E / 1 ENGLISH FOREWORD .......................................................
Contents
1. Service pressure switch Compressor motor cut out Compressor motor condenser Head solenoid valve Description MC Compressor motor Ref S Y F C yee eA e piousjos Dau AIBA plou los peeu eui OL yea uos eunsseJd IANS Jojoui JosseJdujo9 ay OL AJEA prougjos peeu au OL yoyms eunssejd alas ul014 Jojoui JosseJdujo9 ay OL Vue eunsseJd 9IAJ S WOI U9jIMS eJnsseJd S OL Ienn u ood UojIMs eJnsseJd eoiujes OL eseud 19M0d yes Jojoul Jossaidwog PEL L N INILTLTN1N1 yes Jamod Med 300 50F 2 5M ES 5M ES 1 75M ES Med 150 24F Med 102 24F 0 Dryer type AF Y2 Y1 Description Service pressure switch Drier electro fan cut out Head solenoid valve Compressor motor Drier fan motor Drier timer motor Compressor motor cut out Compressor motor condenser Ref Y1 Y2 Drier solenoid valves MC Mv Mt F F1 S Y yee aajea plouajos peay Quee uols eJnsseid SL 9 plou los peay au oL Jewod uej ooeje jeug Jo OW JosseJduio9 ay OL Us eJnssejd o9IA18S WOl4 AIeA plou los peeu au oL damod uej ogoe e Jeug 40joui JosseJduio9 y OL Uwe eJnsseJd goes WOI J mod uej ojoeje 1eug Vue euns2. Compressor motor cut out Service pressure switch Head solenoid valve Inner fan cut out Inner room thermostat Compressor motor Inner fan motor Description Compressor motor condenser Ref MC Mvi F F1 ST S Y yes anjeA plouajos peeH SATEA plousjos peau y OL yee uojMs ainsseid eoiueg JO OW JOSSAIGWOD y OL SATEA plousjos peau y OL yoyIMs ainssaid 3IA19S WOJ Jo OW Jossejduioo oun OL JOJOW uej Jeuui OU OL yous ainsseid 9IAJ9S uioJ4 Uu einsseid 9IAJ9S OL Jejsouneuy WOOT JeUui OL Ienn u JaMod Ups einsseud ales OL eseud jewod yea Jojo JosseJduio2 PEL L N NL L1IN1N1 Quee wO C ENGLISH E 13 8 WIRING DIAGRAMS Dr Sonic 102 24F ES Dr Sonic 150 24F ES Dr sonic 300 50F ES Drier Type AF C D N s ig s xz 5 Sais 3 2 S 38 S 8 e amp l e S El
3. PE Serv press switch earth S M2_motor earth e M1 motor earth GH NL NL Ref Description QS Door lock main switch F3 F4 Ceramic fuse 5x20 4A F5 F6 Ceramic fuse 5x20 2A Service pressure switch M1 M2 Compressor motors K1 Compressor motor 1 contactor K2 Compressor motor 2 contactor NL S Comp 2 head drain sol valve Yt2 F1 S1 Thermal relay compressor motor 1 reset Mi Em Comp need dra selovelve LYH F2 S2 Thermal relay compressor motor 2 reset M FUSE 2A F6 S Service pressure switch FUSE 2A F5 D Electronic control board FUSE 4A F4 H Green lum signal for power ON FUSE 4A F3 Yt1 Yt2 Compressor head drain sol valves E 15 ENGLISH 8 WIRING DIAGRAMS Control Board Dr Sonic 600 ES V400 50 60Hz D i z D elsi T Te s Taf u 1 fe AJ NE K1 Ke Ke K2 T sn E x asco Vest A A y Power earth unb YeH r Gi Serv pressure switch earth M2 motor earth ro M1 motor earth L I Ni NI sr Ref Description 16 Ez Comp 2 drier Qs Door lock main switch 16 F3 F4 Ceramic fuse 5x20 4A HB F5 F6 Ceramic fuse 5x20 2A 3 EE Comp 1 drier
4. 11 7 TROUBLESHOOTING x uuu UU U usa E 11 8 WIRING DIAGRAMS cesses E 12 E 1 ENGLISH FOREWORD How to use this instructions manual This manual is an integral part of your compressor and shall be kept with it for future reference Retain this manual in a suitable place and when consulting it take care of not spoiling it Should your compressor be resold entrust it to the new owner who will obviously need the information contained Before starting the compressor read this manual carefully so as to understand the contents clearly consult it whenever any doubt arise This manual contains information useful for your safety Follow the indications contained in it and perform the recommended procedures which if not properly observed could result in damage to equipment or could cause personal injury Moreover you will find useful information which will make the use and maintenance of your compressor easier Should the manual be lost ask for a new copy This manual does not include the spare parts list which is available by our Authorized Resellers Symbols used in this manual A In order to make evident same special information the following symbols are used WARNING It refers to safety instructions to be complied with in order to ensure maximum safety conditions to the operator as well as to people in the working area NOTE Recommended instructions or precautionary measures to facilitate mai
5. 3 sz s 3 s 3 E 5 5 5 SS 2 8 8 8 3 3 2 E a rj a a o gg 8 s 5 35 8 8 s o ol 9 3 5 E 5 g g 2 g 2 3 e E 5 8 f 4 _ 8 ejej 2 e 2 e e e PE L LININ IL1 UNE s e a 8 ST 5 D a z 8 3 8 2 8 S MC Compressor motor amp amp 5 5 3 Mv Drier fan motor g 2 8 3 Mt Drier timer motor S 3 a 3 2 3 2 3 a z 5 amp 8 2 5 2 S 2 p Mvi nner fan motor 5 s 5 5 5 5 i F Compressor motor cut out flal lela lcl lcl dla Fi Drier electro fan cut out F2 nner fan cut out ST nner room thermostat S Service pressure switch b Head solenoid valve Y1 Y2 Drier solenoid valves C Compressor motor condenser 8 s s B 5 22 5 B BN s 8 8 i 5 5 Dr Sonic 102 24F ES Dr Sonic 150 24F ES o c Ed 4 D D Ze 8 B Dr sonic 300 50F ES Qa ke E R4 g 8r 3 8 5 5 Drier Artic F gt Zi e o e 9 E a s o e ef B e et Fy OP P D S C m jumper o PE LEAL NON LIZALIINEZANt i Mu F Le Na N N M T ol 8 J el 2 PEo eg 8 2 si 3 E GE i 8 amp g 8 8 H 1 D SIS 5 z 5 2 5 8 s 8 H Y l As E ST i N T OP FI u MC Compressor motor Mv Drier fan motor L ki Kt Timer Mvi Inner fan motor H 1 F Compressor motor cut out F1 Drier electro fan cut out I Y1 Y2 F2 Inner fan cut out
6. MURS Nee Jae ST Inner room thermostat S Service pressure switch Y Head solenoid valve Y1 Y2 Drier solenoid valves Compressor motor condenser E 14 8 WIRING DIAGRAMS Control Board Dr Sonic 600 V400 50 60Hz Power earth PE ro d sre Serv pres switch earth S o e M2 motor earth o M1 motor earth E 18 17 N NI 16 16 Ref Description P Qs Door lock main switch 5 F3 F4 Ceramic fuse 5x20 4A B F5 F6 Ceramic fuse 5x20 2A ETN Ka F7 F8 Inner fan cut out 9 SE Service pressure switch ST1 ST2 Inner room thermostats 4 Comp 2 Inner tan Mv1 Mv2 Inner fan motors 3 FFEESRE Comp 1 inner fan M1 M2 Compressor motors Nj Lf Comp 2 head drain sol valve Yt2 K1 C 1 NE L Comp 1 head drain sol valve Yt1 ompressor motor 1 contactor Ni K2 Compressor motor 2 contactor FUSE 2A F6 F1 S1 Thermal relay compressor motor 1 reset FUSE 2A F5 F2 S2 Thermal relay compressor motor 2 reset EE A F4 S Service pressure switch F3 D Electronic control board H Green lum signal for power ON Yt1 Yt2 Compressor head drain sol valves Control Board Med 600 V400 50 60Hz Power earth
7. TROUBLESHOOTING Fault The pressure switch valve leaks when the compressor is idle Cause Non return valve seal defective Remedy Make air in the tank flow out Then remove the non return valve plug and clean the seat If necessary replace the seal then mount again all components The pressure switch valve leaks when the compressor has been running for more than 1 minute The compressor stopped and does not start Failure of the empty start valve Overload cutout operated because of motor overheating Replace the valve By the pressure switch cut off voltage and press the button to start If the overload cutout operates again contact a specialised technician The compressor stopped and does not start Winding bornt out Contact a specialised technician The compressor does not stop eventhough the max pressure allowed has been reached the safety valve operates Wrong operation or pressure switch broken Contact a specialised technician The compressor does not get to the set pressure and overheats too much Compressor head gasket broken or valve faulty Stop the compressor and contact a specialised technician The compressor is noisy with metallic clangs Bearing or bush seizure Stop the compressor and contact a specialised technician E 11 ENGLISH 8 WIRING DIAGRAMS Med 102 24F 0 75M Med 150 24F 1 5M Med 300 50F 2 5M
8. ventilation grill at least at 20 cm from any obstacles which may prevent air from flowing out correctly and so as to facilitate maintenance and cleaning operations When choosing the room of installation of your compressor make sure that the installation place meets all the safety standards in force in the country in which the compressor is used and that the following conditions are respected low room dust percentage the working room should be large enough to allow the room temperature to be kept within 40 when the machine is running If the above requirement cannot be met fit one or more exhausters for the hot air Fit the highest number possible for the working room E 5 ENGLISH 3 INSTALLATION 3 2 Electric connection All compressors are delivered only after a successful A testing period at the factory and are ready to use i Before performing the electric connection you must check that the mains power corresponds to the power data written on the EC label and that the main SWITCH is turned to 0 fig 3 5 SINGLE PHASE COMPRESSORS the compressor is equipped with a Schuko plug If necessary contact specialized personnel for plug replacement THREE PHASE COMPRESSORS it is necessary to provide the supply line with a magneto thermal switch of suitable capacity respect to the installed power fig 4 To such purpose follow the indications written in the table Compressor power 25 5 2x2 5 Absorbed
9. which do not need any lubricants to run Such peculiarity ensures a very easy use and reduced ordinary service Moreover such feature allows working even on inclined plane without jeopardizing the proper operation of the machine The range of the models includes versions with drier and soundproof cabin The main components of your compressor are shown in the information table enclosed to this instruction manual Such table includes the max overall dimensions of the compressor and the main spare and wear parts Among the most important features the following should be noted inner tank walls coated with rustproof paint inner rings made of special friction free material aluminium piston coated with special friction free material absorption drier with cleaning automatic cycle ergonomic guards with anti shock handle pressure switch remote pressure switch with integrated starter stop switch non return and safety valves overload cutout and cooling fan cock for condensate drainage single and three phase motors 230 and 400 V 1 2 Expected use Your compressor was thought manufactured and arranged for being used as a compressed air source solely according to the safety instructions described hereunder Several pneumatic accessories can be connected to your compressor For a proper use refer to their single user s manual 1 3 Standard Accessories Supplied Fig 1 Manual for Use and Maintenance Vibration
10. F7 F8 Inner fan cut out B ST1 ST2 Inner room thermostats 10 Mv1 Mv2 Inner fan motors 9 mines S M1 M2 Compressor motors L4 di K1 Compressor motor 1 contactor P Comp 1 inner fan Sal th K2 Compressor motor 2 contactor ma F1 S1 Thermal relay compressor motor 1 reset gal F2 S2 Thermal relay compressor motor 2 reset esl FUSE 2A F6 S Service pressure switch oa oy D Electronic control board FUSE 4A F3 H Green lum signal for power ON Yt1 Yt2 Compressor head drain sol valves Y1A Y2A Drier 1 column solenoid valves Y1B Y2B Drier 2 column solenoid valves Control Board Med 600 ES V400 50 60Hz MV3 MV4 Drier cooler fan motors Power earth PE Serv pres switch earth S M2 motor earth M1 motor earth Ref Description Comp 2 drier Door lock main switch F3 F4 Ceramic fuse 5x20 4A F5 F6 Ceramic fuse 5x20 2A 14 I M1 M2 Compressor motors H2 EEEE Comp 1 drier K1 Compressor motor 1 contactor io K2 Compressor motor 2 contactor HH Service pressure switch S F1 S1 Thermal relay compressor motor 1 reset ER F2 S2 Thermal relay compressor motor 2 reset 3 S Service pressure switch NI D Electronic control board le H Green lum signal mm for power ON M FUSE 2A F6 Yt1 Yt2 Compressor he
11. FOREWORD p Page How to use this instructions manuel E 2 Symbols used in this manual E 2 Service and spare parts E 2 Product identification ss E 2 1 MAIN INFORMATION vs Ree EE E 3 1 2 Expected ET E 3 1 3 Standard accessories supplied E 3 1 4 Safety general Warnings seeeseeeeeeeieeieeeeeeeeeneen eeren E 4 2 TRANSPORT AND HANDLING 21 UnpackiNg WEE E 5 2 2 PACKING dISB6Sal a uu uu u unas N E 5 3 INSTALLATION 3 1 Positioning iei ete exer i s edens E 5 3 2 Electrical connection u uu uu eene tene E 6 4 ADJUSTMENT 4 1 Timing and operation modes E 6 4 2 Press re adj sthWlenti u u uu uuu u uu aaar E 7 4 3 Controls and check devices ssssssssesss E 7 4 4 Operation set up Tandem models only E 7 5 OPERATION AND USE 5 1 Mode of Operation Tandem models E 8 5 2 Operation cycle E 8 5 3 IFitSt Start up ie eere rentes node cun cR eu eux E 9 5A Overload Cutout eric cene E 9 6 MAINTENANCE 6 1 Condensate drainage weekly E 10 6 2 Cleaning the suction filter monthly E 10 6 3 Further servicing asioinnin annen E 10 6 4 Compressor disposal eeeeeeseeieeeeee eere eeeneneeeeene E
12. ad drain sol valves FUSE 2A F5 Y1A Y2A Drier 1 column solenoid valves FUSE 4A F4 Y1B Y2B Drier 2 column solenoid valves e FUSE AR F3 MV3 MV4 Drier cooler fan motors E 16
13. ated operation of the two pumping units SW2 function is active only when this mode is selected so depending on your air consumption adjust the switch in position ON low consumption or OFF high consumption When the line pressure value is reached both the pumping units stop then they start again when the pressure value decreases Cycle M1 operation of the sole pumping unit M1 Cycle M2 operation of the sole pumping unit M2 E3 NOTE If just one unit is used as usually happens do not use always the same unit but let the work be shared fairly by both of them Cycle M1 M2 simultaneous operation of the two pumping units The first unit M1 starts and after about 10 seconds starts the unit M2 they both work together and stop when the line pressure value is reached then they start again when the pressure value decreases lt gt NOTE Please remember to start both units together only if a big amount of compressed air is needed because under these conditions and especially at the start up high electrical input peaks may occur For the most appropriate operation cycle contact your usual installer taking into account your compressed air consumption and the data written on the EC label of the compressor 5 2 Operation cycle The compressor runs completely automatically by the pressure switch which stops the compressor when the max pressure value is reached and restarts the compressor only when this value has decreased to t
14. atic re start of the compressor in case of power failure OFF position the compressor re starts only by pressing the START key Sw2 ON position the compressor re starts after 3 minutes of low pressure OFF position the compressor re starts after 1 minute of low pressure SW3 ON position delayed stop Press the STOP key the compressor stops when the line pressure value is reached The stop cycle is signalled by the flashing red led OFF This function is useful to avoid the risk of the compressor re start with the head under pressure In such case when reaching the line pressure value is achieved the exceeding air is blown off OFF position Immediate stop after pressing the STOP key Recommended only when the compressor head is equipped with blowing off valve Sw4 SW4 switch is in position OFF at the delivery of the compressor DO NOT CHANGE THIS SETTING IN ANY CASE but if necessary contact an Authorized Service Centre E 7 ENGLISH 5 OPERATION AND USE 5 1 Mode of Operation Tandem models Fig 7 In order to select the operation cycle press the STOP button for at least 4 seconds to activate the different programmes the corresponding green Twin Start led will light up at an interval of 72 second After selecting the desired programme release the STOP button The selected programme will be kept START fon m stored in the memory even in case of power failure KARREN b BEEN Cycle M1 M2 altern
15. damaged When delivered the machine is on a wooden pallet and protected by a top cardboard packing Wear safety gloves and cut the outer straps and withdraw the cardboard from the top then unscrew the nuts which lock the compressor Warning compressors equipped with drier tend to bend A because of the weight on the rear side Balance the unit before lifting it Compressor with 24 litre tank size the compressor by the handles with the help of another person then lift it Compressor with tank over 24 litres Lift the compressor with a fork truck of suitable capacity see the information table by fitting the forks through the tank supporting feet and fitting a wooden bar perpendicular so as to prevent the compressor from shifting during lifting Fit anti vibrating elements 2 2 Packing disposal Save the packing material in case you ever need to transport the compressor in the future We recommend that you store the packing in a safe location at least within the period of the guarantee In case of need it will be easier to send the compressor to the service centre Afterwards put it into the care of the company or board in charge of elimination 3 INSTALLATION 3 1 Positioning As previously said all compressors can work properly even on an plane with a transversal or longitudinal inclination over 15 In order to ensure proper air flow position and fit the compressor so as to leave the
16. damping Pad Technical Data Sheet size and weight E 3 ENGLISH 1 MAIN INFORMATION 1 4 Safety general warnings A Before operating your compressor read this Manual very carefully Your compressor was thought manufactured and arranged for the operations depicted below Any other use is not allowed The MANUFACTURER assumes no responsibility for any damages resulting from improper use o for not compliance with the instructions described in this manual WHAT YOU MUST DO Learn how to use all controls and how to stop the compressor suddenly Before carrying out any service or routine operation to your compressor ensure the power has been cut off and all pressure has been released from the tank so as to prevent any sudden unexpected re start After any maintenance operation make sure all components have been fitted correctly Before switching on the compressor in order to ensure working safety always follow the recommended procedures described in the Installation Keep out children or animals from the operating area so as to prevent damages or injuries caused by any accessory connected to your compressor Read carefully the instructions regarding the accessory fitted moreover if you mount the spray gun ensure that the area is provided with proper air change system An operator working close to the compressor should wear ear protection devices Provide for protection against accidental c
17. he minimum value accepted TANDEM compressors operate in automatic mode however the operation depends on the setting selected according to your requirements The air circuit follows the diagrams compressor heat exchanger with condensate separator and automatic drain absorption drier tank and filter The two drier chambers work one at a time Fig 8 compressed air from the tank comes to chamber 1 and it is forced through several alumina layers which absorb the humidity in the air Therefore when coming out the air is dry A small amount of air is not used by sent to chamber 2 where it absorbs humidity thus regenerating the alumina layers The small amount of air used comes off from the solenoid valve at the base ofthe drier An air blow of some minutes means that the compressor is working properly E 8 5 OPERATION AND USE 5 3 First start up fig 9 Make sure the switch is in position O A Plug in the compressor single phase model or power the unit by the wall mounted main switch three phase model Single models Start up the compressor by turning the pressure switch remote pressure switch to position 1 Tandem models Turn the switch to position 1 Press the START button to start the compressor the led ON will light up steady light the selected operation cycle is activated flashing light system under pressure The pressure switch activates the AIR signal which shows the status of the sys
18. ntenance operations or to clarify special operations SPECIALIZED PERSONNEL Symbols indicating operations to be carried out by specialized personnel only Service and Spare Parts Product identification In case of replacement of any part of your compressor use only ORIGINAL SPARE PARTS Contact any Authorized Service Centre which having its own stock will supply you at its best Imitation spare parts hide potential risks including the risk of injuries to people In order to grant you efficient service or to remove any doubt when asking for information always quote model type and serial number of your compressor which are printed on the cover of this manual and on the compressor s nameplate The compressor Your have purchased has its own CE plate showing the following data 1 Manufacturer s data 2 CE mark year of manufacture 3 TYPE name of the compressor CODE compressor code SERIAL NO serial number of the compressor You have purchased to be always mentioned when calling for technical assistance 4 air delivered by the compressor expressed in l min and cfm 5 max operating pressure bar and PSI compressor noise level in dB A 6 electric data voltage V ph frequency Hz absorption A power HP and kW rotations per minute Rpm 7 other approvals E 2 1 MAIN INFORMATION 1 1 Description Our OILLESS series includes the compressors mod MEDICAIR that is compressors
19. ontacts by automatic power cut off taking into consideration that the compressor is of class and is equipped with connection to the earth WHAT YOU MUST NOT DO Do not spray in closed areas or near naked flames Do not touch the cylinder heads the cooling fins and the feed pipe During operation because of the high temperature achieved those parts keep hot for a certain time even after switching off the compressor Do not leave inflammable nylon objects or cloths near the compressor Do not move the compressor with the tank under pressure Do not use the compressor with the supply cord damaged or with precarious electric connection Do not direct the air jet towards people or animals Do not allow anyone to operate the compressor unless he she has received correct instructions Do not hit the flywheel and the fans with metallic or sharp objects as they could break during operation Do not operate the compressor without air filter Do not carry out any repair or adjustment operations on safety valve and tank Do not use the compressor in a potential explosive environment Do not connect a hose which has a flow rate lower than that of the compressor to the air outlet cock Do not use the compressor at temperatures lower than O C temp range 5 C 45 C E 4 2 TRANSPORT AND HANDLING 2 1 Compressor unpacking and handling Fig 2 Make sure both the machine and all supplied accessories are perfectly safe and un
20. power 12 24 Direct start relay adjustment 15 15415 Power cable min cross section mm 2 5 4 Wall switch capacity A 16 32 4 ADJUSTMENTS 4 1 Timing and operation modes All compressors apart from TANDEM models can work in just one mode i e the classic automatic mode controlled by the pressure switch remote pressure switch which stops the compressor when the max pressure is reached and starts the compressor again when pressure decreases by 1 5 bar For TANDEM models the operation mode must be set according to the quantity of compressed air needed We recommend that you contact your usual installer bearing in mind the compressed air output necessary for your Twin Start work and the air output value written in the EC plate These models can work either with both the units or with re only one unit and the operation mode is controlled by an AT electronic board Fig 5 LKA DEER You can select among the following operation modes Cycle M1 M2 alternated operation of the two pumping units Cycle M1 operation of the sole pumping unit M1 Cycle M2 operation of the sole pumping unit M2 e Cycle M1 M2 simultaneous operation of the two pumping units 4 ADJUSTMENTS 4 2 Pressure adjustment Have a pressure reducer installed on the delivery line of compressed air by a specialised technician For correct use check pressure correct value Refer to the
21. seid age OL Ienn u eod Jamod uej ojoeje 1eug y yms eunssaeJd aas OL eseud jewog yyea Jojo sossasdwog PEILI LIN NIL ALANA yes Jamod E 12 8 WIRING DIAGRAMS o ede gt H E o I E o ul F I i a s 8 I 3 ole iT gt iL I I 2 i lt g z g g5 ole N 2 SislS g s 5 gt gt 1 x E E EIZS9Z5E s LL d SS S 3 E 9 e S ms gt EEBSZESRS F d 898 55 99 9 o Pz BsESSTER S e slelolele S alo e 5 OQ O Q W o r O A o N O gt mes x BS E Esiste et ER erro ecl ee E Z Z ju ju x jw gt O gt o DI v Li LL q o m Je ug ueeH U9 IMS eJnsseJd eoi es ujieeH VE 9 ID S l l Ec P S J0jouJ JossaJduioo y o lt OMS eJnssaJd eoiAJes WOI i my uo Z un a 0 oa Za LL Je up 1SAOd Jojoui 1oss iduio2 ay OL yoyms oinsseid 3IAJ9S uio gt DC Je up 1 MOd 1 O Uoy s ainssaid aouies of Je1neu seMod m a N S je up 1 MOd Ean E 5 L y yms eJnsseJd ales OL seyd JamModg HI a Quee Jojow Jossasdwog B yea Jamod Dr Sonic 102 24F 0 75M Dr Sonic 150 24F 1 5M Dr Sonic 300 50F 2 5M C F1 X ST
22. tem When the ESS led lights up the drier starts operating When starting your compressor for the first time make the compressor run for about ten minutes with the air cocks open Then close the cocks and make sure that the compressor is running until the max pressure allowed and shown on the EC plate appears on the pressure gauge In order to stop the compressor turn the switch fitted on the machine 5 4 Overload cutout Compressors with single phase electric motor are A equipped with overload cutout fig 10 which operates as a safety device in case of motor overload When the motor overheats because of any fault arisen the overload cutout automatically releases and cuts off power thus preventing the motor from being damaged Wait a few minutes about 5 before resetting the device then restart the motor If you restart the compressor and the overload cutout f releases again turn the main switch to position 0 unplug the equipment and contact any Authorized Service Centre Compressors with three phase electric motor are equipped with remote pressure switch i e the overload cutout into the remote pressure switch operates to protect the motor and stops the compressor in case of motor overload by turning automatically the starter switch to position 0 In that case cut off power and manually reset the thermal relay inside the electric box Fig 11 i If you restart the compressor and the device releases again turn
23. the compressor without the suction filter A fitted as foreign bodies or dust could seriously damage the inside components 6 3 Further servicing Every 6 months or 500 working hours It recommended to clean carefully all finned parts of the compressor In this way the cooling system is kept efficient and ensures a better performance of the compressor Every year or 1000 working hours Change the filtering component follow the instructions written in section 6 2 Every 2 years or 2000 working hours 1 Check and clean the suction and delivery valves 2 Check the non return valve and replace the seal D if necessary Fig 14 When you perform the above operations we recommend to replace the relevant seals 6 MAINTENANCE IS At least every 3 years replace the alumina contained in the drier Such time span has been determined by supposing an average use of the compressor i e 2 hours a day in case of a more intense activity have the air humidity rate checked by a specialised technician and if necessary replace alumina in advance USE ONLY FINI ORIGINAL SPARE PARTS AVAILABLE AT ALL FINI AUTHORIZED SERVICE CENTRES IMITATION SPARE PARTS MAY DAMAGE YOUR COMPRESSOR IRREPARABLY 6 4 Compressor disposal In case you need to get rid of your compressor it is compulsory to get rid of all the parts and components according to the laws in force In any case contact the company or board in charge of elimination 7
24. the main switch to position 0 OFF and contact any Authorized Service Centre for correct relay setting and if necessary for any adjustments E 9 ENGLISH 6 MAINTENANCE In order to keep your compressor in good working conditions we recommend you to A perform periodical servicing operations Before performing any maintenance operation switch off the compressor and make all air in the tank release For the soundproof models it is necessary to remove the upper case to access the compressor unit Use a 6 mm Allen spanner to unscrew the four screws which fasten the case When removing compressor case make sure do not tear the supply cable of the cooling fan After the first 50 working hours check all screw tightening and especially head and base screws 6 1 Condensate drainage weekly Fig 12 For models without drier and automatic condensate drain Place a container under the drain valve and open the cock by turning it anti clockwise As our Oilless series compressors do not require lubricant the condensate flowing out the tank is not polluted and can be eliminated through the sewer system 6 2 Cleaning the suction filter monthly Fig 13 These models have one or two suction filters next to the compressor head To open unscrew the middle screw Take out the filtering component and rinse with water and soap Dry completely and refit Close the filter Do not operate
25. user s manual of the tool concerned for the working pressure setting By the pressure reducer adjust output air pressure to the desired value After having used your compressor set pressure to zero so as to avoid damaging the pressure reducer 4 3 Controls and check devices 4 4 Operation set up Tandem models only A In order to identify the parts listed hereunder see the product sheet enclosed to the instruction manual Pressure switch remote pressure switch checks compressor start and stop Tank pressure gauge shows the pressure inside the air tank Line cock detecting and connecting device to detect and connect the line and or the pneumatic tools Electronic controller Tandem versions checks start and stop of the compressor and allows selecting the operation mode fig 7 START Main switch M1 M1 unit activated STOP turn off switch M2 M2 unit activated ON green led running machine ESS drier outlet activated OFF red led 7 stopped machine M1 N2 alternated operation ofthe two pumping units M1 and M2 AIR system mode M1 operation of the sole pumping unit M1 led OFF correct pressure M2 operation of the sole pumping unit M2 led ON low pressure M1 M2 simultaneous operation ofthe two pumping units Before starting the compressor it is necessary to set some parameters 4 switches are located on the rear side of the control board and have the following functions SW1 ON position it enables the autom
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