RTK Series 725 Annunciator
46
12.3 Large Window Versions Fitted With An Odd Number Of Alarms
Series 725 units that use large windows and have an odd no of total alarms in the system, 1,3,5,7,9,
ways etc, will be supplied with dual channel cards in alternative cells as described in the previous
paragraph with the exception of the last cell which will be supplied for use as a single alarm cell only
as detailed below.
12.4 Standard Unit Without Repeat Relay Facility
The last active alarm cell is equipped with a type A1 back plate and a dual channel alarm card model
no CB5674POP1, which is suitable for 2 signal inputs. The alarm card is located in the upper card
slot. Note. Only 1 channel is used in this configuration.
12.5 Optional Unit With Repeat Relay Facility
The last active alarm cell is equipped with a type AR1 back plate and dual channel alarm card model
no CB5674POP2, which is suitable for 2 signal inputs and provides 2 relay outputs each having one
set of changeover contacts. The alarm card is located in the upper card slot.
Note. Only 1 channel is used in this configuration.
Wiring Details For A1 And AR1 Modules Used In The Last Cell Of 725 Units
Fitted With Odd Numbers Of Alarms
WIRING FOR UNITS
WITH LARGE WINDOWS
WITH REPEAT RELAYS
CH*
INPUT
INPUT
WIRING FOR UNITS
WITH LARGE WINDOWS
WITHOUT REPEAT RELAYS
CH*
1 C
A1
C
1
INPUT 1
INPUT 1
RELAY OUTPUT
AR1
NC NO
R1
FRONT VIEW
WINDOW LAYOUT
LAST CHANNEL
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