Rki-instruments Digester Gas Monitor User Manual download pdf (Page 2)

Digester Gas Monitor Operator’s Manual

WARNING

Read and understand this instruction manual before operating

detector. Improper use of the detector could result in bodily harm

or death.

Periodic calibration and maintenance of the detector is essential

for proper operation and correct readings. Please calibrate and

maintain this detector regularly! Frequency of calibration

depends upon the type of use you have and the sensor types.

Typical calibration frequencies for most applications are between

3 and 6 months, but can be required more often or less often

based on your usage.

1 2 3 4 5 6 7 ... 95 96

Digester Gas Monitor 1
Operator’s Manual 1
Product Warranty 3
Table of Contents 4
Chapter 1: Introduction 7
~ Vac (AC voltage) 8
Specifications 9
Chapter 2: Description 11
Inlet and Exhaust Fittings 12
Internal Description 14
Display PCB 16
Main PCB 18
Termination Jumper 20
Flowmeters 22
Hydrophobic Filter 23
Water Trap 23
Solenoid Valves 23
Check Valves 23
Factory Wiring 24
Optional Horn/Strobe 25
Overview 28
See Modbus W iring 30
In C hapter9 30
AC In Terminal Strip 31
24V BATT 32
Connecting Recorders 33
Making Fitting Connections 34
Hose Barb Connections 37
Chapter 4: Operation 41
Battery Charging (Optional) 45
Alarm Indications 45
Alarm 1 Condition 47
Alarm 2 Condition 48
Alarm 3 Condition 49
Fail Condition 50
Flow Fail Condition 50
Low DC Power Condition 51
Chapter 5: Global Menu 53
Chapter 6: Configuration Menu 57
Do You Want To 59
Do More Channels? 59
Chapter 7: Input Setup Menu 63
CHANNEL(S): 1 65
%LEL 65
UP / DN then ENT / ESC 65
Chapter 8: Calibration Mode 67
Entering Calibration Mode 68
Calibration Timeout Setting 68
Performing a Calibration 69
Viewing Maximum Spans 72
Modbus System 74
Recommended Modbus Wiring 75
4-wire Modbus System 76
Modbus Menu 76
Supported Modbus Functions 78
Register 40048 83
Registers 40049 - 40052 83
Registers 40053 - 40055 83
Registers 40056 - 40057 83
Chapter 10: Maintenance 84
Troubleshooting 85
Sensor Replacement 88
Replacing the Oxygen Sensor 89
Replacing the H 89
S Sensor 89
Replacing the Air Filter 90
Replacing the Oil Mist Filter 92
Filter with Fittings Detached 93
Filter with Fittings Attached 93
Replacing the AC Fuses 94
Part No. Description 95

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Rki-instruments Digester Gas Monitor User Manual Page 2

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