D4120 4-Wire Smoke Detector

D4120 4-wire conventional photoelectric low-flow duct 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

24 VAC/DC,120 VAC

2:1 sensor-to-power capability for allowing a power board to monitor both supply and return side detectors

Physical Specifications

D4120 Size: (Rectangular Dimensions) 14.38 in (37 cm) Length; 5 in (12.74 cm) Width; 2.5 in (6.36 cm) Depth

(Square Dimensions) 7.75 in (19.7cm) Length; 5 in (12.7 cm) Width; 2.5 in (6.35 cm) Depth

D4S/D4P120 Size: 7.75 in (19.7cm) Length; 5 in (12.7 cm) Width; 2.5 in (6.35 cm) Depth

D4120 Weight: 2.5 lbs (1.14 kg)

D4120 & D4S

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

Storage Temperature Range: –22° to 158°F (–30° to 70°C)

D4P120

Operating Temperature Range: –40° to 158°F (–40° to 70°C)

Storage Temperature Range: –40° to 158°F (–40° 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 20.32 m/sec)

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 [email protected] 65 mA [email protected] 60Hz 20 mA [email protected] 60Hz

Max. alarm current: 65 [email protected] 135 mA [email protected] 60Hz 35 mA [email protected] 60Hz

Contact Ratings

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

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

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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