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STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com
Manual 5100, rev. 06 06/2020 – RTC/RTCS
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5.6.4
Electrical Connections (If any)
Warning: Use components appropriate as for type, material and dimensions.
Warning: The connections should be made by qualified staff. Before carrying out any
operation, cut line power off.
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Introduce connection cables.
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Make the connections in compliance with applicable wiring diagrams on the documentation supplied.
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Screw the cable gland.
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Replace the plastic plugs of unused entries with metal plugs.
5.6.5
Hearting connection
If the hearting connection is not guaranteed trough mechanical parts where actuator is mounted, it is
necessary ensure a directly hearting connection on provided point of actuator.
5.7 Disassembling
Fig. 4 – Disassembling of the actuator
Warning: Before removing the screws between actuator and valve or adaptor flange or
mounting bracket, the actuator should be connected with appropriate lifting
means. Lift the actuator as shown in Fig.3. The fastening points are
appropriate for the lifting of the actuator alone and not for the valve + actuator
assembly.
During the disassembling take care that mounting coupling block is fix on the
valve stem to avoid any dangerous situation.
Warning: If not already removed disconnect all operating pressure from actuator power
cylinders.
Screws to be removed
