ABB Endura AZ20 series

Combustion Oxygen Monitor
Endura AZ20 Series Probe 5 Dismantling and Reassembly – Probe
IM/AZ20M–EN Rev. B 35
5.12 Replacing the PT1000 Temperature Sensor
Before fitting the PT1000 sensor:
 Ensure a PT1000 sensor is available – refer to Section 7.8,
page 44.
 Remove the probe from its mounting as detailed in
Section 5.4, page 14 (integral probe) or Section 5.5, page
14 (remote probe).
 Remove the probe end cap as detailed in Section 5.6.1,
page 15.
Referring to Fig. 5.20:
1. Loosen the 2 ACJC connection terminal block screws
A
(violet and grey terminal label) and remove existing
PT1000 sensor
B.
2. Connect the new PT1000 to the terminal block and
tighten the 2 ACJC terminal block screws A.
3. Refit the probe end cap – refer to Section 5.6.2, page 15.
4. Re-install the probe as detailed in the probe User Guide
(IM/AZ20P–EN).
Fig. 5.20 Removing / Replacing the PT1000 Sensor