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Model 4501-XX Toxic Gas Sensor Module
TABLE OF CONTENTS
1. PRODUCT DESCRIPTION .............................................................................................................................1
1.1 GENERAL........................................................................................................................................................1
1.2 MOUNTING CONFIGURATION......................................................................................................................1
1.3 THEORY OF OPERATION..............................................................................................................................1
1.4 MECHANICAL .................................................................................................................................................2
1.4.1 ENCLOSURE ...........................................................................................................................................2
1.4.2 TRANSMITTER ELECTRONICS .............................................................................................................2
1.4.3 SENSOR ASSEMBLY..............................................................................................................................2
1.5 INTERCONNECT WIRING..............................................................................................................................2
1.6 POWER REQUIREMENTS .............................................................................................................................2
2. CAUTIONS & WARNINGS..............................................................................................................................4
2.1 INTRODUCTION .............................................................................................................................................4
2.2 GAS SENSOR MODULES - GENERAL.........................................................................................................4
2.3 WIRING............................................................................................................................................................4
2.4 CALIBRATION FREQUENCY.........................................................................................................................4
3. QUICK START.................................................................................................................................................5
3.1 OVERVIEW......................................................................................................................................................5
3.2 WIRING............................................................................................................................................................5
3.3 MODULE INSTALLATION...............................................................................................................................5
3.4 TRANSMITTER INSTALLATION ....................................................................................................................5
3.5 START-UP & OPERATION .............................................................................................................................5
3.6 ZERO STABILIZATION ...................................................................................................................................5
4. INSTALLATION ...............................................................................................................................................6
4.1 SENSOR MODULE LOCATIONS ...................................................................................................................6
4.2 WIRING............................................................................................................................................................6
4.3 ENCLOSURE INSTALLATION........................................................................................................................6
4.4 TRANSMITTER AND SENSOR INSTALLATION ...........................................................................................7
5. OPERATION....................................................................................................................................................8
5.1 INTRODUCTION .............................................................................................................................................8
5.2 DATA ENTRY KEYPAD ..................................................................................................................................8
5.3 MAIN MENU ....................................................................................................................................................9
5.4 MAINTENANCE SUB-MENU ........................................................................................................................10
5.5 DIAGNOSTICS SUB-MENU..........................................................................................................................11
5.5.1 Notes ......................................................................................................................................................12
6. CALIBRATION...............................................................................................................................................13
6.1 CALIBRATION FREQUENCY.......................................................................................................................13
6.2 CALIBRATION PREPARATION....................................................................................................................13
6.2.1 CALIBRATION GAS DELIVERY METHODS.........................................................................................13
CALIBRATION PROCEDURE..................................................................................................................................13
6.2.2 SENSOR EXPOSURE TO GAS.............................................................................................................13
7. SERVICE .......................................................................................................................................................15
7.1 SENSOR MODULE CONFIGURATION........................................................................................................15
7.2 ENCLOSURE REPLACEMENT ....................................................................................................................15
7.3 TRANSMITTER REPLACEMENT.................................................................................................................16
7.4 SENSOR REPLACEMENT............................................................................................................................16
INSTALLATION INSPECTION.................................................................................................................................16
7.4.1 CONTROLLER INSTALLATION ............................................................................................................16
Contents