Flat/Office
Electrical Cupboard
Door Panel
PD-151 Issue 1
801
Phone
Z
I
R
O
T
FailSecure
203
Lock Release
(optional)
T
O
R
H
C
+
61
Speech
Unit
Wiring Diagram for 1 Way Audio Door Entry Systems
L
N
More diagrams can be
found on our website:
www.bellsystem.co.uk/
-
212
Power
Supply
Call
901, VRK1, BL1*
*
Lock release not
included in BL1
12V
AC
230V
