© 2003 System Sensor. The company reserves the right to change product specifications without notice.

A05-0349-001•7/03•#1115

Physical Specifications

Operating Temperature Range

14°F–122°F (–10°C to 50°C)

Operating Humidity Range

0 to 95% RH non-condensing

Input Terminals

14–22 AWG

Dimensions

Height: 4.5 inches (114 mm)

Width: 4.0 inches (101 mm)

Depth: 1.25 inches (32 mm)

Weight

8 oz. (225 grams)

Mounting

4-inch square back box

Electrical Specifications

Operating Voltage

Nominal: 12/24 V

Min.:

8.5 V power limited

Max.:

30 V power limited

Maximum Ripple Voltage

30% of applied voltage (peak to peak)

Maximum Standby Current

30 mA

Maximum Alarm Current

90 mA

Maximum Maintenance Current

53 mA

Alarm Contact Ratings

0.5 A @ 36VDC, Resistive

Maintenance Contact Ratings

2 A @ 30VDC, Resistive

Loop test/maintenance module shall be

a System Sensor i3 series model num-

ber 2W-MOD2, listed to Underwriters

Laboratories UL 864 for Control Units

for Fire Protection Signaling Systems.

The module shall include provisions for

mounting to 4″-inch square back boxes.

Wiring connections shall be made by

means of SEMS screws. The module shall

provide three LED indicators which

will blink or illuminate to indicate com-

munication status, maintenance alert,

alarm or freeze trouble conditions, and

EZ Walk loop test mode. The module

shall allow communication to 2-wire

i3 detectors with any UL listed fire alarm

control panel. The 2W-MOD2 shall offer

provisions for Style D wiring on IDC

loops, and shall provide a loop testing

capability to verify the initiating loop wir-

ing.

Architect/Engineer Specifications

Model

Description

2W-MOD2

2-wire loop test/maintenance module for 2-wire i3 series standard, sounder, and Form C relay smoke detectors

Ordering Information

LED Modes

LED Color

Status

Condition

Green LED

On

Power on. Detectors on loop do not have communication capability.

Blinking 1 sec. on / 1 sec. off

Power on. Detectors on loop are communicating normally.

Off

Power not applied or module not in operation.

Red LED

On

Detector on loop in alarm.

Blinking 1 sec. on / 1 sec. off

One or more detector on loop is in need of maintenance or is in freeze trouble.

Yellow LED

On

Loop wiring fault exists.

Blinking 0.5 sec. on / 0.5 sec. off

EZ Walk test mode.

Power Up Sequence for LED Indication

Condition

Duration

Initial LED status indication

2 minutes

EZ Walk test available

6 minutes after reset

System Sensor Sales and Service

System Sensor Headquarters

3825 Ohio Avenue

St. Charles, IL 60174

Ph: 800/SENSOR2

Fx: 630/377-6495

www.systemsensor.com

System Sensor Canada

Ph: 905.812.0767

Fx: 905.812.0771

System Sensor Europe

Ph: 44.1403.276500

Fx: 44.1403.276501

System Sensor in China

Ph: 86.29.8832.0119

Fx: 86.29.8832.5110

System Sensor in Singapore

Ph: 65.6273.2230

Fx: 65.6273.2610

System Sensor – Far East

Ph: 85.22.191.9003

Fx: 85.22.736.6580

System Sensor – Australia

Ph: 613.54.281.142

Fx: 613.54.281.172

System Sensor – India

Ph: 91.124.637.1770 x.2700

Fx: 91.124.637.3118

System Sensor – Russia

Ph: 70.95.937.7982

Fx: 70.95.937.7983