28 NFS2-640 UL Listing Document — P/N 52741LD:H9 5/19/2022
SUP.L(DUCTI) supervisory Y lights supervisory LED Ionization smoke detector used as a duct detector to
report supervisory condition rather than alarm.
Latching.
SUP.T(ION)
1,2
supervisory N lights supervisory LED Ionization smoke detector used to report supervisory
condition rather than alarm. Tracking.
SUP.L(ION)
2
supervisory Y lights supervisory LED Ionization smoke detector used to report supervisory
condition rather than alarm. Latching.
SMOKE(PHOTO) fire alarm Y lights fire alarm LED and activates CBE Photoelectric smoke detector
SMOKE(DUCTP) fire alarm Y lights fire alarm LED and activates CBE Duct Photoelectric smoke detector
SUP.T(DUCTP)
1
supervisory N lights supervisory LED Photoelectric smoke detector used as a duct detector
to report supervisory condition rather than alarm.
Tracking.
SUP.L(DUCTP) supervisory Y lights supervisory LED Photoelectric smoke detector used as a duct detector
to report supervisory condition rather than alarm.
Latching.
SUP.T(PHOTO)
1,2
supervisory N lights supervisory LED Photoelectric smoke detector used to report
supervisory condition rather than alarm. Tracking.
SUP.L(PHOTO)
2
supervisory Y lights supervisory LED Photoelectric smoke detector used to report
supervisory condition rather than alarm. Latching.
SMOKE(HARSH)
3
fire alarm Y lights fire alarm LED and activates CBE HARSH smoke detector
FIRE/CO
4
fire alarm Y lights fire alarm LED for photo and heat, no
LED will light for a CO alarm, photo and heat
will activate CBE, CO alarm activates special
function zone FC and sixth CBE zone only
(sixth CBE zone programmable via VeriFire
Tools)
Photoelectric, Carbon Monoxide, and Heat detector
FIRE/CO (P
SUP)
2,4,5
fire alarm/
supervisory
Y lights fire alarm LED for heat, no LED will light
for a CO alarm, supervisory LED will light for
photo alarm, heat and photo will activate CBE,
CO alarm activates special function zone FC
and sixth CBE zone only (sixth CBE zone
programmable via VeriFire Tools)
Photoelectric, Carbon Monoxide, and Heat detector
FIRE/CO (C SUP)
4
fire alarm/
supervisory
Y lights fire alarm LED for heat and photo alarms,
will light supervisory LED for CO alarm, photo
and heat alarms will activate CBE, CO alarm
will activate sixth CBE zone only (sixth CBE
zone programmable via VeriFire Tools)
Photoelectric, Carbon Monoxide, and Heat detector
Note: For FIRE/CO detectors:
Detectors programmed as FIRE/CO (P SUP), the heat and CO elements will latch and require a system reset to clear. The Photo element will latch
or track, depending on the FIRE/CO (P SUP) setting. Detectors programmed as FIRE/CO (C SUP), the heat and Photo elements will latch and
require a system reset to clear. The CO element will latch or track depending on the FIRE/CO (C SUP) setting.
CO ALARM CO alarm Y CBE Position #5 Activates for CO Pre-alarm,
all other CBEs activate for a CO Alarm
Carbon Monoxide detector
CO SUP CO
supervisory
Y
(see note
below)
CBE Position #5 Activates for CO Pre-alarm,
all other CBEs activate for a CO Supervisory
Carbon Monoxide detector
PHOTO/CO
4
fire Y CBE Position #4 activates for CO, CBE
Position #5 Activates for CO Pre-alarm, all
other CBEs activate when the Photo element
activates (i.e. fire alarm)
Photoelectric and Carbon Monoxide detector
P/CO (P SUP)
2,4,5
photo -
supervisory
CO - Alarm
Y
(see note
below)
CBE Position #4 activates for CO, CBE
Position #5 Activates for CO Pre-alarm, all
other CBEs activate when the Photo element
activates (i.e. Supervisory)
Photoelectric and Carbon Monoxide detector
P/CO (C SUP)
4
Photo - Fire
CO -
supervisory
Y CBE Position #4 activates for CO, CBE
Position #5 Activates for CO Pre-alarm, all
other CBEs activate when the Photo element
activates (i.e. fire alarm)
Photoelectric and Carbon Monoxide Detector
Note: For PHOTO/CO detectors:
Detectors programmed as PHOTO/CO (P SUP), the heat and CO elements will latch and require a system reset to clear. The Photo element will
latch or track, depending on the PHOTO/CO (P SUP) setting. Detectors programmed as PHOTO/CO (C SUP), the heat and Photo elements will latch
and require a system reset to clear. The CO element will latch or track depending on the PHOTO/CO (C SUP) setting. For Photo/CO and CO
Detectors programmed as Photo/CO (P SUP) or CO (CO SUP) will either latch and track, depending on the setting.
SMOKE(BEAM) fire alarm Y lights fire alarm LED and activates CBE Beam smoke detector
SMOKE(LASER) fire alarm Y lights fire alarm LED and activates CBE Laser smoke detector
SUP.L(LASER)
2
supervisory Y lights supervisory LED Laser smoke detector used to report supervisory
condition rather than alarm. Latching.
Table 7 Intelligent Detector Type Codes (2 of 3)
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