blind cover plate.
Make a hole in the cover plate to pass the sensor (KTY11, KTY81-22 or eq.) through. The sensor
shouldn't touch the cover plate.
For making the electrical connections, use ordinary wiring or telephone wire of 0.5mm.
For feeding the sensor use an unstabilised 12VDC power supply, which is able to supply at least 20mA
(you easily can make it yourself, see fig. 1.5). With the K6000 controller, a power supply on the controller
itself can be used. This power supply is able to feed up to four sensors.
14. Mounting and connecting
Connection
Fig. 1.5