English
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DRD 265-1000
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. 8.1
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 quali 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
The dimensioning of the safety devices of the air compressed
circuit must be according to the speci 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 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 opera-
tors, 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 speci 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 infor-
mation, the user is advised to consult the manual supplied with the
unit.
!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
affected
Residual
risk
Manner of
exposure
Precautions
heat exchanger
coil
small cuts contact avoid contact, wear pro-
tective 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 discharge
pipe
burns contact avoid contact, wear pro-
tective gloves
inside the unit:
metal parts and
electrical wires
intoxication,
electrical
shock, seri-
ous burns
defects in the insu-
lation of the power
supply lines upstream
of the electrical panel;
live metal parts
adequate electrical protec-
tion of the power supply
line; ensure metal parts
are properly connected
to earth
outside the
unit: area
surrounding the
unit
intoxication,
serious
burns
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 appli-
cable regulations
8 Appendix
, There are symbols whose meaning is given in the par. 8.1.
8.1 Legend
8.2 Installation diagram
8.3 Technical data
8.4 Spare parts list
8.5 Exploded drawing
8.6 Dimensional drawings
8.7 Refrigerant circuit
8.8 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 Versions ............................................................................................2
3.4 Tips ...................................................................................................2
3.5 Electrical connection ........................................................................2
3.6 Condensate drain connection ..........................................................2
4 Commissioning 2
4.1 Preliminary checks ...........................................................................2
4.2 Starting .............................................................................................2
4.3 Operation ..........................................................................................2
4.4 Stop ..................................................................................................3
5 Control 3
5.1 Control panel ....................................................................................3
5.2 Operation ..........................................................................................3
5.3 Parameters .......................................................................................4
5.4 Alarms and Warnings........................................................................4
6 Maintenance 5
6.1 General instructions ..........................................................................5
6.2 Refrigerant. .......................................................................................5
6.3 Preventive Maintenance Programme ...............................................5
6.4 Dismantling .......................................................................................5
7 Troubleshooting 6
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