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GA-170
Gas Detector
Operation Manual
Table of Contents
I. Installation and Operation
A. Start Up and Installation ...........................................................................3
B. Alarms and Output Signals .......................................................................4
C. Operation Screens .....................................................................................6
D. Battery Backup ..........................................................................................7
II. Configuration of Parameters
A. Entering Setup ...........................................................................................8
B. Configuring Each Channel ........................................................................8
III. Troubleshooting
A. Installation Check ...................................................................................11
B. Symptoms, Likely Causes, and Suggested Responses ............................11
C. Explanation of Suggested Responses ......................................................12
Figures
1a. Sensor Installation (heavy gases) ............................................................3
1b. Sensor Installation (light gases) ..............................................................3
2. Remove Calibration Cap .........................................................................3
3. Bump Testing ..........................................................................................4
4. Operation Mode Screens .........................................................................6
5. Setup Mode Screens ................................................................................9
6. Calibration Cap .....................................................................................10
7. Sensor and Calibration Kit ....................................................................10
8. Ordering Information ............................................................................10
9. GA-170 Circuit Board ...........................................................................13
10. GA-170 Wiring Connections .................................................................14
11. Connection of External Alarm Light and Horn .....................................15
12. GA-170 4-20mA output wiring diagram ...............................................16
13. Sensor Monitor Communication ...........................................................17
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