IFP-2000
Farenhyt PHD
Signaling Line
Circuit - Hochiki
Module 5B
Objectives
At the end of this section you will be able to:
Describe how to calculate wiring distances for an SLC loop
Explain the functions of each SLC device
Explain the unique wiring considerations for each SLC device
Demonstrate how to address SLC devices from the FACP
Terminology
SLC Sensor
Any addressable smoke or heat detector
SD505 - AHS
SD505 - APS
SLC Module
Any Hochiki addressable input or output
SD500 – AIM
SD500 – Zone
SD500 - ARM
Wiring Requirements
Maximum resistance 50 ohms
Measure from start to last device
Class A measures the whole loop
Has to be the same gauge if you want to T-tap
T-taps cannot
exceed 40,000
feet for the whole SLC
Wire gauge
Max Distance
22 AWG
1,500 ft
18 AWG
3,900 ft
16 AWG
6,200 ft
14 AWG
10,000 ft
Wiring Requirements
Wire distance is calculated to the end of the run
One way - NOT back
Wire distance must be less than max for the
gauge
Distance to end of run
Wiring Requirements TT-Taps
Furthest from the FACP
Use the distance of the device that is furthest from the
FACP to determine the gauge
DO NOT mix gauges for the whole loop
Wiring Requirements TT-Taps
Furthest smoke
3600 Feet away
Wire gauge
Max Distance
22 AWG
1,500 ft
18 AWG
3,900 ft
16 AWG
6,200 ft
14 AWG
10,000 ft
Need 18 AWG for the
entire SLC
SD505 - AHS
Addressable Heat Sensor
An absolute temperature device
Responds to an alarm immediately if the temperature goes
above the trip point
Programmed in the zone characteristics
Used in areas with a lot of steam and fumes
Example = a kitchen
Programmable set temperature from 135 to 150 degrees F
Resettable
SD505 - AIS
Addressable Ion Sensor
Provide early warning in fast-flaming fires that show little
visible smoke
Hospitals
Industrial environments
Places where rapid fire development is expected
SD505 - APS
Addressable Photoelectric Sensor
Particularly suited to detecting dense smoke in smoldering
fires
Fires involving materials such as:
Soft furnishings
Plastic
Foam
SLC LEDs
Smoke detector heads - two LEDS
Both red
SLC modules – 1 LED
Can be red or green
Flash once every 15-20 seconds during
communications with FACP
First two devices in alarm latch their LEDs on
However, all other devices will flash their LEDs 3
times when they go into alarm, then turn them off
Heat & Smoke Detector Install
30-32 VDC across the SLC terminals
SD505 – 6SB
SLC Sounder Base
Used in
Hotels
Apartments
Assistant living
Needs 24 VDC aux power
Capable of single and multi-station formats
Single station – single room alarm
Multi-station – multiple room alarm
Can be mapped like any output
The sounder base shares the same address as the detector
Makes installation and programming easy
SD505 – 6SB Wiring
SD505 – 6SB Wiring
Aux power supervised by the device
SD505 – 6RB
SLC Relay Base
The relay base shares the same address as the detector
Rated for 8A @ 30V or 240V
Example
Door holders
Elevator recall
Fan shutdown
SD505 – 6RB Wiring
SD505 – 6RB Wiring
SD505 - DUCTR
Addressable Duct Housing
Formally known as SD505-ADHR
Has photo smoke and relay
Works the same as DUCT
The built-in relay module can be programmed to turn off fans,
blowers, and other devices
Connects to remote test switch with LED annunciator
DUCTR Connections
24VDC Power
SLC
DUCTR Connections
Alarm Contacts
10A @ 250VAC
Trouble Contacts
2.5A @ 30VDC
SD505 DTSDTS-K
Accessory to SD505 – DUCTR
Allows you to remotely test the duct detector
Remote test switch
Alarm LED
Pilot LED
Looks like a single gang annunciator
DUCTR Connections
24VDC Power
SD505 - DUCT
Addressable Duct Housing
Detects smoke moving through an HVAC
duct to prevent re-circulation of smoke into
the air handling system
When smoke is detected, the unit
communicates the condition to the FACP
Use SD505-ARM to shut down air handler
Don’t need AUX power
No remote
test
switch!
Duct Detector Install
Address the head before attaching to the base
Connect tubes at back of housing
SD500 - AIM
Addressable Input Module
Supervises non-addressable devices
Conventional pullstations
Waterflow switches,
Other dry contact alarm initiation devices
Mounts in a 4 square electrical box
Now
supports
Class A
wiring!
SD500 - MIM
Mini Input Module
Smaller version of the AIM
Can be mounted in the single gang box to save space
Example – Conventional pullstations
Class B
Only
AIM & MIM Wiring
AIM Class A Wiring
Brand NEW to AIM!
SD500 - ARM
Addressable Relay Module
Two relays on each module
Cannot separate functions of each relay
Electronic latching relay
Even when power from SLC is removed
SLC must be reset to unlatch
ARMs only draws current when it communicates
& switches
SD500 - ARM
Allows you to control a wide variety of normally
open and normally closed applications, including:
Elevator recall
Magnetic locks
Fan operation
Auxiliary notification
SD500 – ARM Wiring
LED flashes only during communications with
FACP
Blinks Green when normal
Blinks Red when active
Rated
2.0A @ 30VDC
.6A @ 120VAC
LED blinks once every
15-20 seconds when
communicating with
the FACP
SD500 - ANM
Addressable Notification Module
Supervised addressable notification device that provides you
with additional notification circuits
SD500 – ANM Wiring
Used as input for conventional power supplies
Supervises, triggers
SD500 - LIM
SLC Isolator Module
Doesn’t take up an address
Mounts in a 4 square box
If short occurs across the SLC loop, it opens the SLC to
prevent the SLC from shutting down
Lights LED when short is detected
SD505 – 6IB
SLC Isolator Base
Combines isolator module with a smoke detector
Isolates both the input and the output of the SLC
SD505 – 6IB
Wiring Without SD500SD500-LIM
Short anywhere across the SLC
FACP communicates = SLC shorted
All devices lose power
Wiring with SD500SD500-LIM
Short across SLC after LIM
Rest of loop keeps operating
Helps you find the short
SD500--LIM Class A
SD500
Class A style 6 designed to minimize loss of
protection during a short
SD500--LIM Class A
SD500
Not protecting the FACP can lead to an SLC short
SD500--LIM Class A
SD500
Protect the FACP with a LIM on BOTH the SLC
input and SLC output!
SD500--LIM Class A Style 7
SD500
2 LIMs for each SLC device & 2 for the FACP
Used in Government buildings
Up to 256 Isolators
SD505--6IB
SD505
Works like style 7 without all the modules
Smoke is truly isolated from the base
SD505--6IB
SD505
Smoke is truly isolated from the base
SD500 – SDM
2 Wire Conventional Smoke Module
Allows you to assign an address to a loop of conventional
smoke detectors
Can retrofit an existing building that utilize existing
conventional devices
Can put detectors and other devices on the same circuit
SD500 – SDM Wiring
Refer to install
sheet part #151193
for compatible 2-wire
smoke detectors
SD500 – PS
Addressable Pullstation
Has MIM built-in
Single action
SD500 – PSDA
A SD500 – PS can be upgraded to dual action by
using a SD500 – LK upgrade kit
SD500 – PS Wiring
SD500 – LED
LED driver
Can drive up to 80 LEDs
Up to 40 SD500-LED modules per SLC loop
100 per system
Must supply aux power
LED driver will supervise
Sub-address for each output
SD500 – LED Wiring
To SLC
Needs 24VDC
constant power
Supervised by
SLC address
SD500 – LED Wiring
Eight 12-pin connectors used to connect LEDs
All LED outputs use a common pin on each connector for
LED power
Current is limited through each output so no series resistor
is required
Dipswitch Addressing
We only use 7 switches
1=1
2=2
3=4
4=8
5 = 16
6 = 32
7 = 64
8 = 128 (leave off)
MUST set with no power!
Add together
to get
address
Addressing Heats and Smokes
Use the hand-held programmer
SD505-TCHB100
Or use the FACP as a programmer to program the
address of each head
1 for Read address
2 for write address
3 for Seq Programming
Addressing Heats and Smokes Using
Write
Programmer built into every FACP
Connect detector base to terminals 45 & 46
Attach a smoke detector
Enter Installer code 5820
Press 2 for Point Functions
Press 3 for SLC Addressing
Press arrow UP for YES
Press “Silence” to silence trouble beep
Press 2 for Write
Enter new address and hit ENTER
Left arrow to back out
Addressing Heats and Smokes
Addressing Heats and
Smokes Using Write
Connect detector base to terminals 45 & 46
Attach a smoke detector
Enter Installer code 5820
Press 2 for Point Functions
Press 3 for SLC Addressing
Press arrow UP for YES
Press “Silence” to silence trouble beep
Press 2 for Write
Enter new address and hit ENTER
Left arrow to back out
Addressing Heats and Smokes Using
Sequential
Connect detector base to terminals 45 & 46
Attach a smoke detector
Enter Installer code 5820
Press 2 for Point Functions
Press 3 for SLC Addressing
Press arrow UP for YES
Press “Silence” to silence trouble beep
Press 3 for Sequential
Enter first address and attach head
Adds next address to each new head attached
Left arrow to back out
Objectives
At the end of this section you will be able to:
Explain the functions of each SLC device
Explain the unique wiring considerations for each SLC device
Describe how to calculate wiring distances for an SLC loop
Demonstrate how to address SLC devices from the FACP
Signaling Line
Circuit - Hochiki
Module 5B