Combustion Oxygen Monitor
Endura AZ20 Series Probe Contents
2 IM/AZ20M–EN Rev. B
7 Illustrated Parts List – Probe ........................................42
7.1 Cell Assembly .........................................................43
7.2 Diffuser Flame Arrestor ...........................................43
7.3 C-ring Kit ................................................................43
7.4 AutoCal Assembly .................................................43
7.4.1 AutoCal Upgrade Assembly ........................43
7.4.2 AutoCal Refurbishment Kit ..........................43
7.5 AZ20 and AZ20/ZFG2 End Cap Replacement Kit ...43
7.6 Heater Assembly ...................................................44
7.6.1 AZ20 Probe Heater (190 W) ........................44
7.6.2 AZ20/ZFG2
Replacement Probe Heater (25 W) ..............44
7.7 Thermocouple / Electrode Assembly .....................44
7.8 Restrictor Kit ..........................................................44
7.9 PT1000 Temperature Sensor .................................44
8 Illustrated Parts List – Transmitter ...............................45
8.1 Cartridge ...............................................................45
8.2 AZ20 Integral (Type 3) Probe Backplane .................45
8.3 AZ20 Remote (Type 4) Probe Backplane ...............45
Appendix A – Connection Diagrams .................................46
A.1 AZ20 Integral Probe ...............................................46
A.2 AZ20 Remote Probe ...............................................47
Appendix B – Probe Electrical Connections ....................48
B.1 AZ20 Probe Transmitter Cable Connections ...........48
B.2 AZ20/ZFG2 Replacement Probe
Transmitter Cable Connections ..............................48
B.3 AutoCal Connections at AZ20 Probe ......................49
B.4 AutoCal Pressure Switch Connections ...................50
B.5 AutoCal Solenoid Valve Terminal Connections ........50
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