1
BASICS
1.1
Importance of the documentation
These operating instructions are part of the technical
documentation for the Grasso scope of delivery. It
contains advice for operating the package/chiller
safely, properly and economically. The observance
of the operating manual helps in avoiding dangers,
reducing repair costs and down-times and increasing
the reliability and durability of the package/chiller.
This operating manual is directed at the users of the
package/chiller and is specifically intended for the
operating company and its operating and mainte-
nance personnel. This operating manual must be
read prior to transport, installation, commissioning,
maintenance, repair, disassembly/disposal.
All work explained in this operating manual must only
be carried out by technical personnel.
This operating manual must be supplemented with
instructions based on prevailing national regulations
regarding industrial safety, health protection and
environmental protection.
In addition to this operating manual and the manda-
tory accident prevention regulations applicable for
the respective place of installation, the accepted
technical regulations for safe work according to good
professional practices must also be observed.
The operating manual is a part of the total product.
The entire documentation, consisting of this operat-
ing manual as well as all supplied additional instruc-
tions, is to be always kept easily accessible at the
place of installation of the package/chiller. The com-
plete set of documentation must also accompany the
package/chiller if it is sold.
1.2
Requirements for personnel, obliga-
tion to exercise due care
Qualification
All work explained in this manual (assembly, electri-
cal connection, commissioning, operation, etc.) may
only be carried out by trained
technical personnel
who observe the relevant technical regulations.
Technical personnel
are representatives of the unit
manufacturer and persons who, as a result of their
technical training, experience and personal instruc-
tion in training measures, have sufficient knowledge
of:
–
applicable international and national standards,
–
applicable occupational safety regulations,
–
applicable accident prevention regulations,
–
applicable environmental protection regulations,
–
the construction and functioning of the unit,
–
recognised technical regulations for safe work
according to good professional practice.
The technical personnel must:
–
be able to assess the work assigned to them,
recognise and avoid possible dangers,
–
be authorised by those responsible for the safety
of the system to carry out the requisite work and
activities.
Caution!
No arbitrary changes may be made to
the control or other components
belonging to the unit. Maintenance
work may only be done by authorised
service staff.
Special requirements for the electrical techni-
cians
Work on electrical components and modules may
only be carried out by an
electrical technician
according to the rules relevant to electrical engineer-
ing. Furthermore the operator has to take care that
the electrical systems, tools and fixtures are oper-
ated according to the rules relevant to electrical engi-
neering and applicable standards and serviced prop-
erly.
–
In principle it is prohibited to carry out work on
parts under voltage.
–
Fuses may only be replaced and not repaired or
bypassed.
–
Only the fuses specified in the electrical circuit
diagram may be used.
–
A two-pole voltage tester must be used to ensure
that the parts are de-energised.
–
The power supply as well as the unit casing must
be sufficiently grounded and tagged with a suita-
ble label.
–
Deficiencies noticed in the electrical systems/
modules/tools and fixtures must be corrected
immediately. If an acute danger exists till then,
Operating Manual | GEA Grasso M-Series
Screw Compressor Packages
Basics
GEA Refrigeration Germany GmbH | P_261511_1 | Generated 01.04.2015
11
Содержание Grasso M-Series
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