ENMET MedAir 2000 - Manual (Page 3)

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
2.4 Power Supply ...................................................................................................................................................4
2.5 Dew Point Sensor .............................................................................................................................................4
2.6 Dew Point Circuit.............................................................................................................................................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.............................................................................................................................................10
4.7.1 Low Flow Indication ............................................................................................................................10
4.7.2 Other Fault Indications........................................................................................................................10
4.8 Dew Point Sensor Response...........................................................................................................................10
5.0 M AINTENANCE ........................................................................................................................................ 11
5.1 Maintenance Menu .........................................................................................................................................11
5.1.1 Key .......................................................................................................................................................12
5.1.2 Automatic Zeroing................................................................................................................................13
5.1.3 Calibration ...........................................................................................................................................14
5.1.4 Select Alarm Set Points ........................................................................................................................15
5.1.5 Set Latches ...........................................................................................................................................16
5.1.6 Set the Key............................................................................................................................................16
5.1.7 Exit .......................................................................................................................................................16
5.2 Sensor Replacement .......................................................................................................................................17
5.2.1 CO Sensor ............................................................................................................................................17
5.2.2 Oxygen Sensor......................................................................................................................................17
5.3 Humidifier Tube.............................................................................................................................................17
5.4 Dew Point Sensor ...........................................................................................................................................17
5.5 Flow Control Orifice ......................................................................................................................................17
5.6 Particulate Filter Replacement .......................................................................................................................17
6.0 R EPLACEMENT P ART N UMBERS .............................................................................................................. 19
7.0 WARRANTY......................................................................................................................................... 20
A
PPENDIX A ................................................................................................................................................. 21