ABB Endura AZ40 Instructions d'utilisation - Page 4
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4 Isolating the transmitter
Referring to Fig. 4.1.
1. Isolate transmitter A from incoming mains powers
supplies B.
DANGER – Serious damage to health / risk to life
The transmitter must be isolated from mains power
supplies before performing this procedure.
Customer-supplied mains isolator
Fig. 4.1 Isolating the transmitter from incoming mains power supplies
4
INS/ANAINST/007-EN Rev. B | Endura AZ40 | Sensor assembly | Orifice and seals kit
5 Shutting down / removing the sensor
assembly from the process
DANGER – Serious damage to health / risk to life
Allow sufficient time for the sensor assembly to cool
before performing these procedures.
5.1 Shutting the sensor assembly down at the process
Referring to Fig. 5.1.
1. Close the air supply valve A and shut down the test gas
line B at the supply.
Fig. 5.1 Shutting down instrument air and test gas supplies
5.2 Disconnecting the sensor air and test gas supplies at
the process
Referring to Fig. 5.2:
1. Disconnect air line B and test gas line C at sensor D.
Fig. 5.2 Disconnecting instrument air and test gas supplies