STI RTQ Series, Instruction Manual, Page: 16 / 44

STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com
Manual 5300, rev. 09 06/2020 – RTQS
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6.3 Pneumatic Connections
Warning
Check that the values of pneumatic supply available are compatible with those reported on
the identification plate of the actuator.
Use pipes and connections appropriate as for type, rating, material and dimensions.
The connection should be made by qualified staff.
- Properly deburr the ends of rigid pipes.
- Properly clean the interior of pipes sending through them plenty of the supply fluid used in the system.
- Mould and fasten the connection pipes so that no irregular strains at entries or loosening of threaded
connections occur.
- Make the connections according to the operating diagram.
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Check the absence of leakages from pneumatic connections. If necessary, tighten the nuts of the pipe-fittings.
6.4 Electrical Connections (If any)
Warning
Before carrying out electrical connections, switch off any power and control lines.
Use components appropriate as for type, material and dimensions.
The connections should be made by qualified staff.
- Introduce connection cables.
- Make the connections in compliance with applicable wiring diagrams on the documentation supplied.
- Screw the cable gland.
- Replace the plastic plugs of unused entries with metal plugs.
6.5 Earth connection
If the earth connection is not guaranteed trough mechanical parts on which the actuator is mounted, it is
necessary ensure a directly earth connection using the provided heart point of the actuator.