English
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ATT025-040
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 use this device in order to eliminate
risks maintenance.
!
The manual is intended for the end-user, only for operations per-
formable 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 data plate.
!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.
!
The safety devices on the compressed air circuit must be provided
for by the user
Only use the unit for professional work and for its intended purpose.
The user is responsible for analysing the application aspects for product
installation, and following all the applicable industrial and safety stand-
ards and regulations contained in the product instruction manual or oth-
er documentation supplied with the unit.
Tampering or replacement of any parts by unauthorized 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 pro-
vided 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.
!
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 manual supplied
with the unit.
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 affected
Residual
risk
Manner of
exposure
Precautions
heat exchanger
coil
small cuts
contact
avoid contact, wear
protective gloves
fan grille and
fan
lesions
insertion of pointed
objects through the
grille while the fan is
in operation
do not poke objects of
any type through the
fan grille or place any
objects on the grille
inside the
unit:
compressor
and dischar-
ge pipe
burns
contact
avoid contact, wear
protective gloves
inside the
unit: metal
parts and
electrical
wires
intoxi-
cation,
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
intoxi-
cation,
serious
burns
fi re due to short
circuit or overhea-
ting of the supply
line upstream of the
unit’s electrical panel
ensure conductor cross-
sectional areas and the
supply line protection
system conform to appli-
cable regulations
outside the
unit:
lesions
loss of desiccant
clean the area around
the unit
components
subjected to
compressed:
air
lesions on
rhe eyes,
ears and
body
defect assembly,
breakage caused by
pulse of air, especial-
ly at startup
Use the personal protec-
tive equipment: hearing
protection, glasses,
helmet, suit and shoes.
9 Appendix
9.1 Legend
9.2 Installation diagram
9.3 Technical data
9.4 Supervisor parameters
9.5 Spare parts list
9.6 Exploded drawing
9.7 Dimensional drawings
9.8 Refrigerant circuit
9.9 Wiring diagram
Index
1 Safety
1
1.1 Importance of the manual................................................................................. 1
1.2 Warning signals ................................................................................................ 1
1.3 Safety instructions ............................................................................................ 1
1.4 Residual risks ................................................................................................... 1
2 Introduction
2
2.1 Transport
........................................................................................................... 2
2.2 Handling ........................................................................................................... 2
2.3 Inspection ......................................................................................................... 2
2.4 Storage ............................................................................................................. 2
3 Installation
2
3.1 Procedures ....................................................................................................... 2
3.2 Operating space ............................................................................................... 2
3.3 Tips ................................................................................................................... 2
3.4 Electrical connection ........................................................................................ 2
3.5 Condensate drain connection .......................................................................... 2
3.6 Connections discharge purge air ...................................................................... 2
3.7 Connecting the fi lter oil drainage ...................................................................... 2
4 Commissioning
2
4.1 Preliminary checks............................................................................................ 2
4.2 Starting ............................................................................................................. 2
4.3 Operation .......................................................................................................... 3
4.4 Operation with Dew point control ..................................................................... 3
4.5 Stop .................................................................................................................. 3
4.6 Language selection .......................................................................................... 4
4.7 Precautions during commissioning and operation ........................................... 4
5 Control
4
5.1 Control panel .................................................................................................... 4
5.2 Operating states ............................................................................................... 4
5.3 Screens displayed ............................................................................................ 4
5.4 Energy saving ................................................................................................... 6
5.5 Alarms and warnings ........................................................................................ 6
6 Maintenance
7
6.1 General instructions
.......................................................................................... 7
6.2 Refrigerant ........................................................................................................ 7
6.3 Desiccant agent
................................................................................................ 7
6.4 Preventive Maintenance Programme ............................................................... 7
6.5 Dismantling ....................................................................................................... 8
7 Alarm
list
9
8 Troubleshooting
12
