ADEMCO 4021 Manuel d'instructions d'installation - Page 2

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1. General Information

SYSTEM FEATURES:

Fait-safe arming. The system may not be armed v&h any of its zones in a faulted condition, If the fault is not cleared and

an attempt to an the system is made, a 3 second audible warning tone will sound.

Keypad arming/disarming with four digit aning and four digit disarming.

Entry/Exit Zone with delay feature. Delay times may be set to 30 or 45 seconds. In addition, the entry time may be

reduced to 0 by operating a switch on the No. 1021/4021. This zone accommodates closed circuit contacts (two

wire circuit).

Perimeter Zone for normal and fast acting open or closed circuit devices (hvo wire circuit with end-of-line resistor).

Interior Zone for normal and fast acting open or closed circuit devices (two wire circuit with end-of-line resistor). This

zone may be turned OFF remotely (at the. No. 5240) within 3 seconds after the system's arming code is keyed.

, 24 Hour latching panic input for open circuit switches (such as No. 219 or No. 4023). This circuit may also be triggered

from the No. 5240 by pressing the

and # keys thereon. The panic function is selectable as audible or silent.

Supervised 24 hour fite circuit with LED alarm and trouble indication and audible trouble annunciation at the No. 5240.

In addition, a power output for smoke or products of combustion detectors is provided (interruptible on reset).

Supplementary output triggers for burglary, panic, and fire.

Arming status output is available as + 6 volts with the system armed and 0 volts with the system disarmed, or

vice versa.

RED and GREEN LEDs at each No. 5240 remote arming point, to indicate system-arming and loop status respectively.

Built-in siren driver for external speakers with different sounds for fire and burglary/audible panic.

Zone LEDs to indicate the status of each zone.

AC. Power LED to indicate that A.C. power is available and the battery is being charged.

FIRE TEST/RESET Switch to check the fire system functions.

Automatic alarm cutoff and reset for burglary, panic, and fire (8,12,16, or 24 minutes).

6V. DC Power available continuously for powering digital keypad stations, etc. and interruptible for smoke detectors.

FUNCTIONAL DESCRIPTION: (See Diagrams 2 and 3)

Switches:

ENTRY DELAY ON/OFF Switch (INSTANT OFF/ON on 4621): To set the entry delay to zero, move the switch down

momentarily (LED lit). To restore it to the selected time, move it up momentarily (LED out). This switch is operative only

when the system is armed. A safety feature, however, automatically restores the entry delay at disarming time. This pre-

vents the user from subsequently amring the system and leaving the premises without restoring the entry delay, thereby

causing an alarm upon re-entry.

FIRE TEST/RESET Switch: This switch shorts the fire loop to initiate an alarm when momentarily pushed upward to

TEST position. The main alarm sounder should function, giving an indication of battery condition. The FIRE TEST is reset

by operating the FIRE TEST/RESET switch momentarily downward to RESET position. This downward operation resets

the fire circuit and smoke detectors powered by the system. In addition, it is used to clear the memory of alarmin the sys-

tem's zone status LEDs and in the panic circuit (refleoted by absence of GREEN status LED indication at No. 5240 local

or remote keypads).

EMERGENCY Pushbutton (a No. 4621 option): Depressing the BLUE Police Shield pushbutton will activate a

panic alarm. The speaker in the No. 4021 and external speaker(s) will be activated (loud warbling speaker sound)

immediately, if audible panic was selected. For both audible and silent panic, a supplemental output trigger will be imme-

diately activated.

FtRE Pushbutton (a No. 4021 option): Depressing the RED Flame pushbutton will activate the fire alarm. The speaker

in the No. 4021 and external speaker(s) will be activated (loud, steady speaker sound) immediately, as well as a fire indi-

cating supplemental output trigger.

LED Indicators:

Fire LED (RED) This LED flashes to indicate trouble in the Fire zone. At the time that this occurs, the buzzer in the No.

5240 will begin to sound intermittently. These indications will remain until the fauft is cleared.

The fault could have been caused by one of the following:

a) A malfun&tion within a smoke or products of combustion detector.

b) A break in one of the fire loop wires.

c) A break in one of the wires supplying power to detectors.

d) A blown auxiliary output current protection fuse.

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