Endura AZ20 series probe | Combustion oxygen monitor | IN/ANAINST/032–EN Rev. B 3
4 Isolating the transmitter and shutting
down sensor air / gas supplies
4.1 Isolating the transmitter
Referring to transmitter Instruction manual IM/AZ20E-EN.
1. Isolate transmitter from incoming mains powers supplies.
4.2 Shutting down the sensor assembly at the process
Referring to probe Instruction manual IM/AZ20P-EN:
1. Close / isolate the air supply valve and shut down the test
gas line at the supply.
4.3 Removing the sensor from the process
Referring to probe Instruction manual IM/AZ20P-EN:
1. Disconnect the air supply and test gas connections at the
sensor.
2. Remove the sensor from the process in the reverse order
of installation. Ensure the sensor cable is free of cable ties
/ restrictions before taking the sensor away from the
process.
DANGER – Serious damage to health / risk to life
Do not proceed until the transmitter is isolated from
mains power supplies.
DANGER – Serious damage to health / risk to life
Allow sufficient time for the sensor assembly to cool
before performing this procedure.
DANGER – Serious damage to health / risk to life
– Allow sufficient time for the sensor assembly to cool
before performing this procedure.
– Assess probe / transmitter system weights and
ensure suitable / adequate lifting equipment and
personnel are used to support the weight when
performing this procedure.
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