ESL 1500 Series Fire Alarm Control Panel Install & Operations Manual Aug 2001

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E S L
Installation and Operations Manual

ESL 1500 Series
Fire Alarm Control Panel

Table of Contents
Precautions and Warnings ............................................................. 1
System Overview .............................................................................. 1
Panel Listing .............................................................................................................

1

Panel Description .............................................................................. 2
Ordering Information .................................................................................................. 2

Installing the Panel ............................................................................ 3
Optional Zone Expansion and Communicator Module Installation ...........................

4

Panel Controls .................................................................................... 4
Control Switches .......................................................................................................
Normal Condition .......................................................................................................
Alarm Condition .........................................................................................................
Alarm Verification .......................................................................................................
Zone Disconnect ........................................................................................................
System Reset .............................................................................................................
Trouble Condition .......................................................................................................
Supervisory Functions ................................................................................................
Remote Test (Drill) .....................................................................................................

4
5
5
5
5
6
6
6
6

Field Wiring ....................................................................................... 7
Installation Recommendations/Precautions ..............................................................
Field Wiring Checkout Procedures ...........................................................................
Alarm Initiating Devices ............................................................................................
Alarm Indicating Devices ..........................................................................................
Connecting Supplementary Contacts .......................................................................
Connecting Optional Remote Notification Devices ..................................................

9
10
10
10
10
12

Programming .................................................................................... 12
BMB Programming ..................................................................................................
ZEM Programming ..................................................................................................

12
13

Testing and System Checkout ......................................................... 13
Maintenance ............................................................................................................

13

Troubleshooting ............................................................................... 14
Specifications ................................................................................... 15
Appendix A, Compatible Equipment .............................................. 16
Appendix B, Standby Battery Power Worksheet .......................... 18
Appendix C, 1500 Series Operating Instructions ......................... 19

Table of Figures and Tables
Figures
Figure 1. Internal Panel Configuration........................................................................
Figure 2. ZEM or LEM Installation .............................................................................
Figure 3. Window Label Installation ...........................................................................
Figure 4. Template Diagram ......................................................................................
Figure 5. Class A System Wiring Diagram ................................................................
Figure 6. Class B System Wiring Diagram ................................................................
Figure 7. Power Limited Routing ...............................................................................
Figure 8. Zone Relay Module (ZRM) Wiring Diagram ...............................................

3
4
4
6
7
8
9
11

Figure 9. Zone Relay Module (ZRM) Placement ........................................................ 11
Figure 10. Terminal Connections ................................................................................ 11
Figure 11. Local Energy Module (LEM) Wiring Diagram..............................................12
Figure 12. BMB Default Settings................................................................................. 12
Figure 13. ZEM Default Settings .................................................................................13
Figure 14. ZEM Programming Switches Location...................................................... 13

Tables
Table 1. Ordering Information...................................................................................... 2
Table 2. Status Indicators............................................................................................ 5
Table 3. Wire Resistance ........ .................................................................................. 9
Table 4. Alarm Indicating Circuit Wire Size................................................................. 9
Table 5. BMB Programming Features .........................................................................12
Table 6. ZEM Programming Features .........................................................................13
Table 7. Troubleshooting Guide .................................................................................. 14
Table 8. Compatible Indicating Devices..................................................................... 16
Table 9. Two-Wire Smoke Detector Compatibility .................................................... 17
Table 10. Four-Wire Smoke Detector Compatibility ................................................... 17

Precautions and Warnings

System Overview

The equipment described in this manual is Listed by Underwriters
Laboratories, Inc. for use in fire alarm signaling systems, only
when installed in accordance with this manual and National Fire
Protection Association’s National Fire Alarm Code (NFPA 72); the
National Electrical Code (NFPA 70); the Life Safety Code (NFPA
101); and the local authority having jurisdiction (AHJ). The
installer must be familiar with and understand all applicable codes
before beginning installation.

The ESL 1500 Series Control Panels are designed to provide
reliable and economical fire alarm control solutions for commercial, industrial, residential, and institutional applications. The 1500
Series consists of three base models, equipped with one (Model
1501), three (1503), or five (1505) zones. The unique modular
design makes it easy and practical to add features such as extra
relays, remote annunciators or added fire zones (up to 5).

To ensure proper operation of this equipment:

•
•
•
•

Do not deviate from any installation instructions
contained in this manual.
Do not assume any installation details not shown in
this manual.
Do not alter any mechanical or electrical features of
the equipment supplied.
Be familiar with the building code, fire prevention
code, and/or other authority having jurisdiction
(AHJ) in the locale of the installation.

It is the responsibility of the installer to ensure that the wiring
and devices installed in the system meet current national
electrical code, NFPA standards, and state and local building
code requirements.

Warning
Under abnormal conditions, AC line voltages may be
present on any terminal. Touching any component could be
hazardous and result in loss of life. A short circuit can
result in arcing that could cause molten metal injuries to
testing personnel.
To minimize this possibility, only qualified technicians
familiar with electrical hazards should perform these
procedures. Safety glasses should be worn by such
personnel, and instruments used for voltage measurement
should be designed for the purpose and should be in good
mechanical and working order.

All models come equipped with a Basic Master Board (BMB),
which provides all common system functions for alarm, fault, and
supervisory monitoring, together with one initiating and two
indicating circuits. Models 1503 and 1505 also include Zone
Expander Modules (ZEM), expanding the systems capability from
three zones up to a maximum of five zones.
One housing is common to all three system configurations. The
cabinet holds all standard and optional modules as well as
necessary standby batteries for either 24 or 60 hour protection.
Combine the versatile 1500 Series with the complete line of
compatible ESL smoke detectors, pull stations, and indicating
devices for a reliable fire control system. See Appendix A for a list
of UL Listed compatible devices.

Panel Listings
All 1500 Series systems function in accordance with the National
Fire Alarm Code (NFPA 72) for the following types of systems:
Control Station Signaling Systems
Local
Auxiliary
Types of Signaling Service
Automatic Fire Alarm
Manual Fire Alarm
Waterflow Alarm
Supervisory Fire Alarm (NFPA 72 local only)
Elevator Recall
The 1500 Series is currently listed by these organizations:
UL 864

If any application or installation information is not understood, or
is not covered in this manual, please contact:

California State Fire Marshall #7165-0447-121
MEA (New York City) #472-86-SA

Technical Services: 800.648.7424
Sales: 800.547.2556

ESL 1500 Series Fire Alarm Control Panel

1

Panel Description
Standard Features:

•
•
•
•
•
•
•
•
•

Table 1. Ordering Information
Model

Title

Description

1501

Single zone fire panel

1 initiating circuit,
2 indicating circuits

1503

Three zone fire panel

3 initiating circuits,
2 indicating circuits

1505

Five zone fire panel

5 initiating circuits,
2 indicating circuits

1500-BMB

Basic Master Board

1 initiating circuit,
2 indicating circuits

1500-ZEM

Zone Expansion Module

2 initiating circuits,
Class A or B

1500-LEM

Local Energy Module

Connect to Listed
master box

1500-ZRM-5

1500 Zone Relay Module

5 relays

1500-SH

System housing

System housing
with transformer

1500-TK

Flush mount trim ring

Mounting panel
semi-flush with wall

1500-TR

Transformer

Transformer
replacement

1500-2.7

End-of-line resistor

Initiating and
indicating circuits
2.7 Ky 1/2 W

1500-RA-5A

Remote Annunciator

5 alarm zones w/
trouble and
sounder

204-12/24 V

Power supervision unit

EOL power
supervisory unit

405-01

Polarity reversal relay

Single circuit,
24 VDC

Modular design; 1, 3, or 5 zones
Power limited
1.5 Amp. 24 VDC FWR output
All functions DIP switch activated
Built-in walktest and alarm verification
Sprinkler supervisory and waterflow alarm activation
Class A (Style D) or Class B (Style B) initiating wiring
Reliability of surface mount design
Superior lightning protection

Optional Features:

•

Local Energy Module (LEM)

•
•

Zone Relay Module (ZRM) 5 relays

2

Remote Annunciators (RA)

ESL 1500 Series Fire Alarm Control Panel

Installing the Panel
To install the unit, follow these 12 steps, and refer to the proper
sections for more information.
1.

Create System Diagram: Prepare a carefully laid out
drawing of the complete wiring system hookup. Maintain this
drawing as a permanent record of the systemapplication and
include any future modifications.

Note
“As-built” drawings and this manual should be available at all
times to verify agreement between the connected equipment
and the drawings.

10. Check Field Wiring: Check the integrity of all field wiring
following directions defined in the Field Wiring Checkout
Procedures.This check must be performed before connecting
wiring to the system. Be certain all external wiring is correct
(no opens, shorts, or grounds) and is terminated with the
correct end-of-line devices.
11. Connect Field Wiring: Connect each circuit in turn,
following wiring diagrams provided. Do not make all
connections at once. This procedure will let you bring your
system on-line in stages and quickly identify which portion of
your system is not working.

Note
NFPA 72, Chapter 7 - Inspection, Testing, and Maintenance
should serve as the guideline for all system tests.

3.

4.

Mount Cabinet: Mount the cabinet in a clean, dry, vibration
free area, where the temperature range does not exceed 0°
to 49° C (32° to 120° F). Mount only in interior locations.
Allow adequate space for 180 degree door swing and free
access to sides for conduit entry. Locate the top of the cabinet
approximately six feet (1.8m) above the floor, with the hinge
mounting on the left. Mounting holes in the back of the
cabinet are designed so the cabinet can be mounted without
removing any control equipment. Mount the cabinet to the
wall by first installing the top center mounting screw, leaving
enough space so the cabinet can be hooked over the screw
head. Use screws or bolts no smaller than #10 or 3/16 inches
in diameter. For easier access, remove the door by gently
lifting it from the hinges.

12. Test System: Apply power and perform operational tests as
outlined under Testing and System Checkout.

Caution
Read and understand all instructions before beginning
installation. System reliability depends upon proper
installation, testing, and maintenance. Review all national
and local codes before attempting installation. Refer to
National Fire Alarm Code (NFPA 72) for proper location,
mounting, etc. of smoke detectors, heat detectors, and
other alarm initiating devices. Call Technical Support at
800.648.7424 if you have installation questions.

Connect Conduit: Complete all connections to the cabinet
with conduit fittings or bushings. Use the knockouts
provided in the sides of the cabinet.

1

Pull Wire: Pull all system wiring through installed conduit
following the guidelines of Article 760 of the National
Electrical Code (NFPA 70) and/or local codes for fire alarm
systems. Observe power limiting codes when running wire.
See Installation Recommendations/Precautions for more
information.

10

Program Components: Before wiring, examine installation
of all modules, chassis and sub-assemblies to ensure proper
mechanical and electrical connections and programming
switches have been selected. See Programming for options.

9

2

Zone #1 trouble
Supervisory
Low/no AC
Low/no battery
Ground fault
Indicating #1 trouble
Indicating #2 trouble

3

ON

5.

Inspect Equipment: Carefully unpack the system components and inspect for shipping damage. Report any shipping
damage to place of purchase.

6.

7.

Connect AC: Connect line voltage to transformer leads
located under the BMB. Transformer wires are long enough
so you do not need to remove the circuit board.

8.

Connect Batteries: Determine the total system power
requirements by using the Standby Battery Power Worksheet
in Appendix B.

9.

System Check: Make certain the 1500 panel is operating
properly before connecting field wiring by performing a
system check. ESL makes this easy by factory installing endof-line resistors to the proper Class B zone terminals. To test
the panel, make sure all switches are in their normal position
and power the system by connecting AC and then the
batteries. (Note: if new batteries with low terminal voltage are
used, the Low/No Battery LED may activate. The Low
Battery indicator will deactivate after the batteries are fully
charged - no longer than 48 hours.) No fault indications
should be present. If faults are present, see Table 6. Troubleshooting Guide. System check is now complete.

ESL 1500 Series Fire Alarm Control Panel

1 2 3 45 6 7 8

2.

4

5

8

7

6

1. Mounting hole
2. Basic Master Board (BMB)
3. Housing backbox
4. Programming switches
5. Zone Expander Modules (ZEM)
6. Mounting location for Zone Relay Module 1500-ZRM-5
7. Mounting hole (TYP)
8. Battery area
9. Local Energy Master Box Trip Module 1500-LEM
10. 1500-TR Transformer

Figure 1. Internal Panel Confirguration
3

Optional Zone Expansion and
Communicator Module Installation

Panel Controls
Control Switches
System Reset

24 VAC
AC IN

Z1RA– SYSTEM COM NO
+15VDC

CASE Z1B+ Z1A+ Z1A– Z1B– AUX SYS FIRE
24VFWR GND DRILL
GROUND
ZONE 1

NC COM

TROUBLE RELAY

ZONE

NC

NO

B–

ALARM RELAY

B+

1 TROUBLE

SUPERVISORY
INDICATING

LOW/NO AC POWER

1

LOW/ NO BATTERY
GROUND FAULT

SENTROL, INC.

INDICATING

2

SYSTEM

ZONE 1

24 VDC
BATTERY IN

ZEM

NORMAL

NORMAL

RESET

SOUNDER
SILENCE

B+
A+
A–

NORMAL
DISCONNECT

AC
POWER

LEM

A–
B–

INDICATING 2 TROUBLE

WALKTEST
POWER LIMITED

A+

INDICATING 1 TROUBLE

10831 SW
Boulevard
12345
SW Cascade
Leveton Dr.
Tualatin,
9706297223
Portland,OR
Oregon

Resets control unit, provided the alarm condition has been cleared.
Also interrupts power to the alarm initiating circuits of all zones
and to the auxiliary power output. The integral sounder will
activate when the System Reset switch is activated.

SYSTEM
TROUBLE

ZONE
ALARM

1

NOT USED–8
NOT USED–7
NOT USED–6
ZONE 2 SUP.–5
ZONE 1 RA–4
SILENT WALKTEST–3
ZONE 1 WATERFLOW–2
ALARM VERIFICATION–1

Sounder Silence
Activating the switch during a trouble condition will silence the
integral sounder. When all system faults are cleared, a “ringback”
feature will resound the integral sounder to indicate that the switch
is in the silence position. Fault LEDs will remain active until all
faults have been corrected.

ZEM

Zone Disconnect/Walktest
Figure 2. ZEM or LEM Installation

A three position switch provides for normal, test, and disable
functions for each zone. Under standard conditions, no LEDs will
light when the switch is in the “normal” position.

Note
For maintenance use only! Notify your local fire department
and receiving station before operating switch.
Zone Disconnect disables the alarm indicating devices so that
service may be performed without sounding an alarm. When a
zone is disabled, zone and system trouble LEDs will light and the
integral trouble sounder will activate. An alarm received from any
zone that has not been disabled will activate the indicating devices
as normal. The zone disconnect switch is defeated when a zone has
been programmed for waterflow service. See BMB Programming.

1505 window label shown

The window label must
be changed when
expanding zones.

Walktest makes it possible for one service person to functionally
test initiating devices without having to constantly return to reset
the control panel. When activiated, the walktest feature sounds the
indicating devices for approximately two seconds and then resets
the system. Only an alarm from the zone with the walktest
activated will reset the system; all other zones will function
normally. To silence the indicating devices during the walktest
mode, see BMB Programming.

Figure 3. Window Label Installation

4

ESL 1500 Series Fire Alarm Control Panel

Optional Remote Notification Disconnect
Applies to LEM optional module. Disconnects system from remote
sites. When activated, the trip circuit fault LED and system fault
condition will exist and remain until the switch is returned to the
normal position.

Note

When the first alarm is received from an initiating device, the
verification feature inhibits an alarm output for approximately 12
seconds. After this period, power is reapplied to the initiating
circuits. If a second alarm signal is received within 2 minutes, a
system alarm is generated; if not, the system resets and no alarm is
generated. An alarm from a manual station or heat detector,
however, is never delayed more than 15 seconds. To activate
alarm verification, see BMB Programming.

Notify the local fire department and the receiving station
before disconnecting the LEM from the system.

Note
Table 2. Status Indicators
Indicator
AC Power

System
Trouble

Zone Alarm
(by zone)

Normal
On

Off

Off

Color

Description

Green

Indicates main power is
operating from AC power
source. If LED not
activated, service
immediately.

Yellow

Red

Indicates fault or
abnormal condition. May
indicate system is
inoperable; service
immediately.
Indicates when an alarm
condition is detected by
its zone.

Normal Condition
Under normal operating conditions only the green “AC POWER”
LED should be on (no alarm or faults). All control switches must
be in their normal, standby position.

Alarm Condition
An alarm can be initiated by means of a smoke detector, heat
detector, manual alarm station, waterflow alarm device, or other
UL Listed initiating device. The red zone alarm LED will light and
the integral sounder will provide a continuous, steady audible
signal. Both alarm indicating circuits will activate and sound a
general alarm. A set of dry, Form C supplementary common alarm
contacts will transfer and remain latched until the system RESET
switch is operated. When used, the supervised zone alarm output
will energize. If provided, the remote communicator circuit will
activate to summon organized assistance.

When using alarm verification, total alarm delay (alarm
verification + smoke detector power-up time) cannot exceed
60 seconds according to the National Fire Alarm Code (NFPA
72) or 30 seconds for installations governed by the California
State Fire Marshall. Alarm delay includes verification time
(12 seconds) and smoke detector power-up time. Smoke
detector power-up time varies by manufacturer, however,
ESL’s 429, 449, 521, 541, and 700 Series detectors meet both
CSFM and NFPA requirements (ESL detector power-up time
is 15 seconds).
During alarm verification, the Zone LED, Remote Annunciator and the Zone Relay Module (ZRM) may activate briefly
(approximately 12 seconds) during the initial alarm signal.

Zone Disconnect
Note
For maintenance use only! Notify local fire department and
receiving station before operating the switch if the control
panel is monitored, as a “trouble” signal will be transmitted.
When activated prior to an alarm condition, this switch
disconnects the local zone alarm from the auxiliary alarm relay and
alarm indicating circuits. When activated, the red local alarm zone
LED turns on and, if used, the supervised remote annuncitator
LED lights. Only the disconnected zone is affected; alarm signals
from other zones remain active.
When activated after an alarm condition, the auxiliary alarm
relay remains latched and alarm indicating circuits are turned off.
The red local alarm zone LED remains on and, if used, the
supervised remote annunciator remains on. Only the disconnected
zone is affected; alarm signals from other zones remain active.
Additionally, if an initiating device is still in alarm when a zone
disconnect switch is returned to normal, the alarm will again be
transmitted to both the alarm indicating circuits and the integral
sounder.

Alarm Verification
When activated, alarm verification is very effective in reducing
nuisance alarms. Nuisance alarms are reduced by requiring 2
separate alarm signals to activate the system alarm, thereby
verifying the initial alarm.

ESL 1500 Series Fire Alarm Control Panel

5

Z1RA– SYSTEM COM NO
+15VDC

CASE Z1B+ Z1A+ Z1A– Z1B– AUX SYS FIRE
GROUND
24VFWR GND DRILL

24 VAC
AC IN

ZONE

1

NC

COM

TROUBLE RELAY

ZONE

NC

NO

B–

ALARM RELAY

B+

1 TROUBLE

SUPERVISORY

1

LOW/NO BATTERY

B–

INDICATING 1 TROUBLE
INDICATING 2 TROUBLE
NORMAL

WALKTEST

ZONE 1

POWER LIMITED

24 VDC
BATTERY IN

2

A–

DISCONNECT

2

DISCONNECT WALKTEST
Z2B+ Z2A+ Z2A-

A+

NORMAL

NORMAL

AC
POWER

DISCONNECT
TRBL ALARM
TRBL
NORMAL
NORMAL

B+

INDICATING

SYSTEM

ZONE

A–

GROUND FAULT

SENTROL, INC.
12345 SW Leveton Drive
Tualatin, Oregon 97062

COMMUNICATOR

A+

INDICATING

LOW/NO AC POWER

RESET

SOUNDER
SILENCE

SYSTEM
TROUBLE

ZONE

3

ZONE

ALARM

TRBL
NORMAL

DISCONNECT
Z2B- Z2RA- Z3B+ Z3A+ Z3A-

WALKTEST

Z3B- Z3RA-

ZONE
ALARM

4

NOT USED–8
NOT USED–7
NOT USED–6
ZONE 2 SUP.–5
ZONE 1 RA–4
SILENT WALKTEST–3
ZONE 1 WATERFLOW–2
ALARM VERIFICATION–1

1

ZONE

ALARM

TRBL

5
ALARM

NORMAL

DISCONNECT

WALKTEST

Z4B+ Z4A+ Z4A-

TRBL
NORMAL

DISCONNECT
Z4B- Z4RA- Z5B+ Z5A+ Z5A-

WALKTEST

Z5B- Z5RA-

Figure 4. Template Diagram

System Reset

Supervisory Functions

System reset can only be accomplished when all actuated alarm
devices have been restored to their normal, standby condition.

Zone 2 of the control panel can be programmed for supervisory
service. A common supervisory application would include
sprinkler water valve tamper switch monitoring. During a
supervisory alarm, the integral sounder activates a rapidly pulsing
tone and the zone 2 red local alarm LED lights. In addition, the
supervisory LED on the BMB will activate. During supervisory
trouble, the integral sounder activates a rapidly pulsing tone, zone
2 yellow local trouble LED lights and the system trouble relay
contacts transfer.

Note
Operating the system reset switch will return all alarm
initiating circuits and system-powered inititating devices to
their normal standby condition. Mechanical initiating devices
such as most fixed termperature heat detectors and manual
stations must be replaced or manually reset or the system will
alarm again when the reset switch is released.

Trouble Condition
Activation of the fault signal under normal operation indicates a
condition that requires immediate correction. A fault signal
involves illumination of the system trouble LED (yellow) and
individual diagnostic LED’s (yellow) generally associated with the
specific circuit affected. The integral sounder will sound a slow
intermittent signal and a set of dry, Form C contacts will transfer.
Moving the SOUNDER SILENCE switch to the silence position
will silence the audible trouble signal, but will not restore the Form
C contacts. Restoration to normal can only be achieved when all
faults have been corrected and all switches have been returned to
normal position. Trouble reset occurs automatically when this is
accomplished. If the SOUNDER SILENCE switch is off-normal at
the time all faults are clear, the “ringback” feature will alert the
operator.

6

Remote Test (Drill)
A remote test (drill) function is provided for testing the 1500
System. Closing a listed normally-open switch connected to
terminals “SYS GND” and FIRE DRILL” (see Figure 5) will result
in actuating both the alarm indicating circuits and the integral
sounder. The common alarm relay will not operate, nor will an
optional remote notification circuit. Any alarm signaling devices
connected to the indicating circuits will be activated. During the
test/drill, the indicating supervisory circuit will be tested as well,
resulting in the illumination of the indicating circuit fault LED’s
and the system trouble LED. The integral sounder will sound a
slow intermittent signal.

ESL 1500 Series Fire Alarm Control Panel

Field Wiring
Class A System Wiring Diagram

204-12/24V
Power
supervision relay

Zone 1 is shown with 4-wire
detectors, wired in Class A (Style D)
+
+
449C
Bell circuit 1 is shown with Class A
(Style Z) wiring

Local Zone 1 alarm
(Supervised)

Connect to
120 V AC Blk
Wht
60Hz

+
+
-

System 15VDC
System trouble Auxiliary alarm
contacts
contacts

Connector from
transformer

B+ A+

1

A-

B-

6

7

9

8

10 11 12 13 14 15 16

C N/O N/C C N/C N/O
Power ON
(standby condition)

Auxiliary
power(+)

Case
ground

BMB

Zone 1

2.7K EOL
Resistor 1/2W

Fire drill

2.7K EOL
Resistor 1/2W

BMB standoff

System
GND
Optional drill
test switch

2.7K EOL
Resistor 1/2W

B-

17

B+

18

A+

19

A-

20

B-

21

B+

22

A+

23

A-

24

Connector from
24 V DC battery in

Zone 3

Zone 2
1

LEM

2

B+

A+

A-

System
trouble

B-

RA

B+

A+

A-

B-

RA

Zone 1
alarm

Zone 4
B+

A+

A-

ON

AC
power

Zone 5
B-

RA

B+

A+

A-

B-

RA

1 2 3 4 5 6 7 8

449C

+
+
-

+
+
-

8-Not used
7-Not used
6-Not used
5-Zone 2 supervisory
4-Zone 1 remote annunciator
3-Silent walktest
2-Zone 1 waterflow
1-Alarm verification

ZEM
Zone 2 & 3
2.7K EOL
Resistor
1/2W

429C

2.7K EOL
Resistor 1/2W

2.7K EOL
Resistor 1/2W

2.7K EOL
Resistor
1/2W

ZEM
Zone 4 & 5

+
+
-

Pull station

Zone 2 is shown with 2-wire
detectors, wired in Class A (Style D)

429C

+
+
-

Zone 5 is shown with 2-wire heat
detectors and pull stations, wired in
Class A (Style D)

Heat sensor

Figure 5. Class A System Wiring Diagram

ESL 1500 Series Fire Alarm Control Panel

7

Class B System Wiring Diagram

204-12/24V
Power
supervision relay
2.7K EOL
Resistor
1/2W

Zone 1 is shown with 4-wire
detectors, wired in Class B (Style B)
+
+
449C
541C

2.7K EOL
Resistor 1/2W
+
+
-

+
+
Local Zone 1 alarm
(Supervised)

Connect to
120 V AC Blk
Wht
60Hz

+
+
-

System 15VDC
System trouble Auxiliary alarm
contacts
contacts

Connector from
transformer

1

B+

A-

A+

6

B-

7

9

8

10 11 12 13 14 15 16

C N/O N/C C N/C N/O
Power ON
(standby condition)

Auxiliary
power (+)

Case
ground

Zone 1 Fire drill

BMB

BMB standoff

System
GND
Optional drill
test switch

B-

17

B+

18

A+

19

A-

20

B-

21

B+

22

A+

23

A-

24

Connector from
24 V DC battery in

Zone 3

Zone 2
1

LEM

2

B+

A+

System
trouble

A-

B-

RA

B+

A+

A-

B-

RA

Zone 1
alarm

Zone 4
B+

A+

A-

ON

AC
power

Zone 5
B-

RA

B+

A+

A-

B-

RA

2.7K EOL
Resistor 1/2W
1 2 3 4 5 6 7 8

449C
541C

Bell circuit 1 is shown with Class B
(Style Y) wiring

8-Not used
7-Not used
6-Not used
5-Zone 2 supervisory
4-Zone 1 remote annunciator
3-Silent walktest
2-Zone 1 waterflow
1-Alarm verification

ZEM
Zone 2 & 3
2.7K EOL
Resistor 1/2W

429C
521B

2.7K EOL
Resistor 1/2W

ZEM
Zone 4 & 5

+
+
-

Pull station

Zone 2 is shown with
2-wire detectors, wired in
Class B (Style B)
+
429C +
521B -

Zone 5 is shown with
2-wire heat detectors
and pull stations, wired
in Class B (Style B)

2.7K EOL
Resistor 1/2W

Heat sensor
2.7K EOL
Resistor 1/2W

Figure 6. Class B System Wiring Diagram

8

ESL 1500 Series Fire Alarm Control Panel

Installation Recommendations/
Precautions

Many audible/visual signaling appliances cannot tolerate more
than a 20 percent voltage drop from the specified device voltages.
See Table 4 to determine maximum distance for wire gauge used.

Note
The 1500 System is capable of power limited operation per
NEC Article 760, Section C. All circuits are power limited
except: CASE GND, TRB COM, TRB NO, ALM COM,
ALM NC, and LEM terminals. Non-power limited circuits
must be separated from power limited circuits by a minimum
of 1/4 inches (0.6cm). See Figure 7 for one method of routing
power limited wiring.

Table 4. Alarm Indicating Circuit Wire Size
Total device
load (Amps)

3

2
2

3

5

4

6

7

8

9

10

11 12

13 14

18
19

ESL 1500 Series Fire
Alarm Control Panel

4

20
21
22
23
24

1

2

1

2

3

4

5

6

7

8

9 10

1

2

3

4

5

6

7

8

5

9 10

7

6

1. Case ground
2. Power limited Zone 1 and Remote Annunciator
3. Non-power limited trouble and alarm contacts
4. Power limited bell circuits
5. Power limited Zone 2 through 5 and Remote Annunciator
6. Housing backbox
7. Battery area
8. Non-power limited LEM
9. Non-power limited 28 VAC

Figure 7. Power Limited Routing

Caution
Do not route LEM field wires in close proximity of high
voltage wiring. LEM filed wiring must not exceed 3280
feet (1000m).
Verify wire sizes are adequate for all indicating and initiating
circuits. The maximum allowable initiating zone resistance is 100
Ohms. (Exception: When ESL 2-wire smoke detectors with
integral sounders are used, maximum initating zone resistance is
50 Ohms. See Table 3.)
Table 3. Wire Resistance
Gauge

Ohms per 1000 ft. @ 20°C of
single conductor copper wire

12

1.6

14

2.5

16

4.0

18

6.4

20

10.0

22

16.0

ESL 1500 Series Fire Alarm Control Panel

1500

2500

4000

6200

.500

300

500

800

1290

1.000

150

250

400

620

17

15 16

9

8

.100

(Maximum voltage drop allowable: 2 VDC)

1
1

Max. ft. of paired wire from B+ to
EOL resistor
18AWG 16AWG 14AWG 12AWG

Incoming AC voltage should be stable at a nominal 120 volts.
This is especially important in new construction where incoming
power may be high or unstable with temporary connections often
causing large, inductive voltage spikes.
Ground the system properly. The AC imput, power supply/battery
charger should use an isolated ground, not a conduit ground. Do
not connect this system to a conduit or green wire circuit that also
is used to power resistance heating, motors, fans, air conditioning
equipment, or florescent lighting circuits since leakage currents
into the ground return could damage system components. A
separate earth ground or cold water pipe with properly bypassed
water meter should be used. Provide a separate earth ground, if
water mains are non-conductive.
Run signal wires separately. Most supervised circuits use voltage
or current sensing circuits which are very sensitive to induced
voltages on the sensor wiring. Therefore, under no circumstances
run AC power, speaker, public address, intercom, or switch control
wiring with inductive loads in the same conduit or in the immediate vicinity of the control wiring.
Do not overlook adequate lightning protection. Lightning
damage commonly occurs from three sources:
1.

Through alarm loop wiring

2.

Through AC power inputs

3.

Through earth ground or power ground connections

The 1500 System has substantial lightning protection incorporated
in all three areas. However, proper lightning protection for AC
power must be accomplished where the wire enters the building.
Arrestor circuitry and earth grounding should be in accordance
with Article 250 of the National Electrical Code.
There is no known protective device available which is capable of
protecting equipment from damage caused by “direct hit” strikes of
lightning due to the extremely high energy released (10 million to
100 million volts @ 10,000 to 30,000 amps). However, line surges
from indirect strikes can be minimized.
Additional protection is suggested in areas subject to aboveaverage lightning activity or induced voltage spikes and fluctuations due to power line load switching.

9

Field Wiring Checkout Procedures

Four-Wire Smoke Detectors

•

Four-wire detector power is shared with indicating circuits;
do not exceed total power requirements of 1.5 Amps.

•

Always supervise four-wire detector power with an end-ofline power supervisory device (ESL model 204-12/24V) after
the last unit.

Note
Make sure that AC and battery power are
disconnected before proceeding.
1.

Test all field wiring before connecting any equipment.
A. Insure no unwanted voltages are present on circuit
conductors and ground. They are a hazard and may prevent
proper system operation.

See Figure 5 for Class A (Style D) wiring and Figure 6 for Class B
(Style B) connection to the panel.

B. All wiring except those intentionally and permanently
grounded must be tested for isolation from ground using an
insulation testing device such as a “Megger”.

Sprinkler System Waterflow and Supervisory
Devices

Note
Caution must be exercised when using voltage
generating test instruments such as a “Megger”. Damage
to equipment could result if the equipment is connected
(wired) during wiring tests.
C. All wiring, other than those intentionally connected
together, must be tested for conductor-to-conductor
isolation using an insulation testing device.
2.

3.

4.

With each circuit pair short-circuited at the end of the circuit,
measure circuit resistance with an ohmeter. Record the circuit
resistance of each circuit and store this data with the control
panel. Loop resistance must be less than 100 ohms on
initiating zones.
Perform testing as described previously after any addition,
deletion, or mechanical or electrical damage to the system
has occurred.
A periodic test should be performed in accordance with the
schedules recommended in NFPA 72, Chapter 7, or more
frequently, if required by the authority having jurisdiction.
Whenever possible a 100 percent test should be performed.
When less than a 100 percent test is performed, a record must
be maintained of the devices tested each time, so different
devices are tested in subsequent tests.

Alarm Initiating Devices
This section describes how to field wire initiating devices such as
smoke detectors, pull stations, and heat detectors. Refer to Figure 5
for Class A (Style D) and Figure 6 for Class B (Style B) wiring.

Two-Wire Smoke Detectors, Heat Detectors, and
Manual Pull Stations

•
•
•

Connect only two-wire smoke detectors UL Listed as
compatible to the 1500 Series Fire Control Panel. Refer to the
list of compatible detectors in Appendix A.
Two-wire detectors receive their power direct from the zone
terminals and transmit the alarm signal via the same wires. Be
certain to observe polarity when installing detectors.
All initiating devices must be wired sequentially for proper
supervision with the end-of-line resistor (2.7K Ohm 1/2 W)
installed after the last device. ESL has detectors available with
EOL built in.

Normally open contact type waterflow alarm devices may be
connected, along with conventional manual alarm stations or heat
detectors. All zones to which waterflow alarm devices are
connected may be programmed such that the system alarm
indicating devices cannot be silenced. See Programming.
Supervisory signals for status reporting of waterflow control
valves, supplies, etc. must be connected to a separate zone, and
programmed for supervisory status. Only Zone 2 can be programmed for this feature. See Programming.

Alarm Indicating Devices
Use only polarized UL Listed signaling devices rated for 24 VDC,
see list of devices in Appendix A. See Figure 5 for Class A (Style
Z) wiring and Figure 6 for Class B (Style Y) connection to the
panel.

Note
Maximum indicating current per circuit is 1 Amp; however,
total operating current cannot exceed 1.5 Amps. Choose
the correct wire size for maximum voltage drop of 2 VDC at
the furthest device on the circuit (see Table 3).
Supplementary Alarm and Trouble Contacts are for power
limited applications only.

Connecting Supplementary Contacts
Note
Supplementary Alarm and Trouble Contacts are for power
limited applications only (see Installation Recommendations/
Precautions). When supplementary contacts are connected to
a power limited circuit, these outputs meet power limited
code and do not require separation.

Supplementary Alarm Contacts
Dry, Form C contacts are provided for controlling supplementary
alarm functions from the BMB. Contacts are rated 2A @ 30 VDC
resistive. Terminals are ALM COM, ALM NC, and ALM NO.
Contacts transfer in alarm.

Supplementary Trouble Contacts
Dry, Form C contacts are provided for controlling supplementary
fault functions from the BMB. Contacts are rated 2A @ 30 VDC
resistive. Terminals are TRB COM, TRB NC, and TRB NO. The
trouble relay is normally energized and will activate even if both
AC and battery power are removed.

Optional Zone Relay Module (ZRM)
Additional relays may be added using the optional ZRM-5. Make
electrical connections using Figure 8. After connections are made,
use directions in Installing Optional ZRM and Snap Track to finish
the installation.
10

ESL 1500 Series Fire Alarm Control Panel

TB1

To Z2RA-of ZEM
(Zone 2)

To Z3RA-of ZEM
(Zone 3)

To Z4RA-of ZEM
(Zone 4)

To Z5RA-of ZEM
(Zone 5)

K1

K2

6

Dress wire leads to comply with the requirements of the
National Electrical Code, Article 760, Section C.

D6 D1

D2

1

K3

D3

Zone #1 trouble
Supervisory
Low/no AC
Low/no battery
Ground fault
Indicating #1 trouble
Indicating #2 trouble

10

K4

2

D4

3

ON

COM
COIL
N/O
C
N/C
COIL
N/P
C
N/C
COIL
N/O
C
N/C
COIL
N/O
C
N/C
COIL
N/O
C
N/C

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

Complete electrical connections between the ZRM and the
BMB before mounting it to the snap track. Then snap the
connected DAC and/or ZRM into the snap track with the
terminals toward the front of the cabinet.

K5

1 2 3 4 5 6 7 8

System+15 VDC of BMB
To Z1RA-of BMB
(Zone)

5

4

D5

9
5

Figure 8. Zone Relay Module (ZRM) Wiring Diagram

Installing Optional ZRM and Snap Track
1

Remove the protective tape from the adhesive mounting strip
on the snap track supplied with the unit.

2

Mount the snap track on the lower, right side of the cabinet.
See Figure 9.

3

Using the slots in the snap track as a template, drill two holes
through the cabinet side wall, one near each end of the snap
track, using a #13, #14, #15, or 3/16” diameter drill and
deburr.

4

Install the supplied push rivets from the outside of the
cabinet through both the cabinet side wall and the snap track,
driving the push pins flush with the rivet head. In semi-flush
mounting installations, install the push rivets from the inside
of the cabinet.

8

Case Ground

6

1. Mounting Hole
2. Basic Master Board (BMB)
3. Housing backbox
4. Programming switches
5. Zone Expander Modules (ZEM)
6. Mounting location for Zone Relay Module 1500-ZRM-5
7. Mounting Hole (TYP)
8. Battery area
9. Local Energy Master Box Trip Module 1500-LEM
10. 1500-TR Transformer

Figure 9. Zone Relay Module (ZRM) Placement

TB2

TB1

7

TB3
ALM NO

Tip

ALM NC

SYS-

TRB NC
ESL 1500 BMB

TRB NO
TRB COM
Trouble input
Trouble input

RA+15
Z1RAZ2RA-

Z3RA-

Z4RA

Z5RA-

Communicator

Zone 1 input
Zone 2 input
Zone 3 input
Zone 4 input
Zone 5 input
+ 15 VDC

1500 RA5A

Figure 10. Terminal Connections
ESL 1500 Series Fire Alarm Control Panel

11

Connecting Optional Remote Notification
Devices

Programming

1500-RA-5A

BMB Programming
All programming selections are controlled by switches located in
the lower right corner of the BMB. Table 5 shows default (factory)
prgramming along with a description of each feature.

Note
When using remote annunciators other than the ESL
1500-RA-5A, be sure all circuits have a series resistance of at
least 1K ohm. Maximum current should be 15mA per zone.
The control unit can properly power one remote annunciator.
When a remote annunciator is used, both the BMB and ZEM must
be programmed to provide supervision. See Programming. The
remote annunciator circuit is supervised as long as no other
devices are connected to the same terminals; otherwise, the devices
will not be supervised. See Figure 10 for the wiring diagram.

Table 5. BMB Programming Features
Switch Factory Feature
#
Position

Description

8,7,6

off

not used

not used

5

off

zone 2 supervisory Disables fire alarm signal
and provides distinctive
audible and visual
supervisory signals.
Must also program
ZEM zone 2 switches 3, 4,
5, & 6.
See ZEM Progamming.

4

off

zone 1 remote
annunciator

Provides supervised
connection to remote alarm
indicator.

3

off

silent walk test

Silences indicating circuits
1 & 2 during walk test
mode. See Zone
Disconnect/Walktest.

2

off

zone 1 waterflow*

Disables alarm disconnect
switch. Signals cannot be
silenced.

1

off

alarm verification

Two consecutive alarm
input signals required for
alarm output.
See Alarm Verification.

1500-LEM
The Local Energy Module (LEM) trip circuit is designed to
interface to a Listed Master Box with a local energy trip mechanism. This optional module provides a supervised trip circuit from
the 1500 system that activates the Master Box upon a system
alarm. Make connections as detailed in Figure 11.
For systems which include remote annunciation 1500-RA-5A, use
Figure 10. Remove all power from the system before beginning
procedure.

1

2

TB1 (opposite side)
Local Energy Master box
trip module (LEM)

+

K2

Master box trip coil
14.6 Ohms, 24 VDC
0.26A min. 0.35A max.

- 24 V alarm output

Max. line resistance 10 Ohms
R9

City fire alarm ckt.

DS1 (trouble)
Disconnect

Normal

* Do not program zone for waterflow in conjuction with walktest
because the communicator or optional LEM module may transmit
an alarm condition. In addition, the sytem alarm relay will be
activiated.

ON

Figure 11. Local Energy Module (LEM) Wiring Diagram

1 2 3 4 5 6 7 8

P5

I

8-Not used
7-Not used
6-Not used
5-Zone 2 Supervisory
4-Zone 1 Remote Annunciator
3-Silent Walktest
2-Zone 1 Waterflow
1-Alarm Verification

Figure 12. BMB Default Settings

12

ESL 1500 Series Fire Alarm Control Panel

ZEM Programming
All programming selections are controlled by switches located in
the front right center of the ZEM. Table 6 shows default (factory)
programming along with a description of each feature.

Table 6. ZEM Programming Features
Switch Factory Feature
#
Position

Description

8

off

zones 3 & 5
waterflow*

Alarm disconnect switch
enabled. Signals can be
silenced.

7

off

zone 2 & 4
waterflow*

Alarm disconnect switch
enabled. Signals can be
silenced.

6

off

zone 2
supervisory

Fire alarm signal enabled.
Yellow supervisory LED on
1500-BMB is diabled. See
Supervisory Functions.

5

off

zone 2
supervisory

Fire alarm signal enabled.
Yellow supervisory LED on
1500-BMB is disabled. See
Supervisory Functions.

4

on

zone 2
supervisory

Fire alarm signal enabled.
Yellow supervisory LED on
1500-BMB is disabled. See
Supervisory Functions.

3

on

zone 2
supervisory

Fire alarm signal enabled.
Yellow supervisory LED on
1500-BMB is disabled. See
Supervisory Functions.

2

on

zone 3 & 5 Remote Connection to remote
Annunciator
indicator not supervised.

1

on

zone 2 & 4 Remote Connection to remote
Annunciator
indicator not supervised.

Following installation and programming of the unit, a complete
test of the entire system must be conducted to assure proper
operation. NFPA 72, National Fire Alarm Code should serve as the
guide. Follow the recommended procedures, restoring all switches
and wiring to normal before proceeding to the next step.
Notify all building personnel and the fire department and
monitoring facilities before and after system testing.
After testing all systems and restoring the panel to its normal
operating condition, remove, and mount the 1500 Series Operating
Instructions, Appendix C, in a visible position near the control
unit. In a household fire warning system, test weekly. Disconnect
the AC power source during testing. If after testing low battery
conditions exists, replace the batteries.

Maintenance
Batteries
The 1500 Series control unit uses two sealed lead-acid batteries as
the secondary power source. The batteries must be replaced if the
Low Battery LED remains on for more than 48 hours (meaning
one or more of the battery cells are dead or the batteries will not
hold a charge). If the batteries are dead, replace with batteries of
the same size and electrical rating, with a maximum size of 12V, 12
Amp hours and dimensions of 4” x 4” x 6” (10cm x 10cm x 15cm).

Note
When replacing batteries, always replace both batteries, even
if only one appears dead. The typical battery life is 3 to 5
years, depending on usage. See the manufacturer’s specifications for the particular battery used.
The battery charging ciruit drops out if the charge falls below
15 VDC at batteries.

Fuses
The fuse located in the lower left corner of the BMB is provided
for overcurrent protection. The fuse can be tested with an ohmeter
or visually inspected. If the fuse is blown, replace with a type 3AG,
1 1/4” (3cm) x 1/4” (0.6cm), 6 Amp Fast Blow fuse.

8-Zones 3 and 5 Waterflow
7-Zones 2 and 4 Waterflow
6-Zone 2 Supervisory
5-Zone 2 Supervisory
4-Zone 2 Supervisory
3-Zone 2 Supervisory
2-Zones 3 and 5 Remote Annunciator
1-Zones 2 and 4 Remote Annunciator

1 2 3 4 5 6 7 8

ON

* Do not program zones for waterflow in conjunction with walktest
because the communicator or optional LEM module may transmit
an alarm condition. In addition, the sytem alarm relay will be
activiated.

Testing and System Checkout

Figure 13. ZEM Default Settings

1

2

3
1. Terminal Block
2. 7-Pin Header
3. DIP Switches

Figure 14. ZEM Programming Switches Location
ESL 1500 Series Fire Alarm Control Panel

13

Troubleshooting
Table 6 provides a quick reference troubleshooting guide for the system. This guide will aide in diagnosing and locating most system
faults quickly and efficiently. If you cannot resolve the fault with the assistance of this guide, call Technical Services at 800.648.7424.
Table 6. Troubleshooting Guide
Trouble indicators

Zone 1-5 trouble LED
System trouble LED
Trouble sounder slow
intermittent

Possible cause

Corrective action

End-of-line resistor value incorrect or missing
Loss of power to power supervision relay
Polarity reversal relay wired incorrectly
Loose connection or broken wire
Disconnect/Walktest switch not in normal position
Faulty waterflow switch
Initiating device missing from circuit

Meter circuit to verify proper resistance
Meter voltage on circuit
Check circuit diagram to confirm wiring
Check for opens in circuit
Put Disconnect/Walktest switch in normal position
Repair or replace waterflow switch
Check for any devices that may have been removed from the
initiating circuit
Make sure polarity is observed completely through circuit
Make sure wires are connected to “Class B” terminals
Check UL compatibility listing to verify the detector is listed for
use with the panel
Check for burn marks or other signs of overcurrent damage.
Return to factory for service. Replace board if traces are damaged.

“Class A” wires crossed in circuit
“Class B” wires connected to wrong terminals
Incompatible two wire detector
Overcurrent or lightning damage

Supervisory trouble LED
Rapid trouble beep
Zone 2 alarm LED
Remote annunciator zone 2

Zone 2 supervisory device tripped

Check initiating device on zone 2

System trouble LED
Zone 2 trouble LED
Rapid trouble beep

Open in zone 2 circuit

Check zone 2 for broken wires or opens in circuit

Disconnect/Walktest switch not in normal position

Put Disconnect/Walktest switch in normal position

Loss of AC (line voltage)
Low AC power
Less than 94 VAC at transformer primary-no load
Less than 102 VAC with maximum load
Less than 22 VAC at transformer secondary-no load
Damaged transformer or loose connection

If line voltage is too low, upgrade or move to new circuit
If secondary shows less than 22 VAC replace transformer

Battery low
Less than 24 VDC
Battery missing or less than 20 VDC
Blown fuse

Replace batteries

Low/No AC power
System trouble LED
Trouble sounder slow
intermittent

Low/No battery LED
System trouble LED
Trouble sounder slow
intermittent

Open in battery harness

Ground fault LED
System trouble LED
Trouble sounder slow
intermittent

Indicating 1-2 trouble LED
System trouble LED

14

Replace batteries
If fuse is blown, determine why fuse was blown, correct problem,
and replace fuse
If there is an open or break in the battery harness, replace it

Ground on any circuit, other than alarm or trouble
contacts
Ground in transformer

Remove one wire at a time until ground fault LED and system
trouble LED goes out. Repair circuit causing fault condition.
Remove AC input from board, if ground fault LED goes out,
there is a ground in the transformer-replace transformer

End-of-line reistor value incorrect or missing
Polarity reversed in circuit
Loose connection or broken wire
Indicating device missing from circuit

Meter circuit to verify proper resistance
Check circuit diagram to confirm wiring and polaity
Check for opens in circuit
Check for any devices that may have been removed from the
indicating circuit
Make sure polarity is observed completely through circuit
Make sure wires are connected to style “Y” terminals
Check for burn marks or other signs of overcurrent damage.
Return to factory for service. Replace board if traces are damaged.

Style “Z” wires crossed in circuit
Style “Y” wire connected to wrong terminals
Overcurrent or lightning damage

System trouble LED
Trouble sounder slow
intermittent
(with no other indicators)

Check for loose or broken connections

Bad ZEM connection
ZEM malfunction
BMB malfunction

Check connector pins where ZEM connects to the BMB
Check for signs of damage to the BMB or ZEM
Return to factory for service or replace boards.
ESL 1500 Series Fire Alarm Control Panel

Specifications
General
Operating temperature............................ 0° to 49°C (32° to 120°F)

Sounder output
Alarm......................................................................Constant output
Fault ....................................................... -0.25 sec. on; 2.5 sec. off
Supervisory ........................................... -0.25 sec. on; 0.25 sec. off

Housing
Type...............................Steel with hinged/removable, locking door
Size.........................................................14.0 in. x 14.0 in. x 4.5 in.
............................................................(35.6cm x 35.6cm x 11.4cm)

Remote indicator
Voltage .............................................................................. 12 VDC
Current ........................................................................ 15 mA max.

Finish.....................................................Red, sand textured, enamel
Weight....................................................... 15 lbs. max. w/o battery

1500-ZEM - Zone Expander Module
Initiating circuits

1500-BMB- Basic Master Board
Power
Input power................................................120 VAC, 60Hz, 56 V A
Standby power.................................................................... 24 VDC
Auxiliary power output........................... 24 VDC FWR, 1.0 A max
...............................................................(32.1 VDC max. - no load)
Note
Auxiliary power output supply is shared with power for
indicating circuit. Consider total requirements.
(I aux + I IND#1 + I IND#2 = 1.5 A)
Optional standby battery...................................................... 24 Volt
Battery charger rate.................................................... 700 mA max.

Number of circuits ................................................................... Two
Type ....................................... Class A or B, latched (Style B or D)
End-of-line.................................................... 2.7 K Ohms, 1/2 Watt
Loop powered device current............................................... 2.0 mA
Alarm current ....................................................................... 15 mA
Maximum current ................................................................ 60 mA
Maximum voltage .............................................................. 17 Volts
Normal circuit voltage .................................................... 14.7 Volts
Minimum voltage ........................................................... 13.5 Volts
Maximum ripple voltage .................................... 500 Millivolts AC
Maximum line resistance ..... 100 Ohms (Compatibility Ident. C01)
.............................................50 Ohms (Compatibility Ident. C01A)

Battery charge voltage..................................................... 29 V max.
Remote Indicator
Alarm initiating circuits
Number of circuits.............................................. One - model 1501

Voltage .............................................................................. 12 VDC
Current ........................................................................ 15 mA max.

......................................................................... Three - model 1503
........................................................................... Five - model 1505
Type....................................... Class A or B, Latched (Style B or D)
End-of-line.................................................... 2.7 K Ohms, 1/2 Watt
Loop powered device current............................................... 2.0 mA
Alarm current........................................................................ 15 mA
Maximum current................................................................. 60 mA
Maximum voltage............................................................... 17 Volts
Normal circuit voltage..................................................... 14.7 Volts

1500-LEM - Local Energy Module
Output characteristics
Standby ................................................................ 2 VDC (no load)
Alarm ....................................................................... 24 VDC FWR
Trouble ................................................................................ 0 VDC
Alarm current ............................................................ 320 mA max.
Standby current ...................................................................... 1 mA

Minimum voltage............................................................ 13.5 Volts
Maximum ripple voltage..................................... 500 Millivolts AC

1500-ZRM-5 - Zone Relay Module

Maximum line resistance ..... 100 Ohms (Compatibility Ident. C01)

Output characteristics

.............................................50 Ohms (Compatibility, Ident. C01A)

Voltage .............................................................................. 12 VDC

Alarm indicating circuits
Number of circuits ........................ Two Class A or B (Style Y or Z)
Maximum current per circuit............................................ 1.0 Amps

Standby current ..................................................... 0 mA per circuit
Alarm current ...................................................... 15 mA per circuit
Contact ratings ................................................. 3 A @ 30 VAC/DC

Maximum total current .................................................... 1.5 Amps
Output voltage ........................................................ 24 VDC, FWR

1500-RA-5A - Remote Annunciator

End-of-line ................................................... 2.7 K Ohms, 1/2 Watt

Output Characteristics

Supplementary alarm/trouble contacts
System trouble ...................................... 2.0 A @ 30 VDC resistive
System alarm ........................................ 2.0 A @ 30 VDC resistive

Number of zones ................................................ 5 alarm, 1 trouble
Voltage .............................................................................. 12 VDC
Standby current ..................................................... 0 mA per circuit
Trouble current .................................................................... 50 mA
Alarm current ...................................................... 15 mA per circuit

ESL 1500 Series Fire Alarm Control Panel

15

Appendix A
Compatible Equipment
The equipment listed here is compatible with the ESL 1500 Series
Fire Control Panel. Use ONLY UL Listed compatible equipment
with the 1500 Series to assure proper operation. Should you
have any questions about compatibility, call technical services at
800.648.7422.

Table 8. Compatible Indicating Devices
Manufacturer

Part Number

Amseco

SLB24-75C

Amseco

SLB24G-75C

Amseco

SMS1-3A

EST

G1(R)-HOV110

Initiating Devices

EST

G1(R)-HOV15

Compatible Equipment:

EST

G1(R)-HOV75

•

EST

G1(R)-V15

•
•
•

16

All UL Listed non-coded manual alarm stations and heat
detectors, including ESL Series 103 and 104.
Compatible indicating devices shown in Table 8.

EST

G1(R)-V75

EST

G1(R)-HO

EST

G1(R)-H

UL Listed two-wire smoke detectors shown in Table 9.

EST

G1(R)-P

UL Listed four-wire smoke detectors shown in Table 10.

EST

G1M

EST

G1M-RM

Gentex

ST24-15/75WR

Gentex

GES24-15/75WR

Gentex

HS24-15/75WR

Gentex

GEC24-15/75WR

Gentex

HS24-110WR

Gentex

GEC24-110WR

System Sensor

S241575

System Sensor

S24110

System Sensor

P241575

System Sensor

P24110

System Sensor

SC241575

System Sensor

PC241575

System Sensor

SP2R241575

System Sensor

SP2R24110

System Sensor

MDL

Wheelock

NS-24MCW

Wheelock

NS4-24MCW

Wheelock

RSS-24MCW-FR

Wheelock

RSS-24MCW-FW

Wheelock

RSSP-24MCW-FR

Wheelock

ET70-24MCW-FR

Wheelock

ET70-R

Wheelock

MPS-100

Wheelock

MPS-400X

Wheelock

SM-12/24-R

Wheelock

DSM-12/24-R

ESL 1500 Series Fire Alarm Control Panel

Table 9. Two-Wire Smoke Detector Compatibility
Detector Series

Detector Models

Maximum Line
Resistance
(Ohms)

Control Unit
Compatibility
Identifier

Compatibliity
Identifier

Number
per Circuit

ESL 400 Series

429C, 429CT

100

C01

S10A

20

Self-Diagnostic

429CRT, 429CST

100

C01

S11A

20

521B

100

C01

DIP SW 1 ON S09A
DIP SW 1 OFF S10A

20

521BXT

100

C01

DIP SW 1 ON S09A
DIP SW 1 OFF S10A

20

ESL 500 Series
and ESL 500N Series

521CRXT
ESL 700 Series (Heads)
With 700 Series Bases

711U, 711UT, 712U,
713-5U, 721UT,741UT
702U, 702E, 702U
mounting base

100

C01

S11A

20

100

C01

S10A

20

100

C01

S00

NA

731U 4 wire

100

C01

S11A

20

702RE, 702RU
mounting base

100

C01

S00

NA

(Any of these two-wire detectors may be used mixed and matched on the system.)

Table 10. Four-Wire Smoke Detector Compatibility
ESLSeries

Suffix Letters

449

C, CT, CRT, CST, CSRT, CSRH, and CTE

541

C, CXT, NC, NCXT, NCRT, NCST, NCSRT,
NCSRH, NCTE

741UT with 702U base

U

(Any of these four-wire detectors may be used mixed and matched on the system.)

ESL 1500 Series Fire Alarm Control Panel

17

Appendix B
ESL 1500 Series Standby Battery Power Worksheet
1500 Series System
Components

Standby Current
Per Device

Total Standby
Current

Alarm Current
Per Device

Total Alarm
Current

1500-BMB (Zone 1)

100 mA

Indicating Circuit #1

5 mA

1 Amp = 1000 mA

mA

Indicating Cicuit #2

5 mA

1 Amp = 1000 mA

mA

mA

1 Amp = 1000 mA

mA

Auxiliary System Power

200 mA

1500-ZEM (Zone 2)

8 mA

mA

70 mA

mA

1500-ZEM (Zone 3)

8 mA

mA

70 mA

mA

1500-ZEM (Zone 4)

8 mA

mA

70 mA

mA

1500-ZEM (Zone 5)

8 mA

mA

70 mA

mA

1500-LEM

1 mA

320 mA

1500-ZRM-5

0 mA

75 mA

1500-RA5A

0 mA

mA

Total Current Requirements

75 mA

mA

mA

mA

mA

mA

mA

mA

mA

mA X .001 Amp/mA X ___________ hours = _____________ Ah Standby
Total Standby
Current

Conversion
Factor

Required # of
Hours in Standby

Conversion
Factor

Required # of
Minutes in Alarm

AMP - Hours

+

mA X .001 Amp/mA X ____________ minutes X .0167 hour/min = _____________ Ah Alarm
Total Alarm
Current

mA

Amp - hours

Conversion
Factor

=
Total Standby Battery Power = ____________ Ah X 1.15 = ____________ Ah
Battery Capacity
Derating Coefficient

Examples of 12 Ah Maximum Loading
24 hour standby
15 minute alarm
Maximum standby current (mA)
Maximum alarm current (mA)
Maximum battery capacity (Ah)

18

12 Ah
Maximum

60 hour standby
15 minute alarm

416

167

1500

1500

12

12

ESL 1500 Series Fire Alarm Control Panel

Appendix C
1500 Series Operating Instructions
Refer to the 1500 Series Installation Manual for more information
Normal Standby Condition

Trouble Condition

• Green “AX POWER” LED “ON”

• Yellow system trouble LED is “ON”

• All other LEDs “OFF”

• Yellow diagnostic LED is “ON”

• All switches in “NORMAL” position

• Integral sounder sounds a slow intermittent signal

Alarm Condition

• System trouble relay contacts transfer

• Red local zone alarm LED “ON”

Sounder Silence Switch Operated

• Integral sounder sounds a steady signal

• Integral sounder is “OFF” when system trouble is present

• Auxiliary alarm relay contacts transfer and latch

• Integral sounder is “ON” when system is in normal standyby
condition

• Supervised remote annunciator indication is “ON”
• Indicating circuits turn “ON”

Alarm Disconnect Switch Operated (Prior to Alarm
Condition) For Maintenance Use Only
• Disconnects local zone alarm from the auxiliary alarm relay
• Disconnects local zone alarm from the alarm indicating cirucits
• Red local zone alarm LED turns “ON”
• Supervised remote annunciator indication is “ON”
• Alarm signal from any other zone is not affected

Alarm Disconnect Switch Operated (After Alarm
Condition) For Maintenance Use Only

• System trouble relay contacts are not affected
• Will not silence supervisory alarm, supervisory trouble, or
system alarm signals

Supervisory Alarm Signal
• Integral sounder sounds a fast intermittent signal
• Zone #2 red local zone alarm LED is “ON”
• Zone #2 supervised remote annunciator indication is “ON”
• Auxiliary alarm relay contact do not transfer
• Indicating circuits are not activated
• Yellow supervisory LED is “ON”

• Auxiliary alarm relay contacts remain latched

Supervisory Trouble Signal

• Alarm indicating circuits are turned “OFF”

• Indicating sounder sounds a fast intermittent signal

• Red local zone alarm LED remains “ON”

• Zone #2 yellow local zone trouble LED is “ON”

• Supervised remote annunciator indication remains “ON”

• System trouble relay contacts transfer

• Alarm signal from any other zone is not affected

Reset Switch Operated
• Initiating circuit power removed (smoke detectors reset)
• Indicating circuits turn “OFF”
• Integral sounder sounds steady signal
• Auxiliary alarm relay is reset

Reset Switch Released

• Yellow supervisory LED is “ON”

Remote Test (Fire Drill)
• Indicating circuits turn “ON”
• Integral sounder sounds a slow intermittent signal
• Auxiliary alarm relay contacts do not transfer
• LEM module does not transmit
• Keying the test switch will pulse the indicating circuits

• System restored to normal unless initiating devices are not reset

Testing - Disconnect the AC power source during testing. If, after testing, a low battery condition exists, replace the batteries.
“This equipment should be installed in accordance with the National Fire Protection Association’s Standard 72 (NFPA,
Batterymarch park, Quincy, MA 02269). Printed information describing proper installation, operation, testing, maintenance,
evacuation planning, and repair service is to be provided with this equipment.”
Warning:
Owner’s instruction notices: “Not to be removed by anyone except occupant.’
For Service Contact:
_________________________________________________________________________________________________________
_________________________________________________________________________________________________________
_________________________________________________________________________________________________________
________________________________________________________________________________________________________
ESL 12345 SW Leveton Dr., Tualatin, OR 97062

Sales: 800.547.2556

Technical Services: 800.648.7424

Remove this page, frame, and mount adjacent to control unit.
ESL 1500 Series Fire Alarm Control Panel

19

©2001 Interlogix, Inc.
Interlogix, Caddx, ESL, ITI and Sentrol are trademarks of Interlogix,Inc.
All other trademarks are properties of their respective owners.

12603 Rev. G 08/01
64812687 Rev. G



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