Installation/configuration notes in accordance with
VdS/VDE
• The FAP‑DOTC420, FAP‑DOT420, FAP‑OTC 420, and
FAP‑OT 420 types are planned in accordance with the
guidelines for optical detectors if operated as optical
detectors or as combined optical/thermal detectors
(see DIN VDE 0833 Part 2 and VDS 2095)
• If occasional disconnection of the optical unit
(scattered light sensor) is required, planning must be
based on the guidelines for heat detectors (see
DIN VDE 0833 Part 2 and VDS 2095)
• When planning fire barriers according to DIBt, note
that the FAH‑T 420 (KKW) must be configured in
accordance with class A1R.
Parts included
Detector type Qty
.
Components
FAP-DOTC420 1 Multisensor Detector Dual-Optical,
Thermal, Chemical
FAP-OTC 420 1 Multisensor Detector Optical/Thermal/
Chemical
FAP-DOT420 1 Multisensor Detector Dual-Optical,
Thermal
FAP-OT 420 1 Multisensor Detector Optical/Thermal
FAP-DO420 1 Dual-Optical Smoke-Detector
FAP-O 420 1 Optical Smoke Detector
FAH-T 420 1 Heat Detector (Thermal Differential/
Thermal Maximum)
FAP-O 420 KKW 1 Optical Smoke Detector *
FAH-T 420 KKW 1 Heat Detector (Thermal Differential/
Thermal Maximum) *
* For use in areas with increased radioactive radiation
Technical specifications
Electrical
Operating voltage 15 V DC to 33 V DC
Current consumption < 0.55 mA
Alarm output Per data word by two-wire signal
line
Indicator output Open collector connects 0 V over
1.5 kΩ through, max. 15 mA
Mechanics
Dimensions
• Without base Ø 99.5 x 52 mm
• With base Ø 120 x 63.5 mm
Housing
• Material Plastic, ABS (Novodur)
• Color White, similar to RAL 9010,
matt finish
Weight Without / With packaging
• FAP-DOTC 420 Approx. 80 g / Approx. 135 g
• FAP-DOT 420,
FAP‑DO 420
Approx. 75 g / Approx. 125 g
• FAP-OTC 420 Approx. 80 g / Approx. 125 g
• FAP-OT 420,
FAP‑O 420,
FAP‑O 420 KKW,
FAH‑T 420,
FAH‑T 420 KKW
Approx. 75 g / Approx. 115 g
Environmental conditions
Permissible operating
temperature
• FAP-DOTC420
• FAP-OTC 420
-10 °C to +50 °C
• FAP-DOT420
• FAP-OT 420
• FAH-T 420
• FAH‑T 420 KKW
-20 °C to +50 °C
• FAP-DO420
• FAP-O 420
• FAP‑O 420 KKW
-20 °C to +65 °C
Permissible storage
temperature
• FAP-DOTC420 -20 °C to +50 °C
• FAP-DOT420 -25 °C to +80 °C
• FAP-DO420 -25 °C to +80 °C
Permissible relative humidity 95% (non-condensing)
Permissible air speed 20 m/s.
Protection class as per
EN 60529
IP 40,
IP 43 detector base with damp
room seal
Further characteristics
Response sensitivity
• Optical part In accordance with EN 54 T7
(programmable)
• Thermal maximum part > 54 °C / >69 °C
• Thermal differential
part: FAH-T 420,
FAH‑T 420 KKW
A2S / A2R / A1 / A1R / BS / BR, in
line with EN 54‑5 (programmable)
• Thermal differential
part: FAP‑DOTC420,
FAP‑DOT420,
FAP‑OTC420,
FAP‑OT420
A2S / A2R / BS / BR, in line with
EN 54‑5 (programmable)
• Gas sensor In ppm range
4 | FAP-420/FAH-420 Automatic Fire Detectors LSN improved version
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