Colasit CMVpro 125-400 ATEX, Руководство по эксплуатации, Страница: 60 / 88

11 | Maintenance
60 / 88 Operating instructions CMVpro 125-400 ATEX | Version 1-en
11 Maintenance
11.1 Safety instructions
These safety instructions warn against dangers that can arise when performing
maintenance on the fan.
DANGER Risk of injury due to maintenance work on the fan in a poten-
tially explosive atmosphere
Death or serious injuries upon explosion.
Injuries due to electrical, mechanical, and chemical hazards.
u Control the operating condition via authorized operating personnel with ap-
propriate ATEX training.
u All other maintenance work only to be performed by authorized mainte-
nance personnel with appropriate ATEX training and certification.
u An electrician is responsible for energization of the fan.
SAFETY INSTRUCTIONS
u
Wear special personal protective equipment for use in potentially explosive
atmospheres
_
Chap. 3.2.1 [
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19].
u In the access and work areas of the maintenance work
- eliminate trip and fall hazards,
- ensure sufficient lighting,
- keep clean and tidy.
u Secure the isolation switch with a personal padlock to prevent unauthorized
energization until completion of the maintenance work. Hang tag on isola-
tion switch.
u
In a potentially explosive atmosphere, only use tools and equipment that are
non-sparking and approved for the existing explosion protection zone.
u
When working inside the fan, as protection from hazardous, aggressive, and
explosive conveyed media:
- Shut the provided shut-off damper to the supply air duct and discharge
duct.
- Ensure that no conveyed medium can flow in.
- If provided, drain condensate to the casing drain.
- Be mindful of harmful deposits and condensate residue.
u
When working inside the fan, ensure that the impeller is stationary and pre-
vented from automatically being rotated by supply or discharge air.
u
After completion of work
- check functionality of all safeguards,
- remove all tools and materials from the work area,
- wipe up spilled substances and dispose of them properly.
DANGER Risk of explosion due to electrostatic discharge
Death or serious injuries upon explosion.
▪ Cleaning of the fan housing, impeller, and plastic parts with a dry cloth leads
to electrostatic charge.
u
Only clean the fan with a damp cloth in a potentially explosive atmosphere.