System Sensor RR1 User Manual

INSTALLATION AND MAINTENANCE INSTRUCTIONS

RR1 Polarity Reversal
Relay Module

Specifications

Operating Voltage Range: 9.5 to 32 VDC
Maximum Operating Current: 29mA
Relay Contacts: 2A at 30 VDC, 0.5A at 120 VAC
Operating Temperature Range: 0˚ to 55˚ C (32° to 131° F)
Operating Humidity Range: 5% to 95%
Dimensions: 1
Wire connections: 18 AWG stranded, tinned, 16″ long

General Description

The RR1 polarity reversing relay module is intended for
use with 2-wire and 4-wire detectors with built-in
sounder, such as System Sensor 2100AT, 2112/24ATR
and 2112/24AITR, and other compatible models. It is de­signed to allow all the detectors in the same loop to
sound when one of the detectors goes into alarm.

1

/2″ x 13/4″

2. Connect the outgoing wires of the relay module to the
smoke detector power-in terminals (brown to positive,
white to negative).

3. Connect the blue and purple wires of the RR1 to any of

3825 Ohio Avenue, St. Charles, Illinois 60174

1-800-SENSOR2, FAX: [phone]

NOTE: If using a power supervision relay, be
aware of the following: In an alarm condition, a
wiring-fault trouble state may also register at
the panel when the RR1 is used.

The RR1 cannot be used with a coded (or
pulsed) power supply. For proper RR1 opera­tion, distinct wiring methods are required. See
page 4 for specifics.

wire detectors.

2) Connect the red wire to other end of alarm relay
contact output.

A Division of Pittway

the power sources as specified in the applicable wiring
NOTICE: This manual shall be left with the owner/user of
this equipment.

diagram (see Figures 1-4).

4. 2-wire models:
Connect the yellow and orange wires to the positive and

NOTE: If your panel configuration does not match any of
the provided wiring diagrams, please contact System Sen­sor technical services at 1-800-SENSOR2 for assistance.

Installation

Choose a mounting location in the control panel within

negative of the initiating loop, respectively.
4-wire models:
Connect the yellow and orange wires to the positive and
negative of power to detectors, respectively.

5. Connect the smoke detector initiating circuit to the
alarm loop.

reach of the provided wire leads. Use a water/isopropyl al­cohol mixture (50/50) to clean the mounting surface. Allow
surface to dry and remove paper backing from the Velcro
and catch. Stick the Velcro in the panel and the catch on
the back of the module, then mount the module inside the
control panel. Route terminals to the appropriate terminals

When calculating total current draw of the control panel,
remember to add current consumption (29mA) for the
power reversal relay module (RR1).

WARNING

as noted below.

Testing

Wiring

1. Connect the relay module trigger wires to the fire alarm
output terminals.

Before testing, notify the proper authorities that the system
is undergoing maintenance and will temporarily be out of
service.

IMPORTANT: Polarity must be observed!

A. Continuous alarm/bell output: (Figures 1 and 2)

Connect red wire to positive and black wire to negative.

Test in accordance with NFPA 72 Chapter 7 test methods,
inspections, and testing frequency.

B. Alarm relay, normally open contact output: (Figures 3

and 4)

1) Connect one end of the alarm relay contact output
and the black wire to positive and negative of
power, respectively. Auxiliary power supply is used
as a power source for 2-wire detectors and power
to the detectors is used as a power source for 4-

1. To test the RR1 module, confirm that the smoke detec­tors do not sound without an alarm.

2. Initiate an alarm with smoke or approved test method
on any detector connected to the control panel via the
RR1 module. In alarm, all the detectors that are installed
in the corresponding loop shall sound.

3. Reset the detectors by removing power to the loop.

M500-12-00 1 I56-1168-02

NOTE: If your panel configuration does not match any of the following wiring diagrams, please contact System Sensor
technical services at 1-800-SENSOR2 for assistance

Figure 1. RR1 module with 2-wire smoke detectors:

The power reversal relay module does not provide supervision.

UL LISTED
CONTROL

PANEL

CONTINUOUS

BELL/

ALARM

OUTPUT

INITIATING

LOOP

+

–

+
–

All supervision is provided by the interconnected control unit.
POWER REVERSAL

RELAY MODULE (RR1)

T1RED

BLK

T2

YELLOW

PURPLE

–

T8

T7

WHITE

T6

T3

BROWN

T4

T5

+

–

RA400Z

ORG
BLUE

+

To auxiliary power/IAC/Bell output or
any UL listed regulated power supply
listed for fire protective signaling use.
(polarity shown with panel in alarm).

EOL

+

P

+

W
R

–

A

+

-

A

Not
Used

+

–

RA400Z

+

P

+

W
R

–

A

+

A

-

Not
Used

A78-2336-10

NOTE: If optional Class A wiring is used, second power reversal relay module (RR1) must be added to enable concurrent
loop polarity reversal.

Figure 2. RR1 module with 4-wire smoke detectors:

The power reversal relay module does not provide supervision.

UL LISTED
CONTROL

PANEL

CONTINUOUS

BELL/

ALARM

OUTPUT

POWER

DETECTORS

TO

INITIATING

LOOP

+

–

+
–

All supervision is provided by the interconnected control unit.
POWER REVERSAL

RELAY MODULE (RR1)

T1RED

BLK

T2
T8

ORG

BLUE

YELLOW

PURPLE

+

–

To auxiliary power/detector power/IAC/Bell
output or any UL listed regulated power supply
listed for fire protective signaling use.
(polarity shown with panel in alarm).

T7

WHITE
T6
T3

BROWN

T4

T5

+

P

W

+

R

–

A
A

NC

A

C

U
X

NO

OPTIONAL CLASS A WIRING

A
A

NC

NO

+
+
–

C

P

W

R

INITIATING

}

LOOP

A
U
X

EOL POWER
SUPERVISION
RELAY (SHOWN
ENERGIZED)
A77-716 12/24V

EOL RESISTOR
SPECIFIED BY
PANEL
MANUFACTURER

A78-2336-09

M500-12-00 2 I56-1168-02