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ABB Endura AZ20 series Maintenance Guide
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Maintenance Guide IM
/AZ20M–EN Rev
. B
Endura AZ20 series pr
obe
Combustion oxygen monitor
2
Table of Contents
Default Chapter
3
Table of Contents
3
1 Safety
5
Health & Safety
5
Symbols - CEI / IEC 61010-1:2001-2
5
Electrical Safety - CEI / IEC 61010-1:2001-2
5
Product Recycling Information
6
Product Disposal
6
Restriction of Hazardous Substances (Rohs)
6
Safety Precautions
6
Safety Conventions
6
Safety Recommendations
7
Service and Repairs
7
Potential Safety Hazards
7
2 Introduction
7
3 Troubleshooting - Quick Checks
8
Equipment Required
8
Pre-Check Requirements
8
Checking the Heater Resistance
9
Checking the ACJC Resistance (AZ20 Probe Only)
10
Checking the Cell Isolation
10
4 Troubleshooting - Functional Checks
11
Equipment Required
11
Thermocouple / Electrode Assembly Functional Checks
11
Checking Cell Output Voltage
12
Cell Function Check
13
Detailed Cell Accuracy Check
13
System Functional Check
14
5 Dismantling and Reassembly - Probe
15
Before Removing / Replacing the Probe
15
Before Dismantling a Probe
15
Preparation
15
Tools Required
15
Replacement Kits and Spares
15
Removing / Refitting an Integral Probe
16
Removing / Refitting a Remote Probe
16
Replacing the End Cap and Seal
17
Removing the End Cap
17
Fitting a New End Cap
17
Replacing the Diffuser Flame Arrestor and / or Cell
18
Removing the Diffuser Flame Arrestor
18
Removing the Cell and C-Ring
18
Fitting a New C-Ring and Cell
20
Fitting the Diffuser Flame Arrestor
20
Replacing the Thermocouple / Electrode Assembly
22
Removing the Thermocouple / Electrode Assembly
22
Fitting a New Thermocouple / Electrode Assembly
24
Replacing the Heater Assembly
26
Removing the Heater Assembly
26
Dismantling the Heater Assembly
28
Assembling the New Heater Assembly
29
Fitting the New Heater Assembly
30
Fitting Autocal as an Upgrade
32
Accessing the Autocal Mounting Plate
32
Fitting an Autocal Assembly
33
Replacing / Fitting Restrictors
36
Replacing the PT1000 Temperature Sensor
37
6 Dismantling and Reassembly - Transmitter
38
Replacing the Transmitter Cartridge
38
Replacing the Remote Transmitter Cartridge
38
Replacing the Integral Transmitter Cartridge
39
Replacing the Integral Transmitter Backplane
40
Removing the Backplane
40
Fitting a New Backplane
40
Replacing the Remote Transmitter Backplane
41
Removing the Backplane
41
Fitting a New Backplane
41
Probe Cable Connections to Remote Transmitter
42
Power Supply and Output Connections to Remote Transmitter
43
Illustrated Parts List – Probe
44
7 Illustrated Parts List - Probe
45
Cell Assembly
45
Thermocouple / Electrode Assembly
46
PT1000 Temperature Sensor
46
Heater Assembly
46
8 Illustrated Parts List - Transmitter
47
Cartridge
47
AZ20 Integral (Type 3) Probe Backplane
47
AZ20 Remote (Type 4) Probe Backplane
47
Appendix A - Connection Diagrams
48
AZ20 Integral Probe
48
AZ20 Remote Probe
49
Appendix B - Probe Electrical Connections
50
AZ20 Probe Transmitter Cable Connections
50
AZ20/ZFG2 Replacement Probe Transmitter Cable Connections
50
Autocal Connections at AZ20 Probe
51
Autocal Pressure Switch Connections
52
Autocal Solenoid Valve Terminal Connections
52
Other manuals for ABB Endura AZ20 series
User Guide
40 pages
Instructions
8 pages
5
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ABB Endura AZ20 series Specifications
General
Brand
ABB
Model
Endura AZ20 series
Category
Measuring Instruments
Language
English
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