Bell DDA-EXT-1 دليل المستخدم

ملخص المحتوى في الصفحة رقم 1

Bell
Wiring for DDA Extended Halo Systems
System
(Telephones) Ltd
DDA-EXT-1/VR(S)
Flats
Telephone Models:
801 801S 801PS
500D 500PD
Z
T
Phone
Door Panel O
R
Call
I
Button
Z
T
O
DDA
Electrical Cupboard
R
Interface
These 2
H
PCB
Connections
C
must be
+
doubled up
LOCK
-
340C
Power Supply
C H R O T
-
+
61
Speech
Unit
203, 204
Lock Release
Call
Button
www.bellsystem.co.uk
PD-176 Issue 1
Fail Secure
+
-

ملخص المحتوى في الصفحة رقم 2

Installation of Door Entry Systems Important Safety Information The Power Supply Unit must be placed in a protected indoor environment such as an electrical cupboard, close to a 240VAC electrical supply and located close to the entrance. It must be wall-mounted onto plasterboard, wood or a similar non-conductive material. Connections to the 240V AC mains supply must be carried out by a qualified electrician or similar competent person, and made in accordance with accepted safety practices. A two