KC-KIR-DDOS KIDDE OPTICA INTELLIGENT DUCT SMOKE DETECTOR

Description

The KIR-DDOS KIDDE OPTICA INTELLIGENT DUCT SMOKE DETECTOR is an addressable duct smoke detector designed to monitor HVAC air streams for the presence of smoke and provide early fire detection. It uses advanced optical sensing technology with onboard digital filtering and differential sensing to reduce nuisance alarms while maintaining reliable alarm response. Its slim profile and rotary addressing make it suitable for tight duct installations and commercial HVAC applications, helping prevent the spread of smoke throughout a facility.

• Model/SKU: KIR-DDOS

• Brand: Kidde

• Function: Addressable duct smoke detector for HVAC system monitoring

• Detection Technology: Optical smoke sensing with analog-to-digital signal processing and differential compensation for stable sensitivity

• Addressing: Rotary switch addressing (1–127) for easy loop integration

• Operating Voltage: 15.2 – 19.95 VDC from compatible signaling line circuit

• Auxiliary Output: One Form C auxiliary alarm relay for controlling ancillary equipment

• Air Velocity Rating: 100 ft/min to 4,000 ft/min for reliable smoke sampling in HVAC ducts

• Operating Temperature Range: –20 °F to 158 °F for reliable performance under harsh conditions

• Mounting: Dedicated duct mount with sampling and exhaust tube connections (sampling tube ordered per duct size)

• Dimensions: Approx. 7.75″ × 6.10″ × 2.50″ (overall housing)

• Why It Matters: Provides early smoke detection within ductwork to alert building occupants and stop smoke propagation through HVAC systems—critical for life safety and code-compliant fire detection designs.