Silent Knight SK-2224, SK-4224 User Manual

Cut Along the Dotted Line

SK-2224 Basic Operating Instructions P/N 151064

These instructions must be framed and displayed next to the SK-2224 panel in accordance
with NFPA 72 fire code for Local Fire Alarm System.

LED (Color) Function

AC (green) ON = Good AC

OFF = Low AC trouble condition and it was acknowledged
FLASHING = Unacknowledged AC Low trouble condition

GENERAL TROUBLE
(yellow)

WALK TEST (yell ow) ON = Walk test is in progress

GND FAULT (yellow) ON = Ground fault condition exists and was acknowledged

LOW BATTERY (yellow) ON = Battery low condition that has been acknowledged

ZONE 1
and

ZONE 2

NAC 1
and

NAC 2

SYSTEM SILENCED
(yellow)

ALARM (red) ON = Zone in alarm which has been ac knowledged

SUPERVISORY
(yellow)

TROUBLE
(yellow)

ACTIVE (yellow) ON = NAC is active during an alarm

TROUBLE
(yellow)

Operation Keystrokes

Disable notification appliance circ uit .
To re-enable the circuit, press [NAC

DISABLE] again.
Disable a zone
To re-enable the circuit, press [ZONE

DISABLE] again.
Begin Walk Test Press [WALK TEST]. Walk Test LED turns on.

End Walk Test Press [WALK TEST].

Acknowledge condition (alarm, supervisory,
trouble)

Silence Panel Press [SILENCE]. This will silence the on-board PZT and all active NAC circuits that have been configured as

Perform system reset Press [RESET]. Resets alarm s , supe rvi sori es, troubles and all LEDs.
Manual Dialer Test. Press the [ACK] and [ SILENCE] butt ons at the same time.
Dialer Reset. Press the [RESET] and [WALK TEST] buttons at the same time.

For Service Contact:

ON = System trouble
OFF = System OK
FLASHING = At least one serial device is in trouble
DOUBLE FLASHING = Two types of serial devices are in trouble.

OFF = Walk test is off.
FLASHING = Walk test is on and at least one zone is not ready

OFF = No fault
FLASHING = A ground fault condition detected

OFF = Good battery condition
FLASHING = Battery low condition

OFF = No Alarm
FLASHING = Zone in alarm has not yet been acknowledged.
ON = Zone has a supervisory condi ti on (self-restoring conditio n)
OFF = No supervisory condition exists.
FLASHING = supervisory trouble detected on that zone.
ON = Zone has a trouble conditi on which has been acknowledg ed
OFF = No zone trouble
FLASHING = Zone has a trouble condition
DOUBLE FLASHING = Zone was disabled
CLEAN ME FLASHING =

Indicates that the smoke detector needs cleaning (LED is on long and

Off for a short time period)

OFF = NAC is not active during alarm
ON = NAC has a trouble condition and was ackn owl ed ge d

OFF = No trouble condition
FLASHING = NAC is in trouble
DOUBLE FLASHING = Circuit was disabled
ON = System audible output ha s bee n silenced
OFF = Nothing silenced
FLASHING = Partially silenced

Press the appropriate [NAC DISABL E ] key. The NAC circuit will be di sabled and the corresponding
TROUBLE LED will Double Flash. This function is not available during an alarm condition.

Press the appropriate [ZONE DISABLE] key. The zone will be disabled and the corresponding TROUBLE
LED will Double Flash. This function is not available during an alarm or supervisory condition.

Note: Walk test will not ac tivate if the control panel has a trouble, alarm , o r su pervisory condition.

NOTE: The Walk Test feature is not operational dur ing an alarm, supervisory or an y sy stem trouble
condition.The test ends automatically after 10 minutes of no system activity.

Press [ACK]. The corresponding L ED will change from blinki ng to steady for the duratio n of the condition.

"silenceable".