ENMET GSM-60 - 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 ............................................................................................................................. 1
2.1 Exterior Features .............................................................................................................................................. 1
2.2 Display Panel Features ..................................................................................................................................... 2
2.3 Circuit Board Features ...................................................................................................................................... 4
3.0 I NSTALLATION ........................................................................................................................................... 5
3.1 Mounting of Instrument .................................................................................................................................... 5
3.2 Power Supply ................................................................................................................................................... 6
3.3 Inputs / Outputs ................................................................................................................................................ 6
3.3.1 Sensor/Transmitter Connection .............................................................................................................. 7
3.3.2 Relay Contacts ........................................................................................................................................ 7
3.3.3 Optional 4-20mA Outputs....................................................................................................................... 8
3.4 Installation Verification .................................................................................................................................... 8
4.0 O PERATION ............................................................................................................................................... 9
4.1 Normal Operation Condition ............................................................................................................................ 9
4.2 Alarm Set Points ............................................................................................................................................... 9
4.3 Alarm Latching or Differential Settings ......................................................................................................... 10
4.4 Audio Defeat .................................................................................................................................................. 10
4.5 Display............................................................................................................................................................ 10
4.6 Operational Menu ........................................................................................................................................... 11
4.7 Fault Indications ............................................................................................................................................. 12
4.7.1 Low Flow Indication ............................................................................................................................ 12
4.7.2 Other Fault Indications ........................................................................................................................ 12
4.8 Hydrocarbon Sensor Response ....................................................................................................................... 12
5.0 M AINTENANCE ......................................................................................................................................... 13
5.1 Cleaning Instructions ...................................................................................................................................... 13
5.2 Maintenance Menu ......................................................................................................................................... 13
5.2.1 Accessing Maintenance Menu .............................................................................................................. 13
5.2.2 Maintenance Menu Flow Chart ............................................................................................................ 14
5.3 Calibration for CO, O
2,
HC and CO
2
(Gas Channels) ..................................................................................... 15
5.3.1
A Low Cal/ZeroCal Adjust..................................................................................................................... 16
5.3.1
B High Cal/SpanGas Adjust .................................................................................................................. 17
5.3.2 Set 4 –20mA Transmitter Scale ............................................................................................................ 17
5.3.3 Set Alarm Points ................................................................................................................................... 18
5.3.4 Set Alarm Delay.................................................................................................................................... 20
5.3.5 Relay Configuration ............................................................................................................................. 21
5.3.6 Failsafe Configuration ......................................................................................................................... 22
5.3.7 Set Output Span Range ......................................................................................................................... 22
5.3.8 Set New Password ................................................................................................................................ 23
5.3.9 Exit Maintenance Menu ........................................................................................................................ 23
5.4 Sensor Replacement ....................................................................................................................................... 24
5.4.1 Gas/Oxygen Sensor .............................................................................................................................. 24
5.4.2 Calibration/Sensor Replacement .......................................................................................................... 24
5.4.3
A Low Cal/ZeroCal Adjust..................................................................................................................... 26
5.4.4
B High Cal/SpanGas Adjust .................................................................................................................. 27
5.5 Flow Control Orifice ...................................................................................................................................... 27
6.0 T ECHNICAL D ATA AND S PECIFICATIONS ................................................................................................... 27
7.0 R EPLACEMENT P ART N UMBERS ............................................................................................................... 28
7.1 ENMET part numbers for sensors and replacement parts: .............................................................................. 28
7.2 ENMET part numbers for Calibration equipment: .......................................................................................... 28
8.0 WARRANTY ......................................................................................................................................... 29
A PPENDIX A: CO C HARACTERISTICS ............................................................................................................. 30