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Table 2: GS3000 Gas Detection Sensor Series setup menu

Specification

Requirements

Description

NO

2

 recal mode

Only if you install the NO

2

 Sensor

The default setting is 1 year. Use the 

UP

 or

DOWN

 buttons to set the NO

2

 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

2

 sensor requires

recalibration.

When set to 1, 2 or 3 years, the ReCal alarm

activates to indicate that the NO

2

 sensor

requires recalibration. If set to reset and you

press the 

MENU

, the ReCal condition for

the NO

2

 sensor clears, the NO

2

 ReCal timer

resets, and the NO ReCal mode remains at

the previous setting. The timer automatically

resets if you replace the NO

2

 sensor. If the

preferred time has already been exceeded,

you cannot select it. If the NO

2

 sensor is

calibrated with gas through the 

MENU

, the

timer automatically resets.

Alarm mode

The default setting is Auto. Use the 

UP

or 

DOWN

 buttons to set the Alarm Mode

to Auto or Manual. This setting controls

how Alarm 1, Alarm 2, and the buzzer

alarm resets back to normal mode. For the

Auto setting, the device resets the alarms

automatically once the gas level drops below

the set alarm thresholds.

For the manual setting, the gas level must

be below the alarm thresholds and you must

press the 

TEST

 switch on the device to reset

the alarms.

CO zero filter

Only if you install the CO sensor

Use the 

UP

 or 

DOWN

 buttons to turn ON or

OFF the CO zero filter. When ON, the device

filters low ppm readings such that 0 ppm to

5 ppm CO displays and output 0 ppm. When

OFF, 0 ppm to 5 ppm displays and output

actual 0 ppm to 5 ppm. The factory default

setting is ON.

Note: 

The zero filter is automatically

disabled when performing a CO gas

calibration.

NO

2

 zero filter

Only if you install the NO

2

 sensor

Use the 

UP

 or 

DOWN

 buttons to turn ON or

OFF the NO

2

 zero filter. When ON, the device

filters low ppm readings such that 0 ppm

to 0.5 ppm NO

2

 displays and output 0 ppm.

When OFF, 0 ppm to 0.5 ppm displays and

output actual 0 ppm to 0.5 ppm. The default

setting is ON.

Note: 

The zero filter automatically

disables when performing a NO

2

 gas

calibration.

GS3000 Gas Detection Sensor Series Installation Guide

13

Содержание GS3000

Страница 1: ...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 i...

Страница 2: ...ons of wiring holes 5 To wire the connections see Figure 9 and Figure 10 6 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 Remote NO2 mounting About this task Mount the remote NO2 sensor within 10 ft 3 m of the main enclos...

Страница 3: ...re a loop power supply The sensor generates the signal current and you must not connect the outputs to a powered input or device damage will result 3 The analog output signals connect directly to the Building Automation System BAS for use as control parameters See Figure 9 4 If the device includes a BACnet connection use a twisted shielded pair to connect to the terminals marked A B and SHLD SHIEL...

Страница 4: ...rm C type with both a normally open NO and a normally closed NC contact You can connect the relay contacts to controller Digital Inputs DI to monitor the status or use the relay contacts to directly control an alarm or ventilation fan Do not exceed the device contact ratings For example in certain cases you can use a separate control relay between the sensor relay and a large fan 7 A temperature s...

Страница 5: ...l 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 ppm to 10 ppm NO2 Order the temperature sensor as a feed through with different sensor options or as a transmitter When configured as a transmitter the output signal is scaled 4 mA to 20 mA 0 VDC to ...

Страница 6: ...e every 10 min Press the TEST switch to silence the buzzer Figure 20 LCD alarm conditions Automatic alarm reset Program the trip point hysteresis and delay time of each alarm through the Menu For example Alarm 1 defaults to a 50 ppm CO trip point 10 ppm hysteresis and 2 min delay time Alarm 2 defaults to a 150 ppm CO trip point 20 ppm hysteresis and 2 min delay time You can change all of these val...

Страница 7: ...tion The Fault Mode function is disabled by default and you enable Fault Mode through the Menu to operate The fault function monitors the CO and NO2 sensor lifetime and indicates when you should replace either sensor The device enters Fault Mode if it determines that the sensor is at end of life EOL and that a replacement is necessary This causes the status LED to blink red and the buzzer to beep ...

Страница 8: ...rate as a CO alarm an NO2 alarm or both depending on the trip point settings If set to OFF the CO buzzer alarm does not operate as a CO alarm CO buzzer delay Only if you install the CO sensor The factory default setting for the CO buzzer delay is 5 min You can set the CO buzzer delay from 0 to 10 min in 1 min increments This is only available if the CO buzzer trip is enabled and not set to OFF NO2...

Страница 9: ...the NO2 sensor The factory default setting is 2 ppm The strobe alarm trip point for NO2 may be set to OFF or from 1 ppm to 10 ppm in 1 ppm increments The strobe may operate as a CO alarm a NO2 alarm or both depending on the trip point settings If set to OFF the strobe does not operate as a NO2 alarm NO2 strobe delay Only if you enable the strobe you install the NO2 and the NO2 Strb Trip is not set...

Страница 10: ...gle the available options Relay 1 operation may be set to direct or reverse Direct operation means that the relay is normally not energized and energizes on an alarm condition the NO or NC PCB designations are correct Reverse operation means that the relay is normally energized and de energizes on an alarm condition the NO or NC PCB designations are reversed Use reverse operation for Fail Safe ope...

Страница 11: ...energized and de energizes on an alarm condition the NO or NC PCB designations are reversed Reverse operation can be used for Fail Safe operation as the relay changes state on power loss The default setting is direct Relay 2 test Use the UP or DOWN buttons to toggle Relay 2 ON or OFF to test the relay operation Press MENU to reset to OFF Test Mode Use the UP or DOWN buttons to disable or enable th...

Страница 12: ... the NOsensor reaches end of life When set to 1 2 3 or 4 years the fault alarm activates to indicate that the NO2 sensor life is exceeded If set to reset and you press the MENU the fault condition for the NO2 sensor clears the NO2 lifetime timer is reset and NO2 Fault Mode remains at the previous setting The timer is automatically reset if the NO2 sensor is replaced If the required time has alread...

Страница 13: ...nual This setting controls how Alarm 1 Alarm 2 and the buzzer alarm resets back to normal mode For the Auto setting the device resets the alarms automatically once the gas level drops below the set alarm thresholds For the manual setting the gas level must be below the alarm thresholds and you must press the TEST switch on the device to reset the alarms CO zero filter Only if you install the CO se...

Страница 14: ...u install both sensors the default is CO NO2 For status the normal display is CO detector NO2 detector or CO and NO2 detector as applicable If set to None this forces the backlight to Auto but the test function still causes the LCD to display while in test mode Backlite Use the UP or DOWN buttons to select the LCD backlight operation as Auto OFF or ON Auto means the backlight only operates when yo...

Страница 15: ...iate the calibration process When the calibration is complete the display indicates DONE Then press the MENU to advance to the next selection A NO2 zero calibration counter increments every time you perform this step The NO2 ReCal timer resets whenever you perform this step NO2 span calibration Only if you install the NO2 Sensor This item is for span calibration of the NO22 sensor Apply 10 ppm NO2...

Страница 16: ...8400 57600 76800 or 115200 Network interface MAC address range 0 to 255 factory default is 1 128 devices maximum on one daisy chain Current consumption 425 mA at 24 VAC maximum 220 mA at 24 VDC maximum test mode Output drive capabilities Current 550 ohm maximum Voltage 10K ohm minimum Ambient operating range 4 F to 122 F 20 C to 50 C 15 RH to 90 RH noncondensing 0 9 atm to 1 1 atm Storage temperat...

Страница 17: ...e weight Including sensor pods 0 24 lbs 109 g Wiring connections Screw terminal block 14 AWG to 22 AWG Top or bottom conduit entry 0 875 in 22 73 mm hole Country of origin Canada Compliance Manufactured in an ISO 9001 Registered Quality System CE Mark Johnson Controls declares that this product is in Compliance with the essential requirements and other relevant provisions of the EMC Directive The ...

Страница 18: ...an agreement to such terms Patents Patents https jcipat com Single point of contact APAC Europe NA SA JOHNSON CONTROLS C O CONTROLS PRODUCT MANAGEMENT NO 32 CHANGJIJANG RD NEW DISTRICT WUXI JIANGSU PROVINCE 214028 CHINA JOHNSON CONTROLS WESTENDHOF 3 45143 ESSEN GERMANY JOHNSON CONTROLS 507 E MICHIGAN ST MILWAUKEE WI 53202 USA Contact information Contact your local branch office www johnsoncontrols...

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