Velleman HAA2890 - Manual (Page 31)

31
APPLICATION HINTS FOR THE AUXILIARY TERMINALS
The tamper switch is Normally Closed while the keypad
is secured on box. It is open when the keypad cover is
removed from the box. To prevent sabotage, connect
these terminals in series with a 24 hour N.C. protection
zone of an alarm system if required.
The connection of the Door Bell is optional. The door
bell contact on the keypad is prepared for triggering of
an low power door chime only. DO NOT use it as a high
voltage power path for a door bell. The maximum power
rating of the contact is 24V DC/1 Amp.
(A) TAMPER N.C.
(B) DOOR BELL N.O.
ORANGE
PURPLE
3
4
DOOR BELL
CONTACT N.O.
ELECTRONIC
DOOR CHIME
(OPTIONAL)
N.O.
DOOR BELL
PINK
GREY
1
2
TAMPER
N.C.
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