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FIRE
Back - to - BasicsBack - to - Basics
Fire Alarm Seminar
FIRE
AgendaAgenda
What is a Fire Alarm System?n What is a Fire Alarm System?
n FA Circuits (Classes & Styles)
n Peripherals in Briefn Peripherals in Brief
n How to Wire a Building
n Voltage Drop Considerationsn Voltage Drop Considerations
n Old & Obsolete FA Panels and Concepts
AC Systemsz AC Systems
z Series Signals
z Obsolete Panels
FIRE
What is a Fire AlarmWhat is a Fire AlarmWhat is a Fire Alarm
FIRE
What is a Fire Alarm System?What is a Fire Alarm System?
n The main purpose of a fire alarm system is to protect life n The main purpose of a fire alarm system is to protect life and property by giving early warning of a fire, so that the occupants can evacuate and/or the Fire Department can respond.respond.
n A system must be able to detect the initiation of a fire condition, but also notify someone such as emergency condition, but also notify someone such as emergency personnel, the ocupants of the facility, or both.
FIRE
Fire Alarm System ComponentsFire Alarm System Components
n Fire Alarm Control Panel (FACP)n Fire Alarm Control Panel (FACP)
n Initiating Devices
n Notification Appliances
n Emergency Control
n Supplementary Equipmentn Supplementary Equipment
FIRE
Logic/Control
Fire Alarm Control Panel
User Interface
Program
IDCs
Power
NACs
AUXRelays
Fire Alarm Control Panel
BATT
Program
Distribution
Hardware /
Software
Power
Supply
City
Ckt
Relays
Ckt
120 VAC
FIRE
Fire Alarm Control Panel ComponentsFire Alarm Control Panel Components
n Control Unitn Control Unit
n Initiating Device Circuits (IDCs)
n Notification Appliance Circuits (NACs)
n Auxiliary Circuits
n Power Supplyn Power Supply
FIRE
Fire Alarm Control Panel
Logic/Control
User Interface
Program
IDC
SLC
NACs
AUXRelays
Fire Alarm Control Panel
PowerPrimary Program
Distribution
Hardware /
Software City
Ckt
Relays
BATT
Power
SupplyPrimary
SecondaryCkt
120 VAC
FIRE
Initiating DevicesInitiating DevicesInitiating Devices
FIRE
NFPA Fire Alarm CircuitsNFPA Fire Alarm Circuits
n The National Fire Protection Association (NFPA) n The National Fire Protection Association (NFPA) classifies circuit Types and dictate their Performance
FIRE
NFPA Circuit TypesNFPA Circuit Types
n Initiating Device Circuits (IDC)n Initiating Device Circuits (IDC)
z A circuit to which automatic or manual initiating devices are connected where the signal received does devices are connected where the signal received does not identify the individual device operated
z “Zone”
FIRE
Outputs
Notification Appliances Inputs
Initiating Devices
Fire Alarm Control Panel
Logic/Control Notification Appliances
and Emergency Controls
Initiating Devices
SMK DET Bells/Horns
User Interface
Program
IDCs
Power
NACs
AUXRelays
Fire Alarm Control Panel
F
I
Manual Station
StrobePULL PULL PULL PULL
Simplex
BATT
Program
Distribution
Hardware /
Software
Power
Supply
City
Ckt
RelaysI
R
EWaterflow
Smoke ControlWF
Ckt
Sprinkler
TamperDoor Holders
Simplex
ZONE 1
ZONE 2
ZONE 3
ZONE 4
ZONE 5
ZONE 6
ZONE 7
ZONE 8
ZONE 9
ZONE 10
ZONE 11
ZONE 12 Fire Department
CRT/KBD or
PC Interface
Annunciators
Printer120 VAC
FIRE
Initiating DevicesInitiating Devices
n Manual Stationsn Manual Stations
n Automatic Fire Detectors
z Heat Detectors
PULL PULL PULL PULL
Simplex
z Heat Detectors
z Smoke Detectors
z Flame (UV/IR) Detectorsz Flame (UV/IR) Detectors
z Gas Detectors
n Water Flown Water Flow
n Supervisory Switches
z Sprinkler Valve Tamper
WF
z Sprinkler Valve Tamper
z Tank Water Level
FIRE
How They Work - Contact DevicesHow They Work - Contact Devices
Normal State
FIRE
How They Work - Contact DevicesHow They Work - Contact Devices
Normal State Alarm State
FIRE
How They Work - Current Limited DevicesHow They Work - Current Limited Devices
Normal State
Electronics
FIRE
How They Work - Current Limited DevicesHow They Work - Current Limited Devices
Normal State Alarm State
Electronics Electronics
FIRE
NFPA Fire Alarm CircuitsNFPA Fire Alarm Circuits
n Two basic circuit Classes existed prior to 1993n Two basic circuit Classes existed prior to 1993
z Class B - Non-redundant
z Class A - Redundantz Class A - Redundant
n In 1993 NFPA introduced circuit Styles in order to clarify the difference in circuit operation made available by new the difference in circuit operation made available by new hardware and software
FIRE
NFPA Wiring StylesNFPA Wiring Styles
n Initiating Device Circuits (IDC)n Initiating Device Circuits (IDC)
z Class B (Style B)
PULL DOWNPULL DOWNPULL DOWNPULL DOWN
BREAK GLASSBREAK GLASSBREAK GLASSBREAK GLASS
FIREFIREFIREFIRE FIREFIREFIREFIRE
PULL DOWNPULL DOWNPULL DOWNPULL DOWN
BREAK GLASSBREAK GLASSBREAK GLASSBREAK GLASS
FIREFIREFIREFIRE FIREFIREFIREFIRE
PULL DOWNPULL DOWNPULL DOWNPULL DOWN
BREAK GLASSBREAK GLASSBREAK GLASSBREAK GLASS
FIREFIREFIREFIRE FIREFIREFIREFIRE
Simplex
PULL DOWNPULL DOWNPULL DOWNPULL DOWN
Simplex
PULL DOWNPULL DOWNPULL DOWNPULL DOWN
Simplex
PULL DOWNPULL DOWNPULL DOWNPULL DOWN
FIRE
CLASS B (Style B)
Normal Operation
IDC Module
+
_
Typical Normally Open
Device
2ND FLOOR NORTH HALLWAY
NORMAL
FIRE PRIORITY 2 SYSTEM SYSTEM ALARM POWER
NORMAL
ALARM
ACK
ALARM
ACK
SUPV
ACK
TBL
ACK
ALARM
SILENCE
SYSTEM
RESET
ALARM ALARM SUPERVISORY TROUBLE SILENCEDON
ACK ACK ACK ACK SILENCE RESET
ACKNOWLEDGE
Class B (Style B)Class B (Style B)
Alarm (SHORT) Operation
IDC Module
+
_
1ST FLOOR ELECTRICAL CLOSET ROOM 102
SMOKE DETECTOR ALARM
2ND FLOOR NORTH HALLWAY
ALARM
FIRE PRIORITY 2 SYSTEM SYSTEM ALARM POWER
SMOKE DETECTOR ALARMALARM
ALARM
ACK
ALARM
ACK
SUPV
ACK
TBL
ACK
ALARM
SILENCE
SYSTEM
RESET
ALARM ALARM SUPERVISORY TROUBLE SILENCEDON
ACK ACK ACK ACK SILENCE RESET
ACKNOWLEDGE
Class B (Style B)Class B (Style B)
Trouble (OPEN) Condition
IDC Module
+
_
Class B (Style B)
Trouble (OPEN) ConditionTrouble (OPEN) Condition
IDC Module
+
_
This device can not operate
1ST FLOOR ELECTRICAL CLOSET ROOM 102
SMOKE DETECTOR ALARM
2ND FLOOR NORTH HALLWAY
TROUBLE
FIRE PRIORITY 2 SYSTEM SYSTEM ALARM POWER
SMOKE DETECTOR ALARMTROUBLE
ALARM
ACK
ALARM
ACK
SUPV
ACK
TBL
ACK
ALARM
SILENCE
SYSTEM
RESET
ALARM ALARM SUPERVISORY TROUBLE SILENCEDON
ACK ACK ACK ACK SILENCE RESET
ACKNOWLEDGE
FIRE
NFPA Wiring StylesNFPA Wiring Styles
n Initiating Device Circuits (IDC)n Initiating Device Circuits (IDC)
z Class A (Style D)
FIREFIREFIREFIRE FIREFIREFIREFIRE FIREFIREFIREFIRE FIREFIREFIREFIREFIREFIREFIREFIRE FIREFIREFIREFIRE
Simplex
PULL DOWNPULL DOWNPULL DOWNPULL DOWN
BREAK GLASSBREAK GLASSBREAK GLASSBREAK GLASS
Simplex
PULL DOWNPULL DOWNPULL DOWNPULL DOWN
BREAK GLASSBREAK GLASSBREAK GLASSBREAK GLASS
Simplex
PULL DOWNPULL DOWNPULL DOWNPULL DOWN
BREAK GLASSBREAK GLASSBREAK GLASSBREAK GLASS
Simplex SimplexSimplex
FIRE
Class A (Style D)Class A (Style D)
Normal Operation
IDC Module
+
_
Class A (Style D)Class A (Style D)
Alarm (SHORT) Operation
IDC Module
++
__
Class A (Style D)Class A (Style D)
Trouble (OPEN) Condition
IDC Module
++*
__
*
* Contacts Close on * Contacts Close on
Trouble Condition
Class A (Style D)Class A (Style D)
Trouble & Alarm Condition
IDC Module
++*
__
*
* Contacts Close on * Contacts Close on
Trouble Condition
FIRE
NFPA Wiring StylesNFPA Wiring Styles
n Initiating Device Circuits (IDC) n Initiating Device Circuits (IDC)
z Class B (Style B)
Smoke Detectors - 4 wireSmoke Detectors - 4 wire
Relay Base
Class B (Style B)
Normal OperationNormal Operation
Resetable +R
_
R
E
L
A
Y
Power Circuit
IDC Zone
_
IDC Zone
++
_Zone Circuit
Form C Aux Contacts
Class B (Style B)
Trouble ConditionTrouble Condition
Resetable +R
_
R
E
L
A
Y
IDC Zone
_
IDC Zone
++
_
FIRE
NFPA Wiring StylesNFPA Wiring Styles
n Initiating Device Circuits (IDC) n Initiating Device Circuits (IDC)
z Class B (Style B)
Smoke Detectors - 2 wire (Current Limited)
Class B (Style B)Class B (Style B)
Normal Operation
IDC ModuleIDC Module
+
_
Form A Aux ContactsMicro−Relay
Class B (Style B)Class B (Style B)
Alarm Condition
IDC ModuleIDC Module
+
_
FIRE
Current Limited (2-wire) LimitationsCurrent Limited (2-wire) Limitations
n Fire alarm panels are designed to work with specific n Fire alarm panels are designed to work with specific types of 2-wire Detectors
n There is a limitation to the Quantity of detectors n There is a limitation to the Quantity of detectors which can be placed on a single circuit
n Only auxiliary output function can be guaranteed on a single circuit Only auxiliary output function can be guaranteed on a single circuit
Smoke Detectors - 2 wire (Current Limited)
FIRE
NFPA Wiring StylesNFPA Wiring Styles
n Initiating Device Circuits (IDC) n Initiating Device Circuits (IDC)
z Class B (Style B)
Sprinkler
Combination Circuits
Sprinkler
Tamper
WF
FIRE
This would cause a trouble signal
Old School
Not Allowed
This would cause a trouble signal
Must be a Supervisory signal
+
_
WFWF
Class B (Style B)
Normal ConditionNormal Condition
IDC Module
WF
IDC Module
+
_
Class B (Style B)
Valve Tamper ConditionValve Tamper Condition
IDC Module
WF
IDC Module
+
_
1ST FLOOR ELECTRICAL CLOSET ROOM 102
SMOKE DETECTOR ALARM
MAIN RISER - EAST ENTRANCE
FIRE PRIORITY 2 SYSTEM SYSTEM ALARM POWER
SMOKE DETECTOR ALARMSUPERVTAMPER
ALARM
ACK
ALARM
ACK
SUPV
ACK
TBL
ACK
ALARM
SILENCE
SYSTEM
RESET
ALARM ALARM SUPERVISORY TROUBLE SILENCEDON
ACK ACK ACK ACK SILENCE RESET
ACKNOWLEDGE
Class B (Style B)
Waterflow ConditionWaterflow Condition
IDC Module
WF
IDC Module
+
_
1ST FLOOR ELECTRICAL CLOSET ROOM 102
SMOKE DETECTOR ALARM
MAIN RISER - EAST ENTRANCE
FIRE PRIORITY 2 SYSTEM SYSTEM ALARM POWER
SMOKE DETECTOR ALARMALARMWATERFLOW
ALARM
ACK
ALARM
ACK
SUPV
ACK
TBL
ACK
ALARM
SILENCE
SYSTEM
RESET
ALARM ALARM SUPERVISORY TROUBLE SILENCEDON
ACK ACK ACK ACK SILENCE RESET
ACKNOWLEDGE
FIRE
+Tamper Supervisory
_
+Waterflow Alarm
WF_
Waterflow Alarm
_
FIRE
Notification AppliancesNotification AppliancesNotification Appliances
FIRE
NFPA Circuit TypesNFPA Circuit Types
n Notification Appliance Circuits (NAC)n Notification Appliance Circuits (NAC)
z A circuit or path directly connected to a notification appliance(s)appliance(s)
FIRE
Outputs
Notification Appliances Inputs
Initiating Devices
Fire Alarm Control Panel
Logic/Control Notification Appliances
and Emergency Controls
Initiating Devices
SMK DET Bells/Horns
User Interface
Program
IDCs
Power
NACs
AUXRelays
Fire Alarm Control Panel
PULL PULL PULL PULL
Simplex
Manual Station
Strobe
F
I
BATT
Program
Distribution
Hardware /
Software
Power
Supply
City
Ckt
Relays
WF
Waterflow
Smoke Control
I
R
E
Ckt
Sprinkler
TamperDoor Holders
Simplex
ZONE 1
ZONE 2
ZONE 3
ZONE 4
ZONE 5
ZONE 6
ZONE 7
ZONE 8
ZONE 9
ZONE 10
ZONE 11
ZONE 12 Fire Department
CRT/KBD or
PC Interface
Annunciators
Printer120 VAC
FIRE
Notification Appliances
n Audibles
Notification Appliances
n Audibles
z Horns
z Bells/Chimes
Speakersz Speakers
n Visuals
Xenon Strobesz Xenon Strobesy Non-synchronizedy Synchronized
n Combination Devices
n Firefighter’s Telephones
FIRE
How They Work - DC Devices How They Work - DC Devices (Horns, Bells, Strobes, etc.)
-Normal State -
+
- +
-
-
-
+CCCCathode- -
+ ++
++
-AAAAnode
+ -
FIRE
How They Work - DC Devices (Horns, How They Work - DC Devices (Horns, Bells, Strobes, etc.)
+-Normal State
Supervisory Mode
Monitor Mode
Activated State
Alarm Mode
+-Monitor Mode
-+
FIRE
How They Work - AC Devices (Speakers)How They Work - AC Devices (Speakers)
-Normal State -
+
-Current
- CCCCathode
-
- 0.000.000.000.00
24 VDC24 VDC24 VDC24 VDC +
-
24 VDC24 VDC24 VDC24 VDC
0.000.000.000.00
++ AAAAnode
+ EOLValue
+
Resistance
0.00Value
Resistance
-- CCCCathode
-
24 VDC24 VDC24 VDC24 VDC
++ AAAAnode
++
Alarm Mode = Alarm Mode = Alarm Mode = Alarm Mode = Remove DC monitoring and Output Signal (AC)
--
24 VDC24 VDC24 VDC24 VDC
++
Audio SignalAudio SignalAudio SignalAudio SignalAudio SignalAudio SignalAudio SignalAudio Signal
FIRE
How They Work - AC Devices (Speakers)How They Work - AC Devices (Speakers)
--Normal State
+
FIRE
How They Work - AC Devices (Speakers)How They Work - AC Devices (Speakers)
-Normal State Activated State AC-
AC+
FIRE
NFPA Wiring StylesNFPA Wiring Styles
n Notification Appliance Circuits (NAC)n Notification Appliance Circuits (NAC)
z Class B (Style Y)
FIRE
Class B (Style Y)
Normal OperationNormal Operation
NAC Module
_
++
2ND FLOOR NORTH HALLWAY
NORMALSIGNALS
FIRE PRIORITY 2 SYSTEM SYSTEM ALARM POWER
NORMALSIGNALS
ALARM
ACK
ALARM
ACK
SUPV
ACK
TBL
ACK
ALARM
SILENCE
SYSTEM
RESET
ALARM ALARM SUPERVISORY TROUBLE SILENCEDON
ACK ACK ACK ACK SILENCE RESET
ACKNOWLEDGE
Class B (Style Y)
Alarm ConditionAlarm Condition
NAC Module
+
__
Class B (Style Y)
Trouble ConditionTrouble Condition
NAC Module
_
++
This device can not operate
1ST FLOOR ELECTRICAL CLOSET ROOM 102
SMOKE DETECTOR ALARM
2ND FLOOR NORTH HALLWAY
TROUBLESIGNALS
FIRE PRIORITY 2 SYSTEM SYSTEM ALARM POWER
SMOKE DETECTOR ALARMTROUBLESIGNALS
ALARM
ACK
ALARM
ACK
SUPV
ACK
TBL
ACK
ALARM
SILENCE
SYSTEM
RESET
ALARM ALARM SUPERVISORY TROUBLE SILENCEDON
ACK ACK ACK ACK SILENCE RESET
ACKNOWLEDGE
Class B (Style Y)
Alarm ConditionAlarm Condition
NAC Module
+
__
FIRE
NFPA Wiring StylesNFPA Wiring Styles
n Notification Appliance Circuits (NAC)n Notification Appliance Circuits (NAC)
z Class A (Style Z)
FIRE
Class A (Style Z)
Normal OperationNormal Operation
NAC Module
_
++
Class A (Style Z)
Alarm ConditionAlarm Condition
NAC Module
+*
__
*
* Contacts Close on
Alarm Condition
Class A (Style Z)
Trouble ConditionTrouble Condition
NAC Module
_
++
Class A (Style Z)
Trouble & Alarm ConditionTrouble & Alarm Condition
NAC Module
+*
__
*
* Contacts Close on
Alarm Condition
FIRE
Phone Circuit
+
Phone JackPhone JackPhone JackPhone Jack
5k EOL5k EOL5k EOL5k EOL
_
5k EOL5k EOL5k EOL5k EOL
300 300 300 300 Ω
_
5k EOL = Normal5k EOL = Normal300 Ω = Phone plugged inOpen = TroubleShort = TroubleShort = TroubleGF = Trouble
FIRE
Signaling LinesSignaling LinesSignaling Lines
FIRE
NFPA Circuit TypesNFPA Circuit Types
n Signaling Line Circuits (SLC)n Signaling Line Circuits (SLC)
z A circuit or path between any combination of circuit interfaces, control units, or transmitters over which interfaces, control units, or transmitters over which multiple system input signals or output signals, or both are carried
FIRE
NFPA Wiring StylesNFPA Wiring Styles
n Signaling Line Circuits (SLC)n Signaling Line Circuits (SLC)
z Class B (Style 4)
FIRE
Addressable Systems
Class B (Style 4)
Normal OperationAddressable SystemsNormal Operation
Control Panel Interrogation
101 102 103 104
101 What is your status?
FACP MemoryFACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
Addressable Systems
Class B (Style 4)
Normal OperationAddressable SystemsNormal Operation
101 102 103 104FACP Memory
101 Status: Normal
FACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
Device Response
Addressable Systems
Class B (Style 4)
Normal OperationAddressable SystemsNormal Operation
Control Panel Interrogation
101 102 103 104FACP Memory
102 What is your status?
FACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
Addressable Systems
Class B (Style 4)
Normal OperationAddressable SystemsNormal Operation
101 102 103 104FACP MemoryFACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
102 Status: Alarm
Device Response
Addressable Systems
Class B (Style 4)
Normal OperationAddressable SystemsNormal Operation
Control Panel Interrogation
101 102 103 104FACP Memory
103 What is your status?
FACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
Addressable Systems
Class B (Style 4)
Normal OperationAddressable SystemsNormal Operation
101 102 103 104FACP Memory
103 Status: Trouble
FACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
Device Response
Addressable Systems
Class B (Style 4)
Normal OperationAddressable SystemsNormal Operation
Control Panel Interrogation
101 102 103 104FACP Memory
104 What is your status?
FACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
Addressable Systems
Class B (Style 4)
Normal OperationAddressable SystemsNormal Operation
101 102 103 104FACP MemoryFACP Memory
101 Normal
102 Alarm
103 Trouble
104 Normal
104 Status: Normal
Device Response
Addressable Systems
Class B (Style 4)
Trouble ConditionAddressable SystemsTrouble Condition
Control Panel Interrogation
101
101 What is your status?
FACP Memory102 103 104
FACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
Addressable Systems
Class B (Style 4)
Trouble ConditionAddressable SystemsTrouble Condition
101FACP Memory
102 103 104
101 Status: Normal
FACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
Device Response
Addressable Systems
Class B (Style 4)
Trouble ConditionAddressable SystemsTrouble Condition
Control Panel Interrogation
101FACP Memory
102 103 104
102 What is your status?
FACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
Addressable Systems
Class B (Style 4)
Trouble ConditionAddressable SystemsTrouble Condition
101FACP Memory
102 103 104FACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
102 Status: Alarm
Device Response
Addressable Systems
Class B (Style 4)
Trouble ConditionAddressable SystemsTrouble Condition
Control Panel Interrogation
101FACP Memory
102 103 104
103 What is your status?
FACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
Addressable Systems
Class B (Style 4)
Trouble ConditionAddressable SystemsTrouble Condition
101FACP Memory
102 103 104FACP Memory
101 Normal
102 Alarm
103 No Answer
104 Trouble
Device Response
Addressable Systems
Class B (Style 4)
Trouble ConditionAddressable SystemsTrouble Condition
Control Panel Interrogation
101FACP Memory
102 103 104
104 What is your status?
FACP Memory
101 Normal
102 Alarm
103 No Answer
104 Trouble
Addressable Systems
Class B (Style 4)
Trouble ConditionAddressable SystemsTrouble Condition
101 102FACP Memory
102 103 104FACP Memory
101 Normal
102 Alarm
103 No Answer
104 No Answer
Device Response
FIRE
NFPA Wiring StylesNFPA Wiring Styles
n Signaling Line Circuits (SLC)n Signaling Line Circuits (SLC)
z Class A (Style 6)
FIRE
Addressable Systems
Class A (Style 6)
Trouble Condition - OPENAddressable SystemsTrouble Condition - OPEN
Control Panel Interrogation
101 102 103 104
101 What is your status?
FACP MemoryFACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
Addressable Systems
Class A (Style 6)
Trouble Condition - OPENAddressable SystemsTrouble Condition - OPEN
101 102 103 104FACP Memory
101 Status: Normal
FACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
Device Response
Addressable Systems
Class A (Style 6)
Trouble Condition - OPENAddressable SystemsTrouble Condition - OPEN
Control Panel Interrogation
101 102 103 104FACP Memory
102 What is your status?
FACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
Addressable Systems
Class A (Style 6)
Trouble Condition - OPENAddressable SystemsTrouble Condition - OPEN
101 102 103 104FACP MemoryFACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
102 Status: Alarm
Device Response
Addressable Systems
Class A (Style 6)
Trouble Condition - OPENAddressable SystemsTrouble Condition - OPEN
Control Panel Interrogation
101 102 103 104FACP MemoryFACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
103 What is your status?
Addressable Systems
Class A (Style 6)
Trouble Condition - OPENAddressable SystemsTrouble Condition - OPEN
101 102 103 104FACP MemoryFACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
Device Response
103 Status: Trouble
Addressable Systems
Class A (Style 6)
Trouble Condition - OPENAddressable SystemsTrouble Condition - OPEN
Control Panel Interrogation
101 102 103 104FACP MemoryFACP Memory
101 Normal
102 Alarm
103 Trouble
104 Trouble
104 What is your status?
Addressable Systems
Class A (Style 6)
Trouble Condition - OPENAddressable SystemsTrouble Condition - OPEN
101 102 103 104FACP MemoryFACP Memory
101 Normal
102 Alarm
103 Trouble
104 Normal
Device Response
104 Status: Normal
Addressable Systems
Class A (Style 6)
Trouble Condition - SHORTAddressable SystemsTrouble Condition - SHORT
101 102 103 104FACP MemoryFACP Memory
101 No Answer
102 No Answer
103 No Answer
104 No Answer SLC FailureSLC Failure
Catastrophic FailureCatastrophic Failure
FIRE
FIRE
Style 7 (Class A) Network
Signalling Line Circuit, Normal Operation
FIRE
Token
Style 7 (Class A) Network
Signalling Line Circuit, Normal Operation
FIRE
Token
Style 7 (Class A) NetworkStyle 7 (Class A) Network
Signalling Line Circuit, Operation With a Single Short or
Open
FIRE
TokenToken
Token
Style 7 (Class A) Network
Signalling Line Circuit, Operation with Multiple Shorts
or Opens
MODULESMODULES
n MONITORn MONITOR
n RELAY
n SIGNAL
n MONITORn MONITOR
n Relay Module, n Relay Module,
z Control Module, Control ZAM
n Signal n Signal Module
n Signaln Signal
FIRE
n MONITORn MONITOR
FIRE
n MONITORn MONITOR
n MONITORn MONITOR
FIRE
Addressable Devices - IAMAddressable Devices - IAM
n Individual Addressable Modulen Individual Addressable Module
z Addressable Station
z Addressable Basez Addressable Base
y Photo
y Ionization
y Heat
z Supervised IAM
y Monitors a single conventional contact devicey Monitors a single conventional contact device
z IAM Relay (ID Net only)
Obtains operating power from SLCn Obtains operating power from SLC
Supervised IAM
SLC
+
_
Typical Normally Open
Device
FIRE
Addressable Devices - ZAMAddressable Devices - ZAM
n Zone Addressable Modulen Zone Addressable Module
z Interfaces with a Zone of Conventional Devices
z Monitoring Devicesz Monitoring Devices
y Class B Monitor ZAM
y Class A Monitor ZAM
y 4-Wire Monitor ZAM
z Control Devices
y Unsupervised Control ZAMy Unsupervised Control ZAM
y Supervised Signal ZAM
n Obtains operating power from a separate sourcen Obtains operating power from a separate source
Class B Monitor ZAM
+
_
+
Operating
Power
SLC
_
+
_
Class A Monitor ZAM
+
_
+
Operating
Power
SLC
_
+
_
4-Wire Monitor ZAM
R++
R
E
L
A
Y
Resetable
Power
_
+
_
+
Operating
Power
SLC
__
++
_
Control ZAM
+ Normally
_
+
Operating
Power
Normally
Open
Normally
Closed
SLC
_ Closed
1 RelayNormally
Open
1 Relay
Open
Normally
Closed
Signal ZAM
+
_
+
Operating
Power
SLC
__
+SIGNAL
Power
+
INTELLIGENT DEVICESINTELLIGENT DEVICES
MODULESMODULES
n MONITORn MONITOR
n RELAY
n SIGNAL
Single Input Contact Module
SIGA-CT1SIGA-CT1
n Four Assignable Personalities
z Alarm, Supervisory, Waterflow (delayed latching retard), MonitorMonitor
n 1-gang Mount
Dual Input Contact Module
SIGA-CT2SIGA-CT2
n Four Separate Assignable Personalities to Each InputPersonalities to Each Input
z Alarm, Supervisory, Waterflow (delayed latching retard), (delayed latching retard), Monitor
n 1-gang Mountn 1-gang Mount
Monitor ModuleMonitor Module
SIGA-MM1
n Factory Pre-loaded Monitor n Factory Pre-loaded Monitor Function
z Saves installation timez Saves installation time
n 1-gang Mount
Waterflow/Tamper ModuleWaterflow/Tamper Module
SIGA-WTMSIGA-WTM
n Factory Pre-loaded Waterflow n Factory Pre-loaded Waterflow (16 second delayed latching retard) and Supervisory Input
z Saves installation time
n 1-gang Mountn 1-gang Mount
Single Circuit Control Module
SIGA-CC1SIGA-CC1
n Single Riser Selectn Switch Signal Riser
z 2 amps @ 24 Vdc
n Two Assignable Personalities
z 2 amps @ 24 Vdc
z 50 watts @ 25 Vaudio
35 watts @ 70VaudioPersonalities
n Switch Telphone Riser
z Built-in RING TONE
z 35 watts @ 70Vaudio
z Built-in RING TONE generator for fire phones
n 2-gang Mount
Dual Circuit Control ModuleDual Circuit Control Module
SIGA-CC2
Dual Riser Selectn Dual Riser Select
n Select Signal Risern Select Signal Riser
z 2 amps @ 24 Vdc
z 50 watts @ 25 Vaudioz 50 watts @ 25 Vaudio
z 35 watts @ 70Vaudio
n 2-gang Mount
Control RelayControl Relay
SIGA-CR
Form “C” NO or NC Contactn Form “C” NO or NC Contact
z 0.5 amps @ 220 Vac (non UL)
z 0.5 amps @ 120 Vac
z 2 amps (pilot duty) @ 24 Vdc
z 50 watts @ 25 Vaudio
z 35 watts @ 70 Vaudioz 35 watts @ 70 Vaudio
n 1-gang Mount
Universal Class A/B Module
15 Assignable Personalities15 Assignable Personalities
z Two Class B or one Class A Initiating Device Circuits
SIGA-UMInitiating Device Circuits
z One Class A or B Indicating Appliance Circuit
z One Class A or B Smoke Detector Circuit (2-wire verified or non-verified)or non-verified)
z One Form “C” Dry Contact Relay
FIRE
Emergency ControlsEmergency ControlsEmergency Controls
FIRE
Outputs
Notification Appliances Inputs
Initiating Devices
Fire Alarm Control Panel
Logic/Control Notification Appliances
and Emergency Controls
Initiating Devices
SMK DET Bells/Horns
User Interface
Program
IDCs
Power
NACs
AUXRelays
Fire Alarm Control Panel
F
I
PULL PULL PULL PULL
Simplex
Manual Station
Strobe
BATT
Program
Distribution
Hardware /
Software
Power
Supply
City
Ckt
RelaysI
R
E
WF
Waterflow
Smoke Control
Ckt
Sprinkler
TamperDoor Holders
Simplex
ZONE 1
ZONE 2
ZONE 3
ZONE 4
ZONE 5
ZONE 6
ZONE 7
ZONE 8
ZONE 9
ZONE 10
ZONE 11
ZONE 12 Fire Department
CRT/KBD or
PC Interface
Annunciators
Printer120 VAC
FIRE
Emergency Controls (Outputs)Emergency Controls (Outputs)
n Supervisedn Supervised
z City Connection
z UUKL Smoke Controlz UUKL Smoke Control
n Unsupervised
z Door Control (Holders & Locks)
z Smoke (Fan & Damper) Control
z Elevator Recall
z Emergency Lighting Control
FIRE
City ConnectionsCity ConnectionsCity Connections
Contact DACTContact DACT
FIRE
Conventional
Contact
Monitoring
DACTDACT
FIRE
Conventional
Contact
Monitoring
DACTDACT
FIRE
Conventional
Contact
Monitoring
DACTDACT
FIRE
Conventional
Contact
Monitoring
DACTDACT
FIRE
“ABC CORPORATION ALARM”“ABC CORPORATION ALARM”
Conventional
Contact
Monitoring
DACTDACT
FIRE
City ConnectionsCity ConnectionsCity Connections
Serial DACTSerial DACT
FIRE
SERIAL
DACT
FIRE
SERIAL
DACT
FIRE
SERIAL
DACT
FIRE
SERIAL
DACT
FIRE
“ABC CORPORATION
SMOKE DETECTOR ALARMSMOKE DETECTOR ALARM
THIRD FLOOR EAST STORAGE CLOSET”
SERIAL
DACT
FIRE
Supplementary Supplementary Supplementary
EquipmentEquipment
FIRE
Outputs
Notification Appliances Inputs
Initiating Devices
Fire Alarm Control Panel
Logic/Control Notification Appliances
and Emergency Controls
Initiating Devices
SMK DET Bells/Horns
User Interface
Program
IDCs
Power
NACs
AUXRelays
Fire Alarm Control Panel
F
I
PULL PULL PULL PULL
Simplex
Manual Station
Strobe
BATT
Program
Distribution
Hardware /
Software
Power
Supply
City
Ckt
RelaysI
R
E
WF
Waterflow
Smoke Control
Ckt
Sprinkler
TamperDoor Holders
Fire Department
ZONE 1
ZONE 2
ZONE 3
ZONE 4
ZONE 5
ZONE 6
ZONE 7
ZONE 8
ZONE 9
ZONE 10
ZONE 11
ZONE 12
Simplex
CRT/KBD or
PC Interface
Annunciators
Printer120 VAC
FIRE
Supplementary Equipment - AnnunciatorsSupplementary Equipment - Annunciators
n Graphic or Directory Lamp AnnunciatorsZONE 1 ZONE 5 ZONE 9
n Graphic or Directory Lamp Annunciators
n Computer Based Graphic Systems
ZONE 1
ZONE 2
ZONE 3
ZONE 4
ZONE 5
ZONE 6
ZONE 7
ZONE 8
ZONE 9
ZONE 10
ZONE 11
ZONE 12
n Text-based CRTsSimplex
n Text-based Printers
FIRE
Basic AnnunciatorsBasic Annunciators
n Hardwiredn Hardwired
z One Wire and Common per Point
ZONE 1 ZONE 5 ZONE 9
Simplex
ZONE 2
ZONE 3
ZONE 4
ZONE 6
ZONE 7
ZONE 8
ZONE 10
ZONE 11
ZONE 12
FIRE ALARM CONTROL
FIRE
Basic AnnunciatorsBasic Annunciators
n Serial Annunciatorn Serial Annunciator
z Twisted/Sheilded Wiring (Communications)
z Powerz Power
y 120 VAC
y 24 VDC
Simplex
ZONE 1 ZONE 5 ZONE 9
FIRE ALARM CONTROL
ZONE 1
ZONE 2
ZONE 3
ZONE 4
ZONE 5
ZONE 6
ZONE 7
ZONE 8
ZONE 9
ZONE 10
ZONE 11
ZONE 12
FIRE ALARM CONTROL
FIRE
Basic AnnunciatorsBasic Annunciators
n CRTs, Printers, PC Based Graphicsn CRTs, Printers, PC Based Graphics
z Twisted/Sheilded Wiring (Communications)
z Powerz Power
y 120 VAC
y 24 VDC
Simplex
FIRE ALARM CONTROL
120 VAC
FIRE ALARM CONTROL
FIRE
Basic Basic Basic
PeripherialsPeripherials
FIRE
Peripherals - Manual DevicesPeripherals - Manual Devices
n Manual Stationsn Manual Stations
z Conventional & Addressable
z Single or Double Actionz Single or Double Action
z Standard material - Lexan (Plastic)
y Limited choice of Metal models availabley Limited choice of Metal models available
n Valve Tamper
z Typically Supplied by Othersz Typically Supplied by Others
FIRE
Peripherals - Automatic DevicesPeripherals - Automatic Devices
n Smoke Detectorsn Smoke Detectors
z Photoelectric
z Ionizationz Ionization
z Beam
z Air Aspiration (VESDA)
z Ductz Duct
n Heat
Fixedz Fixed
z Rate-of-Rise
z Combinationz Combination
z Rate Compensated
FIRE
Peripherals - Automatic DevicesPeripherals - Automatic Devices
n Waterflown Waterflow
z Typically supplied by others
n Flame Detectors
FIRE
Peripherals - Audible AppliancesPeripherals - Audible Appliances
n Hornsn Horns
n Bells
n Chimes
n Speakers
z 25 VRMS
z 70 VRMS
FIRE
Peripherals - Visual AppliancesPeripherals - Visual Appliances
n XENONn XENON
y 15 cd
y 30 cd
y 110 cd
n Combined with Audible (AV)n Combined with Audible (AV)
n Synchronized Option
z Requires a “Sync Cube”z Requires a “Sync Cube”
FIRE
Miscellaneous DevicesMiscellaneous Devices
n Door Holdersn Door Holders
z Watch Voltage Requirements
y 24 volt units require Power Suppliesy 24 volt units require Power Supplies
n Relays
n Firefighter Phones
z Jacksz Jacks
z Emergency Phones in Cabinet
FIRE
How to Wire a How to Wire a How to Wire a
BuildingBuilding
IDC Module
+
IDC Module
+
_
RightIDC Module
+
IDC Module
+
_
WrongIDC Module
+
IDC Module
+
_
RightIDC Module
+
IDC Module
+
_
RightNAC ModuleNAC Module
+
_
FIRE
PROPER WIRING TERMINATIONS PROPER WIRING TERMINATIONS FOR HARDWIRED CIRCUITS
Conductors must be broken at each
device termination (Incoming & device termination (Incoming &
Outgoing conductors must not be
twisted together or left as a continuous twisted together or left as a continuous
wire)
No T-Taps
FIRE
Pg. 72-99
Annex G Annex G
FIRE
FIRE
ShieldingShielding
Most digital communication ckts require a twisted
shielded pair (TSP) of wires. Shielding usually
consist of a foil shield and a drain wire which is inconsist of a foil shield and a drain wire which is in
continuous contact with the foil. Shielding prevents
cross-talk between other circuits run next to the cable,cross-talk between other circuits run next to the cable,
shields against EMI or RFI noise or interference that
could be induced from the surroundings and helps tocould be induced from the surroundings and helps to
prevent the shielded circuit from emitting noise that
could interfere with other circuits.
FIRE
Shielding
Shielding
1. When joints or connections are made, as little of the
cable as possible should be stripped back so that only a
small amount of the wiring will be unshielded.small amount of the wiring will be unshielded.
The shield must be continuous throughout the ckt. In2. The shield must be continuous throughout the ckt. In
other words, the drain (shield) wires must be tied together
with a good mechanical bond at every cable joint orwith a good mechanical bond at every cable joint or
splice.
FIRE
Shielding
1. The shield MUST be isolated from ground throughout
the ckt. Usually this is done with electrical tape but it may
be done with heat shrink. The shield is only tied to abe done with heat shrink. The shield is only tied to a
signal ground at one point (usually at the control panel).
This signal ground is sometimes earth ground and
sometimes 0V or system common.sometimes 0V or system common.
. Grounds at more than one point on the shield
can cause ground loops. This may create more
noise than having no shield at all.
FIRE
National Electrical Code (NEC)National Electrical Code (NEC)
n 1993 Editionn 1993 Edition
n Article 760 Fire Protective Signaling Circuits
z Scope & General 760-1 to 760-7
z Nonpower-Limited 760-11 to 760-18
z Power Limited 760-21 to 760-53
FIRE
Power Limited CircuitsPower Limited Circuits
n Operate between 20 VDC and 250 VDCn Operate between 20 VDC and 250 VDC
z Circuits are limited to 100 Volt-Amperes (VA)
n Power limiting is accomplished by use of proper power source
A power limited source can be:n A power limited source can be:
z A circuit breaker or fuse if:y The overcurrent device is not interchangeable with higher y The overcurrent device is not interchangeable with higher rated device
y The overcurrent device is located where the conductor to be protected receives its supply
z An inherently limited power supplyy No output power is provided if the output is shorted
FIRE
Power Limited Control PanelsPower Limited Control Panels
n Circuit Marking (NEC 760-22):n Circuit Marking (NEC 760-22):
z The equipment shall be durably marked where plainly visible to indicate each circuit that is a power-limited circuit. visible to indicate each circuit that is a power-limited circuit.
n If the circuits are not marked “Power Limited”, the system must be considered Non-Power Limited.must be considered Non-Power Limited.
FIRE
Power Limited vs. Non-Power Limited Power Limited vs. Non-Power Limited (Exposed Wiring)
Power Limited Non-Power LimitedPower Limited
n Single conductors are allowed (Table 760-51)
Non-Power Limited
n 2 conductors minimum (760-17(c)(2)
n Minimum conductor size in cable
z #26 AWG (Table 760-51)
n Minimum conductor size in cable:
z #18AWGz #26 AWG (Table 760-51)
n FPLP Cable Installation
z Plenums
z #18AWG
n NPLFP Cable Installation
z Other spaces used for z Plenums
z DUCTs
z Other spaces used for environmental air
z Other spaces used for environmental air
n No cable substitutions are allowedenvironmental air
n Cable substitutions are allowed (Table 760-53)
allowed
FIRE
Fire Protective Signaling CablesFire Protective Signaling Cables
Non-power limited cablesn Non-power limited cables
z NEC 760 - 17(c) (4, 5, & 6)
n Power limited cables
z NEC 760 - 51(d, e, & f)Power Non-Power
Application Limited Limited
General Use FPL NPLF
Riser (Vertical Runs) FPLR NPLFR
Plenum or DUCT [NEC 300-22(b)] FPLP Use conduit
Other spaces used to transport Environmental air [NEC 300-22(c)] FPLP NPLFP
FIRE
Wiring ConsiderationsWiring Considerations
Voltage Drop & DistancesVoltage Drop & Distances
FIRE
Wire Distance LimitationsWire Distance Limitations
n Initiating Device Circuits:#14 = 3.07Ω / 1000 Feetn Initiating Device Circuits:
z 8 Zone Monitor modules - Class B (Style B)
y 10,000 feet or 50 ohms, whichever comes first
#14 = 3.07Ω / 1000 Feet
50 / 3.07 = 16.3
16.3 x 1000 = 16300y 10,000 feet or 50 ohms, whichever comes first
y 2-wire smoke detector circuits: 50 ohms max. line resistance
y Dry contact only circuits: 800 ohms max. line resistance
8 Zone Monitor Modules - Class A (Style D)
16.3 x 1000 = 16300
16300 / 2 = 8150 Ckt Length
z 8 Zone Monitor Modules - Class A (Style D)
y 10,000 feet from module and back to the module or 50 ohms, whichever comes first (5,000 feet to furthest device)
FIRE
Wire Distance LimitationsWire Distance Limitations
n Monitor Zone Addressable Module (ZAM)n Monitor Zone Addressable Module (ZAM)
z Class B (Style B)
y 2,000 feet or 10 ohms, whichever comes firsty 2,000 feet or 10 ohms, whichever comes first
z Class A (Style D)
y 2,000 feet or 10 ohms, whichever comes first, from ZAM terminals and back to the ZAM terminalsterminals and back to the ZAM terminals
y 2000 feet from module and back to the module or 10 ohms, whichever comes first (1,000 feet to furthest device)
n Wire Guage
z 18 AWG minimumz 18 AWG minimum
z 12 AWG maximum
FIRE
Wire Distance LimitationsWire Distance Limitations
n MAPNET & IDNetn MAPNET & IDNet
z Class B (Style 4)
y 10,000 feet maximum of all wire runs including:y 10,000 feet maximum of all wire runs including:
y All T-taps
y Parallel runs
y For each continuous run:y For each continuous run:
y 2,500 feet for up to 250 IDNet devices
y 2,500 feet for up to 128 MAPNET devices
3,000 feet for up to 96 MAPNET devicesy 3,000 feet for up to 96 MAPNET devices
y 4,000 feet for up to 64 MAPNET devices
y When run exceeds 2,500 feet twisted shielded wiring is required.required.
FIRE
Wire Distance LimitationsWire Distance Limitations
n MAPNETn MAPNET
z Class A (Style 6)
y No T-tapping is allowedy No T-tapping is allowed
y For each continuous run from FACP and back:
y 2,500 feet for up to 128 MAPNET devices
y 1250 feet to furthest devicey 1250 feet to furthest device
y 3,000 feet for up to 96 MAPNET devices
y 1500 feet to furthest device
4,000 feet for up to 64 MAPNET devicesy 4,000 feet for up to 64 MAPNET devices
y 2000 feet to furthest device
y When run exceeds 2,500 feet twisted shielded wiring is required.required.
FIRE
Wire Distance LimitationsWire Distance Limitations
n Notification Appliance Circuits (NAC)n Notification Appliance Circuits (NAC)
z Audibles & Visuals
MaximumMaximum
Circuit Line Maximum distance (feet)
Current Resistance (2 conductor cable)
(amps) (Ω) 18AWG 16AWG 14AWG 12AWG
0.250 10.8 845 1340 2138 3400
0.500 5.4 420 670 1065 1700
0.750 3.6 280 445 710 1130
1.000 2.7 210 335 530 8501.000 2.7 210 335 530 850
1.250 2.16 165 265 425 680
1.500 1.8 140 220 350 565
1.750 1.54 120 190 300 480
2.000 1.35 105 165 265 4252.000 1.35 105 165 265 425
FIRE
Wire Distance LimitationsWire Distance Limitations
n Notification Appliance Circuits (NAC)n Notification Appliance Circuits (NAC)
z Speakers
z 25 VRMSz 25 VRMS
Maximum Distance (feet)
25VRMS POWER (Twisted Pair Wire)25VRMS POWER (Twisted Pair Wire)
APPLIED 18AWG 16AWG 14AWG 12AWG
50W 400 680 1021 1624
40W 505 804 1279 2033
30W 673 1070 1704 2707
20W 1011 1608 2558 4067
10W 2024 3219 5120 8140
FIRE
Wire Distance LimitationsWire Distance Limitations
n Notification Appliance Circuits (NAC)n Notification Appliance Circuits (NAC)
z Speakers
z 70 VRMSz 70 VRMSMaximum Distance (feet)
70VRMS POWER (Twisted Pair W ire)
APPLIED 18AWG 16AWG 14AWG 12AWG
100W 1620 2577 4098 6500100W 1620 2577 4098 6500
80W 2020 3212 5108 8121
70W 2317 3685 5860 9318
60W 2700 4276 6800 10860
50W 3241 5154 8197 1300050W 3241 5154 8197 13000
40W 4040 6424 10216 16243
30W 5379 8553 13602 21721
20W 8065 12823 20394 32424
10W 16000 25000 40000 6480010W 16000 25000 40000 64800
FIRE
FIRE
Old StuffOld StuffOld Stuff
FIRE
Series Notification Circuits (AC)Series Notification Circuits (AC)
n Works like inexpensive Christmas lights… n Works like inexpensive Christmas lights… One fails, they all fail
z 120 VACz 120 VAC
y Horns, Bells, Chimes
z 300+ Volt Audio
y Speakers
n All devices must be replaced when upgrading systemAll devices must be replaced when upgrading system
FIRE
Series Notification Circuits (AC)Series Notification Circuits (AC)(Normal Condition)
120VACVAC
NEUT
Trouble Monitor
Circuit
FIRE
Series Notification Circuits (AC)Series Notification Circuits (AC)(Normal Condition)
120VACVAC
NEUT
Trouble Monitor
Circuit
Series ACNAC ModuleNAC Module
RightNAC ModuleNAC Module
+
_
Need Additional Wiring
FIRE
4246/4247 AC FACP4246/4247 AC FACP
FIRE
4246/4247 AC FACP4246/4247 AC FACP
n Introduced ?????? n Introduced ??????
n All Peripherals operate on 120 VAC
z No Standby Batteries
n ONE IDCn ONE IDC
n 2- Series Wired NACs
z Built in groups of 2z Built in groups of 2
n Boxes not compatible with and current panelspanels
FIRE
4208 Hardwired FACP4208 Hardwired FACP
n Introduced in early 1970sn Introduced in early 1970s
n First Multi-zone FACP
n Not Programmable
n MOST features duplicated in 4XXX series panels
z Watch for AC Series NACs
n Boxes not compatible with and current panels
FIRE
4207 Hardwired FACP4207 Hardwired FACP
n Introduced in 1974n Introduced in 1974
n Transistor based replacment for the 4208
n Not Programmable
n MOST features duplicated in 4XXX series panels
z Watch for AC Series NACs
n Boxes not compatible with and current panels
FIRE
2001 Hardwired FACP2001 Hardwired FACP
FIRE
2001 Hardwired FACP2001 Hardwired FACP
n Introduced in late 1978n Introduced in late 1978
z Workhorse FACP for 15 yrs!
n Modular-based replacement of 4207
n Sometimes packaged with 2100 & 2120 Multiplex n Sometimes packaged with 2100 & 2120 Multiplex Systems
n Not Programmable
n MOST features duplicated in 4XXX series panels
z Watch for AC Series NACs
n 2, 4, & 6 unit Boxes not compatible with 4XXX series panels
Recommended