EDWARDS® Catalog u EST3 Life Safety Platform
LIFE SAFETY
&
INCIDENT MANAGEMENT
Hinged Bracket
Filler plate
(ordered separately)
Security/
Annunciation
Control Module
Module
Model: 3-SAC
Overview
The 3-SAC Security/Annunciation Control Module is a key component in the true integration of security functions into the EST3
multiplexed life safety system. The 3-SAC is the demarcation
point between fire and security functions. For jurisdictions requiring independent wiring of fire and security devices, the 3-SAC
offers two independent circuits. Where fire and security devices
are permitted to be connected to the same circuit, both circuits
can support both fire and security functions. All security devices
that connect to a 3-SAC are designed and tested to strict fire
alarm standards. For example, to enhance reliability, the 3-SAC
can be wired in a Class A (Style 6) configuration, thus delivering
an additional level of system survivability over traditional systems
employing Class B wiring.
The 3-SAC can be used in combination with the Modcom Modem
Communicator. The Modcom’s dialer (DACT) function is used to
transmit alarms to one or more central monitoring stations and/
or paging terminals. Please refer to the Modcom catalog sheet for
additional details
Standard Features
• Listed for fire and security
• Two supervised RS-485 device circuits
• Class A configuration supports 30 keypad/displays
• Class B configuration supports 62 keypad-displays
• 4,000 ft (1,220 m) max circuit length
• EST3 local rail module
• Supports control/display modules
• Supervised by the network controller
• 100% digital communication
• Removable field wiring terminal block
Total integration of the EST3 system assures that processing of fire
alarm signals always receives the highest priority over routine signal
processing. Power for the 3-SAC comes from the same highly reliable power supply/battery combination used to power the fire
alarm components. Any Control Display module will mount in front
of the 3‑SAC, allowing great flexibility of the system user interface
layout.
Page 1 of 4
E85010-0109
D ATA S H E E T
Not to be used for installation purposes. Issue 1
Class A wiring
3-SAC Module
TB2
Application
A
B
SAC bus SAC bus
+
Engineering
Specification
+
The 3-SAC is used to connect Keypad Displays to the EST3 net- 4
work. This permits the network to perform functions network-wide
in response
fire and/or security events.
Class Atowiring
1
The security
and access control module shall be capable of
supporting 62 devices on two
B circuits or where added reli1 class
2
3
ability is required, 30 devices on a single Class A circuit. It must be
LCD
possible to wire Class A in Keypad
Style 6 configuration. The module shall
be capable of supporting both fire and security devices on the
same circuit. The module shall permit total integration of the fire,
security and access control functions by the system. The module
shall be <UL> <ULC> listed for both fire and security applications.
3-SAC Module
TB2
A
B
SAC bus SAC bus
+
+
4
1
1
3
Typical Wiring
2
LCD
Keypad
Class A wiring
Class A wiring
A
B
SAC bus SAC bus
4
4
1
1
3-SAC Module
3
A
B
SAC bus SAC bus 3
+
1
3
3
1
3
1
3-SAC Module
1
TB2
A
B
3-SAC
Module
TB2 SACAbus SACBbus
+
+
SAC bus SAC bus
+
+
2
LCD
Keypad
1
1
1
120 terminating
Resistor
2
LCD
Keypad
2
LCD
Keypad
Class B wiring
Class B wiring
2
LCD
Keypad
1 2
1 2
LCD
LCD
Keypad
Keypad
TB2
4
1
3
SAC bus SAC bus
+
+
Class B wiring
+
4
SACBbus
TB2 SACAbus
+
+
4
4
3-SAC Module
TB2
+
3-SAC Module
TB2
A
B
3-SAC
Module
+
Class B wiring
120 terminating
Resistor
120 terminating
Notes:
Resistor
1 Refer to device installation sheets for proper wiring connections.
2
Maximum of 30 devices (Class A), 62 devices (31 per loop) (Class B).
3 Security Access Control Bus
120 terminating
4. Up to 4,000 ft. (1,220 m). All wiring is power limited and supervised.
Resistor
5. KPDISP requires 24Vdc for power.
6 Continuity of the minus from the control panel's power supply must be
3 Notes:
maintained with all devices communicating with the panel's 3-SAC.
1 2
3
1 Refer to device installation
sheets for proper wiring connections.
1 2
LCD (Class A), 62 devices
120(31terminating
per loop) (Class B).
2 Maximum of 30 devices
LCD
120
terminating
Keypad
Resistor
Control Bus
3 Security AccessKeypad
Resistor
4. Up to 4,000 ft. (1,220 m). All wiring is power limited and supervised.
1 2
5. KPDISP requires124Vdc
2 for power.
Class B 120
wiring
showing power cabling
LCD
terminating
6 Continuity of the LCD
minus from the control panel's
power
supply must be
120
terminating
Keypad
Resistor
maintained withKeypad
all devices communicating
with
the panel's 3-SAC.
Control
Panel
Resistor
3
3
3-SAC Module
A
B
Power
SAC bus SAC bus
Notes:
+
+
supply
Notes:
1 Refer to device installation sheets for24proper
Vdc wiring connections.
1 Refer to device installation sheets for +proper
wiring connections.
2 Maximum of 30 devices (Class A), 62 devices (31 per loop) (Class B). 1 2
2 Maximum of 30 devices (Class A), 62 devices (31 per loop) (Class B).
Access
Control Bus
3 Security
KPDISP
Class B wiring showing
power
cabling
3
3 Security Access Control Bus
4. Up to 4,000 ft. (1,220 m). All wiring is power limited and supervised. 24 Vdc
Control Panel
4. Up to 4,000 ft. (1,220 m). All wiring is power limited and supervised.
5. KPDISP requires 24Vdc for power.
6
3-SAC Module
5. KPDISP requires 24Vdc for power.
Continuity
of
the
minus
from
the
control
panel's
power supply must be
A
B 6
Power
SAC bus SAC bus
Continuity
the all
minus
fromcommunicating
the control panel's
supply
must be
maintainedofwith
devices
with power
the panel's
3-SAC.
+
+6
supply
maintained with all devices communicating with the panel's 3-SAC.
24 Vdc
+
-
1
2
KPDISP
24 Vdc
3
6
Class B wiring
showing power cabling
Class B wiring showing power cabling
Control Panel
Control Panel
3-SAC Module
A
B
3-SAC
Module
SAC bus SAC bus
A+
B+
SAC bus SAC bus
Power
supply
Power
24
Vdc
supply
+ Vdc
24
+ -
Page 2 of 4
+
+
3
3
6
6
1
1
2
2
KPDISP
24 Vdc
KPDISP
24 Vdc
E85010-0109
D ATA S H E E T
Not to be used for installation purposes. Issue 1
Specifications
Agency Listings
Circuit Configuration
Circuit Capacity
Input Current
Wire Size
Wire Type
Maximum Line Resistance
Maximum Capacitance
Operating Environment
Mounting
Ordering Information
UL, ULC. See Note 1.
Class A or Class B
30 devices on one Class A circuit, 62
devices on two circuits wired Class B
40 mA under all conditions
22 AWG to 14 AWG (0.25mm² to 1.5mm²)
Unshielded, twisted pair, > 6 twists per
foot
52 Ohms
0.1 µF
0°C to 49° Complete (32°F to 120°F)
@ 85%RH, Non-condensing
One Local Rail Space
Catalog
Number
3-SAC
3-FP
Description
Security/Access Control Module
Filler Plate, order separately when
no LED or LED/Switch module
installed.
Shipping Wt.
lb (kg)
0.5 (.23)
0.1 (0.05)
Note 1:
The EST3 is modularly listed under the following standards:
UL 864 categories: UOJZ, UOXX, UUKL and SYZV, UL 294 category ALVY, UL
609 category AOTX, UL 636 category ANET, UL 1076 category APOU, UL 365
category APAW, UL 1610 category AMCX, UL 1635 category AMCX ULC-S527,
ULC-S301, ULC-S302, ULC-S303, ULC-S306, ULC/ORD-C1076 and ULC/
ORD-C693.
Please refer to EST3 Installation and Service Manual for complete system
requirements.
Page 3 of 4
E85010-0109
D ATA S H E E T
Not to be used for installation purposes. Issue 1
L I F E S A F E TY & I NCI DE NT M AN AGEM EN T
Contact us...
Email:
Web:
edwards.fire@fs.utc.com
edwards-fire.com
1016 Corporate Park Drive
Mebane, NC 27302
EDWARDS is a registered mark in the
United States and other countries.
© 2018 United Technologies Corporation.
All rights reserved.
E85010-0109
D ATA S H E E T
Not to be used for installation purposes. Issue 1
12-18-17
Page 4 of 4
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