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Installation ease. Throughout the i3 series, installation is simple with its installer-friendly base and plug-in design. The base accommodates a broad range of back box and direct mounting options and provides ample space for pre-wiring the device. To complete the installation, the i3 detector plugs into its base with a simple Stop-Drop ’N Lock action.
To reduce the likelihood of nuisance alarms, all i3 detectors are equipped with both drift compensation and smoothing algorithms. These capabilities minimize both short- and long-term causes of nuisance alarms, such as RF interference and dust accumulation. When connected to the 2W-MOD2 loop test/maintenance module or an i3 Ready™ panel, 2-wire i3 detectors can generate a remote maintenance signal when in a maintenance or freeze trouble condition. To measure the sensitivity of any i3 detector, the SENS-RDR displays the reading, in terms of percent-per-foot obscuration, within seconds.
Instant inspection. i3 has red and green LEDs to simplify local status indication during power-up, standby, alarm, maintenance, and freeze trouble conditions. When in alarm, i3 sounder models generate an 85 dB temporal tone. If connected to the RRS-MOD reversing relay/synchronization module, all i3 sounders on the loop will activate when one detector is in alarm. The RRS-MOD also synchronizes i3 sounder output to ensure a clear audible signal.
Should the application call for differentiating between a local and a general alarm, the i3 line offers an isolated thermal model, which initiates a local alarm when smoke is detected, and a general alarm when the thermal sensor is activated.
Features
- 85 dB sounder
- Form C relay
- Isolated thermal sensor
- Plug-in design (base included)
- In-line terminals
- Flexible mounting options
- Stop-Drop ’N Lock™ attachment to the base
- Removable cover and chamber
- Remote maintenance signaling
- Drift compensation and smoothing algorithms
- Simplified sensitivity measurement
- Dual-color LEDs
Specifications
| Operating Voltage: | 12/24 VDC (peak). |
| Standby Current: | 4-wire: 50 ìA maximum average |
| Maximum Alarm Current: | 4-wire: 35 mA |
| Alarm Contact Ratings | 4-wire: 0.5 A @ 30 V AC/DC |
| Operating Temperature Range: | 32°F – 100°F (0°C – 37.8°C) |
| Operating Humidity Range: | 0% to 95% RH non-condensing |
| Thermal Sensor: | 135°F (57.2°C) fixed |
| Freeze Trouble: | 41°F (5°C) |
| Sensitivity: | 2.5% /ft. nominal |
| Input Terminals: | 14 – 22 AWG |
| Dimensions (including base): | 5.3 inches (127 mm) diameter, 2.0 inches (51 mm) height |
| Weight: | 6.3 oz. (178 grams) |
| Mounting: | 3.5-inch (8.8 cm) octagonal backbox 4-inch (10.16 cm) octagonal backbox. Single-gang back box 4-inch (10.16 cm) square backbox with plaster ring. Direct mount to ceiling.) |