Airwell CWP-CO 04 [5/42] Safety
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Page 4
Safety
ENGINEER: means a person authorised directly by
Itelco-Clima or, in all EC countries, excluding Italy,
under his full responsibility, by the distributor of Itel-
co-Clima product, to perform any routine and extra-
ordinary maintenance operations, as well as any
regulation, control, servicing operations and the re-
placement of pieces, as may be necessary during the
life of the unit.
2.3 Access to the unit
The unit must be placed in an area which can be ac-
cessed also by OPERATORS and ENGINEERS; oth-
erwise the unit must be surrounded by a fence at not
less than 2 meters from the external surface of the
machine.
OPERATORS and ENGINEERS must enter the fenced
area only after wearing suitable clothing (safety
shoes, gloves, helmet etc.). The INSTALLER personnel
or any other visitor must always be accompanied by
an OPERATOR.
For no reason shall any unauthorised personnel be
left alone in contact with the unit.
2.4 General precautions
The OPERATOR must simply use the controls of the
unit; he must not open any panel, other than the one
providing access to the control module.
The INSTALLER must simply work on the connections
between plant and machine; he must not open any
panels of the machine and he must not enable any
control.
When you approach or work on the unit, follow the
precautions listed below:
h
do not wear loose clothing or jewellery or any oth-
er accessory tat may be caught in moving parts
h
wear suitable personal protective equipment
(gloves, goggles etc.) when you have to work in
the presence of free flames (welding operations) or
with compressed air
h
if the unit is placed in a closed room, wear ear pro-
tection devices
h
cut off connecting pipes, drain them in order to
balance the pressure to the atmospheric value be-
fore disconnecting them, disassemble connections,
filters, joints or other line items
h
do not use your hands to check for any pressure
drops
h
use tools in a good state of repair; be sure to have
understood the instructions before using them
h
be sure to have removed all tools, electrical cables
and any other objects before closing and starting
the unit again
2.5 Precautions against residual risks
Prevention of residual risks caused by the
control system
h
be sure to have perfectly understood the operating
instructions before carrying out any operation on
the control panel
h
when you have to work on the control panel, keep
always the operating instructions within reach
h
start the unit only after you have checked its perfect
connection to the plant
h
promptly inform the ENGINEER about any alarm
involving the unit
h
do not reset manual restoration alarms unless you
have identified and removed their cause
Prevention of residual mechanical risks
h
install the unit according to the instructions provid-
ed in this manual
h
carry out all the periodical maintenance opera-
tions prescribed by this manual
h
wear a protective helmet before accessing the inte-
rior of the unit
h
before opening any panelling of the machine,
make sure that it is secured to it by hinges
h
do not remove the guards from moving elements
while the unit is running
h
check the correct position of the moving elements’
guards before restarting the unit
Prevention of residual electrical risks
h
connect the unit to the mains according to the in-
structions provided in this manual
h
periodically carry out all the maintenance opera-
tions specified by this manual
h
disconnect the unit from the mains by the external
disconnecting switch before opening the electrical
board
h
check the proper grounding of the unit before start-
up
h
check all the electrical connections, the connecting
cables, and in particular the insulation; replace
worn or damaged cables
h
periodically check the board’s internal wiring
h
do not use cables having an inadequate section or
flying connections, even for limited periods of time
or in an emergency
Manuale CWP 4.11.2005 11:55 Pagina 4
Содержание
- Cwp co cwp rc cwp hp 1
- Control system 2
- Dismantling demolition and scrapping 2
- English 2
- Foreword 2
- General description 2
- Installation 2
- Maintenance 2
- Safety 2
- Spare parts 2
- Start up 2
- Table of contents 2
- Technical data 2
- Transport lifting and positioning 2
- Troubleshooting 2
- An introduction to the manual 3
- Emergency stop normal stop 3
- Foreword 3
- Introduction 3
- Warranty 3
- Definitions 4
- English 4
- Foreword 4
- Safety 4
- Access to the unit 5
- General precautions 5
- Precautions against residual risks 5
- Safety 5
- English 6
- Precautions during maintenance operations 6
- Safety 6
- Aus outlet 7
- Ein inlet 7
- Entrée entrata 7
- Safety 7
- Safety labels 7
- Sortie uscita 7
- English 8
- Safety 8
- Safety regulations 8
- Safety 9
- English 10
- Safety 10
- Anchoring 11
- Inspection 11
- Storage 11
- Transport lifting and positioning 11
- Unit handling 11
- Connection diagram 12
- English 12
- External hydraulic circuit 12
- Flow meter installation 12
- Installation 12
- Positioning of the unit 12
- Vibration isolators 12
- Hydraulic connection of the condenser 13
- Installation 13
- Electrical connections 14
- English 14
- Hydraulic connection 14
- Installation 14
- Power supply 14
- Preliminary check 15
- Start up 15
- Checking the operation 16
- Delivery to the customer 16
- English 16
- Start up 16
- Antifreeze function 17
- Control system 17
- Cwp control system 17
- Temperature controller 17
- Μchiller 17
- Control system 18
- English 18
- Summary of the key functions 18
- The meaning of each key in the different modes is summed up in the table below 18
- Control system 19
- Heat exchanger heater thermostat 19
- High pressure control 19
- Low pressure control 19
- Pressostatic valve kit optional 19
- Compressors 20
- Condenser except for cwp rc 20
- English 20
- Evaporator 20
- General description 20
- General specifications 20
- Introduction 20
- Refrigeration circuits 20
- Switchboard 20
- Cwp hp refrigeration circuit 02 to 05 21
- Cwp rc refrigeration circuit 02 to 05 21
- Cwp refrigeration circuit 02 to 05 21
- General description 21
- Page 20 21
- Cwp hp refrigeration circuit 06 to 21 22
- Cwp rc refrigeration circuit 06 to 21 22
- Cwp refrigeration circuit 06 to 21 22
- English 22
- General description 22
- Page 21 22
- Cwp hp refrigeration circuit 25 to 35 23
- Cwp rc refrigeration circuit 25 to 35 23
- Cwp refrigeration circuit 25 to 35 23
- General description 23
- Page 22 23
- English 24
- Page 23 24
- Pressure drops 24
- Technical data 24
- Page 24 25
- Technical data 25
- English 26
- Page 25 26
- Technical data 26
- Page 26 27
- Technical data 27
- English 28
- Page 27 28
- Technical data 28
- Page 28 29
- Technical data 29
- Electrical data 30
- English 30
- Page 29 30
- Technical data 30
- Condenser inlet 1 1 4 female sizes 02 to 09 1 1 2 female sizes 15 31
- Condenser outlet 1 1 4 female sizes 02 to 09 1 1 2 female sizes 15 31
- Cwp cwp hp cwp rc 02 to 15 31
- Evaporator inlet 1 1 4 female sizes 02 to 09 1 1 2 female sizes 15 31
- Evaporator outlet 1 1 4 female sizes 02 to 09 1 1 2 female sizes 15 31
- External source water inlet 31
- External source water outlet 31
- Overall dimensions 31
- Page 30 31
- Technical data 31
- Water leaving to installation 31
- Water return from installation 31
- Condenser inlet 1 1 4 female 32
- Condenser outlet 1 1 4 female 32
- Cwp cwp hp cwp rc 18 21 32
- Discharge line 1 1 8 32
- English 32
- Evaporator inlet 1 1 4 female 32
- Evaporator outlet 1 1 4 female 32
- For cwp cwp hp 32
- For cwp rc 32
- Liquid line 7 8 32
- Page 31 32
- Technical data 32
- Condenser inlet 2 female 33
- Condenser outlet 2 female 33
- Cwp cwp hp cwp rc 25 to 35 33
- Discharge line 1 5 8 33
- Evaporator inlet 2 female 33
- Evaporator outlet 2 female 33
- For cwp cwp hp 33
- For cwp rc 33
- Liquid line 1 1 8 33
- Page 32 33
- Technical data 33
- English 34
- Page 33 34
- Service spaces 34
- Technical data 34
- General requirements 35
- Maintenance 35
- Planned maintenance 35
- Compressor 36
- Condenser 36
- Dehydrating filter 36
- English 36
- Maintenance 36
- Refrigerant charge 36
- Sight glass 36
- Evaporator 37
- Maintenance 37
- Thermostatic expansion valve 37
- English 38
- Troubleshooting 38
- Troubleshooting 39
- English 40
- Oil for compressors 40
- Spare part list 40
- Spare parts 40
- Wiring diagrams 40
- Dismantling demolition and scrapping 41
- Generalities 41
- Itelco industry 42
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