Enmet ISA-44-RALE-OD Manual de usuario descargar pdf (Pagina 3)

Table of Contents

1.0 INTRODUCTION................................................................................................................................1

1.1 Unpack.................................................................................................................................................................................2

1.2 Check Order........................................................................................................................................................................2

1.3 Serial Numbers ...................................................................................................................................................................2

1.3 Calibration Explained for the ISA-44RALE-OD..........................................................................................................4

1.4 Special Characteristics ......................................................................................................................................................5

1.5 Calibration Explained for the ISA-44E-OD...................................................................................................................5

2.0 FEATURES OF ISA-44RALE-OD / ISA-44E-OD .................................................................................6

3.0 INSTALLATION AND WARM -UP .........................................................................................................10

3.1 Sensor Location for ISA-44E-OD .................................................................................................................................10

4.0 OPERATION..................................................................................................................................14

4.1 Operation of the ISA-44RALE-OD...............................................................................................................................14

4.3 Operating Alarm Conditions..........................................................................................................................................15

5.0 ROUGH TEST ................................................................................................................................17

5.1 ISA-44RALE-OD.............................................................................................................................................................17

5.2 Rough Test ISA-44E-OD................................................................................................................................................18

6.0 CALIBRATION ...............................................................................................................................19

6.1 CO Channel Calibration..................................................................................................................................................20

6.2 Oxygen Channel Calibration..........................................................................................................................................21

6.3 Routine Gas Test and Recalibration ISA-44E-OD.....................................................................................................22

6.3.1 Routine Gas Test..................................................................................................................................................23

6.3.2 Recalibration Procedure....................................................................................................................................24

6.3.3 Precautions...........................................................................................................................................................24

7.0 REPLACEMENT PROCEDURES..........................................................................................................25

7.1 Sensor Replacement ISA-44RALE-OD .......................................................................................................................25

7.2 LED Replacement............................................................................................................................................................26

7.3 Intrinsic Safety Barrier Replacement............................................................................................................................27

7.4 Sensor Hook-Up and Replacement for ISA-44E-OD................................................................................................27

7.5 Sensor Heater Voltage.....................................................................................................................................................28

7.6 Sensor Assembly Replacement......................................................................................................................................28

7.7 Hydrocarbon Filter Replacement...................................................................................................................................28

8.0 REPLACEMENT PART NUMBERS ......................................................................................................29

9.0 SPECIFICATIONS ...........................................................................................................................29

10.0 WARRANTY.............................................................................................................................30

List of Illustrations

TABLE 1: GRADE D BREATHING AIR....................................................................................................................4

FIGURE 1: FEATURES ISA-44E-OD CONTROL UNIT DISPLAY PLATE........................................................................6

FIGURE 2: FEATURES SAMPLE HEAD ASSEMBLY...................................................................................................8

FIGURE 3: FEATURES TERMINAL ENCLOSURE WITH SENSORS & CONTROL UNIT........................................................8

TABLE 2: SENSOR LOCATION ...........................................................................................................................10

FIGURE 4: INTERIOR TERMINAL ENCLOSURE.......................................................................................................12

TABLE 3: WIRING INFORMATION TERMINAL ENCLOSURE.......................................................................................12

FIGURE 5: VIEW OF TERMINAL PLATE................................................................................................................13

TABLE 4: WIRING INFORMATION TERMINAL PLATE...............................................................................................13

FIGURE 6: CALIBRATION FIXTURE WITH SAMPLE HEAD ASSEMBLY ........................................................................17

FIGURE 7: CONTROL UNIT CO CHANNEL ...........................................................................................................20

FIGURE 8: CONTROL UNIT OXYGEN CHANNEL .....................................................................................................21

FIGURE 9: CALIBRATION ADAPTER ISA-44E-OD ................................................................................................22

TABLE 5: ROUTINE GAS TEST TIMETABLE..........................................................................................................23

FIGURE 10: MOS SENSOR ASSEMBLY, CUT AWAY VIEW .....................................................................................25

FIGURE 11: OXYGEN CELL ENCLOSURE.............................................................................................................26

FIGURE 12A: OXYGEN CELL ENCLOSURE ..........................................................................................................27

FIGURE 12B: MOS SENSOR ENCLOSURE ..........................................................................................................27

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Enmet ISA-44-RALE-OD Manual de usuario Pagina 3

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