ABB Endura AZ20 series

Endura AZ20 series probe
Combustion oxygen monitor 3 Mechanical Installation
IM/AZ20P–EN Rev. G 9
3.5.2 Pneumatic Connections for Probes with Restrictors
Fig. 3.4 AutoCal with Test Gas Air
and Optional Certified Test Gas
Fig. 3.5 AutoCal with 2 Certified Test Gases
Reference
Air
Clean Dry Oil-free
Instrument Air In
10 Bar (145 psi) max.
Test Gas 1
Vent to Dry Area
(Unrestricted Flow)
AutoCal Probe
Test Gas 2
(Optional)
5 µm / Oil Coalescing
Filter Regulator
1 Bar (15 psi)
1 Bar (15 psi)
Test Gas 1
Vent to Dry Area
(Unrestricted Flow)
AutoCal Probe
Test Gas 2
(Optional)
1 Bar (15 psi)
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
*Refer to page 36 for part numbers
Fig. 3.6 Non-AutoCal with Test Gas Air
and Optional Certified Test Gas
Fig. 3.7 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)
5 µm / Oil Coalescing
Filter Regulator
Non-AutoCal Probe
*Shut-off
Valve
*Shut-off valve for test gas runs >10 m (33 ft.)
1 Bar (15 psi)
1 Bar (15 psi)
3-Way Valve
Reference
Air
Reference
Air Pump**
Reference Air Supply
0.3 to 0.5 l/min
(0.64 to 1.06 scfh)
Preset Flow
Test Gas 1
Vent to Dry Area
(Unrestricted Flow)
Test Gas 2
(Optional)
Non-AutoCal Probe
*Shut-off
Valve
*Shut-off valve for test gas runs >10 m (33 ft.)
**Refer to page 36 for part numbers
1 Bar (15 psi)
1 Bar (15 psi)
3-Way
Valve