Parker 250, User Manual

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250
1
English
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 Procedures
3.2 Operating
space
3.3 Versions
3.4 Tips
3.5 Electrical
connection
3.6 Condensate drain connection
4 Commissioning
4.1 Preliminary check
4.2 Starting
4.3 Operation
4.4 Stop
5 Control
5.1 Control panel
5.2 Operation
5.3 Parameters
5.4
Alarms and Warnings
6 Maintenance
6.1 General instructions
6.2 Refrigerant.
6.3
Preventive Maintenance Programme
6.4 Dismantling
7 Troubleshooting
8 Appendix
8.1 Legend
8.2 Installation
diagram
8.3 Technical data
8.4 Sapre parts list
8.5 Expolded drawings
8.6 Dimensional drawings
8.7 Refrigerant circuits
8.8 Wiring diagram
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.
,
Th ere 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.
!
Th e 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 diff erent from the
internal static pressure. Th e unit must be appropriately protected when-
ever risks of seismic phenomena exist.
!
Th e safety devices on the compressed air circuit must be provided
for by the user
Th
e 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.
Th
e 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
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 responsi-
bility and invalidate the warranty.
Th e 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.
Th
e 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: Th e manufacturer reserves the right to modify this
manual at any time. Th e most comprehensive and updated information,
the user is advised to consult the manual supplied with the unit.
1.4 Residual risks
Th e 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.
Th
e risks that it has not been possible to eliminate in the design stage are
listed in the following table:
Part aff ected Residual
risk
Manner of
exposure
Precautions
heat exchanger
coil
small cuts contact avoid contact, wear protec-
tive 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 protec-
tive gloves
inside the unit:
metal parts
and electrical
wires intoxica-
tion, electri-
cal shock,
serious
burns defects in the insulation
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 sur-
rounding the
unit intoxica-
tion, 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 sup-
ply line protection system
conform to applicable
regulations