Fixed and incremental heat detector ZI-H 720 FIX & ROR

It can be said that the secondary signal of fire alarm after smoke is the increase in ambient temperature. Thermal detectors are responsible for analyzing changes in ambient temperature. According to the EN 54-5 standard, two types of operation can be assigned to the thermal detector: operation when a constant temperature threshold is reached and operation in case of a sudden change in the ambient temperature (Class S and R). These two classes have been considered in the design and construction of ZITEX thermal detectors.
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.)
Detecting the increase in ambient temperature in two constant (A1S class) and increasing (A2R class) modes according to EN 54-5 standard

The engineered design of the detector body is made using heat-resistant ABS. A 360-degree crystal indicator with two modes of flashing green (normal mode) and steady red (alarm mode) shows the performance of the detector. Providing enough space behind the detector for the entry of the positive and negative wires of the zone as well as the remote indicator wire, and the use of double elevator terminals, has made the installation of the detector very easy. The detector circuit is designed to be protected against reverse polarity. The circuit is made of double-layer metallized fiberglass and the electronic components are assembled on the circuit using SMT technology.

A layer resistant to moisture, vapors and corrosive substances has also been applied to the circuits. Specialized programming of microprocessors guarantees the functional reliability of the detector. Environmental noises are controlled both by software and hardware, and F.A.P (False Alarm Protection) technology is used to achieve this goal. Like all ZITEX detectors, this model can also be connected to a remote control. The metal parts of the detector are covered by chrome plating to protect them from corrosion.

The most modern laboratory equipment and production machines are responsible for the design, production and quality control of this product. Similar to other ZITEX products, golden warranty, fast and available hardware and software after-sales service, product authenticity tracking code and having a standard license are among the features of this product. The requirements of national standard number 3710 and international standard EN 54-5 have been followed with all details in the design and production of this product.

Additional information

Detector class based on EN 54-5 standard

A2R A1S

Circuit manufacturing technology

SMT

Design standard

BS EN-54-5 and ISIRI 3710

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)

Alarm temperature

60°C ± 3°C

RoR performance

8–15°C/min

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 52 mm

Weight

138 g

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