D4120W 4-wire Smoke Detector

When System Sensor introduced the Innovair line of duct smoke detectors and accessories, it was revolutionary. Mechanical contractors and fire systems installers like you discovered its tremendous ease of use and reliability. Before long, the Innovair line rose to the top of the industry.

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Description

24VAC/DC, 120VAC

NEMA Type 4 UL listed for non-hazardous indoor and outdoor applications

UV Resistant, UL listed housing and cover material

Physical Specifications

Size: (Rectangular Dimensions)

(Square Dimensions)

14.38 in (37 cm) Length; 5 in (12.7 cm) Width; 2.5 in (6.36 cm) Depth

7.75 in (19.7 cm) Length; 9 in (22.9 cm) Width; 2.5 in (6.35 cm) Depth

Weight: 2.5 lbs (1.14 kg)

Environmental Rating: NEMA4

Operating Temperature Range: –4° to 158°F (–20° to 70°C)

Operating Humidity Range: 0% to 95% relative humidity non-condensing

Air Duct Velocity: 100 ft/min to 4000 ft/min (.5 m/sec to 20.3 m/sec)

Electrical Ratings

Power supply voltage: 20-29 VDC 24 VAC 50-60 Hz 120 VAC 50-60 Hz

Input capacitance: 270 μF max 270 μF max N/A

Reset voltage: 3.0 VDC min 2.0 VAC min 10 VAC min

Reset time: (with RTS451) .03 to 0.3 sec .03 to 0.3 sec .03 to 0.3 sec

Reset time: (by power down) 0.6 sec max 0.6 sec max 0.6 sec max

Power up time: 35 sec max 35 sec max 35 sec max

Alarm response time: 15 sec 15 sec 15 sec

Sensitivity Test: See detector label See detector label See detector label

Current Requirements: (Using No Accessories)

Max. standby current: 21 mA @ 24 VDC 65 mA RMS @ 24 VAC 60 Hz 20 mA RMS @ 120 VAC 60 Hz

Max. alarm current: 65 mA @ 24 VDC 135 mA RMS @ 24 VAC 60 Hz 35 mA RMS* @ 120 VAC 60 Hz

Contact Ratings

Alarm initiation contacts: (SPST) 2.0A @ 30 VDC (resistive)

Alarm auxiliary contacts: (DPDT) 10A @ 30 VDC (resistive); 10A @ 250 VAC (resistive); 1⁄2 HP@240VAC; 1⁄4 HP@120VAC

Note: Alarm auxiliary contacts shall not be connected to initiating circuits of control panels. Use the alarm initiation contact for this purpose.

Supervisory contacts: (SPDT) 2.0A @ 30 VDC (resistive); 2.0A @ 125 VAC (resistive)

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