Description
The Honeywell IDP-PHOTO-R-IV is a commercial smoke detector designed for compatible Honeywell Farenhyt addressable fire alarm systems. It features a smoke sensing chamber engineered to detect smoke from a wide range of combustion sources while providing dependable fire detection and reduced nuisance alarms. The -IV model is supplied in an ivory housing for applications where an alternate detector color is preferred.
This detector includes remote test capability for use with compatible DNR and DNRW intelligent duct smoke detector housings, allowing functional testing from an approved remote test station without requiring a test coil on newer duct housings. It features rotary decimal addressing, dual LED status indication, and a low-profile plug-in design. This product is intended exclusively for commercial fire alarm installations.
Product Functions
- Detects airborne smoke
- Supports remote testing in compatible duct detector housings
- Reports alarm conditions to the fire alarm control panel
- Continuous detector supervision
- Individual device identification
- Rotary decimal addressing
- Dual LED status indication
- Magnetic functional testing
- Supports remote LED annunciation
Electrical & System Information
The IDP-PHOTO-R-IV operates on compatible Honeywell addressable 15–32 VDC Signaling Line Circuits (SLC) and communicates continuously with the fire alarm control panel. Rotary decimal switches provide local addressing from 01–159.
The detector is specifically designed for use with DNR and DNRW intelligent duct smoke detector housings. When installed in compatible housings manufactured with date code 0013 or later, remote testing can be performed without an auxiliary test coil. Earlier housings require the optional DCOIL accessory for remote testing.
Features
- Commercial smoke detector
- Ivory housing
- Smoke sensing chamber
- Remote test capable
- Designed for duct detector applications
- Rotary decimal addressing
- Dual LEDs with 360° visibility
- Magnetic functional testing
- Low-profile housing
- Low standby current
- Optional remote LED annunciator
- Plug-in detector head
Mounting & Design
The IDP-PHOTO-R-IV installs on compatible B501 or B300-6 detector bases using a plug-in design that allows installation, inspection, cleaning, testing, and replacement without disturbing field wiring.
When installed inside compatible DNR or DNRW intelligent duct smoke detector housings, the detector supports remote functional testing and maintenance while remaining installed in the duct housing.
Protection & Applications
Suitable for:
- HVAC Duct Smoke Detection
- Air Handling Units
- Office Buildings
- Schools
- Hospitals
- Hotels
- Warehouses
- Commercial Buildings
- Industrial Facilities
Compatibility
Compatible with:
- Honeywell Farenhyt Addressable Fire Alarm Control Panels
- Honeywell IDP Signaling Line Circuits
- DNR Intelligent Duct Smoke Detector Housing
- DNRW Weatherproof Duct Smoke Detector Housing
- B501 Detector Base
- B300-6 Detector Base
- RA100Z Remote LED Annunciator
- RTS151 Remote Test Station
- RTS151KEY Remote Test Station
Always verify compatibility with the installed fire alarm control panel, detector base, duct detector housing, firmware version, and project requirements before installation.
Technical Specifications
Manufacturer: Honeywell
Series: Farenhyt IDP
Model: IDP-PHOTO-R-IV
Product Type: Addressable Smoke Detector
Detection Method: Smoke Sensing Chamber
Housing Color: Ivory
Remote Test Capability: Yes
Operating Voltage: 15–32 VDC
Typical Operating Current: 200 µA @ 24 VDC
Maximum Alarm Current: 2 mA @ 24 VDC
Maximum Current: 4.5 mA @ 24 VDC
Addressing: Rotary Decimal Switches
Address Range: 01–159
Status Indicators: Dual LEDs
Operating Temperature: 32°F to 122°F (0°C to 50°C)
Duct Application Temperature: –4°F to 158°F (–20°C to 70°C)
Operating Humidity: 10%–93% RH Non-Condensing
Air Velocity: 0–4,000 ft/min
Height: 2.0 in. (51 mm)
Diameter: 4.1 in. (104 mm) on B501 Base; 6.1 in. (155 mm) on B300-6 Base
Weight: 5.2 oz. (147 g)
Mounting: Compatible Intelligent Detector Base Required
Application: Indoor Commercial Fire Alarm Systems
Listings: UL 268A Listed for duct applications when installed in compatible DNR/DNRW housings. Verify product labeling and project requirements before installation.
Applications
The Honeywell IDP-PHOTO-R-IV is designed for commercial fire alarm systems requiring dependable smoke detection with remote testing capability, particularly for HVAC duct smoke detection. Typical applications include office buildings, hospitals, schools, hotels, warehouses, industrial facilities, and other commercial occupancies utilizing compatible Honeywell Farenhyt addressable fire alarm systems and DNR/DNRW intelligent duct smoke detector housings.





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