14
Installation method
The product must be installed with full knowledge of the purpose of the installa-
tion and issues related to the operation of the fans, accessory equipment, place
and ducting where it will be installed.
In a potentially explosive explosion-proof environment
(ATEX) you must consider that the installation, commission-
ing, maintenance and decommissioning require special care
in order to prevent accidental sparks, flames or hot surfaces.
With regard to anything not mentioned in this manual, apply
all regulations and checks described in the basic manual
of your fan model.
Precautions regardless of the fan
Do not use working tools that generate sparks, caused by cutting, grinding or
welding. If hazardous equipment must be used you must first check that the area
is free from potentially flammable substances.
The personnel in charge of all life stages of the fan and/or equipment must be
aware of the risk arising from operating in a potentially explosive atmosphere
and must have previously read and understood the contents of this manual
and must operate in accordance with current regulations concerning potentially
explosive atmospheres.
Preliminary checks and inspections
Some checks and inspections must be carried out even after installation and
operation, as well as the restart of the fan. Refer to the MAINTENANCE chapter
in this manual as well as the basic manual of your fan model.
Inspections that cannot be carried with the fan stationary
or disconnected, it is mandatory for a member of staff to
supervise while the inspection is carried out, by standing
close to an emergency stop switch which is to be used if
necessary.
The main checks to be made are:
- the distance between the impeller and nozzle (air gap);
- vibrations;
- temperature of the bearings;
- measurement of the rotary speed;
- measurement of the earth resistance.
Before starting the maintenance activities make sure that there is no hazardous
residue from the conveyed medium.
If necessary, remove it with appropriate means.
PRECAUTIONS TO BE TAKEN
I
nstallation
Summary of Contents for CH Series
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