System Sensor i3 Series Frequently Asked Questions And Answers

Q. What additional features are included in the i
3
series of detectors?
A. The i
3
thermal model smoke detectors, 2WT-B, 2WTA-B, 2WTR-B, 4WTB, 4WTA-B, 4WTR-B, 4WTAR-B, and
4WITAR-B are currently the only standard conventional smoke detectors with the capability of sensing a freeze
condition below 41°F.
Two-wire models, 2W-B, 2WT-B, 2WTA-B, and 2WTR-B, include outputs for an optional sounder annunciator, such
as System Sensor’s RA400Z, in applications where codes dictate.
All i
3
mounting bases include a tamper-resistant feature to prevent unwanted and costly tampering of the smoke
detector.
Q. How does one determine 2-wire compatibility listings?
A. An extensive list of 2-wire compatibility listings can be secured on the System Sensor website at
www.systemsensor.com; by requesting Documents on Demand at 1-800-SENSOR2, extension 3; or in the Product
Information section of this CD. If wired in conjunction with the 2W-MOD2 loop test/maintenance module, 2-wire i
3
detectors can be used on any compatible 2-wire or 4-wire fire alarm control panel.

System Sensor i3 Series Specifications

General

Brand	System Sensor
Model	i3 Series
Category	Smoke Alarm
Language	English