SENTRY1 TECHNICAL MANUAL VER1.6
ACCESSORIES
Art. 512A
ES/1
SYSTEM OPERATION
CALL: A call will be activated by a visitor pressing the desired flat number on the door
panel. A timed call tone will be heard at the occupant’s telephone (This will last for the time
set via SW1 & SW2 or until the call is answered). A reassurance call tone will also be
heard at the door panel to indicate the system has been activated. If the occupant does
not answer the telephone, the call will clear down. If the occupant does answer the
telephone, the call tone will stop as soon as the handset is lifted. A two way conversation
will then take place (This will time out after the preset time set via SW3 & SW4). If the
occupant does not want to let the caller into the building, the handset would be placed
back on its cradle and the call will clear down. If the occupier does want to let the caller
into the building, the lock button would be pressed and the door would open for the preset
time. The lock button will not work at any other time (A call must be placed to the handset
and handset must be answered before the lock button will work). Please note: This system
has full privacy of speech which means the speech lines will appear dead until a call is
placed to that apartment
TRADE: The trade button only works when the time clock is active (A short across the
time clock terminals on the Sentry 1 PCB). At this time, when the trade button is pressed
the door will open for the preset time.
Extension sounder for an apartment. This sounder can be wall
mounted and will ring whenever the telephone it is connected to
rings.
Timed strobe unit for the hard of hearing or noisy environments.
The strobe will flash when a call is received and will continue
flashing for an adjustable time period or until the reset button is
pressed.
Connections
4 Call tone input
- 0V (Ground)
Connections
POWER 12V AC or DC input
I/P + trigger
+O/P 12Vdc output
GND Ground
RESET Switched negative reset
NC Normally closed relay connection
CO Common relay connection
NO Normally open relay connection
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