Autocal System Without Restrictors; Non-Autocal System With Restrictors - ABB Endura AZ25 Series User Manual

Endura AZ25 series probe
Combustion oxygen monitor

5.2.2 AutoCal System without restrictors

To set up an AutoCal system without restrictors:
1. Make test gas and reference air connections as detailed in
Section 3.5.5, page 12 (remote transmitter).
2. Turn on Test Gas 1 and set the pressure to a nominal
1 bar (15 psi).
3. At the transmitter, check the Calibrate / AutoCal Hardware
/ Hardware Type parameter is Internal.
4. At the transmitter, open the
Calibrate / AutoCal Hardware / Valve Manual Control /
Test Gas 1
and pressing
A small icon is displayed to indicate the valve is in the
Open position:
Valve icon
'Open' position
5. Fine tune Test Gas 1 pressure to 1 bar (15 psi) and set the
flow on the flowmeter to 1 l/min (2.118 scfh).
6. Turn gas off at the transmitter by pressing
Test Gas 1 off at the supply.
7. Repeat steps 2 to 6 for Test Gas 2 (if present).
8. Refer to IM/AZ20E-EN to perform a calibration when
required.
30
Test Gas 1 valve by selecting:
' '
to open the valve.
Valve icon
'Closed' position
, then turn

5.2.3 Non-AutoCal System with restrictors

To set up an Non-AutoCal system with restrictors:
1. Make test gas and reference air connections as detailed in
Section 3.5.7, page 14 (remote transmitter).
Note. Test Gas 1 and 2 connections are made to
the probe's external Test Gas 1 (TG1) connection
manually – see Section 3.5.7, page 14.
2. Turn on Test Gas 1 and adjust the pressure to
1 bar (15 psi).
3. Turn Test Gas 1 off at the supply.
4. Repeat steps 2 to 4 for Test Gas 2 (if present), connect the
Test Gas 2 line to the probe's external TG1 connection.
5. Refer to IM/AZ20E-EN to perform a calibration when
required.
5 Start-up and operation
OI/AZ25P–EN Rev. E