ENMET ISA-200-RAL (O) - Manual (Page 2)

Table of Contents
1.0 I NTRODUCTION ................................................................................................................................1
1.1 Unpack................................................................................................................................................................................ 1
1.2 Check Order....................................................................................................................................................................... 1
1.3 Serial Numbers .................................................................................................................................................................. 1
2.0 I NSTRUMENT F EATURES ...................................................................................................................2
2.1 Exterior Features ............................................................................................................................................................... 2
2.2 Display Panel Features ..................................................................................................................................................... 2
2.3 Circuit Board Features ..................................................................................................................................................... 4
2.3 Power Supply ..................................................................................................................................................................... 4
3.0 I NSTALLATION ................................................................................................................................5
3.1 Mounting of Instrument ................................................................................................................................................... 5
3.2 Sample Air Supply ............................................................................................................................................................ 6
3.3 Power Supply ..................................................................................................................................................................... 6
3.4 Outputs ................................................................................................................................................................................ 6
3.4.1 Relay Contacts .......................................................................................................................................................6
3.4.2 Optional 4-20mA Outputs ....................................................................................................................................7
3.5 Initial Calibration .............................................................................................................................................................. 7
4.0 O PERATION ....................................................................................................................................8
4.1 Normal Operation Condition........................................................................................................................................... 8
4.2 Alarm Set Points ............................................................................................................................................................... 8
4.3 Alarm Latching.................................................................................................................................................................. 8
4.4 Audio Defeat ...................................................................................................................................................................... 9
4.5 Display ................................................................................................................................................................................ 9
4.6 Operational Menu.............................................................................................................................................................. 9
4.7 Fault Indications................................................................................................................................................................ 9
4.7.1 Low Flow Indication .............................................................................................................................................9
4.7.2 Other Fault Indications........................................................................................................................................9
5.0 M AINTENANCE .............................................................................................................................. 10
5.1 Maintenance Menu ......................................................................................................................................................... 10
5.1.1 Key..........................................................................................................................................................................11
5.1.2 Automatic Zeroing ...............................................................................................................................................12
5.1.3 Calibration............................................................................................................................................................13
5.1.4 Select Alarm Set Points.......................................................................................................................................14
5.1.5 Set Latches ............................................................................................................................................................15
5.1.6 Set the Key ............................................................................................................................................................15
5.1.7 Exit .........................................................................................................................................................................15
5.2 Sensor Replacement........................................................................................................................................................ 16
5.2.1 CO Sensor .............................................................................................................................................................16
5.2.2 Oxygen Sensor......................................................................................................................................................16
5.3 Humidifier Tube.............................................................................................................................................................. 16
5.4 Flow Control Orifice....................................................................................................................................................... 16
5.5 Particulate Filter Replacement...................................................................................................................................... 16
6.0 R EPLACEMENT P ART N UMBERS ...................................................................................................... 18
7.0 WARRANTY............................................................................................................................... 19
A PPENDIX A....................................................................................................................................... 20