Owner manual

88
Shutdown
SHUTDOWN21.
Safety instructions21.1.
DANGER!
Risk of injury from high pressure!
Before loosening pneumatic lines and valves, turn off the pressure and vent the lines.•
Danger of explosion in explosive atmosphere (only in the event of a fault as zone 2)!
Opening the hood or the housing in an explosive atmosphere is only allowed in the isolated state!•
WARNING!
Risk of electric shock!
Before reaching into the system (except for the Teach-In procedure) switch off the power supply and secure it •
to prevent reactivation!
Observe applicable accident prevention and safety regulations for electrical equipment!•
Risk of injury due to improper disassembly!
Disassembly work may be carried out by authorized technicians only and with the appropriate tools!•
Dismantling the Control Head Type 868121.2.
Prior to starting with the work, check the system status!
Procedure:
Cable gland versions:
Open the housing observing the notes contained in chapter "
→ 8. Opening and Closing the Housing".
Uninstall the electrical connections at the terminal strip.
→
Close the housing observing the notes contained in chapter " → 8. Opening and Closing the Housing".
Loosen the pneumatic connections (For a detailed description, see chapter "
→ 9. Pneumatic Installation").
Loosen the locking screws (shoulder screws M5).
→
Pull control head upwards and off the adaptation. →
Multi-pole connection versions:
Remove the multi-pole plugs.
→
Loosen the pneumatic connections (For a detailed description, see chapter " → 9. Pneumatic Installation").
Loosen the locking screws (shoulder screws M5).
→
Pull control head upwards and off the adaptation. →
english
Control Head Type 8681