Photoelectric smoke detector ZI-S 817

The first sign of a fire is smoke, and therefore the most widely used product in fire alarm systems is a smoke detector. The absorption coefficient of ZI-S 817 model smoke detectors is within the permitted standard range and reacts quickly to all types of smoke (white and black smoke caused by the ignition of all materials). The work of this detector is based on photoelectric signal processing. The entry of smoke into the detector chamber causes the light emitted from the transmitter to reach the receiver and the fire alarm is made. The body of the detector is made of special heat-resistant ABS with a beautiful design that fits the architecture of the buildings.

Two-layer metallized fiberglass circuit with a layer resistant to moisture, vapors and corrosive substances
Production of electronic boards using modern equipment based on SMT technology
False alarm removal technology (F.A.P.)
Reflective box and environmental noise control processors to eliminate false alarms

Two LEDs with 360-degree visibility show the detector’s performance, with green flashing indicating normal operation and steady red LED indicating fire status. Behind the detector, enough space is provided for the entry of the zone wires and the remote indicator, and this allows the installer to easily install the detector. In addition, the double elevator contacts allow for standard connections. Environmental noises, and specifically electromagnetic noises, are the most important cause of false alarms in fire alarm systems.

The software and hardware measures provided on the detector make full protection against these noises. F.A.P technology absolutely does not allow false alarms. Reflector box and microprocessors are what give this capability to the detector. Therefore, you can have 100% confidence in the performance of the detector. The presence of moisture and corrosive substances is one of the most inevitable components of environmental conditions. The protective layer on the circuits and the chrome plating on the metal parts prevent corrosion and malfunction of the detector. The circuits used are double-layer metallized fiberglass and SMT technology is used to assemble parts on the circuits.

Modern equipment and machines have been used for the production and quality control of the product. The golden guarantee will provide additional peace of mind for the consumer; In addition, fast and available hardware and software after-sales service is also one of ZITEX’s commitments to customers. The 16-digit serial number on the products allows the customer to control the authenticity of the product. The basis for the design and production of the smoke detector is the Iranian national standard number 3708 and 3709 and the international standard EN 54-7.

Additional information

Detector class

Photoelectric Smoke Detector

Circuit manufacturing technology

SMT

Design standard

BS EN-54-7 and ISIRI 3708 , 3709

Voltage range

12-32 V D.C.

The current in normal mode is 24V D.C

≤50 μA

The current in alarm mode is 24V D.C

≤20 mA

Operating temperature range

-15 °C — +80 °C

Functional humidity range

(Non-condensing) 0% — 95% RH (no condensation)

Sensitivity to smoke (standard permissible range)

0.15 dB/m
(0.05 — 2dB/m)

Duration of initial setup

5 Sec

The area of the covered area

According to EN 5839

degree of protection

IP 40

Ability to see LEDs

۳۶۰ °

LED operation in normal mode

Flashing Green

LED function in alarm mode

Fixed Red

Wiring without remote

2-wires

Wiring with remote

3-wires

Body Material

Heat resistant ABS body

Dimensions

98 x 50 mm

Weight

126 g

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