5 Mounting
Maschinenfabrik Reinhausen GmbH 2018 271800059/09 EN RS
6. Attach the terminal box cover and secure with screws.
Figure11: Terminal box cover
5.1.3 Installing protective relay in piping
Ensure the following for installation and proper function of the protective re-
lay:
1. Prior to installing the protective relay, ensure that there are no foreign
bodies in the piping or in the oil conservator.
2. Install protective relay such that it can be easily accessed for subsequent
maintenance work.
3. Install protective relay with good support and free from vibrations.
4. The test buttons must be at the top.
5. The pipes from the protective relay to the oil conservator must be routed
with an inclination of at least 2% to ensure the switching gases can es-
cape freely.
6. The inner piping diameter must be at least 25 mm.
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