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Opening and Closing the Housing
8. OPENING AND CLOSING THE HOUSING
8.1. Safety instructions
DANGER!
Risk of injury from high pressure in the system!
• Before loosening 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
a not energized state!
WARNING!
Risk of injury due to electric shock!
• Before opening the hood and prior to reaching into the system (aside from a Teach-In procedure in a non-
explosive atmosphere), switch off the power supply and secure to prevent restarting!
• Observe applicable accident prevention and safety regulations for electrical equipment!
Risk of injury from improper
installation!
• Installation may be carried out by authorized technicians only and with the appropriate tools!
Risk of injury from unintentional activation of the system and uncontrolled restart!
• Secure system against unintentional activation.
• Following installation, ensure a controlled restart.
8.2. Opening and closing the housing
8.2.1. Opening the housing
NOTE!
Improper handling will damage the plastic hood / seal!
• Do not use excessive force (e.g. by knocks) for opening.
• Make sure that the lubricated seal contour is not soiled when the hood is placed down as this might reduce
the IP protection!
Procedure:
→ Remove lead seal (or plastic self-cutting screws) if housing secured.
→ Open the plastic hood by turning counterclockwise (all the way, approx. 1.5 cm). Due to the tightness of the
sealing, loosen the plastic hood by carefully tilting it laterally and lift it upwards to remove it.
8.2.2. Closing the housing
If required, clean the seal contour of the seal and hood, and lightly lubricate it using a recommended
silicone grease (e.g. Paraliq GTE 703).
Caution:
Do not use any petroleum-based or synthetic lubricants (except for silicone grease)!
Procedure:
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