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Installation – Velleman HAA2850 User Manual

Page 6

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HAA2850

v4 - 15.11.2013

6

©Ve lleman nv

when a key is touched. It returns to the dimmed setting 10 seconds
after the last key press.

6.2 QUASI: the keypad backlight is off and switches to full brightness when

a key is touched. It switches off 10 seconds after the last key press.

6.3 OFF: backlight disabled.

6.

Installation

Open the keypad by removing both screws [D] with the included special
tool.

Note: opening an already connected system will trigger an alarm!

Use the housing to indicate the location of the mounting holes (3x). Make sure
the cabling can enter the housing through the larger hole at the bottom.

Drill holes, insert concrete anchors when necessary.

Guide cabling through the larger hole at the bottom, and screw the
keypad housing in place using the included screws.

Wire the keypad. Refer to §5 for more details on the terminals. See below
for some wiring examples and refer to §7 for more terminal connection
hints.

Set the keypad backlight jumper [6] to the desired position.

Place the keypad back in the housing and secure it tightly with the 2
screws [D].

o

stand-alone system

A

12-24V AC/DC power supply
(not incl.)

B

output type

B1

N.C. (fail-safe)

B2

N.O. (fail-secure)

C electric door strike

D

egress pushbutton (N.O.) inside
the protected area (not incl.)

E diode 1N4004 (see note1)

F

additional egress pushbuttons
(not incl.) can be installed in
parallel

Note 1: a diode is used to absorb Electro-Magnetic Fields thus preventing

damage to the keypad. Mount it as close as possible to the lock and