ABB Endura AZ20 series

Endura AZ20 series probe
Combustion oxygen monitor 3 Mechanical Installation
14 IM/AZ20P–EN Rev. G
3.9 Mounting
3.9.1 Probe
To mount the probe (all sizes):
1. Cut a 120 mm (4.72 in) diameter hole in the flue wall
A.
2. Either:
a. weld the mounting plate
B into place, concentric
with the hole in the flue
or
b. drill and bolt the plate to the flue
3. Fit the probe gasket C and insert the probe into the flue.
4. Secure the probe and gasket using nuts and washers
D
as follows:
a. 0.5 m (1.7 ft) probe – 6 x M6 nuts and washers
b. 1.0 to 4.0 m (3.3 to 13.1 ft) probe – 6 x M10 nuts
and washers
Note. Mount integral probes with the transmitter at the top
of the probe head. Mount remote probes with the conduit at
the bottom of the probe head.
Fig. 3.17 Mounting the Probe
B
C
A
D
Integral Probe
Arrangement
Remote Probe
Arrangement