Ex relevant safety instructions
8 - EN
TZIDC-200, TZIDC-210, TZIDC-220 CI/TZIDC-200/210/220-EN
2 Ex relevant safety instructions
Depending on the type of explosion protection, an Ex label is attached to the left of the
positioner beside the main name plate. It shows the explosion protection and the unit's relevant
EX certificate.
Requirements/preconditions for safe operation of positioners:
Important
Observe the units' relevant technical data and special conditions in accordance with the
applicable certificate.
• Manipulation of the devices by users is not permitted. Modifications to the units may only be
performed by the manufacturer or an explosion-protection specialist.
• The splash guard cap must be screwed in place to achieve IP 65 / NEMA 4x protection
class. Operating the units without the splash guard cap is prohibited.
• The unit must be supplied with instrument air that is free of oil, water, and dust. Do not use
flammable gas, oxygen, or oxygen-enriched gas.
Important – Use in areas with combustible dust
• To prevent loss of its ignition-proof classification, the housing may not be opened.
• Use only cable glands that conform to protection type
≥
IP 65.
• Avoid hazardous sliding brush discharges.
