Autocall A4098-5602 Conventional Photo Heat Detector 721PH
The A4098-5602 is a conventional detector head that combines photoelectric smoke sensing with thermistor-based heat sensing, for two-wire or four-wire initiating device circuits. Its microprocessor analyzes both inputs and their combination to decide when an alarm is present. It installs on a separate base and is intended for indoor use.
Key Features
- Combined photoelectric smoke and 135 F (57.2 C) thermistor heat detection
- Onboard microprocessor with sensitivity drift compensation
- Dirty-detector status indicated through the status LED
- Magnetic test for status checks
- UL listed (the ULC-listed version is A4098-5604)
Specifications
| Operating voltage, two-wire |
10.5 to 33 VDC |
| Rated voltage, four-wire |
15 to 32 VDC |
| Heat element rating |
135 F (57.2 C) |
| Standby current |
<70 uA |
| Max alarm current |
64 mA at 30 V, 33 mA at 20 V, 14.5 mA at 12 V |
| Air velocity range |
0-2000 FPM |
| Humidity |
10-95% RH, non-condensing |
| Ambient operating temperature |
32 to 100.4 F (0 to 38 C) |
| Height |
42 mm (1 5/8 in.); 53 mm (2 1/8 in.) with base |
Compatible With
- Bases A4098-5207, A4098-5261, A4098-5680 and A4098-5682
- Conventional two-wire or four-wire initiating device circuits
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