ABB Endura AZ20 series, Instruction

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A B B ME A SUR EMENT & A N A LY TIC S | INSTRUC TION | INF0 9/0 2 7- EN R E V. F
Endura AZ20, AZ25, AZ30
Reference air pump
Pumped reference air unit
Measurement made easy
Introduction
This publication details the installation, connection
and maintenance of an ABB Pumped Reference Air
Unit. This pump supplies reference air to any of the
following ABB oxygen probes:
• AZ20, AZ25, AZ20/ZFG2 replacement,
ZFG2 and ZGP2
Note . The pump cannot be used with multiple
probes simultaneously.
Pumped reference air unit models
4 pump models are available – see Table 1:
Description Part No.
1/4 BSP (Metric) 230 V AC 50/60 Hz AZ200 770 AZ200 770
1/4 BSP (Metric) 115 V AC 50/60 Hz AZ200 771 AZ200 771
1/4 NPT (Imperial) 230 V AC 50/60 Hz AZ200 772 AZ200 772
1/4 NPT (Imperial) 115 V AC 50/60 Hz AZ200 773
Table 1 ABB pumped reference air unit part numbers
Spares/replaceable items
Description Part No.
Air pump – pre-2016: 230 V, 60 Hz AZ200 768
Air pump – pre-2016: 115 V, 60 Hz AZ200 769
Air pump – post-2016: 230 V, 60 Hz AZ200 755
Air pump – post-2016: 115 V, 60 Hz AZ200 756
Pre-2106 to post-2016 upgrade kit: 230 V, 60 Hz AZ200 748
Pre-2106 to post-2016 upgrade kit 115 V, 60 Hz AZ200 749
Internal air filter 0217463
Table 2 Spares/replaceable items
For more information
Further information is available from:
www.abb.com/analytical
or by scanning these codes:
Sales Service
Pumped reference
air unit