English
2/20
PSE 120-350
1 Safety
1.1 Importance of the manual
• Keep it for the entire life of the machine.
• Read it before any operation.
• It is subject to changes: for updated information see the version on the unit.
1.2 Warning signals
!
Instruction for avoiding danger to persons.
Y
Instruction for avoiding damage to the equipment.
Z
The presence of a skilled or authorized technician is required.
,
There are symbols whose meaning is given in the para. 9.1
1.3 Safety instructions
! Every unit is equipped with an electric disconnecting switch for operating in safe conditions.
Always user this device in order to eliminate risks maintenance.
! The manual is intended for the end-user, only for operations performable with closed panels:
operations requiring opening with tools must be carried out by skilled and qualifi ed personnel.
! Do not exceed the design limits given on the data plate.
! Y It is the user’s responsibility to avoid loads different from the internal static pressure. The
unit must be appropriately protected whenever risks of seismic phenomena exist.
! The safety devices on the compressed air circuit must be provided for by the user.
! The dimensioning of the safety devices of the air compressed circuit must be according to the
specifi cations of the system and legislation in force locally.
Only use the unit for professional work and for its intended purpose.
The user is responsible for analyzing the application aspects for product installation, and following
all the applicable industrial and safety standards and regulations contained in the product instruction
manual or other documentation supplied with the unit.
Tampering or replacement of any parts by unauthorized personnel and/or improper machine use
exonerate the manufacturer from all responsibility and invalidate the warranty.
The manufacturer declines present or future liability for damage to persons, things and the machine,
due to negligence of the operators, non-compliance with all the instructions given in this manual, and
non-application of current regulations regarding safety of the system.
The manufacturer declines any liability for damage due to alterations and/or changes to the packing.
It is the responsibility of the user to ensure that the specifi cations provided for the selection of the
unit or components and/or options are fully comprehensive for the correct or foreseeable use of the
machine itself or its components.
Y IMPORTANT: The manufacturer reserves the right to modify this manual at any time. The most
comprehensive and updated information, the user is advised to consult the manufacturer.
1.4 Residual risks
The installation, start up, stopping and maintenance of the machine must be performed in accordance
with the information and instructions given in the supplied technical documentation and always in
such a way to avoid the creation of a hazardous situation. The risks that it has not been possible to
eliminate in the design stage are listed in the following table:
Part affected Residual
risk
Manner of
exposure
Precautions
heat exchanger coil small cuts contact avoid contact, wear protective gloves
fan grill and fan lesions insertion of pointed objects
through the grill while the
fan is in operation
do not poke objects of any type through
the fan grille or place any objects on the
grill
inside the unit:
compressor and dischar-
ge pipe
burns contact avoid contact, wear protective gloves
inside the unit: metal
parts and electrical wires
intoxication,
electrical shock,
serious burns
defects in the insulation
of the power supply lines
upstream of the electrical
panel; live metal parts
adequate electrical protection of the
power supply line; ensure metal parts
are properly connected to earth
outside the unit: area
surrounding the unit
intoxication,
serious burns
fi re due to short circuit or
overheating of the supply
line upstream of the unit’s
electrical panel
ensure conductor cross-sectional areas
and the supply line protection system
conform to applicable regulations
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