Idiomas disponibles
Idiomas disponibles
Index
1
Safety
1.1 Importance of the manual
1.2 Warning signals
1.3 Safety instructions
1.4 Residual risks
2
Introduction
2.1 Transport
2.2 Handling
2.3 Inspection
2.4 Storage
3
Installation
3.1 Operating space
3.2 Versions
3.3 Water circuit
3.4 Electrical circuit
3.5 Centrifugal version (C)
3.6 Water-cooled version (W)
4
Control
4.1 Control panel
4.2 Starting the chiller
4.3 Stopping the chiller
4.4 Parameter settings
4.5 Parameter management
4.6 Alarms management
4.7 Automatic restart
5
Maintenance
5.1 General instructions
5.2 Preventive maintenance
5.3 Refrigerant
5.4 Dismantling
6
Troubleshooting
7
Appendix
7.1 Legend
7.2 Technical data
7.3 Dimensions
7.4 Spare parts
7.5 Circuit diagram
7.6 Wiring diagram
English
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 machine.
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 re-
quired.
,
There are symbols whose meaning is given in the para. 7.
1.3 Safety instructions
!
Every unit is equipped with an electric disconnecting switch for
operating in safe conditions. Always use this device in order to elimi-
nate 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.
Y
Do not exceed the design limits given on the dataplate.
! Y
It is the user's responsibility to avoid loads different from the
internal static pressure. The unit must be appropriately protected when-
ever risks of seismic phenomena exist.
Only use the unit for professional work and for its intended purpose.
The user is responsible for analysing the application aspects for prod-
uct 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 unauthorised personnel and/
or improper machine use exonerate the manufacturer from all responsi-
bility and invalidate the warranty.
The manufacturer declines and 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.
ATTENZIONE: Il costruttore si riserva il diritto di modifi care le
informazioni contenute nel presente manuale senza alcun preav-
PCW040-160
viso. Ai fi ni di una completa ed aggiornata informazione si rac-
comanda all'utente di consultare il manuale a bordo unità.
!
CAUTION: Moving parts, hot parts and risk of electric shock:
disconnect power before opening the cover.
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 technical documentation supplied 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
residual
manner of
affected
risk
exposure
heat exchanger
small cuts
contact
coil
fan grille and
lesions
insertion of pointed
fan
objects through the
grille while the fan is
in operation
inside the
burns
contact
unit:
compressor
and dis-
charge pipe
inside the
intoxication,
defects in the
unit:
electrical
insulation of the
metal parts
shock, seri-
power supply lines
and electrical
ous burn
upstream of the
wires
electrical panel; live
metal parts
outside the
intoxica-
iire due to short
unit:
tion, serious
circuit or overheat-
area sur-
burns
ing of the supply
rounding the
line upstream of
unit
the unit's electrical
panel
precautions
avoid contact, wear
protective gloves
ndo not poke objects
of any type through the
fan grille or place any
objects on the grille
avoid contact, wear
protective gloves
adequate electrical
protection of the power
supply line; ensure
metal parts are properly
connected to earth
sensure conductor
cross-sectional areas
and the supply line
protection system
conform to applicable
regulations
1/8
