HP 10 - 15 KW 7,5 - 11 - Air Compressors Direct
Contents
1. ze M uses NN Mahal Fuses FU1 o e me E FUSE MARKINGS INSCRIPTIONS FUSIBLE To modify the terminal bridge configuration to the motor configure the terminal bridges for the desired voltage 200V or 460V or 230V according to the schematic below The terminal bridges can be easily removed using a pair of pliers Additional terminal bridges are provided with the compressor Terminal Bridge 200 208V Bridge Pont Bridge Pont Bridge Pont 9 6 7 4 8 5 6 1 7 4 2 B 5 3 9 6 1 7 4 2 8 5 3 9 Locate the yellow voltage stickers provided with the compressor Replace the existing sticker with the appropriate voltage sticker 200V or 230V or 460V Fuses KTK 1 230 V 80 Hz 460 V 60 Hz three phase three phase IXD Au 230 80 Hz 460 V 60 Hz three phase three phase Vol Ick Voltage Stickers oltage Stickers Terminal Bridges Cod 2200772314 04 Edition 08 2006 39 ENGLISH NEW DRYER A3 A4 READ THIS MANUAL CAREFULLY BEFORE CARRYING OUT ANY OPERATIONS ON THE DRYER 5 0 DESCRIPTION OF DANGER SIGNALS 1 Dangerous electricvoltage 2 Air not fit for breathing 3 High pressure 4 Fan rotating 5 Hot parts 6 0 DANGER ZONES 6 1 DANGER ZONES AA Risks present on the whole machine 7 0 SAFETY DEVICES 7 1 SAFETY DEVICES 1 Cooling fan shield 2 Shield 40 Editio2. ENGLISH 19 2 TROUBLE SHOOTING AND EMERGENCY REPAIRS FOR THE DRYER ALL WORK MUST BE CARRIED OUT BY PROFESSIONALLY SKILLED PERSONNEL BEFORE CARRYNG OUT ANY MAINTENANCE STOP THE MACHINE AND DISCONNECT IT FROM THE POWER MAINS OPERATIONS MARKED MUST BE CARRIED OUT BY PROFESSIONALLY SKILLED PERSONNEL APPROVED THE MANUFACTURER FAULT FOUND 1 No compressed air passes through 1A The pipes are frozen inside he bypass valve of the hot gas the dryer outlet is broken or out of calibration The room temperature is too low and the evaporators piping are obstructed with ice 2 Presence of condensate in the 2 The condensate separator does Check the solenoid exhaust valve pipings not work correctly Check the drainage timer 2B The dryer is working outside its Check the flow rate of treated air rating Check the room temperature Check the air temperature at the dryer inlet Clean the condenser 2C The dryer is working under bad mE Check the good operation of the conditions of condensation fan 3 The compressor head is very hot Make reference to 2B 55 C Make reference to 2C The cooling circuit is not working Check if there are leaks of with the right gas charge refrigerating gas Charge it again 4 Motor cuts out on overload Make reference to 2B Make reference to 2C Make reference to 3A 5 The motor hums and does not start The line voltage is too low Contact the electric power
3. 2200772314 04 ENGLISH 23 0 REPLACING THE AIR OIL SEPARATOR FILTER AND THE OIL FILTER BEFORE PERFORMING ANY MAINTENANCE PROCEDURES THE COMPRESSOR AND DRYER MUST BE STOPPED ALL ELECTRICAL POWER DISCONNECTED USING THE MAIN POWER SUPPLY DISCONNECT SWITCHES AND THE AIR VALVE CLOSED OFF FROM THE COMPRESSED AIR SYSTEM CHECK THAT THE COMPRESSOR IS NOT UNDER INTERNAL PRESSURE Proceed as follows Open the front panel Ref 1 Fig 26 with the special key Remove the fixed protection device machine cover Ref 2 Fig 26 Remove the oil separation filter Ref 3 and oil filter Ref 4 Fig 26 Lubricate the filter seals with a little oil before fitting Tightening must be done by hand Close the fixed protection machine cover Ref 2 Fig 26 device again using the appropriate safety screws Close the panel Ref 1 Fig 26 24 0 BELT TENSION BEFORE CARRYING OUT ANY MAINTENANCE MACHINE MUST STOPPED CUT OFF THE MACHINE FROM THE ELECTRICAL MAINS AND FROM THE COMPRESSED AIR DISTRIBUTION CIRCUIT CHECK THAT THE MACHINE IS NOT UNDER PRESSURE Tightening or retightening new belts Proceed as follows Open the front panel Ref 1 Fig 27 with the special key Remove the fixeds protections device Ref 2 3 4 Fig 27 Slacken the screws by half a turn Ref 5 Fig 27 Adjust the belt tension by turning the screw Ref 6 Fig 27 Close the screws again Ref 5 Fig 27 Tension i
4. IMPORTANT Be sure to remove electrical power to the unit before performing this voltage conversion The standard voltage configuration for the compressor is mentioned on the data plate of the machine To convert the operating voltage of the compressor for either 200V or 230V or 460V operation the following simple modifications must be performed Required Modifications 1 Adjust the motor overload OL setting Rewire the control power transformer T Replace the control power fuses FU1 with the KTK 1 1 2 fuses provided Modifiy the terminal bridge configuration for the desired voltage SL dI OU Ug Replace the VOLTAGE sticker with the appropriate voltage sticker provided To adjust the motor overload OL setting simply rotate the adjustment screw on the face of the overload to the required setting see table below Adjustment Screw 200 208V Il TE Overload OL 10 HP 15 HP mum Settings 7 5 kW 11 kW To rewire the control power transformer T remove the wire connected to the transformer terminal marked 460 and move the wire to the terminal marked with the desired voltage 200V or 230V 9 Transformer T Transformer T 38 Edition 08 2006 Cod 2200772314 04 ENGLISH The two fuses marked FU1 are easily replaced by opening the fuseholder and replacing the fuses with the KTK 1 fuses supplied with the compressor Fuses FU1 7 9
5. You switched the machine off and company on again without leaving enough Wait a few minutes before starting time for the pressure balancing the machine again The starting system of the motor is BIB Check the running and starting defective relays and condensers if any 6 The compressor is very noisy Troubles with the internal mechanical parts or with the valves Cod 2200772314 04 Edition 08 2006 27 ENGLISH PART B THIS PART OF THE INSTRUCTIONS MANUAL IS RESERVED FOR CERTIFIED FACTORY APPROVED TECHNICIANS 28 Edition 08 2006 Cod 2200772314 04 ENGLISH 20 0 STARTING UP A BEFORE PERFORMING MAINTENANCE ON THE COMPRESSOR OR DRYER MAKE SURE THAT BOTH UNITS HAVE BEEN DISCONNECTED FROM THE MAIN ELECTRIC POWER SUPPLY BY SWITCHING OFF THE DISCONNECT SWITCH TO BOTH UNITS 20 1 PRELIMINARY CHECKS Check the oil level Ref 1 Fig 23 when delivered the machine is filled with oil if the oil level is not as intended top up with the same oil as the original type If more than 3 months have passed between the inspection in the factory and the date of installation lubricate the screw group before starting up following the procedure described below Remove the protection Ref 2 Fig 23 Remove the fixed protection device machine cover Ref 3 Fig 23 Remove the cover Ref 4 Fig 23 Remove the air filter Ref 5 Fig 23 Pour a little oil into the suction unit Reassemble the air fil
6. COVER IMPORTANT A COPY OF THE WIRING DIAGRAMS CAN BE FOUND INSIDE THE ELECTRIC BOARD OF THE COMPRESSOR QUIET ROTARY SCREW COMPRESSOR UNITS HP 10 15 KW 7 5 11 MACHINE AND MANUFACTURER IDENTIFICATION DATA Position of the identification plate Fig 1 2 Edition 08 2006 Cod 2200772314 04 ENGLISH FOR TECHNICAL ASSISTANCE In the event of breakdown or malfunction of the machine switch it off and do not tamper with it If repairs are needed apply only to a technical assistance centre approved by the manufacturer and insist on the use of genuine Atlas Copco spare parts Failure to comply with the above may endanger the safety of the machine INTRODUCTION Keep this manual with care for future consultation the use and maintenance manual is an integral part of the machine Read this manual carefully before carrying out any operations on the compressor unit The installation of the compressor unit and all operations involving it must be performed in conformity with the regulations in force concerning electric plants and personal safety CHARACTERISTICS AND SAFETY PRECAUTIONS MACHINE WITH AUTOMATIC START BEFORE REMOVING THE PROTECTIVE GUARDS TO CARRY OUT ANY MAINTENANCE ON THE MACHINE SWITCH OFF THE ELECTRIC POWER SUPPLY AND DISCHARGE THE RESIDUAL PRESSURE INSIDE THE UNIT ALL ELECTRIC WORK ON THE MACHINE HOWEVER SLIGHT SHOULD BE CARRIED OUT BY PROFESSIONALLY TRAINED PERSONNEL To prevent internal co
7. for a few seconds to check if the condensation is correctly emptied from the drainage pipe Check manual drain Ref 2 Fig 19 from the tank to ensure that condensation is correctly emptied from the valve PURGE EVERY WEEK 22 Edition 08 2006 Cod 2200772314 04 ENGLISH 15 6 CLEANING THE CONDENSER BATTERY FOR DRYER BEFORE CARRYING OUT ANY MAINTENANCE IT IS OBLIGATORY TO STOP THE MACHINE AND DISCONNECT IT FROM THE POWER MAINS AND FROM THE COMPRESSED AIR DISTRIBUTION NETWORK The condenser must be cleaned every month Ref 1 Fig 20 Proceed as follows To turn in position No load the selector Rif 2 Fig 20 Wait 30 seconds to blow OFF the pressure Stop the machine turning in OFF position the isolating switch Ref 3 Fig 20 Press the button switch Hif 4 Fig 20 Turn on the differential supply switch Ref 5 on the screw compressor and Ref 6 on the dryer if fitted Fig 20 HOT PARTS INSIDE Remove the protection Ref 8 Fig 20 Clean the condenser fins Ref 1 Fig 20 with compressed air see Fig A DO NOT USE WATER OR SOLVENTS Close the protection Ref 8 Fig 20 15 7 CLEAN THE DIRT COLLECTION FILTER FOR DRYER Fig 20 BEFORE CARRYING OUT ANY MAINTENANCE STOP THE MACHINE AND DISCONNECT IT FROM THE X POWER MAINS AND FROM COMPRESSED AIR DISTRIBUTION NETWORK Proceed as follows Close the tap Ref 7 Fig 20 To turn in position No load the selector Ri
8. maintenance jobs descr bed in this chapter may be carried out by the user The more complex maintenance jobs which require professionally skilled personnel are listed in the chaper on GENERAL ROUTINE MAINTENANCE See Chap 21 0 15 1 MAINTENANCE PROGRAMME B OPERATIONS THAT MAY BE CARRIED OUT BY THE USER OPERATIONS THAT REQUIRE SKILLED PERSONNEL THESE OPERATIONS ARE ILLUSTRATED IN PART B OF THIS MANUAL These maintenance intervals are recommended for work environments that are not dusty and are will ventilated For particularly dusty environments double the frequency of controls Every 50 working hours B Drain condensate from the oil tank B Check the oil level Every 500 hours B Clean the air suction filter B Check automatic condensation emptying B Clean the condenser battery on the dryer if fitted B Clean the dirt collection filter Check belt tension Every 2000 hours B Change the suction filter Change the oil Change the oil filter Every 4000 hours Clean the finned surface of the air oil cooler Change the oil separating filter It is recommended that the compressor oil be changed once per year regardless of the number of hours of operation Oil must be changed more frequently than once per year if the compressor is installed in a dirty environment 18 Edition 08 2006 Cod 2200772314 04 ENGLISH 15 2 DRAINING CONDENSATE FROM THE OIL TANK If the compressor work cycle contempla
9. 2006 Cod 2200772314 04 2 6 0 ELECTROPNEUMATIC DIAGRAM N I i 1 i 1 SUCTION FILTER SUCTION REGULATOR SCREW COMPRESSOR OIL DISCHARGE VALVE OIL MANIFOLD OIL FILTER THERMOSTATIC VALVE AIR OIL COOLER AIR PRESSURE SWITCH AIR PRESSURE GAUGE MINIMUM PRESSURE VALVE AIR OIL SEPARATOR D ENGLISH STANDARD AIR CAPACITY AIR CIRCUIT OIL CIRCUIT CONTROL CIRCUIT AIR RECEIVER SAFETY VALVE SAFETY OIL TEMPERATURE ELECTRIC MOTOR NO LOAD RUNNING SOLENOID VALVE OIL LEVEL CONDENSATE DISCHARGE VALVE BLED SOLENOID VALVE VALVE IMPURITY TRAP CONDENSATE DISCHARGE SOLENOID VALVE Cod 2200772314 04 Edition 08 2006 35 ENGLISH 26 1 ELECTROPNEUMATIC DIAGRAM AFTERFILTER AIR PRE FILTER AIR STANDARD AIR CAPACITY NR IN SCREW COMPRESSOR CONDENSATE DISCHARGE AUTOMATIC 1 SCREW COMPRESSOR 6 PRE FILTER AIR 2 DRYER 7 SAFETY VALVE 3 AIR RECEIVER 8 CONDENSATE DISCHARGE SOLENOID VALVE 4 COCK 9 TRAP 5 AFTERFILTER AIR 10 COCK CONDENSATE DISCHARGE 36 Edition 08 2006 Cod 2200772314 04 ENGLISH 27 0 PRESSURE SWITCH ADJUSTMENT Note Adjustments can only be made when the pressure switch is pressurized The QRS compressor uses a Condor MDR1 11 pressure switch to control the starting and stopping of the compressor The stopping pressure is adjus
10. 314 04 Edition 08 2006 25 ENGLISH 19 0 TROUBLE SHOOTING AND EMERGENCY REPAIRS OPERATIONS MARKED MUST BE CARRIED OUT BY PROFESSIONALLY SKILLED PERSONNEL APPROVED THE MANUFACTURER ALL WORK MUST BE CARRIED OUT BY PROFESSIONALLY SKILLED PERSONNEL BEFORE CARRYNG OUT ANY MAINTENANCE STOP THE MACHINE AND DISCONNECT IT FROM THE POWER MAINS 19 1 TROUBLE SHOOTING AND EMERGENCY REMEDIES FOR ROTARY SCREW COMPRESSOR FAULT FOUND POSSIBLE CAUSES OBSERVATIONS 1 The machine does not start 1A no powert check the power supply line Chapter 12 2 1B the transformer protection fuse is broken replace fuse Ref 8 Fig 16 2 The machine does not start 2A the thermal protection in the main To rearm the thermic relay Ref motor has triggered OL wiring diagram 3A the oil overheating thermostat has environment temperature too high triggered improve ventilation in the compressor room Chapter 9 2 B B cooling radiator is dirty clean the radiator oil level too low top up the oil tank 3 The machine does not start 4 The compressor does not reach 4A the compressed air consumption working pressure is too high 4B the discharge electrovalve remains open Ref SOL wiring diagram B B check the electric system 5A deteriorated oil separating filter B B change the oil separating filter 5 Excess oil consumption 5B oil level is too high Chapter 23 26 Edition 08 2006 Cod 2200772314 04
11. ECTRIC MATERIAL USED FOR THE CONNECTION MUST BE SUITABLE FOR THE USE AND COMPLYING WITH THE REQUIREMENTS STATED BY THE REGULATIONS IN FORCE 12 3 CONNECTION TO THE COMPRESSED AIR NETWORK Fit a manual interception valve Ref 1 between the machine and the compressed air network so that the compressor may be isolated during maintenance operations see figure 13 PIPES FITTINGS AND CONNECTIONS USED FOR THE CONNECTION OF THE COMPRESSOR TO THE COMPRESSED AIR NETWORK MUST BE SUITABLE TO THE USE ACCORDING TO THE PRESCRIPTIONS OF THE REGULATIONS IN FORCE IN THE COUNTRY OF USE The manual drainage Ref 2 Fig 13 the condensate automatic drain Ref 3 Fig 13 are led outside the machine with a flexible pipe that may be inspected Drainage must comply with the local regulations in force ALL DAMAGE DUE TO THE FAILURE TO COMPLY WITH THESE INDICATIONS CANNOT BE ATTRIBUTED TO THE MANUFACTURER AND MAY CAUSE INVALIDITY OF THE GUARANTEE CONDITIONS 12 4 STARTING UP See part B of this manual Chpter 20 0 Cod 2200772314 04 Edition 08 2006 13 ENGLISH 13 0 DIMENSIONS AND TECHNICAL DATA Dimensions mm Dimensions mm HP 10 15 connetion HP 10 15 connetion KW 7 5 11 ue Vo KW 7 5 11 Testes e 1463 kW 7 5 kW 11 kW 7 5 kW 11 E 68 _ 14 Edition 08 2006 Cod 2200772314 04 ENGLISH bar R 134a 7 Nominal Nominal Nominal MAX TYPE Kg Power W iv Pow
12. ENGLISH 2200772314 INSTRUCTION AND MAINTENANCE MANUAL QUIET ROTARY SCREW QRS COMPRESSOR UNITS HP 10 15 KW 7 5 11 NEW DRYER FOR INSTALLATION SEE PAG 40 READ THIS MANUAL CAREFULLY BEFORE CARRYING OUT ANY OPERATIONS ON THE COMPRESSOR UNIT THIS MACHINE IS DESIGNED FOR BOTH CONTINUOUS AND INTERMITTENT OPERATION HOWEVER TO AVOID CONDENSATION PROBLEMS IN THE OIL THE MACHINE MUST OPERATE WITH AT LEAST 10 OF ITS TOTAL CAPACITY CHECK FOR SIGNS OF CONDENSATION IN THE OIL BY FOLLOWING THE INSTRUCTIONS GIVEN IN SECTION 15 2 Cod 2200772314 04 Edition 08 2006 1 ENGLISH CONTENTS PART A INFORMATION FOR THE USER 19 0 GENERAL CHARACTERISTICS INTENDED USE OPERATION GENERAL SAFETY STANDARDS DESCRIPTION OF WARNING LABELS DANGER ZONES SAFETY DEVICES POSITION OF WARNING LABELS COMPRESSOR ROOM TRANSPORT AND HANDLING UNPACKING INSTALLATION DIMENSIONS AND TECHNICAL DATA MACHINE ILLUSTRATION ORDINARY MAINTENANCE TO BE DONE BY THE USER PERIODS OF INACTIVITY SCRAPPING THE UNIT LIST OF SPARE PARTS FOR ROUTINE MAINTENANCE TROUBLE SHOOTING AND EMERGENCY REPAIRS PART B INFORMATION RESERVED FOR TECHNICALLY SKILLED PERSONNEL 20 0 STARTING UP GENERAL ORDINARY MAINTENANCE REQUIRES TRAINED PERSONNEL CHANGING THE OIL CHANGING THE OIL SEPARATING FILTER BELT TENSION REPLACING THE BELT FLOW DIAGRAM PRESSURE SWITCH ADJUSTMENT DRYER CALIBRATIONS VOLTAGE CONVERSION WIRING DIAGRAM ON THE BACK
13. Electrical label Code 2202722100 2 Plate Machine with automatic start Code 2202260791 5 Electrical label 3 Electrical label oce aM lod LL UL LY T T1 i LY ewer ATTENTION T4 USM FRE 8 2 POSITION OF WARNING LABELS FOR DRYER UNIT AND TANK The warning labels on the dryer unit are part of the machine they have been applied for safety purposes and must not be removed or damaged for any reason 1 Connector fixing data label Code D50322 3 Electrical label Code 2202711200 2 Dangers label Code D10806 WARNING ROT OPERATE 8 Edition 08 2006 Cod 2200772314 04 ENGLISH 8 3 POSITION OF THE DATA PLATE FOR COMPRESSOR UNIT FIG 8 3 8 3 Hd a at aZ EE Cod 2200772314 04 Edition 08 2006 9 ENGLISH 8 4 POSITION OF THE DATA PLATE FOR DRYER AIR RECEIVER 230 V 60 Hz three phase 9 0 COMPRESSOR ROOM 9 1 FLOOR The floor must be even and of industrial type the total weight of the machine is shown in the Chap 13 0 Hemember the total weight of the machine when positioning it 9 2 VENTILATION When the machine is operating the room temperature must not be higher than 40 or lower than 5 The volume of the room must be about 30 m The room must be provided with 2 openings for ventilation with a surface area of about 0 5 each T
14. L 15 3 CHECK OIL LEVEL AND TOP UP Stop the machine turning in OFF position the isolating switch Ref 2 Fig 17 when the selector Ref 1 Fig 17 light is ON WAIT A 10 MINUTES FOR THE FOAM IN THE OIL COLLECTOR TO ABATE Check the oil level on the indicator Ref 9 Fig 17 f the oil level is too low fill up as follows to the red line Press the button switch Rif 3 Fig 17 on the dryer if fitted Turn on the differential supply switch Ref 4 on the screw compressor and Ref 5 on the dryer if fitted Fig 17 USE OIL OF THE SAME TYPE AS THAT ALREADY IN THE MACHINE DO NOT MIX DIFFERENT TYPES OF OIL BEFORE CARRYING OUT ANY OPERATION ON THE MACHINE ENSURE THAT THE ELECTRIC POWER SUPPLY HAS BEEN DISCONNECTED Open the front protection Ref 6 Fig 17 using the special key Remove the fixed protection device machine cover Ref 7 Fig 17 Slowly unscrew the oil cap Ref 10 Fig 17 ensuring there is no pressure inside Top up to maximum level Ref 9 Fig 17 with oil of the same type in the compressor Close the oil manifold cap Ref 10 Fig 17 Close the fixed protection machine cover Ref 7 Fig 17 device again using the appropriate safety screws Close the front protection Ref 6 Fig 17 20 Edition 08 2006 Cod 2200772314 04 ENGLISH 15 4 CLEANING THE SUCTION FILTER OR CHANGING THE FILTER To turn in position No load the selector Rif 1 Fig 18 Wait 30 seconds to blo
15. RENT MANUFACTURERS AND DIFFERENT VICOSITIES GRADES NOTE ON LUBRICANTS When delivered the machine is filled with oil In normal conditions of use these lubricants have proved to be able to withstand use for as many as 4 000 hours However due to the external polluting agents that get into the compressor with the air that it takes in it is advisable to change the oil at more frequent intervals as indicated on the routine maintenance chart If the compressor is being used at high temperatures continuous operation above 90 or in particularly severe conditions we advise changing the oil at shorter intervals than those recommended in the maintenance chart OIL SPECIFICATIONS Mineral oil Although Roto inject fluid is strongly recommended mineral oil can be used after taking following precautions The previously used oil should first be drained and the system flushed The oil filter and oil separator should be replaced The oil must meet the requirements as specified below Properties high quality mineral oil with oxidation inh bitors and anti foam and anti wear properties The viscosity grade must correspond to the ambient temperature and ISO 3448 as follows Ambient temperature Viscosity grade Viscosity index Consistently above 25 degrees Celsius ISO VG 68 Between 25 and 0 degrees Celsius ISO VG 46 We recommend GAOK cleaner when switching to a mineral oil 5 gal pail part 1310250946 32 Edition 08 2006 Cod
16. RGE EVERY WEEK lt 5 o gt Qo 0 O O LL Z Q o Lu e T LO LLI O Z x 2 LLI H Z x 2 7 lt nz 20 IO SE QE tr Z 6 0 DANGERS ZONES 6 1 DANGERS ZONES FOR COMPRESSOR UNIT Risks present on the whole machine i C D as i he F T FIF E k 5 Cod 2200772314 04 Edition 08 2006 5 ENGLISH 6 2 DANGERS ZONES FOR DRYER UNIT AND TANK Risks present the whole machine 7 0 SAFETY DEVICES 7 1 SAFETY DEVICES FOR SCREW COMPRESSOR Fig 4 1 Safety screws 2 The front protection can be opened with a special key 3 Fixed protection device cooling fan pulley 4 Safety valve 5 Emergency stop 6 Oil filling cover with safety breather 6 Edition 08 2006 Cod 2200772314 04 ENGLISH 7 2 SAFETY DEVICES FOR DRYER UNIT AND TANK 1 Safety valve 2 Protective switch cover 3 Protective pressure switch cover 4 Relay for refrigerant compressor automatic 5 Overload protector for refrigerant compressor Cod 2200772314 04 Edition 08 2006 7 ENGLISH 8 0 POSITION WARNING LABELS 8 1 POSITION OF THE WARNING LABELS FOR COMPRESSOR UNIT The plates fitted on the compressor unit are part of the machine they have been applied for safety purposes and must not be removed or spoiled for any reason 1 Dangers plate Code 2202260791 4
17. These cables are part of the machine I 4 m 12 ft PHASE INCORRECT WARNING TO PREVENT WRONG ROTATION DIRECTION THIS UNIT IS EQUIPPED WITH A PHASE SEQUENCE CONTROLLER THE UNIT DOESN T START UP PLEASE REVERSE TWO PHASES ACCORDING THE USER MANUAL INDICATION ALL WORK ON THE ELECTRIC PLANT HOWEVER SLIGHT MUST BE CARRIED OUT BY PROFESSIONALLY SKILLED PERSONNEL 30 Edition 08 2006 Cod 2200772314 04 ENGLISH 21 0 MAINTENANCE REQUIRES COMPLETE KNOWLEDGE AND UNDERSTANDING OF COMPRESSOR OPERATION AND MAINTENANCE BEFORE PERFORMING ANY MAINTENANCE PROCEDURES IT IS NECESSARY TO STOP BOTH THE COMPRESSOR AND DRYER AND DISCONNECT BOTH UNITS FROM THE MAIN POWER SUPPLY AND CLOSE THE AIR VALVE TO THE AIR SYSTEM MAINTENANCE SCHEDULE These maintenance intervals are recommended for work environments that are not dusty and are will ventilated For particularly dusty environments double the frequency of controls Every 50 working hours B Drain condensate from the oil tank B Check the oil level Every 500 hours B Clean the air suction filter B Check automatic condensation emptying B Clean the condenser battery on the dryer if fitted B Clean the dirt collection filter Check belt tension B Change the suction filter Every 2000 hours Change the oil Change the oil filter Every 4000 hours Clean the finned surface of the air oil cooler Change the oil separating filter It is recomme
18. ed Fig 21 Release pressure from the machine by turning on the tap Ref 3 Fig 21 Close the taps Rif 3 Fig 21 off again after discharging all the residual air pressure FF H i During periods of inactivity the weather must be protected against atmospheric agents dust and humidity which could damage the motor and the electrical system To restart the machine after periods of inactivity consult the manufacturer 17 0 If the machine is to be scrapped it must be dismantled into parts the same material to be disposed of according to the local regulations in force ALWAYS RESPECT THE REGULATIONS IN FORCE FOR DISPOSING OF OLD OIL AND OTHER POLLUTING MATERIALS SUCH AS SOUND DEADENING INSULATING FOAM ETC 24 Edition 08 2006 Cod 2200772314 04 ENGLISH 18 0 LIST OF SPARE PARTS FOR ROUTINE MAINTENANCE HP 10 kW 7 5 m m j m m m m m Q ty 2 o QIO v Olly e Pa N Q N d Q e DESCRIPTION olo Olo OIO i gt Gg LL en e 0367 0100 56 5 Liter Roto inject 2901 0245 01 Oil filter Ref Suction air filter Cod 2200772
19. er W Power W DRYER S0Hz 60Hz 50Hz 60 50Hz 60Hz 5OHz 60Hz 89 0450 0400 0500 0500 Reference conditions Limit conditions Ambient temperature 25 C Max ambient temperature 40 Inlet air temperature 35 C Min ambient temperature 5 C Pressure 7 bar Max inlet air temperature 55 Dew point in pressure 3 C Max working pressure 16 bar 14 0 MACHINE ILLUSTRATION 14 1 GENERAL LAY OUT FOR DRYER AND TANK 1 Refrigerant compressor 11 Expansion capillary tube 2 Condenser 12 Refrigerant filter 3 Motor fan 13 Safety valve Compressed air tank 4 Evaporator 14 Condensate drain solenoid valve 5 Demister condensate separator 15 Condensate manual drainage 6 Pressostat 16 Compressed air tank 7 Hot gas bypass valve 17 Impurity trap 8 Control panel 9 Switch IT IS FORBIDDEN TO TAMPERE WITH 10 Dew point thermometer SETTING VALUES OF THE SAFETY VALVE Cod 2200772314 04 Edition 08 2006 15 ENGLISH 14 2 GENERAL LAY OUT FOR SCREW COMPRESSOR Air suction filter Thermostatic valve Oil filter Air oil cooler Suction unit Belt tightening system Minimum pressure valve Air oil separator with oil separating filter Top up or oil filling cap Control panel Oil gauge c 16 Edition 08 2006 Cod 2200772314 04 12 discharge 13 Oil tank 14 Delivery pressure gauge 15 Safety valve 16 Electric motor 17 Screw c
20. f 2 Fig 20 Wait 30 seconds to blow OFF the pressure Stop the machine turning in OFF position the isolating switch Ref 3 Fig 20 Depressurise the dryer by pressing the TEST condensation emptying button for about 10 20 seconds which is fitted on the timer Ref 11 Fig 20 Cod 2200772314 04 Edition 08 2006 23 ENGLISH Press the button switch Hif 4 Fig 20 Turn on the differential supply switch Ref 5 on the screw compressor and Ref 6 on the dryer if fitted Fig 20 Close the cock Ref 13 Fig 20 Release pressure from the machine by turning on the tap Ref 12 Fig 20 Remove the stopper Ref 10 Fig 20 Remove the filter Ref 9 Fig 20 Clean the filter Ref 9 Fig 20 with a jet of air working from inside to outside Install the filter fix the plug 16 0 PERIODS OF INACTIVITY If the machine has to remain inactive for a long period Close the tap Ref 1 and Ref 2 Fig 21 Depressurise the dryer by pressing the TEST condensation emptying button for about 10 20 seconds which is fitted on the timer Ref 11 Fig 20 To turn in position No load the selector 4 Fig 21 Wait 30 seconds to blow OFF the pressure Stop the machine turning in OFF position the isolating switch Ref 5 Fig 21 Press the button switch Rif 6 Fig 21 on the dryer if fitted Turn the differential supply switch Ref 7 on the screw compressor and Ref 8 on the dryer if fitt
21. he first opening must be in a high position to evacuate the hot air the second opening must be low to allow the intake of external air for ventilation If the environment is dusty it is advisable to fit a filtering panel on this opening 9 3 EXAMPLES OF VENTILATION OF THE COMPRESSOR ROOM P adi FAN AIR OUTPUT IF NEEDED Cool Air Inlet Warm Air Discharge 10 Edition 08 2006 Cod 2200772314 04 ENGLISH 10 0 TRANSPORT AND HANDLING The machine must be transported as shown in the following figures L m 6 18 ft minimum Tapes ISO 4878 Spacer bar for Xue protection body Attention it is recommended of to 0 position the tape like Spacer bar for specific in figure protection body 11 0 UNPACKING After removing the packing ensure that the machine is unbroken and that there are no visibly damaged parts If you are in doubt do not use the machine but apply to the manufacturer technical assistance service or to your dealer The packing material plastic bags polystyrene foam nails screws wood metal strapping etc must not be left within the reach of children or abandoned in the environment as they are a potential source of danger and pollution Dispose of these materials in the approved collection centres Cod 2200772314 04 Edition 08 2006 11 ENGLISH 12 0 INSTALLATION 12 1 POSITIONING After unpacking the equipment and preparing the compressor room put the machine into posi
22. k is carried out which releases substances into the environment which are dangerous with regard to safety for example solvents flammable vapours alcohol etc In particular the compressor cannot be used to produce air to be breathed by humans or used on direct contact with foodstuffs These uses are allowed if the compressed air produced is filtered by means of a suitable filtering system Consult the manufacturer for these special uses This compressor must be used only for the purpose for which it was specifically designed All other uses are to be considered incorrect and therefore unreasonable The Manufacturer cannot be held responsible for any damage resulting from improper incorrect or unreasonable use The lubricating liquids and other eventual fluids must not be discharged in the environment These polluting and hazardous products must compulsory be disposed by charging authorised and specialised firms according to the different typology of product Differentiate the compressor components according to the different construction materials plastic copper iron oil filter air filter ecc Cod 2200772314 04 Edition 08 2006 3 ENGLISH 3 1 OPERATION FOR COMPRESSOR The electric motor and the compressor unit are coupled by means of a belt transmission The compressor unit takes in the outside air through the suction valve The intake air is filtered by the filter cartridge fitted upstream from the intake valve Inside the c
23. n 08 2006 Cod 2200772314 04 ENGLISH 8 0 POSITION OF PLATES 8 1 POSITION OF THE DANGER PLATES The plates fitted on the compressor unit are part of the machine they have been applied for safety purposes and must not be removed or spoiled for any reason Freon Nominal Nominal Nominal MAX Weight Kg Power Power powerrW N 3 14 0 MACHINE ILLUSTRATION 14 1 GENERAL LAY OUT FIG 32 X Moorfan Cod 2200772314 04 Edition 08 2006 41 ENGLISH 14 2 COMMAND AND CONTROL PANEL BEFORE CARRYING OUT THE OPERATION TEST READ CAREFULLY AND ACQUIRE A GOOD KNOWLEDGE OF THE COMMAND FUNCTIONS Ref 1 Dew point indicator Ref 2 Stop Running button 1 FIG 33 15 5 CHECKING THE AUTOMATIC AND MANUAL CONDENSATION EMPTYING FOR DRYER AND TANK The automatic and manual Rif 1 and Ref 2 Fig 34 condensation emptying should be checked every 500 hours or once a month Proceed as follows Press the TEST button Ref 2 Fig 34 for a few seconds to check if the condensation is correctly emptied from the drainage pipe Check manual condensation emptying from the tank to ensure that condensation is correctly emptied from the valve Ref 1 Fig 34 PURGE EVERY WEEK 15 7 CLEANING THE CONDENSER BATTERY FOR DRYER The condenser must be cleaned every month Ref 1 Fig 35 Proceed as follows T
24. nded that the compressor oil be changed once per year reardless of the number of hours of operation Oil must be changed more frequently than once per year if the compressor is operating in a dirty enviroment N B THE OPERATIONS MARKED ARE DESCRIBED IN PART A OF THIS MANUAL ON CHAPTER 15 1 Cod 2200772314 04 Edition 08 2006 31 ENGLISH 22 0 CHANGING THE OIL CAUTION THIS OPERATION MUST BE DONE TOGETHER WITH THE OIL FILTER AND AIR FILTER EXCHANGE BEFORE CARRYING OUT ANY MAINTENANCE JOBS IT IS OBLIGATORY TO STOP THE MACHINE AND DISCONNECT IT FROM THE POWER MAINS AND FROM THE COMPRESSED AIR DISTRIBUTION NETWORK Oil changing is an important operation for the compressor If the lubrication of the bearing is not efficient the compressor life will be short The oil must be changed when the machine is still warm that is immediately after stopping it The suggestions listed below should be scrupulously followed After draining the old oil out of the machine Ref 1 Fig 25 Fill the oil manifold Ref 2 Fig 25 up to the level mark Close all the protections cover and front protection Start the compressor After about 1 minute stop the machine turning in OFF position the isolating switch Ref 3 Fig 25 PROCEED AS DESCRIBED AT CHAPTER 15 3 DO NOT EXCEED THE MAXIMUM LEVEL THE OLD OIL MUST BE DISPOSED OF IN COMPLIANCE WITH THE LOCAL REGULATIONS IN FORCE DO NOT MIX DIFFERENT OILS FROM DIFFE
25. o turn in position No load the selector Rif 2 Fig 35 Stop the machine turning in OFF position the isolating switch Ref 3 Fig 35 Press the button switch Rif 4 Fig 35 Turn on the differential supply switch Ref 5 on the screw compressor and Ref 6 on the dryer if fitted Fig 35 HOT PARTS INSIDE Remove the cover Ref 7 Fig 35 Clean the condenser fins Ref 1 Fig 35 with compressed air see Fig 35 DO NOT USE WATER OR SOLVENTS Close the cover Ret 7 Fig 35 DIRE ES 42 Edition 08 2006 Cod 2200772314 04 ENGLISH 15 8 CLEANING OF THE AUTOMATIC CONDENSWATER DISCARGER FILTER Clean the filter of the steam trap Proceed as follows Close the cock Ref 1 Fig 36 To turn in position No load the selector Rif 2 Fig 36 Stop the machine turning in OFF position the isolating switch Ref 3 Fig 36 Turn on the supply automatic differential switch Ref 4 Fig 36 Release the pressure in the dryer by pressing the condensate drain TEST pushbutton locate on the steam trap Ref 5 Fig 36 Switch off the machine by pressing the STOP button Ref 6 Fig 36 Turn on the supply automatic differential switch Ref 7 Fig 36 HOT PARTS INSIDE Remove the cover Ref 8 Fig 36 Remove the stopper Ref 9 Fig 36 Remove the filter Ref 10 Fig 36 Clean the filter with a jet of air working from inside to outside Install the filter fix the plug Ref 9 10 Fig 36 Close the cove
26. ompressor IT IS FORBIDDEN TO TAMPERE WITH THE SETTING VALUES OF THE SAFETY VALVE ENGLISH 14 3 COMMAND AND CONTROL PANEL BEFORE CARRYING OUT THE OPERATION TEST READ CAREFULLY AND ACQUIRE A GOOD KNOWLEDGE OF THE COMMAND FUNCTIONS DRYER CONTROL e PT No load COMPRESSOR CONTROL PANEL 1 Delivery pressure gauge 2 Isolating switch also used as emergency stop 3 Work hour counter indicates the hours of operation 4 Operation lamp 5 Start No Load selector for compressor 6 STOP START selector dryer 7 Dew point indicator 8 Fuses for transformer IMPORTANT WHEN THE SWITCH Ref 2 and 6 IS IN POSITION OFF THE TERMINALS ARE STILL LIVE STARTING Turn ON the isolating switch Ref 2 Move the selector Ref 5 to position 1 the selector will return automatically he compressor starts running operation lamp Ref 4 lights up STOPPING Move the selector Ref 5 to position No Load Wait 30 seconds to blow OFF the pressure Turn OFF the isolating switch Ref 2 4 CAUTION WAIT AT LEAST 30 SECONDS BEFORE STARTING MACHINE AFTER SWITCH OFF Cod 2200772314 04 Edition 08 2006 17 ENGLISH 15 0 ORDINARY MAINTENANCE TO BE DONE BY THE USER BEFORE CARRYING OUT ANY MAINTENANCE IT IS OBLIGATORY TO STOP THE MACHINE AND DISCONNECT IT FROM THE POWER MAINS AND FROM THE COMPRESSED AIR DISTRIBUTION NETWORK The
27. ompressor unit the air and the lubricating oil are compressed and sent to the oil separating tank where the oil is separated from the compressed air the air is then filtered again by the oil separating cartridge to reduce the amount of suspended oil particles to a minimum The machine is fitted with a suitable air cooling System The machine is protected by a special safety thermostat if the oil temperature reaches 105 110 the machine cuts out automatically 3 2 OPERATION FOR DRYER Air flows from the tank to the drier and is then dried and sent to the distribution network Dryer operation is described below The gaseous refrigerant coming from the evaporator 4 is sucked by the refrigeration compressor 1 and it is pumped into the condenser 2 This allows its condensation eventually with the help of the fan 3 the condensed refrigerant passes through the dewatering filter 8 and it expands through the capillary tube 7 and goes back to the evaporator where it produces the refrigerating effect Due to the heat exchange with the compressed air which passes through the evaporator against the stream the refrigerant evaporates and goes back to the compressor for a new cycle The circuit is equipped with a bypass system for the refrigerant this intervenes to adjust the available refrigerating capacity to the actual cooling load This is achieved by injecting hot gas under the control of the valve 9 this valve keeps constant the pressu
28. r Ref 8 Fig 36 27 0 CALIBRACION FOR DRYER CALIBRATIONS BYPASS VALVE FOR HOT GAS N B These valves have already been calibrated and they do not require any adjistment A dew point different from the rated one generally depends on causes which are not attributable to their operation Ref 1 Closing cap Ref 2 Adiusting screw WORKING PRESSURES AND TEMPERATURES OF R134A SUCTION SIDE OF REFRIGERATION COMPRESSOR E vaporatin Temperat 9 C Pressure bar RATED VALUES R 134A Temperat 20 C 1 2 Cod 2200772314 04 Edition 08 2006 43 ENGLISH NOTE 44 Edition 08 2006 Cod 2200772314 04
29. re of the refrigerant in the evaporator and therefore also the dew point never decreases below 0 in order to prevent the condensate from freezing inside the evaporator The drier runs completely automatically it is calibrated in the factory for a dew point of 3 C and therefore no further calibrations are required DRYER FLOW DIAGRAM AIR OUTLET AIR INLET D E CONDENSATE DRAIN 4 0 GENERAL SAFETY STANDARDS The compressor may be used only by specially trained and authorized personnel Any tampering with the machine or alterations not approved beforehand by the Manufacturer relieve the latter of responsibility for any damage resulting from the above actions The removal of or tampering with the safety devices constitutes a violation of the European Standards on safety ATTENTION UPSTREAM OF THE MACHINE INSTALLAN ISOLATOR KNIFE SWITCH WITH AN AUTOMATIC CUTOUT AGAINST CURRENT SURGES AND EQUIPPED WITH A DIFFERENTIAL DEVICE FOR CALIBRATIONS SEE WIRING DIAGRAM ON LAST PAGE ALL ELECTRIC WORK ON THE MACHINE HOWERE SLIGHT SHOULD BE CARRIED OUT BY PROFESSIONALLY TRAINED PERSONNEL 4 Edition 08 2006 Cod 2200772314 04 I 2 A I I 5 0 DESCRIPTION OF WARMING LABELS 1 FLUID EJECTION 2 DANGEROUS ELECTRIC VOLTAGE 8 MOVING PARTS 9 FAN ROTATING 3 AIR NOT FIT FOR BREATHING 4 NOISE 5 MACHINE WITH AUTOMATIC START 10 PU
30. rrosion which could compromise the safety of the compressed air tank the condensation that is produced must be discharged at least once a week The thickness of the tank should be controlled against legislation currently in force in the country where the tank is installed The tank cannot be used and must be replaced if the thickness falls below the level given in the instruction documents for the tank The tank can be used within the temperature limits given in the conformity declaration The manufacturer does not accept respons bility for damage caused as a result of negligence of failure to abide by the instructions given above THIS MACHINE IS NOT SUITABLE FOR EXTERNAL INSTALLATION THIS MACHINE CORRESPOND TO THE ESSENTIAL SAFETY REQUIREMENTS FORESEEN FROM THE EUROPEAN STANDARD 98 37 CE AND THE RULE EN 292 1 0 GENERAL CHARACTERISTICS The compressor units use single stage screw rotary air compressors with oil injection The system is self bearing and does not require bolts or other devices to anchor it to the floor The unit is completely assembled in the factory the necessary connections for setting it up are e connection to the power mains see installation chapter e connection to the compressed air network see installation chapter 2 0 INTENDED USE The compressor has been built to supply compressed air for industrial use The machine cannot be used in premises where there is a risk of fire or explosion or where wor
31. s correct if when a force of 5 kg Is exercised halfway along the belt between the pulleys there is an offset of about 6 mm see Fig A Close the fixeds protections Ref 2 3 4 Fig 27 device again using the appropriate safety screws Close the panel Ref 1 Fig 27 25 0 REPLACING THE BELT BEFORE CARRYING OUT ANY MAINTENANCE MACHINE MUST BE STOPPED CUT OFF THE MACHINE FROM THE ELECTRICAL MAINS AND FROM THE COMPRESSED AIR DISTRIBUTION CIRCUIT CHECK THAT THE MACHINE IS NOT UNDER PRESSURE Proceed as follows Open the front panel Ref 1 Fig 27 with the special key Remove the fixeds protections device Ref 2 3 Fig 27 Slacken the screws by half a turn Ref 1 Fig 28 Release belt tension by unscrewing the screw Ref 2 Fig 28 Cod 2200772314 04 Edition 08 2006 33 ENGLISH Unscrew screws Ref 3 Fig 28 remove the fan cowl Ref 4 Dismantle and remove the belt Ref 5 Q ty 2 from the fan opening and fit the new belt following the instructions in reverse order To set belt tension proceed as given in Chap 24 0 Reassemble the fan cowl Ref 4 Fig 28 Reassemble the permanent protections Ref 2 Fig 27 fixing them in place with the special safety screws Close the panel Ref 1 Fig 27 1 F25kg force to be applied at the centre line at right angles to the new belt 2 6 mm clearance after the application of F after 100 h operation F kg 34 Edition 08
32. ted by rotating the adjustment screw clockwise to raise the pressure set point and counter clockwise to lower the set point The adjustment screw is accessible by removing the pressure switch cover The pressure differential between stopping and starting is a fixed setting at 2 bar approx 30 psi 28 0 DRYER CALIBRACION HOT GAS BYPASS VALVE N B these valves have already been calibrated and they do not require any adjistment A dew point different from the rated one generally depends on causes which are not attributable to their operation T 1 Protective cover 2 Adiusting screw WORKING PRESSURES AND TEMPERATURES OF R134a SUCTION SIDE OF DELIVERY SIDE OF REFRIGERATION COMPRESSOR REFRIGERATION COMPRESSOR E vaporat E vaporating Suction Condensing Condensing Delivery Temperat Pressure bar Temperat Pressure C C bar RATED VALUES 123 Max Permess Values 28 1 FLOW DIAGRAM OF THE DRYER AIR OUTLET 4 AIR INLET 11 CONDENSATE X DRAIN REFRIGERANT COMPRESSOR 9 HOT GAS BYPASS VALVE 2 FREON CONDENSER 10 AIR TO AIR EXCANGER EXCEPTD1 D2 D 3 D 4 3 MOTOR FAN 11 DEW POINT THERMOMETER 4 EVAPORATOR 12 FAN PRESSURE SWITCH 5 DEMISTER CONDENSATE SEPARATOR 13 LIQUID SEPARATOR 6 IMPURITY TRAP 14 CONDENSATE DISCHARGE SOLENOID VALVE 7 EXPANSION CAPILLARY TUBE 15 TIMER RELAY 8 REFRIGERATION FLUID FILTER Cod 2200772314 04 Edition 08 2006 37 ENGLISH 29 0 VOLTAGE CONVERSION
33. ter Ref 5 Fig 23 Reassemble the cover Ref 4 Fig 23 If more than 6 months have passed between the inspection in the factory and the date of installation consul the manufacturer 20 2 STARTING THE DRYER Start the dryer before turning on the compressed air The compressed air piping will be free of condensate only by doing so The dryer must be kept running during all the time the air compressor is running WARNING if the dryer is switched off before starting it again wait at least 5 minutes in order to allow the pressure balancing Cod 2200772314 04 Edition 08 2006 29 ENGLISH 20 3 CHECK THE COMPRESSOR ROTATION DIRECTION AND START UP Check that all the protective shields are in place Apply voltage to the control panel by operating the automatic differential switch of the line Ref 1 Fig 24 Start the compressor by turning the switch to ON Ref 2 Fig 24 and after 1 second stop it by turning the switch to OFF If the rotation is correct the paper sheet Ref 3 is blown up See Fig A If the rotation is not correct the paper sheet remains flat See Fig B PHASE INCORRECT ALL WORK ON THE ELECTRIC PLANT HOWEVER SLIGHT MUST BE CARRIED OUT BY PROFESSIONALLY SKILLED PERSONNEL Disconnect the energy supply and invert two connections as per Ref 1 Fig B IT IS ADVISABLE NOT TO DO ANYTHING ON THE MACHINE PANEL IF ALL THE INSTRUCTIONS FOUND IN THIS MANUAL HAVE BEEN OBSERVED THE MACHINE CAN BE STARTED
34. tes long pauses during which the machine cools down a certain amount of condensate will gather in the oil tank This happens for example when stopping overnight or at weekends The condensate must be drained off every 50 hours or every week This operation may be performed only when the machine is cold that is when it has been switched off for at least 8 hours BEFORE DRAINING THE CONDENSATE IT IS OBLIGATORY TO STOP THE MACHINE AND DISCONNECT IT FROM THE POWER MAINS Proceed as follows To turn in position No load the selector Rif 1 Fig 17 Wait 30 seconds to blow OFF the pressure Stop the machine turning in OFF position the isolating switch Ref 2 Fig 17 Press the button switch Rif 3 Fig 17 on the dryer if fitted Turn on the differential supply switch Ref 4 on the screw compressor and Ref 5 on the dryer if fitted Fig 17 Cod 2200772314 04 Edition 08 2006 19 ENGLISH Wait for the machine to cool down Remove the panel Ref 6 Fig 17 with the key provided SLOWLY turn on the tap Ref 8 Fig 17 and let the condensate flow out When the first traces of oil appear turn off the tap CONDENSATE MUST BE DISPOSED OF IN CONFORMITY WITH THE LOCAL REGULATIONS IN FORCE Check the oil level on the indicator Ref 9 Fig 17 If the oil level is under the minimum top up as descr bed at point 15 3 USE OIL OF THE SAME TYPE AS THAT ALREADY IN THE MACHINE DO NOT MIX DIFFERENT TYPES OF OI
35. tion checking the following items PROTECT THE POWER lt lt CABLE WITH A SUITABLE CONDUIT SPACE FOR MAINTENANCE MINIMUM mt 1 5 4 5 ft THREE PHASE OR SINGLE PHASE ROTARY SCREW COMPRESSOR SUPPLY LEAD ENSURE THAT OPERATOR CAN SEE THE WHOLE MACHINE FROM CONTROL PANEL AND CHECK THE PRESENCE OF ANY UNAUTHORIZED PERSONS IN THE VICINITY OF THE MACHINE 12 2 ELECTRICAL CONNECTION e Check that the supply voltage is the same as the value indicated on the machine data plate CAUTION the compressor Ref 3 and the dryer Ref 4 have two separate feeds respectively three phase or single phase and single phase e Check the condition of the line leads and ensure that there is an efficient earth lead e Ensure that there is an automatic cut out device upstream for the machine against overcurrents with a differential device see Ref 1 for compresseur Ref 2 for dryer wiring diagram e Connect the machine power cables with the greatest care according to the standards in force These cables must be as indicated on the machine wiring diagram ONLY PROFESSIONALLY TRAINED PERSONNEL MAY HAVE ACCESS TO THE ELECTRIC PANEL SWITCH OFF THE POWER BEFORE OPENING THE DOOR OF THE ELECTRIC PANEL COMPLIANCE WITH THE REGULATIONS IN FORCE CONCERNING ELECTRIC PLANTS IS FUNDAMENTAL FOR OPERATOR SAFETY AND FOR THE PROTECTION OF THE MACHINE 12 Edition 08 2006 Cod 2200772314 04 ENGLISH CABLES PLUGS AND ALL OTHER TYPE OF EL
36. w OFF the pressure Stop the machine turning in OFF position the isolating switch Ref 2 Fig 18 Press the button switch Rif 3 Fig 18 on the dryer if fitted Turn on the differential supply switch Ref 4 on the screw compressor and Ref 5 on the dryer if fitted Fig 18 HOT PARTS INSIDE Remove the fixed protection device machine cover Ref 6 Fig 18 Remove the cover Ref 7 Fig 18 Check the direction of the arrow Remove the filter Ref 8 Fig 18 AVOID DROPPING FOREIGN BODIES INTO THE SUCTION MANIFOLD Clean the filter with a jet of air working from inside to outside DO NOT USE WATER OR SOLVENTS Alternatively fit a new filter Clean the disk on which the filter rests with a clean cloth Fit the filter and the cover If necessary dispose of the old filter in conformity with the local regulations in force Close the fixed protection machine cover Ref 6 Fig 18 device again using the appropriate safety screws Cod 2200772314 04 Edition 08 2006 21 ENGLISH 15 5 CHECKING THE AUTOMATIC AND MANUAL CONDENSATION EMPTYING FOR DRYER AND TANK BEFORE CARRYING OUT ANY MAINTENANCE STOP THE MACHINE AND DISCONNECT IT FROM THE POWER MAINS AND FROM THE COMPRESSED AIR DISTRIBUTION NETWORK The automatic and manual Rif 1 and Ref 2 Fig 19 condensation drains should be checked every 500 hours or once a month Proceed as follows Press the TEST button Ref 1 Fig 19
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