Fire-Lite MS-4E Fire Alarm Control Panel - Manual (Page 37)

MS-2 & MS-4 Series Manual — P/N 51512:G2 10/18/2011 37
DIP Switch Settings Program Options via DIP Switch
IDC1 Supervisory for MS-2 or IDC2 Supervisory for MS-4
Switch 4, placed in the ON position, programs IDC #1 on the MS-2 or IDC #2 on the MS-4 as a
Supervisory circuit. A supervisory zone can be used for monitoring supervisory devices such as
sprinkler tamper switches. A supervisory activation will pulse the piezo sounder at a ½ second rate
and flash the zone supervisory LED at the same rate. The factory default setting is switch 2 OFF
for no Supervisory.
IDC2 Verification for MS-2 or IDC3 Verification for MS-4
Switch 5, placed in the ON position, selects the Verification feature for IDC #2 on the MS-2 or IDC
#3 on the MS-4. The factory default setting is switch 5 OFF for no Verification. Refer to “IDC1
Verification (MS-4 only)” on page 36 for a description of this feature.
IDC2 Supervisory for MS-2 or IDC3 Supervisory for MS-4
Switch 6, placed in the ON position, programs IDC #2 on the MS-2 or IDC #3 on the MS-4 as a
Supervisory circuit. A supervisory zone can be used for monitoring supervisory devices such as
sprinkler tamper switches. A supervisory activation will pulse the piezo sounder at a ½ second rate
and flash the zone supervisory LED at the same rate. The factory default setting is switch 6 OFF
for no Supervisory.
IDC4 Verification (MS-4 only)
Switch 7 only on the MS-4, placed in the ON position, selects the Verification feature for IDC #4.
The factory default setting is switch 7 OFF for no IDC4 Verification. Refer to “IDC1 Verification
(MS-4 only)” on page 36 for a description of this feature.
IDC4 Supervisory (MS-4 only)
Switch 8 only on the MS-4, placed in the ON position, programs IDC #4 as a Supervisory circuit.
A supervisory zone can be used for monitoring supervisory devices such as sprinkler tamper
switches. A supervisory activation will pulse the piezo sounder at a ½ second rate and flash the
zone supervisory LED at the same rate. The factory default setting is switch 8 OFF for no IDC4
Supervisory.
3.1.3 SW3 DIP Switch Settings
NAC1 Nonsilenceable
Switch 1, placed in the ON position, programs NAC #1 as a nonsilenceable circuit. Selecting this
feature will prevent the notification appliances on NAC #1 from being silenced by the Autosilence
feature or by pressing the Alarm Silence button. The factory default setting is switch 1 OFF for
silenceable circuit.
NAC1 Disable
Switch 2, placed in the ON position, will disable NAC #1, preventing the notification appliances
from activating. This feature may be used during maintenance or while testing the system to pre-
vent building evacuation. The FACP will indicate an NAC disabled fault and system trouble while
this feature is selected. The factory default setting is switch 2 OFF for NAC1 enabled.
NAC2 Nonsilenceable (MS-4 only)
Switch 3 only on the MS-4, placed in the ON position, programs NAC #2 as a nonsilenceable cir-
cuit. Selecting this feature will prevent the notification appliances on NAC #2 from being silenced
by the Autosilence feature or by pressing the Alarm Silence button. The factory default setting is
switch 3 OFF for silenceable circuit.