Friulair AMD Full Service Manual
Contents
1. AA T C O amp 4 WoW ouo SPCC eee AAA Serer eee eee rasa TEE AAA EA ERE eee eee ree eee nro OPTIONAL A ss Ss ee ee ee 045 Pos OPTIONAL di i AE IRA E A lat 4 V J A Sha 2 7 1 3 168 168 STANDARD 210459 m lt m 7 3 1 3 32 ug DMC15 Ee l EIE ES 5 Na 6 9 E 1 E e lt2. 4 4 4 6200145 7 3 2 AMD 43 61 LO aE elg a Air Dryer Cont 9900135 CE ENESEL 4 LE 1 ES m 2 i pu i g ug LETS L i Q 5 ES 0 2 1 9 W i W ap AIS T 5 lt 8 5 B lt o X 1 98 Pp Ba J E 8 i OF 1 68 S e 9900136 7 3 4 AMD 75 75 75 e 4 I 2 1 LET E NE EOS Y LS gt amp 1 1 gt ug __ gt m O 5 2 i 53 al 6 9 5 4 1 x CYr 7 7 rmF CE e LL 01 4 or n 4900145 69 2 MEE Fn 5 FE RA i lt 4 pec d
3. LE E j 111250979 YOUMs e f e f gg E f 0102750979 de YMS 1610 71009990122 610 e e or o r r 70000205 2 79010 10 100 TF ens urep 5 0 05 d aer I00NNZzNY9 101 169 e o ___ _______ __________ ema prouejos Siesuspuoo aresuapuos 08043502299 aresuspuoo OLG LA LU TU SIESUSpUO IU 20996 1 1 eje ler ler or or r er STONG 990 9 uo mad OL A AL CL 006 9 0 4 1 LE LA pepe LU BL LL LL 091450999 31811 20445550599 jeu eia
4. 460000888 eS E t 00008888 eS 66 1 y 290000918 26 Eo o E o 99000099 24000098 26 14141 6000098 RIS o t 010000988 RI UR 26 111 0029 Lo D E p E b p o 22111 121111111 08080808 4 dqopoutud ro t 8008609 owej re 090979 ESTOS 8 LE E HF t 9915509 _ 8 8 o oo 0915509199 _ ssed Ag SPO 10H 8 9098059 20330009 9009610509 20330909 1086106 2080 Psi 2111 1008818808 2033059 21 11 _________ e 1411 2080 e sesos 2038005 LE E EF ON LE rr rH t j SOON 9S 51 uowws ouueupAereg 4 di9 aes der dez asi d de 3009 2809 3 168 6 4 MAINTENANCE OPERATION THE REFRIGERATING CIRCUIT Maintenance and service on refrigerating systems must be carried out only by certified refrigerating engineers only according to local rules All the refrigerant of the system must be recovered for its recycling reclamation or destruction DO NOT DISPOSE THE R
5. OPTIONAL 9710453 9 2 AN PS lt lt 2 0 1111 3 N 7 AN 7 1 3 AMD 61 Pos OPTIONAL co m lt 1410453 5 Q 8 2 2 5 OOO E 8 8 2 Y m Pos STANDARD NA N 7 1 3 61E 61 eee A 2 FS eae we 222244 7 MN 4 Tr Pos OPTIONAL 8 5 Y 8 Y O C9 2 5 2 5 4410453 n Pos STANDARD TITS y LL M uj M S M Q 9 N Pos A OPTIONAL cLLOdS4 m lt m M W LO e N Q LO e q Q lt N Pos A STANDARD 7 AAA As sa ss ss a EEES mn BeBe ee eee A eee
6. Compressed air inlet connection point Compressed air outlet connection point Condensate drain connection point Operations which can be worked out by the operator of the machine if qualified m Text to be taken into account but not involving safety precautions In designing this unit a lot of care has been devoted to environmental protection e free refrigerants e free insulation parts e Energy saving design e Limited acoustic emission e Dryer and relevant packaging composed of recyclable materials This symbol requests that the user heed environmental considerations and abide with suggestions annotated with this symbol 1 Experienced and trained personnel acquainted with the relevant rules and laws capable to perform the needed activities and to identify and avoid possible dangerous situations while handling installing using and servicing the machine 3 168 1 2 WARNINGS Compressed air is a highly hazardous energy source Never work on the dryer with pressure in the system Never point the compressed air or the condensate drain outlet hoses towards anybogy The user is responsible for the proper installation of the dryer Failure to follow instructions given in the Installation chapter will void the warranty Improper installation can create dangerous situations for personnel and or damages to the machine could occur AN Only qualified personnel are authorized to
7. XEN 2 91186944 44 Get xew 62 jueiquue TECHNICAL SPECIFICATIONS AMD 32E 168E 2307 60 HZ OSH 48 0 01 enba G einsseig v6S 697 LZE 912 781 419 8001 082 059 OST 996 015 84d y u 0089 000 00401 004 0019 0064 0067 0025 uiw 009 4 4 3 m lt ejejd uo eui Oo 65 pue 19 2 62 Jo ue m 18 esiou 09 6 8 v 099 097 065 08c Orc Occ M uondaosqe 91119919 LS 0 9c v 06v 061 081 M uondiosqe N 09 G L L L zH A ud 5 006 002 529 wo 2 1ueJeBujey 489 G L 4 dSal J9 INC 1914 5 IS 260 600 80 do
8. REFRIGERATING AIR DRYER USER S MAINTENANCE AND SPARE PARTS MANUAL 7425 0 073 EN 2008 05 3 168 Dear Customer thank you for choosing our product In order to get the best performances out of this product please read this manual carefully To avoid incorrect operation of the equipment and possible physical risk to the operator please read and strictly follow the instructions contained in this manual Note these instructions are in addition to the safety rules that apply in the country where the dryer is installed Before packing for shipment each AMD series refrigerated air dryer undergoes a rigorous test to ensure the absence of any manufacturing faults and to demonstrate that the device can perform all the functions for which it has been designed Once the dryer has been properly installed according to the instructions in this manual it will be ready for use without any further adjustment The operation is fully automatic and the maintenance is limited to few controls and some cleaning operations as detailed in the following chapters This manual must be maintained available in any moment for future references and it has to be intended as inherent part of the relevant dryer Due to the continuous technical evolution we reserve the right to introduce any necessary change without giving previous notice Should you experience any trouble or for further information please do not hesitate to contact us
9. 15 electronic controller is faulty replace it simultaneously DMC15 The OY yellow 7 AMD 3 32 Verify the electric wiring of T2 fan control probe LED of the electronic AMD 3 32 The T2 fan control probe is faulty replace it controller is flashing AMD 43 168 Verify the electric wiring of resistance on terminal 1 and 2 continuously The DMC15 electronic controller is faulty replace it DMC15 The first LED of DewPoint too low see specific point the display of electronic The T1 DewPoint probe is faulty replace it instrument is flashing DMC15 electronic controller is faulty replace it continuously DMC15 The last LED of gt DewPoint too high see specific point the display of electronic The T1 DewPoint probe is faulty replace it instrument is flashing gt The DMC15 electronic controller is faulty replace it continuously m lt SPARE PARTS The suggested spare parts list will enable you to promptly intervene in case of abnormal operation so avoiding to wait for the spares delivery 6 3 In case of failure of other parts for example inside the refrigerating circuit the replacement must be worked out by a refrigerating systems specialist or in our factory NOTE To order the suggested spare parts or any other part it s necessary to quote the data reported on the identification plate ued
10. 9 Ly 9v 08 060 1 ZH A Ud 5 ad 1ueJeBujey 3 dSg suoioeuuoo 19 4 oJnssoJd XEN 2 91186944 68 Get xew Lt e1njyeJeduuo 62 jueiquue euruoN TECHNICAL SPECIFICATIONS AMD 32 168 230V 50HZ OSH 6 8 0 01 enba G einsseig 769 697 9 912 81 8001 08 069 097 996 2445 892 y u 00891 00061 00401 004 0019 0064 0067 0026 9 or sh s zc _ 000 1 4 2 ejejd uo eui Oo 65 pue 9 2 62 Jo ue 819491 2 22 esiou 261 21 LS 979 29 6 96 LS Lv 9v gy vy se 09 060 1 ZH N Ud 5 0092 ENTM Ainuenb 4 dSql suoioeuuoo 19 4 oJnssoJd
11. 21 14 SLOING juro mag LL 94044 julogmaq 10 KR N 66 66 6 6 L6 L6 L6 L6 L m lt ued ejeds 41280898 YOUMS J P 010250976 _ 10 zz LE rr Pg J rr J P PF J to PF 1 5 12 __ 4 e v o roez 21 e 4 21127 VOM PUD 104 105 91 enga prouejos puo 104 100 91 __ 68903402679 aresuepuog Lo p a e e 4 1904402679 ejesuopuoo s 1 10848889 A vi Lo E EF J toto ot 1 209969 aresuepuoo _ e e 9 9 i 9 LL SLOG 9900 zi Lo e e e e SLOW eqoid quroqmag 2 y 09 NSS0999 _ Lo E E j 1 09550999 _ jew or loo FE P 005550599
12. 740 o DMS0013 AAAA 776 885 DMS0060 800 7 1 4 105 130 625 100 9 5 865 DMS0005 1105 DMS0006 m Pos STANDARD 7 1 3 AMD 3 3E 3P TY Pos OPTIONAL lt 9004453 m lt 7 1 3 AMD 6 18 6E 18E 6P 18P Pos A OPTIONAL STANDARD 00454 m 7 1 3 25 32 25 32 25 32 Pos STANDARD Pos OPTIONAL 2100454 Pos STANDARD 7 1 3 AMD 43 Pos OPTIONAL C 5 8 9 68 69104859 3 168 3 168 T C at EX EN DL lt e m 2 X N MN d NS EA ON 5 PN ml Bom 7 1 3 4 43 qa 5 OPTIONAL 92109859 STANDARD 7 1 3 AMD 52 Pos OPTIONAL AMD 3 168 C 6 8 6 2 G CO 9 0410454 8 2 5 5 8 2 5 gt 8 8 2 5 3 168 d s at lt lt lt L OR 23202022 2 A A lt 5 i LIT H a 0 22 EU LA 0 OW 7 1 3 AMD 52 52P UN 3
13. 95 Inlet air temperature 40 C Factor F3 0 84 Pressure DewPoint 3 C Factor F4 0 91 Each item of data has a corresponding numerical factor which multiplied by the design air flow is as follows 1307 l min This is the maximum flow rate that the dryer can accept under these operating conditions How to select a suitable dryer for a given duty Design flow Minimum std air flow Factor F1 x Factor F2 x Factor F3 x Factor F4 Example With the following operating parameters Design air flow 1100 l min Inlet air pressure 7 barg Ambient temperature 3590 Inlet air temperature 40 Pressure DewPoint 39 Factor Factor Factor Factor In order to select the correct dryer model the required flow rate is to be divided by the correction factors relating to above mentioned parameters 1100 Mini air fl 1515 inimum std air flow rate 1 00x 095 x 0 84 x 091 min Therefore the model suitable for the conditions above is AMD 18 1800 l min nominal duty 3 168 2 6 CONNECTION TO THE COMPRESSED AIR SYSTEM Operations to be performed by qualified personnel Never operate with plants under pressure NM The user is responsible to ensure that the dryer will never be operated with pressure exceeding the nominal values Eventual over pressure could be dangerous both the operator and the machine The temperature and the amou
14. Dimensions AMD 6 18 AC Dryers Dimensions AMD 25 AC Dryers Dimensions AMD 32 52 AC Dryers Dimensions AMD 61 75 AC Dryers Dimensions AMD 105 130 AC Dryers Dimensions AMD 168 AC Dryers Dimensions 7 2 EXPLODED VIEW 7 2 1 Exploded view of Dryers AMD 7 2 2 Exploded view of Dryers AMD 6 18 7 2 3 Exploded view of Dryers AMD 25 32 7 2 4 Exploded view of Dryers AMD 43 7 2 Exploded view of Dryers AMD 52 7 2 6 Exploded view of Dryers AMD 61 7 2 7 Exploded view of Dryers AMD 75 7 2 8 Exploded view of Dryers AMD 105 130 7 2 9 Exploded view of Dryers AMD 168 7 2 10 Exploded view of Dryers AMD 43P 7 2 11 Exploded view of Dryers AMD 52P 7 2 12 Exploded view of Dryers AMD 61P Exploded view table of components Dryers AMD 3 168 5 2 Dehydration filter Capillary tube T1 Temperature probe DewPoint Condensate drain service valve Y shaped condensate drain strainer Condensate drain solenoid valve Support beam Support bracket Control panel Electric connector CD Alu Dry Module Coil for cond drain solenoid valve 1 1 Insulation Material 17 Electronic control instrument 2 Refrigerant pressure switch Pg p 3 Ts safety thermo switch 2 Electronic level drain 4 Refrigerant pressure switch 22 Main switch 5 Refrigerant pressure switch fan 6 Refrigerating compressor 5 Front panel 7 Hot gas by pass valve 62 Back panel Condenser 63 Right lateral panel 9 Condenser fan Left lat
15. operation instructions in this manual Before attempting any maintenance operation on the dryer shut it down and wait at least 30 minutes Some components can reach high temperature during operation Avoid contact until system or component has dissipated heat SYMPTOM POSSIBLE CAUSE SUGGESTED ACTION The dryer doesn t start Verify that the system is powered Verify the electric wiring The compressor doesnt Activation of the compressor internal thermal protection wait for 30 minutes then work retry c Verify the electric wiring Where installed Replace the internal thermal protection and or the start up relay and or the start up capacitor and or the working capacitor gt Where installed The pressure switch PA has been activated see specific point Where installed The pressure switch PB has been activated see specific point gt Where installed The safety thermo switch TS has been activated see specific point gt f the compressor still doesn t work replace it The fan of the condenser Verify the electric wiring doesn t work AMD 3 32 The DMC15 electronic controller is faulty replace it AMD 43 168 PV pressure switch is faulty replace it the fan still doesn t work replace it DewPoint too low gt AMD 3 32 The fan is always ON the Y yellow LED of DMC15 controller is glowing continuously see specific point AMD 43 168
16. 1 M 209 ZHOS uondaosqe 072 611 GL SL 1 2 1 11 1 EL y 099 06 022 062 082 012 012 061 061 091 081 061 M 209 ZHOS uondiosqe 09 0S 0 C L ZH A Ud Alddns 5 B E 4 dSg suonoeuuoo 19 u oJnssoJd XEN 2 SINSSOI 84 95 e1njeJeduue ejui 1 g3 91 TECHNICAL SPECIFICATIONS AMD 3 25 2307 50 60 HZ OSH 48 0 01 enbe G einsseig 88 v9 ve 419 091 801 cL LS 96 y u 0092 0081 0021 096 009 046 uiw Byes og e 9 4 1 000 1 4 TECHNICAL SPECIFICATIONS m lt ejejd uo eui Oo 65 pue 2 62 Jo ue 5199 ee 2 22 m esiou 86 8 89 979 2 9 oy v
17. 15 Electronic instrument Air Dryer Controller 5 13 Electronic level drain 6 MAINTENANCE TROUBLESHOOTING SPARES AND DISMANTLING 6 1 Controls and maintenance 6 2 Troubleshooting 6 3 Spare parts 6 4 Maintenance operation on the refrigerating circuit 6 5 Dismantling of the dryer 7 LIST OF ATTACHMENTS 7 1 Dryers dimensions 7 2 Exploded view 7 3 Electic diagrams 3 168 1 SAFETY RULES 1 1 DEFINITION OF THE CONVENTIONAL SIGNS USED IN THIS MANUAL Carefully read instruction manual before attempting any service or maintenance procedures on the dryer Caution warning sign Risk of danger or possibility of damage to equipment if related text is not followed properly Electrical hazard Warning message indicates practices or procedures that could result in personal injury or fatality if not followed correctly Danger hazard Part or system under pressure Danger hazard High temperature conditions exist during operation of system Avoid contact until system or component has dissipated heat Danger hazard Treated air is not suitable for breathing purposes serious injury or fatality may result if precautions are not followed Danger hazard In case of fire use an approved fire extinguisher water is not an acceptable means in cases of fire Danger hazard Do not operate equipment with panels removed Maintenance or control operation to be performed by qualified personnel only 6000PP P O
18. 3 168 5 13 ELECTRONIC LEVEL DRAIN Instead of the usual drain system a solenoid valve controlled by means of electronic instrument an electronic level controlled drain can be installed as option This drain consists of a condensate accumulator where a capacitive sensor continuously checking liquid level is placed as soon as the accumulator is filled the sensor passes a signal to the electronic control and a diaphragm solenoid valve will open to discharge the condensate For a complete condensate discharge the valve opening time will be adjusted exactly for each single drain operation No condensate strainers are installed No adjusting is required A service valve is installed before the electronic drain in order to make check and maintenance easily AT DRYER START UP VERIFY THAT THIS VALVE IS OPEN CONTROL PANEL for Dryers AMD 3 105 The control panel here illustrated allows checking of drain working Power LED drain ready to work supplied Valve slow blinking led membrane solenoid valve open discharging Alarm fast blinking led drain alarm condition Test button discharge test keep pushed for 2 seconds CONTROL PANEL FOR DRYERS AMD 3 105 The control panel here illustrated allows checking of drain working Power LED drain ready to work supplied esr Valve led membrane solenoid valve open discharging Alarm blinking led drain in alarm condition Tes
19. 6 6 6 6 6 L6 L6 L6 L6 L6 ZHOS A0 c 2809 m Lob b p b b tooo o po 24609 10025095 20222 2 1 IE ECT 21 21 b LE j FL b 00 01 9 9 000299 _ e v v v 9 f eoon 22 2 1 t v o w 0804402699 ___ E rH j j 0109499699 ones _ Ooa a v v v j 9 el _ 80NNNSCOS VUE Prinses ESC SED is 8 55814 a ss uous cansseid usa LUE CU ST a La CE UE C soi 38 3 3905 2 09 5 YMS YMS GLOWG 1944 JO ureJp JO 05 ureJp piou9gJos ureJp A
20. 8 dryers are supplied with a junction box Be sure to provide the proper fuses or breakers based on the data tag information located on the back of the unit The main power receptacle must be protected with a thermal overload differential relay An 0 03A rated to the power consumption of the dryer refer to data nameplate for nominal values The power supply cord must meet or exceed ratings for the total amp draw of the unit Connect to a properly grounded outlet connection of the equipment grounding conductor can result in risk of electric shock Do not use adapters on the plug receptacle if it does not fit the outlet have a proper outlet installed by a qualified electrician 2 8 5 DHAIN The condensate is discharge at the system pressure Drain line should be secured Never point the condensate drain line towards The dryer comes with a flexible plastic drain tube The condensate drain occurs through a solenoid valve protected with a mechanical strainer The condensate coming from the separator is previously filtered then discharged The solenoid valve coil is operated by electronic instrument dryer controller If an electronic drainer is installed the intervention times are determined by the internal capacitive sensor see specific paragraph The drainers cannot be connected to pressurized systems Don t dispose the condensate in the environment The condensate collected
21. 992 912 78 291 3m 02 996 216 862 261 004 0019 0099 0067 0025 uru de w de dt maoo 000 1 4 5 m lt 3 168 5 DESCRIZIONE TECNICA 5 1 CONTROL PANEL The control panel illustrated below is the only dryer operator interface AMD 3 61 7 Oe PQS0008 AMD 75 168 oat TTL O ON sec min 2 50024 D Main switch 3 Air and refrigerating gas flow diagram 2 Air Dryer Controller DMC15 5 2 OPERATION Operating principal The dryer models described in this manual operate all on the same principal The hot moisture laden air enters an air to air heat exchanger The air then goes through the evaporator also known as the air to refrigerant heat exchanger The temperature of the air is reduced to approximately 2 C causing water vapor to condense to liquid The liquid is continuously coalesced and collected in the separator for removal by the condensate drain The cool moisture free air then passes back through the air to air heat exchanger to be reheated to within 8 degrees of the incoming air temperature as it exits the dryer Refrigerant circuit Refrigerant gas is cycled through the compressor and exits at high pressure to a condenser where heat is removed causing
22. DATA NAMEPLATE The data nameplate is located on the back of the dryer and shows all the primary data of the machine Upon installation fill in Model the table on the previous page Serial No SeialNo with all the data shown on the Code Code A gt gt gt data nameplate This data Nominal Flow Rate should always be referred to Air Pressure gt MM when calling the manufacturer Max Air Pressure Max Inlet Air Temp or distributor Ambient T Max Inlet Air Temp sd The removal or alteration of the Refrigerant and qty ia gt data will void the Edid 5 Design Pres uPAPL Electr aid M Electric Supply ph V Hz Electric Nominal Power W A RUSOS Fuse Max Manufactured Manufactured 1 WARRANTY CONDITIONS For 12 months from the installation date but no longer than 14 months from the delivery date the warranty covers eventual faulty parts which will be repaired or replaced free of charge except the travel hotel and restaurant expenses of our engineer The warranty doesn t cover any responsibility for direct or indirect damages to persons animals or equipment caused by improper usage or maintenance and it s limited to manufacturing faults only The right to warranty repairs is subordinated t
23. EFRIGERANT FLUID IN THE ENVIROMENT This dryer comes ready to operate and filled with R134a or 404 type refrigerant fluid In case of refrigerant leak contact a certified refrigerating engineers Room is to be aired before any intervention If is required to re fill the refrigerating circuit contact a certified refrigerating engineers Refer to the dryer nameplate for refrigerant type and quantity Characteristics of refrigerants used gt Refrigerant Chemical formula R134a HFC CH2FCF3 1000 ppm 1300 R404A HFC CH2FCF3 C2HF5 C2H3F3 6 5 DISMANTLING OF THE DRYER If the dryer is to be dismantled it has to be split into homogeneous groups of materials Refrigerant fluid R404A R134a Oil Canopy and Supports Carbon steel Epoxy paint 4 Refrigerating compressor Steel Copper Aluminium Oil Copper 4 2 Alu Dry Module Aluminium Condenser Unit Aluminium Copper Carbon steel We recommend to comply with the safety rules in force for the disposal of each type of material The chilling fluid contains droplets of lubrication oil released by the refrigerating compressor Do not dispose this fluid in the environment 15 has to be discharged from the dryer with a suitable device and then delivered to a collection centre where it will be processed to make it reusable 3 168 7 LIST OF ATTACHMENTS 7 1 1 7 1 2 7 1 3 7 1 4 7 1 5 7 1 6 7 1 7 7 1 DRYERS DIMENSIONS 3 AC Dryers
24. Ensure that all the steps of the Installation chapter have been observed e Ensure that the connection to the compressed air system is correct and that the piping is suitably fixed and supported e Ensure that the condensate drain pipe is properly fastened and connected to a collection system or container e Ensure that the by pass system if installed is open and the dryer is isolated e Ensure that the manual valve of the condensate drain circuit is open e Remove any packaging and other material which could obstruct the area around the dryer e Activate the mains switch e urn on the main switch pos 1 on the control panel e Ensure that the DMC15 electronic instrument is ON e Ensure the consumption matches with the values of the data plate e Ensure the fan work properly wait for its first interventions e Allow the dryer temperature to stabilise at the pre set value e Slowly open the air inlet valve e Slowly open the air outlet valve e Slowly close the central by pass valve of the system if installed e Check the piping for air leakage e Ensure the drain is regularly cycling wait for its first interventions 3 3 START UP AND SHUT DOWN 57 Start up refer to paragraph 5 1 Control Panel e Check the condenser for cleanliness e Verify that the system is powered e urn on the main switch pos 1 on the control panel e Ensure that DMC15 electronic instrument is ON e Wait a few minutes verify th
25. Failure to install dryer in the proper ambient conditions will affect the dryer s ability to condense AN refrigerant gas This can cause higher loads on the compressor loss of dryer efficiency and performance overheated condenser fan motors electrical component failure and dryer failure due to the following compressor loss fan motor failure and electrical component failure Failures of this type will affect warranty considerations Do not install dryer in an environment of corrosive chemicals explosive gasses poisonous gasses steam heat areas of high ambient conditions or extreme dust and dirt Don t use water to extinguish fire on the dryer UN on in the surrounding area Minimal installation requirements e Select a clean room dry free from dust and protected from atmospheric disturbances e he supporting area must be smooth horizontal and able to hold the weight of the dryer e Minimum ambient temperature 1 C e Maximum ambient temperature 45 e eave at least 1 meter of free space on every side of the drier for ventilation purposes and maintenance operations The dryer doesn t require to be fixed to the supporting surface The dryer needs to be fixed to the supporting surface only with particular installation procedures dryer on brakets hanging units etc LGTOO05 Dryer hanging AMD 3 32 only FFMO002 EN AMD 3 168 2 4 INSTALLATION LAYOUT Air compressor Final refriger
26. LU LU IU 177005550599 jeuq asia 720000529 ie 00000929 690000505 AAA see 8 61000094 8 0100008 28 9 0065 06 12000 5 VTA 4001015 srr a 0001016 sonore 000085 08 a VE CON 0 0065 8 LLL 091550199 SABA 5589 49 SED L3 L4 CL CL CL 2 2 T sso 5580 S85 10H 509110605 0109110605 00 oone 0385900 5019115205 9 T nonoa osc 2010015105 00 IES IS IS 5010019105 AAA 1010019105 toss LT L3 T3 T LLL USIMS einsseid IO LY einsseid LE LA TUI T 90 51 99046996 oer 50 SZ 19 zs 2 6 9 3000 siuvazuvas 30 6 6
27. The fan is always ON PV pressure switch is faulty replace it Ambient temperature is too low restore de nominal condition gt hot gas by pass valve is out of setting contact a refrigeration engineer to restore the nominal setting DewPoint too high The dryer doesn t start see specific point The T1 DewPoint probe doesnt correctly detect the temperature ensure the sensor is pushed into the bottom of copper tube immersion well gt The refrigerating compressor doesn t work see specific point gt The ambient temperature is too high or the room aeration is insufficient provide proper ventilation The inlet air is too hot restore the nominal conditions gt The inlet air pressure is too low restore the nominal conditions The inlet air flow rate is higher than the rate of the dryer reduce the flow rate restore the normal conditions The condenser is dirty clean it The condenser fan doesn t work see specific point gt The dryer doesn t drain the condensate see specific point hot gas by pass valve is out of setting contact a refrigeration engineer to restore the nominal setting There is a leak in the refrigerating fluid circuit contact a refrigeration engineer Excessive pressure drop The dryer doesn t drain the condensate see specific point within the dryer gt The DewPoint 15 too low the condensate is frost and blocks
28. With an air jet max 2 bar 30 psig blowing from inside towards outside clean the condenser repeat this operation blowing in the opposite way be careful not to damage the aluminium fins of the cooling package e Close the isolation valve for the condensate drain remove the mechanical filter and clean it with compressed air and a brush Reinstall the filter make sure it is secure and open the isolation valve e At the end check the operation of the machine EVERY 1000 HOURS OR YEARLY e Verify for tightness all the screws of the electric system and that all the Faston type connections are in their proper position inspect unit for broken cracked or bare wires e refrigerating circuit for signs of oil and refrigerant leakage e Measure and record amperage Verify that readings are within acceptable parameters as listed in specification table e condensate drain flexible hoses and replace if necessary e At the end check the operation of the machine 3 168 6 2 TROUBLESHOOTING Only qualified personnel should perform troubleshooting and or maintenance operations AN Prior to performing any maintenance or service be sure that part of the machine is powered and that it cannot be connected to the mains supply part of the machine is under pressure and that it cannot be connected to the compressed air system e Maintenance personnel have read and understand the safety and
29. ange the setting of the programmed parameters The parameters which can be set up are the following AMD 3 32 activation temperature of condenser fan It is adjustable inside the following range of values with step of 1 K whereas the Hys hysteresis is fixed and equal to 5 K oy activation time of the condensate drain solenoid valve Torr pause time between two consecutive activation of the condensate drain solenoid valve To access the set up keep the button set pressed for at least 2 seconds ON LED flashing confirms the command First appears the parameter to access the other parameters press sequentially the button To change the value of the selected parameter keep the button pressed and operate on button x the current value is shown on the LED display For the value range and the resolution of each single LED see the following table Parameter solo AMD 3 32 Synchronous flashin FANon Activation temperature A ON LED Oe 31 40 1 35 of condenser fan Activation time of the condensate Synchronous flashing drain solenoid valve LEDO ON LEDO Yr 1 10 sec 1 sec 2 Sec Pause time of the condensate Non Synchronous flashing drain solenoid valve LED QON LED Yr 1 10 min 1 min 1 min To exit the set up condition in any moment press the D button If no operations are performed for 2 minutes the system automatically exits the set up condition
30. at the DewPoint temperature displayed on DMC15 electronic instrument is correct and that the condensate is regularly drained e Switch on the air compressor Shut down refer to paragraph 5 1 Control Panel e Verify that the DewPoint temperature displayed on DMC15 electronic instrument is correct e Switch OFF the air compressor e After a few minutes switch off the main switch on the control panel of the dryer pos 1 NOTE A DewPoint included in the green operating area of the electronic controller is correct according to the possible working conditions flow rate temperature of the incoming air ambient temperature etc During the operation the refrigerating compressor will run continuously The dryer must remain on during the full usage period of the compressed air even if the air compressor works intermittently least 5 minutes before being started up again The user is responsible for compliance with these rules Frequent starts may cause irreparable damage The number of starts must more than 6 per hour dryer must stop running for at ejejd uo eui Oo 65 pue 19 2 62 Jo ue 2 22 ee GZ 888 21 9061 1 SL ZL v 029 019 099 06 Ove 092 062 0 2 062 002 022 0
31. ator Condensate separator Pre Filter min 5 micron By pass group Dryer Compressed air tank Final filter Condensate drain 2 2 CO NON pto 787 LL y o 9 In case of heavily polluted inlet air ISO 8573 1 class 3 3 worse quality we recommend the additional installation of a pre filter 5 micron minimum to prevent a clogging of the heat exchanger Type A installation is suggested when the compressor operates at reduced intermittence and the total consumption equals the compressor flow rate Type B installation is suggested when the air consumption can consistently change with peak values highly exceeding the flow rate of the compressors The capacity of the tank must be sized in order to compensate eventual instantaneous demanding conditions peak air consumption A 3 168 2 5 CORRECTION FACTORS Correction factor for operating pressure changes Inlet air oressure 0 77 1 14 Correction factor for ambient temperature changes Air Cooled Ambient temperature i Correction factor for inlet air temperature changes Example An AMD 18 has a nominal duty of 1800 l min What is the maximum allowable flow through the dryer under the following operating conditions Inlet air pressure 7 Factor F1 1 00 Ambient temperature 35 Factor F2 0
32. condenser fan doesn t work see specific point Air Cooled Reset the pressure switch pressing the button on the controller itself verify the dryer for correct operation The pressure switch is faulty contact a refrigeration engineer to replace it Where installed The PB gt There is a leak in the refrigerating fluid circuit contact a refrigeration engineer low pressure switch has The pressure switch restores automatically when normal conditions are restored been activated check the proper operation of the dryer Where installed The TS gt Check which of the following has caused the activation safety thermo switch has 1 Eccessive thermal load restore the standard operating conditions been activated 2 The inlet air is too hot restore the nominal conditions 3 he ambient temperature is too high or the room aeration is insufficient provide proper ventilation The condenser unit is dirty clean it The fan doesn t work see specific point There is a leak in the refrigerating fluid circuit contact a refrigeration engineer Reset the thermo switch by pressing the button on the thermo switch itself verify the correct operation of the dryer The TS thermo switch is faulty replace it DMC15 The first and the Verify the electric wiring of 1 DewPoint probe last LED of the display gt The T1 DewPoint probe is faulty replace it electronic instrument blink gt The
33. e um m 4 lt pr a 5 l 1 y EES mE 5 L pore 222 Ll gt B ug i n 5 19 2 LO C rz wey 4 BE lt EE ES i e M e e 4 x x E 1 gt gt gt gt of 8 Jj OE 8 Y Ol LE T H3MOd 4 4 8900145 6900145
34. ed a part of refrigerant is exhausted Without compressed air flow through the dryer rotate the adjusting screw position A on the drawing until the following value is reached Hot gas setting R134 a temperature 0 5 40 5 0 K pressure 2 0 barg 40 1 0 bar Hot gas setting R404A temperature 0 5 40 5 0 K pressure 5 2 barg 40 1 0 bar 5 10 REFRIGERANT PRESSURE SWITCHES Pv As operation safety and protection of the dryer a series of pressure switches are installed in the gas circuit Py PQS0005 Low pressure controller device on the suction side of the compressor is enabled only if the pressure drops below the pre set value The values are automatically reset when the nominal conditions are restored Calibrated pressure 404 Stop 1 0 barg Restart 5 0 barg This high pressure controller device is located at the pushing side of refrigeration compressor and it is activated when the pressure exceeds the pre set value It features a manual resetting button mounted on the controller itself Calibrated pressure 404 Stop 32 barg Manual reset Fan control pressure switch is located at the pushing side of refrigeration compressor It keeps the condensation temperature pressure constant within preset limits Air Cooled Calibrated pressure R 404 Start 20 45 C Stop 16 barg 36 Tolerance 1 bar 5 11 SAFETY THERMO SWITC Ts To protec
35. er fan Filter drier Capillary tube T1 Temperature probe DewPoint T2 Temperature probe fan control AMD 3 32 Condensate drain isolation valve Condensate drain strainer Condensate drain solenoid valve Coil for cond drain solenoid valve Air Dryer Controller Electronic level drain Refrigerating gas flow direction 3 168 5 4 REFRIGERATING COMPRESSOR The refrigerating compressor is the pump of the system where the gas coming from the evaporator low pressure side is compressed up to the condensation pressure high pressure side All the compressors used are manufactured by primary companies and are designed for applications where high compression ratios and wide temperature changes are present The fully sealed construction is perfectly gas tight so ensuring high energy efficiency and long useful life The pumping unit is supported by dumping springs in order to consistently reduce the acoustic emission and the vibration diffusion The electric motor is cooled down by the aspirated refrigerating gas which goes through the coils before reaching the compression cylinders The internal thermal protection protects the compressor from overheating and overcurrents The protection is automatically restored as soon as the nominal temperature conditions are reached 5 5 CONDENSER The condenser is the element in which the gas coming from the compressor is cooled down and condensed becoming a liquid Mechanically it i
36. eral panel 9 1 Motor 65 9 2 Blade Base plate 9 3 Grid 67 Upper plate Electric box Flow diagram sticker EN AMD 3 168 7 3 ELECTIC DIAGRAMS 7 31 Electrical Diagram of Dryers AMD 3 168 Electronic Instrument DMC15 Electrical Diagram table of components IG Main switch Refrigerating compressor KT Compressor thermal protection KR Compressor starting relay if installed CS Compressor starting capacitor if installed CR Compressor run capacitor if installed V Condenser fan CV Fan starting capacitor if installed DMC15 DMC15 Electronic Instrument Air Dryer Controller T1 T1 Temperature probe DewPoint T2 I2 Temperature probe Fan control PV Pressure switch Fan control PA Pressure switch Compressor discharge side high pressure PB Pressure switch Compressor suction side low pressure TS Ts safety thermo switch BOX Electric box EVD Condensate drain solenoid valve ELD Electronic level drain BN BROWN BLUE BLACK YELLOW GREEN m lt 7 1 1 AMD 3 14 5 8 372mm 13 9 16 345mm 6 15 16 176mm 1 9 16 3 3 4 j uuuoee 8 6 4 12 3 16 310mm 11 82105010 7 1 2 6 18 515mm 20 1 4 3 0mm 14 9 16 9L LOSNA 7 1 3 AMD 25 077 eLOOSIAQ 7 1 4 32 52 3 168 445
37. in the dryer contains oil particles released in the air by the compressor Dispose the condensate in compliance with the local rules We suggest to install a water oil separator where to convey all the condensate drain coming from compressors dryers tanks filters etc 3 START UP 3 1 PRELIMINARY OPERATION Verify that the operating parameters match with the nominal values reported on the data plate of the dryer voltage frequency air pressure air temperature ambient temperature etc Before delivery each dryer is submitted to accurate tests simulating real operating conditions Nevertheless the unit could be damaged during transportation We therefore suggest to check the integrity of the dryer upon arrival and to keep it under control during the first hours of operation The start up must be performed by qualified personnel Its mandatory that the engineer charge adopt safety operational conditions complying with the local safety and accident prevention requirements A The same engineer will be responsible for the proper and safe operation of the dryer Never operate the dryer if the panels in place 3 168 3 2 5 STAHT UP This procedure should be followed on first start up after periods of extended shutdown or De following maintenance procedures Qualified personnel must perform the start up Sequence of operations refer to paragraph 5 1 Control Panel e
38. ng DewPoint shown by means of a two colours green red bar over the display itself e Green section operating conditions ensuring an optimal DewPoint e Hed section DewPoint of the dryer too high the dryer is working with elevated thermal load high inlet air temperature high ambient temperature etc The treatment of the compressed air may be improper Too high DewPoint temperature value exceeding the upper limit of the instrument range is indicated by the intermittent flashing of the last LED whereas the intermittent flashing of the first LED shows too low DewPoint temperature A possible T1 probe failure is indicated by the intermittent flashing of the first and last LED of the display whereas the dryer keeps on working correctly Thermostat AMD 3 32 fan condenser is activated when the condensate temperature reaches or exceeds 35 C LED 8 on and it is deactivated when the temperature goes down to 30 C FANon Hys LED O off In case of T2 probe failure the fun will run continuously and the O LED intermittent flash Timer The condensate drain solenoid valve is activated for 2 seconds LED on each minute If standard setting To perform the manual test for the condensate drain press the button SET UP The DMC15 is adjusted during the final test of the dryer In case of particular requirements concerning the operation management the user can ch
39. nt of air entering the dryer must comply with the limits reported on the data plate In case of treatment of air at particularly high temperatures the installation of a final refrigerator could result necessary The cross section of the connecting piping which must be free from dust rust chips and other impurities must be consistent with the flow rate of the dryer In order to facilitate the maintenance operations a by pass group has been installed as shown in the following illustration Dye G BSP F A mm By Pass Code _ 1 In realising the dryer particular measures have been taken in order to limit the vibration which could occur during the operation Therefore we recommend to use connecting pipes able to insulate the dryer from possible vibrations originating from the line flexible hoses vibration damping fittings etc CAUTION PIPING THE DRYER INLET OUTLET CONNECTIONS MUST BE SUPPORTED AS SHOW IN THE DIAGRAM FAILING WILL RESULT IN DAMAGE 3 168 2 7 ELECTRICAL CONNECTIONS Qualified personnel should carry out connecting unit to the main power Be sure to check the local codes in your area Before connecting the unit to the electrical supply verify the data nameplate for the proper electrical information Voltage tolerance 15 5 AMD 3 75 dryers are supplied with a standard VDE 16A Shucko power cord and plug assembly two poles and a ground AMD 105 16
40. o the strict compliance with the installation use and maintenance instructions contained in this manual The warranty will be immediately voided in case of even small changes or alterations to the dryer To require repairs during the warranty period the data reported on the identification plate must be notified 3 168 EN 1 SAFETY RULES 1 1 Definition of the Conventional Signs Used in This Manual 1 2 Warnings 1 3 Proper use of the dryer 1 4 Instructions for the use of pressure equipment according to ped directive 97 23 ec 2 INSTALLATION 2 1 Transport 2 2 Storange 2 3 Installation site 2 4 Installation layout 2 5 Correction factors 2 6 Connection to the compressed air system 2 Electrical connections 2 8 Condensate drain 3 START UP 3 1 Preliminary operation 3 2 First start up 3 3 Start up and shut down 4 TECHNICAL SPECIFICATIONS 4 1 Technical specifications AMD 3 25 230V 50 60 Hz 4 2 Technical specifications AMD 32 168 230V 50Hz 4 3 Technical specifications AMD 32E 168E 230V 60 Hz 4 4 Technical specifications AMD 3P 25P 115V 60 Hz 4 5 Caratteristiche tecniche AMD 32P 75P 115V 60 Hz 5 DESCRIZIONE TECNICA 5 1 Control panel 5 2 Operation 5 3 Flow diagram 5 4 Refrigerating compressor 5 5 Condenser 5 6 Filter drier 5 7 Capillary tube 5 8 Alu dry module 5 9 Hot gas by pass valve 5 10 Refrigerant pressure switches Pa Pb Pv 5 11 Safety thermo switc Ts 5 12 DMC
41. reference 8 Do not apply weights or external loads on the vessel or its connecting piping TAMPERING MODIFICATION AND IMPROPER USE OF THE PRESSURE EQUIPMENT ARE FORBIDDEN Users of the equipment must comply with all local and national pressure equipment legislation in the country of installation 2 INSTALLATION 2 1 TRANSPORT Check for visible loss or damage if no visible damage is found place the unit near to the installation point and unpack the contents eAlways keep the dryer in the upright vertical position Damage to components could result if unit is laid on Its side or if placed upside down eStore machine in a clean dry environment do not expose to severe weather environments e Handle with care Heavy blows could cause irreparable damage 2 2 5 Even when packaged keep the machine protected from severity of the weather Keep the dryer in vertical position also when stored Turning it upside down some parts could be irreparably damaged If not in use the dryer can be stored in its packaging in a dust free and protected site at a maximum temperature of 50 C and a specific humidity not exceeding 90 Should the stocking time exceed 12 months please contact the manufacturer 5 0001 The packaging materials recyclable Dispose of material in compliance with the rules and regulations in force in the destination country 3 168 2 3 INSTALLATION SITE
42. s formed by a copper tubing circuit with the gas flowing inside immersed in an aluminium blades package The cooling operation occurs via a high efficiency axial ventilator which in applying pressure on the air contained within the dryer forces it into the blades package Its mandatory that the temperature of the ambient air will not exceed the nominal values It s important TO KEEP THE UNIT FREE FROM DUST AND OTHER IMPURITIES 5 6 FILTER DRIER Traces of humidity and slag can accumulate inside the refrigerating circuit Long periods of use can also produce sludge This can limit the lubrication efficiency of the compressor and clog the expansion valve or capillary tube The function of the Filter Drier located before the capillary tubing is to eliminate any impurities from circulating through the system 5 7 CAPILLARY TUBE It consists of a piece of reduced cross section copper tubing located between the capacitor and the evaporator to form a throttling against the flow of the refrigerating fluid This throttling creates a pressure drop which is a function of the temperature to be reached within the evaporator the lower the capillary tube outlet pressure the lower the evaporation temperature The length and the diameter of the capillary tubing are accurately sized with the performance to be reached by the dryer no maintenance adjustment operations are necessary 5 8 ALU DRY MODULE The heat exchanger module houses the air to air
43. service electrically powered devices Before attempting maintenance the following conditions must be satisfied e Ensure that main power is off machine is locked out tagged for service and power cannot be restored during service operations Ensure that valves are shut and the air circuit is at atmospheric pressure De pressurize the dryer These refrigerating air dryers contain R134a or R404A HFC type refrigerant fluid Refer to the specific paragraph maintenance operation on the refrigerating circuit Warranty does not apply to any unit damaged by accident modification misuse negligence or misapplication Unauthorized alterations will immediately void the warranty In case of fire use an approved fire extinguisher water is not an acceptable means in cases of electrical fire 1 3 PROPER USE OF THE DRYER This dryer has been designed manufactured and tested for the purpose of separating the humidity normally contained in compressed air Any other use has to be considered improper The Manufacturer will not be responsible for any problem arising from improper use the user will bear responsibility for any resulting damage Moreover the correct use requires the adherence to the installation instructions specifically e Voltage and frequency of the mains e Pressure temperature and flow rate of the incoming air e Ambient temperature This dryer is supplied tested and fully assembled The only operation left
44. t button discharge test keep pushed for 2 seconds Power O TROUBLE SHOOTING Only qualified personnel should perform troubleshooting and or maintenance operations Ge AN Prior to performing any maintenance or service be sure that part of the machine is powered and that it cannot be connected to the mains supply part of the machine is under pressure and that it cannot be connected to the compressed system AN e Maintenance personnel read understand the safety and operation instructions in this manual SYMPTOM POSSIBLE CAUSE SUGGESTED ACTION No led lighting up Verify that the system is powered Verify the electric wiring internal and or external gt Check internal printed circuit board for possible damage Pressing of Test button The service valve located before the drain is closed open it but condensate gt The dryer is not under pressure restore nominal condition discharge Solenoid valve defective replace the drain gt The internal printed circuit board is damaged replace the drain Condensate discharge gt The capacitive sensor is too dirty open the drain and clean the sensor plastic only when Test button tube Is pressed Drain keeps blowing off gt The diaphragm valve is dirty open the drain and clean it air he capacitive sensor is too dirty open the drain and clean the sensor plastic t
45. t the operating safety and the integrity of the dryer a thermo switch TS is installed on the refrigerant gas circuit The thermo switch sensor in case of unusual discharge temperatures stops the refrigerating compressor before it is permanently damaged Manually reset the thermo switch only after the nominal operating conditions have been restored Unscrew the relative cap see pos 1 in the figure and press the reset button see pos 2 in the figure TS setting temperature 100 2 2 3 168 5 12 DMC15 ELECTRONIC INSTRUMENT AIR DRYER CONTROLLER set Button access the set up Oon 15 Button condensate drain test value increment ON Green LED glowing power on O Yellow LED glowing condensate drain solenoid valve on sel Yellow LED glowing condenser fan on AMD 3 32 50014 DMC15 electronic controller performs the following functions it shows the current operating DewPoint through the digital led display which is detected from the T1 probe located at the end of the evaporator while a second T2 probe located on the discharge side of the condenser activates the relevant fan eventually it controls the functioning of condensate drain solenoid valve through the cyclic electronic timer OPERATION During the dryer operation the LED O ON is on Thermometer 10 LED display indicates the current operati
46. the air see specific point Check for throttling the flexible connection hoses 3 168 The dryer doesn t drain gt The condensate drain service valve is closed open it the condensate condensate drain strainer is clogged remove and clean it The drain solenoid valve is jammed remove and clean it Verify the electric wiring gt The coil of the condensate drain solenoid valve burned out replace it The DewPoint is too low the condensate is frozen see specific point gt The DMC15 electronic controller is faulty replace it The dryer continuously gt The drain solenoid valve is jammed remove and clean it drains condensate c Try to remove the electric connector on the solenoid valve if drain stops verify the electric wiring or the electronic instrument is faulty replace it Water within the line gt The dryer doesn t start see specific point Where installed Untreated air flows through the by pass unit close the by pass gt dryer doesn t drain the condensate see specific point DewPoint too high see specific point Where installed The PA gt Check which of the following has caused the activation high pressure switch has 1 The ambient temperature is too high or the room aeration is insufficient provide been activated proper ventilation Air Cooled 2 The condenser is dirty clean it Air Cooled The
47. the air to refrigerant heat exchangers and the demister type condensate separator counter flow of compressed air in the air to air heat exchanger ensures maximum heat transfer The generous cross section of flow channel within the heat exchanger module leads to low velocities and reduced power requirements The generous dimensions of the air to refrigerant heat exchanger plus the counter flow gas flow allows full and complete evaporation of the refrigerant preventing liquid return to the compressor The high efficiency condensate separator is located within the heat exchanger module No maintenance is required and the coalescing effect results in a high degree of moisture separation 3 168 EN 5 9 HOT GAS BY PASS VALVE This valve injects part of the hot gas taken from the discharge side of the compressor in the pipe between the evaporator and the suction side of the compressor keeping the evaporation temperature pressure constant at approx 2 C This injection prevents the formation of ice inside the dryer evaporator at every load condition ADJUSTMENT The hot gas by pass valve is adjusted during the manufacturing testing phase As a rule no adjustment is required anyway if it is necessary the operation must be carried out by an experienced refrigeration engineer WARNING the use of Schrader service valves must be justified by a real malfunction of the refrigeration system Each time a pressure gauge is connect
48. the refrigerant to condense to a high pressure liquid state The liquid is forced through a capillary tube where the resulting pressure drop allows the refrigerant to boil off at a predetermined temperature Low pressure liquid refrigerant enters the heat exchanger where heat from the incoming air is transferred causing the refrigerant to boil the resulting phase change produces a low pressure low temperature gas The low pressure gas is returned to the compressor where it is re compressed and begins the cycle again During those periods when the compressed air load is reduced the excess refrigerant is by passed automatically back to the compressor via the Hot Gas By pass Valve circuit 3 168 EN 5 3 FLOW DIAGRAM HO NN NNN NN 10000 20004 Standard ii WM Optional E Alu Dry Module a Air to air heat exchanger b Air to refrigerant exchanger c Condensate separator Refrigerant pressure switch 168 Safety thermo switch Ts AMD 4 168 AMD 43P 168P Refrigerant pressure switch AMD 105 168 Refrigerant Fan pressure switch Py AMD 43 168 Refrigeration compressor Hot gas by pass valve Condenser Compressed air flow direction CO X m C0000 Condens
49. to the user is the connection to the plant in compliance with the instructions given in the following chapters The purpose of the machine is the separation of water and eventual oil particles present in compressed air The dried air cannot be used for breathing purposes or for operations leading to direct contact with foodstuff This dryer is not suitable for the treatment of dirty or of air containing solid particles 3 168 1 4 INSTRUCTIONS THE USE OF PRESSURE EQUIPMENT ACCORDING TO PED DIRECTIVE 97 23 EC To ensure the safe operation of pressure equipments the user must conform strictly to the above directive and the following 1 The equipment must only be operated within the temperature and pressure limits stated on the manufacturer s data nameplate 2 Welding on heat exchanger is not recommended 3 equipment must not be stored in badly ventilated spaces near a heat source or inflammable substances 4 Mibration must be eliminated from the equipment to prevent fatigue failure 5 Automatic condensate drains should be checked for operation every day to prevent a build up of condensate in the pressure equipment 6 maximum working pressure stated on the manufacturer s data nameplate must not be exceeded Prior to use the user must fit safety pressure relief devices 7 documentation supplied with the equipment manual declaration of conformity etc must be kept for future
50. ube Drain in alarm gt The capacitive sensor 1 too dirty open the drain and clean the sensor plastic condition tube gt The service valve located before the drain is closed open it dryer is not under pressure restore nominal condition Solenoid valve defective replace the drain NOTE When the drain is in alarm condition the diaphragm solenoid valve will open 7 5 sec every 4 min 6 MAINTENANCE TROUBLESHOOTING SPARES AND DISMANTLING 6 1 CONTROLS AND MAINTENANCE Only qualified personnel should perform troubleshooting and or maintenance operations AN Prior to performing any maintenance or service be sure that part of the machine is powered and that it cannot be connected to the mains supply part of the machine is under pressure and that it cannot be connected to the AN Before attempting any maintenance operation on the dryer shut it down and wait at least 30 minutes compressed air system e Maintenance personnel have read and understand the safety and operation instructions in this manual Some components can reach high temperature during operation Avoid contact until system or component has dissipated heat DAILY e Verify that DewPoint displayed on the electronic instrument is correct e Check the proper operation of the condensate drain systems e Verify the condenser for cleanliness EVERY 200 HOURS OR MONTHLY MAK 2 bary 30 Psig e
51. up eunssaJd 91 9 NSSSIA XEN 2 eJnsseJd Gg get xew 5 Lt oJnjeJeduue jueiquue 5 9 eunjyejeduie jueiquue a OSH 48 0 jenba G JUlO MAY 91 55914 4 4 88 v9 oV ve wos 091 801 21 18 95 LZ 0092 0081 096 009 095 009 1 uo eui YOSYD Oo 65 pue 2 62 Jo ue OL gt 94 c8 26 06 8 8 9 Iv 09 L L L zH A ud 5 esiou Xe A muenb 14 48 suoioeuuoo 12 5 oJnssoJd XEN oJnssoJd JEUILUON 99 65 Lt e1njeJeduie jueiquue jueiquue CARATTERISTICHE TECNICHE AMD 32P 75P 115V 60 HZ OSH 48 0 jenba G ANSSI
Download Pdf Manuals
Related Search