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Endura AZ20 series probe
Combustion oxygen monitor
Appendix B – Endura AZ20/ZFG2 Replacement Probe
IM/AZ20P–EN Rev. G
31
B.1 Endura AZ20/ZFG2 Replacement Probe Conduit Electrical Connections
B.1.1 Electrical Connections
Referring to Fig. B.2:
1. Unscrew and remove probe end cap
A
.
2. Pass conduit
B
through probe entry gland
C
taking
care not to disturb the probe’s internal wiring
D
.
3. Tighten cable gland
C
.
4. Make connections
E
to colored terminal plug
connections as shown in Table B.1:
5. Make reference air connections as detailed in Appendix
B.1.2, page 32.
Important.
For removal of the existing ZFG2 probe (complete with
its conduit assembly) and installation of the Endura
AZ20/ZFG2 replacement probe, refer to the ZFG2
probe manual (this manual can be downloaded from
the ABB web site at (www.abb.com) or by clicking the
following link:
).
The Endura AZ20/ZFG2 replacement probe must be
installed using the new conduit supplied with the
probe.
Terminal / Cable
Color
Tag ID
Connection
Violet
Not Used
Grey
Red
Cell +
Oxygen Input (+ve)
Blue
Cell –
Oxygen Input (–ve)
White
TC+
Thermocouple (+ve)
Blue
TC –
Thermocouple (–ve)
Braid
Cell SCN
Screen
Brown
H
Heater
Blue
H
Heater
Table B.1 Probe Transmitter Cable Connections
Fig. B.2 Endura AZ20/ZFG2 Replacement Probe –
Conduit Electrical Connections
C
A
B
D
E
Colored Terminal
Plug connections
Summary of Contents for Endura AZ20 series
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