HVAC System Monitoring

Description

Model – D2
Description – Photoelectric low-flow duct smoke detector
Wiring – 2-wire
Air Velocity Range – 100-4,000 ft/min
Operating Temp. Range – -4° to 158°F (-20° to 70°C)
Operating Voltage – 12/24 VDC
Alarm Current – 130 mA max.

Model – D4120
Description – Photoelectric low-flow duct smoke detector
Wiring – 4-wire
Air Velocity Range – 100-4,000 ft/min
Operating Temp. Range – -4° to 158°F (-20° to 70°C)
Operating Voltage – 24 VAC/DC or 120 VAC
Alarm Current – 65 mA max. at 24 VDC
Auxiliary Contact – 2 Form C Auxiliary

Model – D4120W
Description – Watertight photoelectric low-flow duct smoke detector
Wiring – 4-wire
Air Velocity Range – 100-4,000 ft/min
Operating Temp. Range – -4° to 158°F (-20° to 70°C)
Rating – NEMA 4
Operating Voltage – 24 VAC/DC or 120 VAC
Alarm Current – 65 mA max. at 24 VDC
Auxiliary Contact – 2 Form C Auxiliary

Model – D4S
Description – Photoelectric low-flow sensor only component
Wiring – 4-wire
Air Velocity Range – 100-4,000 ft/min
Operating Temp. Range – -4° to 158°F (-20° to 70°C)
Operating Voltage – 24 VAC/DC or 120 VAC
Alarm Current – 65 mA max. at 24 VDC

Model – D4P120
Description – Power-board-only component
Wiring – 4-wire
Operating Temp. Range – -40° to 158°F (-40° to 70°C)
Operating Voltage – 24 VAC/DC or 120 VAC
Alarm Current – 65 mA max. at 24 VDC
Auxiliary Contact – 2 Form C Auxiliary

Model – 2151
Description – Photoelectric no-flow/low-flow smoke detector
Wiring – 4-wire
Air Velocity Range – 0-3,000 ft/min
Operating Temp. Range – 32° to 120°F (0° to 49°C)
Operating Voltage – 24 VAC/DC w/B114LPBT base; 120 VAC w/B114LP base
Alarm Current – 75 mA max.
Auxiliary Contact – 1 Form A & 1 Form C Auxiliary Relay