ABB Endura AZ20 series

Endura AZ20 series probe
Combustion oxygen monitor 3 Mechanical Installation
10 IM/AZ20P–EN Rev. G
3.5.3 Pneumatic Connections for Probes without Restrictors
Fig. 3.8 AutoCal with Test Gas Air
and Optional Certified Test Gas
Fig. 3.9 AutoCal with 2 Certified Test Gases
Reference Air
Clean Dry Oil-free
Instrument Air In
10 Bar (145 psi) max.
Test Gas 1 1 Bar (15 psi)
Vent to Dry Area
(Unrestricted Flow)
Test Gas 2
(Optional)
5 µm / Oil Coalescing
Filter Regulator
*ABB
Flowmeter
*ABB
Flowmeter
**ABB
Flowmeter
*Flow set to 2.2 l/min (4.662 scfh) STP
**Flow set to 0.3 to 0.5 l/min (0.64 to 1.06 scfh) STP
1 Bar (15 psi)
AutoCal Probe
Test Gas 11 Bar (15 psi)
Vent to Dry Area
(Unrestricted Flow)
Test Gas 2
(Optional)
*ABB
Flowmeter
*ABB
Flowmeter
*Flow set to 2.2 l/min (4.662 scfh) STP
**Refer to page 36 for part numbers
1 Bar (15 psi)
Reference Air Pump**
Reference Air Supply
0.3 to 0.5 l/min
(0.64 to 1.06 scfh)
Preset Flow
AutoCal Probe
Fig. 3.10 Non-AutoCal with Test Gas Air
and Optional Certified Test Gas
Fig. 3.11 Non-AutoCal with 2 Certified Test Gases
Clean Dry Oil-free
Instrument Air in
10 Bar (145 psi) max.
Test Gas 1
Vent to Dry Area
(Unrestricted Flow)
Test Gas 2
(Optional)
1 Bar (15 psi)
5 µm / Oil Coalescing
Filter Regulator
**ABB
Flowmeter
***ABB
Flowmeter
*Shut-off valve for test gas runs >10 m (33 ft.)
**Flow set to 2.2 l/min (4.662 scfh) STP
***Flow preset to 0.3 to 0.5 l/min (0.64 to 1.06 scfh) STP
*Shut-off
Valve
1 Bar (15 psi)
3-Way Valve
Non-AutoCal Probe
Test Gas 1
1 Bar (15 psi)
Vent to Dry Area
(Unrestricted Flow)
Test Gas 2
(Optional)
**ABB
Flowmeter
*Shut-off valve for test gas runs >10 m (33 ft.)
**Flow set to 2.2 l/min (4.662 scfh) STP
***Refer to page 36 for part numbers
*Shut-off Valve
1 Bar (15 psi)
3-Way Valve
Reference
Air Pump***
Reference Air Supply
0.3 to 0.5 l/min
(0.64 to 1.06 scfh)
Preset Flow
Non-AutoCal Probe