5
Safety precautions
Care should be taken when choosing the site for a WCU330. The keypad must never be
installed in a back-box which also contains mains wiring or in areas of high humidity.
The WCU330 runs on 24V DC supplied through the connecting cable. As such there is no
mains voltage present in the WCU330 and the unit is often safe to fit in areas where only
extra low voltage (ELV) equipment is permitted. However, it is imperative that you always
check the wiring regulations in force for your application and area.
Faceplates
The WCU330 faceplate system is based on the 50 x 50 ‘easy-clip’ module standard and
is interchangeable with the wide range of faceplates made by manufacturers such as
MK Electric, RPP, etc. that conform to this standard. If it is desired to fit another faceplate,
it can be replaced by gently prising apart the WCU330 faceplate and snapping on another
in its place.
Fitting the keypad
Remove the supplied faceplate from the WCU330 by gently prising apart. It will ‘pop’ off.
Connect each wire in the Cat-5 cable to its respective terminal in the punch-down
connector on the back of the WCU330 (refer to the Cat-5 to WCU330 punch-down
connectors diagram in the ‘Rear panel connections’ section of this guide). The recommended
maximum length for use with standard Cat-5 cable is 30m in total from hub to keypad
(screened Cat-5 cable can also be used). After making the wiring connections, fit the
WCU330 to the back-box with the two supplied M3.5mm x 20 screws. Gently push the
faceplate back on to the module.
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