J.T.O. System GIC40N Product Specifications And User's Manual

Carbon monoxide detector

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Carbon monoxide detector GIC40N

Technical Speciﬁcations and User Guide

Stationary electronic device for car-

bon monoxide detection

Part of industrial and commercial de-

tection applications

Use in small and medium-sized boiler

rooms, garages or various warehouses

The purpose of the detectors is to send a signal about the creation of a potentially

dangerous atmosphere for health. They use a heated semiconductor sensor for their

operation, which can react to the presence of many others ﬂammable gases or vapors.

However, a special sensor control procedure achieves high sensitivity to CO with

reduced eﬀect of other gases.

Detectors can be used individually or in groups of several pieces. Each detector

is separate unit requiring 12V or 24V DC power supply and its output is a two-state

signal showing whether the set concentration is, or is not exceeded. The detector

contains three separate outputs allowing monitoring up to three diﬀerent concen-

tration levels. The output element for all levels is switching transistor with open

collector and indicators signaling exceeding the set level. Adjustment elements are

located on the electronics board, which allow selection of the desired level monitored

concentrations and control some properties of the detector. The user can thus select

the idle status of the output signal, its delay or the memory function for one of the

outputs.

GIC40N is ready to be fastened with screws to the designated place and it is

assumed to be regular on-the-spot checks.

J.T.O. System, s.r.o., 1. 9. 2020

and technology operations where CO

may occurs (for non-hazardous areas)

Three levels of detection with separate

outputs

Error output with the possibility of

connection to the alarm loop

Error

Power

GIC40N

Level I

Level II

Level III

J.T.O. System, s.r.o.

Made in Czech Republic

TD–GIC40N–1.2

Table of Contents

Summary of Contents for J.T.O. System GIC40N

Page 1 GIC40N is ready to be fastened with screws to the designated place and it is assumed to be regular on-the-spot checks. J.T.O. System, s.r.o., 1. 9. 2020...
Page 2: Technical Specifications
Certiﬁcate Usage Limitations GIC40N detectors are designed to detect the presence of CO in a standard at- mosphere. We do not guarantee correct detection at low or high oxygen concent- ration. The use of the device in an environment where there may be special chemical substances, e.g.
Page 3: Detector Location
Function description GIC40N detector uses a heated semiconductor sensor to detect gas. These sensors are not selective, they react in the presence of various ﬂammable substances in the air. In order to achieve high sensitivity to CO and reducing the inﬂuence of other substances, the sensor is controlled in periodic cycles and is additionally inserted in front of the active layer carbon ﬁlter suppressing the eﬀect of organic substances.
Page 4: Output Connection
GIC40N – Technical Speciﬁcations and User Guide Detector power supply The detector can be supplied with a voltage of 12 V = or 24 V =. There is no need to do any adjustments for to supply 12 V and the detector can be connected directly.
Page 5 GIC40N – Technical Speciﬁcations and User Guide There are 2 more fault loop terminals located on the electronics board. The switching element here is the contact relay. It is not necessary to observe the polarity of the current ﬂowing in the loop. The fault (disconnection of L1 and L2) is signaled by the yellow LED.
Page 6 GIC40N – Technical Speciﬁcations and User Guide The range of the whole trimmer corresponds to a concentration of 0 to 250 ppm. When divided into 10 divisions, 1 division corresponds approximately a concent- ration of 25 ppm. In the case of both jumpers T and G short, the concentration of I and II is the same.
Page 7: Connection Examples
GIC40N – Technical Speciﬁcations and User Guide Connection examples The following ﬁgure shows an example of a simple assembly for monitoring two (or more) diﬀerent places. Two (or there may be more) detectors are used together with the NZ34 power supply. Four signal wires from detectors (+ 12V, GND, II and III) are connected in parallel.
Page 8 GIC40N – Technical Speciﬁcations and User Guide Another example is the connection of a detector to a control system that requires potential free switching inputs. The detector is powered from a 24V= source. Relays with a 24V coil are connected to its outputs. Relay coil is always bridged by a protection diode.
Page 9: Installation Procedure
This check determines whether the detector responds to the presence of CO in the air. For inspection can be used a test ampule with a smoke stick that is supplied to inspect any new J.T.O. System, s.r.o. CO detector. Take the stick out of the ampule, J.T.O. System, s.r.o., 1. 9. 2020...
Page 10: Calibration Procedure
GIC40N – Technical Speciﬁcations and User Guide light it and let it smoke like a cigarette. Move smoking stick in to a distance of about 5 cm so that the rising smoke passes around to the sensor. Within about 30 seconds must activate all detector stages and the system response must follow.
Page 11: Troubleshooting
GIC40N – Technical Speciﬁcations and User Guide Procedure using a calibration gas with a concentration of 100 ppm or 150 This mode can be used if the jumpers T and G are open and we have a calibration gas with a concentration of 100 ppm CO, or if only jumper G is short and we have a calibration gas with a concentration of 150 ppm CO.
Page 12: Detector Accessories
2 digits of the serial number. Warranty and post-warranty service or technical assistance can be obtained at: J.T.O. System, s.r.o., 1. m´ a je 823, 756 61 Roˇ z nov pod Radhoˇ s tˇ e m, Czech Republic tel. +420 571 843 343 If the device is taken out of service, it must be disposed of ecologically –...