Information INF09/027 Rev. D
Endura AZ20 oxygen monitor
Pumped reference air unit
1 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
4 pump models are available – see Table 1.1:
The internal air filter is a replaceable item (ABB part
number 0217463).
2 Safety
Information in this document is intended only to assist our
customers in the efficient operation of our equipment. Use of this
manual for any other purpose is specifically prohibited and its
contents are not to be reproduced in full or part without prior
approval of the Technical Publications Department.
2.1 Safety precautions
Please read the entire document before unpacking, setting up, or
operating this pump.
Pay particular attention to all warning and caution statements.
Failure to do so could result in serious injury to the operator or
damage to the equipment.
To ensure the protection provided by this equipment is not
impaired, do not use or install this equipment in any manner other
than that which is specified in this manual.
2.2 Health & Safety
Note.
The pump cannot be used with multiple probes
simultaneously.
Description
ABB Part Number
1
/
4
BSP (Metric) 230 V AC 50 / 60 Hz
AZ200 770
1
/
4
BSP (Metric) 115 V AC 50 / 60 Hz
AZ200 771
1
/
4
NPT (Imperial) 230 V AC 50 / 60 Hz
AZ200 772
1
/
4
NPT (Imperial) 115 V AC 50 / 60 Hz
AZ200 773
Table 1.1 ABB Pumped Reference Air Unit Part Numbers
To ensure that our products are safe and without risk to health,
the following points must be noted:
The relevant sections of these instructions must be read
carefully before proceeding.
Warning labels on containers and packages must be
observed.
Installation, operation, maintenance and servicing must
only be carried out by suitably trained personnel and in
accordance with the information given.
Normal safety precautions must be taken to avoid the
possibility of an accident occurring when operating in
conditions of high pressure and / or temperature.
Safety advice concerning the use of the equipment described
in this manual or any relevant Material Safety Data Sheets
(where applicable) may be obtained from the Company address
on the back cover, together with servicing and spares
information.
