Table of Contents
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Introduction
The GS3000 Gas Detection Sensor Series of carbon
monoxide (CO) and nitrogen dioxide (NO
monitor CO gas levels and offers an optional local or
remote NO
sensor. You can order the sensor with four
2
output options. Analog options include 4 mA to 20 mA
active output or voltage output configurable as 0 VDC
to 5 VDC or 0 VDC to 10 VDC. Network options include
BACnet®.
Analog outputs are available on the CO, TEMP, and NO
terminals. Order the signal type as either voltage or 4
mA to 20 mA active outputs. Select the voltage model for
either 0 VDC to 5 VDC or 0 VDC to 10 VDC through the
Menu, the factory default setting is 0 VDC to 5 VDC.
Figure 1: GS3000 Series Gas Detection Sensor
Important:
Read these instructions carefully before you install
and commission the gas sensor. Failure to follow
these instructions may result in product damage.
Do not use this device in an explosive or hazardous
environment, with combustible or flammable gases,
as a safety or emergency stop device, or in any
other application where failure of the product could
result in personal injury. Follow electronic discharge
precautions during installation and do not exceed
the device ratings.
GS3000 Gas Detection Sensor Series Installation
) sensors
2
Features and benefits
Features include:
• LCD to configure and monitor various output signal
types
• Temperature sensor with different output types
• 2 relays for alarm indication
• High intensity strobe and buzzer for alarms
• Field-replaceable calibrated sensors
2
Dimensions
Figure 2: Dimensions of the GS3000 Series Gas
Detection Sensor
Part No. 24-11484-00005 Rev. B
*241148400005B*
(barcode for factory use only)
Guide
2021-04-01
GS300, GS301
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Summary of Contents for Johnson Controls GS3000 Series
- Page 1 20 mA active outputs. Select the voltage model for either 0 VDC to 5 VDC or 0 VDC to 10 VDC through the Figure 2: Dimensions of the GS3000 Series Gas Menu, the factory default setting is 0 VDC to 5 VDC.
- Page 2 When you complete the wiring and device setup, close and latch the cover. The enclosure also includes a hole for the use of an anti-tamper device. Figure 3: Opening the GS3000 Series sensor cover Figure 4: Location of wiring holes GS3000 Gas Detection Sensor Series Installation Guide...
- Page 3 Figure 6: Inserting the self-tapping screws Note: The device is reverse voltage-protected and will not operate if you connect it backwards. The device has a half-wave power supply so the supply common is the same as the signal common. Use caution when you wire multiple devices or when you ground the secondary of a transformer to ensure that the circuit ground point is the same on all devices...
- Page 4 Figure 8: Wiring diagram Figure 11: EOL termination resistor Figure 12: Remote GS3000 Series NO Sensor wiring Figure 9: Wiring for analog output Figure 10: Wiring for BACnet output Figure 13: Alarm relay connections Relay terminals have the designations NO, COM and NC. Each relay output is independent and isolated from the other and the relays COMs do not connect to the device COM.
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Page 5: Normal Operation
Normal operation Figure 14: Feed-through temperature sensor During normal operation, the installed sensor measurements display on the LCD. The analog outputs update with the appropriate values and alarm conditions are monitored. In normal operation, the sensors measure the gas concentration level in the surrounding air and output a proportional value on the analog output, which is scaled to the default range of 0 ppm to 300 ppm CO or 0 Figure 15: Transmitter with analog output... -
Page 6: Operation Alarms
Operation alarms Table 1: Operation alarms Start-up Normal Test Comm Comm CO ppm ppm > ppm > mode failure failure > buzzer strobe alarm 1 > buzzer with CO with NO setpoint setpoint setpoint setpoint sensor sensor Status LED Flashing Green Flashing Flash red... -
Page 7: Test Mode Operation
Strobe alarm fault function monitors the CO and NO sensor lifetime and indicates when you should replace either sensor. The The strobe alarm defaults to a 150 ppm CO trip point and device enters Fault Mode if it determines that the sensor 5 min delay time and you can program the strobe alarm in is at end-of-life (EOL) and that a replacement is necessary. - Page 8 Table 2: GS3000 Gas Detection Sensor Series setup menu Specification Requirements Description CO range Only if you install the CO sensor and the The factory default CO range is 0 ppm to output type is voltage or mA 300ppm. You can change the CO sensing range and output scale to 0 ppm to 100 ppm, 0 ppm to 150 ppm, 0 ppm to 300 pm, 0 ppm to 400 ppm, or 0 ppm to 500 ppm.
- Page 9 Table 2: GS3000 Gas Detection Sensor Series setup menu Specification Requirements Description CO strobe trip Only if you install the CO sensor The factory default setting is 150 ppm. The buzzer alarm trip point for CO may be set to OFF or from 20 ppm to 500 ppm in 10 ppm increments.
- Page 10 Table 2: GS3000 Gas Detection Sensor Series setup menu Specification Requirements Description Alarm 1 setpoint Press the UP or DOWN buttons to change the Alarm 1 setpoint within the limits. If you assign Alarm 1 to CO, the range is 20 ppm to 500 ppm in 10 ppm increments, and the factory default is 50 ppm.
- Page 11 Table 2: GS3000 Gas Detection Sensor Series setup menu Specification Requirements Description Alarm 2 hysteresis Press the UP or DOWN buttons to change the Alarm 2 hysteresis within the limits. If you assign Alarm 2 to CO, the range is 10 ppm to 100 ppm in 5 ppm increments.
- Page 12 Table 2: GS3000 Gas Detection Sensor Series setup menu Specification Requirements Description CO Fault Mode timer Only if you install the CO Sensor The factory default setting is disable. Use the UP or DOWN buttons to set the CO Fault Mode timer to disable, 3, 4, 5, 6 years or reset.
- Page 13 Table 2: GS3000 Gas Detection Sensor Series setup menu Specification Requirements Description recal mode The default setting is 1 year. Use the UP or Only if you install the NO Sensor DOWN buttons to set the NO recalibration mode timer to disable, 1, 2, 3 years, or reset. When disabled, the device does not sound the buzzer or provide LCD and status LED indication when the NO...
- Page 14 Table 2: GS3000 Gas Detection Sensor Series setup menu Specification Requirements Description Display Use the UP or DOWN buttons to select either CO ppm, NO ppm, CO + NO , Temp, CO + Temp, NO + Temp, Status or None. •...
- Page 15 Table 2: GS3000 Gas Detection Sensor Series setup menu Specification Requirements Description CO zero calibration Only if you install the CO Sensor This item is for zero calibration of the CO sensor. Ensure the sensor is in clean air. Press and hold the UP button for 3 s to initiate the calibration process.
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Page 16: Technical Specifications
Network setup guide The network setup guide describes the implementation of the BACnet protocol. The network setup guide assists control system programmers who may need to add support to their systems to communicate with this device. BACnet setup guide downloads are available online. Technical specifications Table 3: GS3000 Gas Detection Sensor Series technical specifications Specification... - Page 17 The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these specifications, consult the local Johnson Controls office. Johnson Controls shall not be liable for damages resulting from misapplication or misuse of its products.
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Page 18: Product Warranty
CHINA Contact information Contact your local branch office: www.johnsoncontrols.com/locations Contact Johnson Controls: www.johnsoncontrols.com/contact-us © 2021 Johnson Controls. All rights reserved. All specifications and other information shown were current as of document revision and are subject to change without notice. www.johnsoncontrols.com...
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