OILLESS SCROLL AIR COMPRESSORS
Contents
1. T IC a x V MAX 5m s lt a a E a x 5o A d MIN 2000mm 78 8 5 ELE MIN 1500mm 59 1 5 8 a 9 L z A m 258 h DI D NG i S Ev MAx3m s D a e i Ze i 8 I Fig 4 5 Duct installation 10 COAIRE INSTALLATION Table 4 1 Ventilation Fan Capacity Air Volume Hood Size Model ft min CFM Inch x Inch CSOF S15PL H 3532 19 7 x 39 4 CSOF S20PL H 5298 23 6 x 47 2 CSOF S25PL H 7063 27 55 x 55 1 4 3 3 Selection of Where to Install table 4 2 Requirements for Where to Install Item Description Do not install the compressor unit on the outside Place Please keep warm during the winter se2. Below 0 04in ADJUSTED SIDE FIXED SIDE MOTOR AIREND Fig 8 4 Belt align 31 COAIRE MAINTENANCE A Caution 1 An air compressor is automatically operated Do not check and replace the belt until the compressor is stopped and the main power is turned off 2 Only use the belt specified by Coaire for a replacement Do not use old and new belts mixed and replace the entire set of belts all at once 3 The shaft is damaged and the service life of the bearing is shorten at a high tension of the belt while the belt is slippery at a low tension of the belt Always keep the optimal tension value with reference to the Table 8 1 8 3 5 Cleaning the Suction Filter 1 Check the contamination level every 500 hrs 2 Replace the heavily contaminated filter even before the replacement period 3 Blow the element with the compressed air outward and then by the side 4 Keep dust and foreign substances out of the compressor during the assembly A Caution A suction filter significantly affects the service life of an airend Make sure to use only the genuine Fig 8 8 Suction filter cleaning Coaire suction filter Coaire cannot be responsible for any damage caused by an improper replacement 8 3 6 Check valve SES s poe Compressed air leakage may come from suction f
3. 3 EN E 292mm 11 5 384mm 15 17 __ 74mm 2 9 O A inj E IPA NQ EE 5 El SI SUR SE m 1 H E E 5 r N m Ng my Main terminal block gt 1 206mrh 8 1 169mm 6 7 T CS 7 EXHAUST AIR OUTLET 100001 I I AIR INTLET DI lt a lt e a VO MAIN POWER INLET a lt a ff qa tsa Z AIR OUTLET N Z 25A 1 7 p Je ET p P q 1 E OILFREE I l in I i 0 1 30mm 1 2 142mm 5 6 m a a 750mm 29 5 5 la 1280mm 50 4 A E LA ma N 37 COAIRE OUTLINE DRAWINGS 10 2 CSOF S20PL H N E 292mm 11 5 384mm 15 1 74mm 2 9 ive A mj Epanye Q Si E I o EE S RI SS Ti d 4 E Baa SE Es aa I 06mm 8 L 69mm 6 7 q S i F H so E MAIN POWER INLET L ri d FETT P K a z 5 pa E OILFREE 2 1 L 750mm 29 5 COAIRE
4. 43 COAIRE ELECTRICAL WIRING DRAWINGS 11 3 CSOF S25PL H 11 3 1 CSOF S25PL H POWER amp MOTOR WIRING COLOR B BLACK BL BLUE R RED Y YELLOW NOTES 1 MBOL INDEX NG a N O N D 0 A Yo PAN o a To O Ol Lo 5 I a o lo GND No SYMBOL SYMBOL EMERGEN OP PUSH BUTTON 5 CH TB 1 OR MOTOR 9 PT 2 MAGNETIC R MOTOR 10 sk SURGE KILLER 3 TERMINAL BLOCK FOR INPUT P FUSE TH THERMISTOR GROUND NNECTION TR TRANSFORMER MOTOR FOR AIR COMPRE TERMINAL BLOCK NUMBER FOR CONTROL MOTOR FOR VENT FAN TEXTI WIRING NUMBER E FILTER COAIRE A4 11 3 2 CSOF S25PL H CONTROL LINE RED ELECTRICAL WIRING DRAWINGS 2 BLACK 3 3 S PT 16BAR 4 20mA gt 5 gt m 0 a u u 3 co Oo a SR
5. Dust seal Check or Clean Replace or Re grease Check the pulley grooves for wear high pressure scrolls need grease every 5 000 hours high pressure scrolls need tip seal change every 5 000 hours Air end sirocco fan Clean Discharge check Check valve Replace 520 109 02 System piping Check Check for leaks tightness Temperature sensor Check Replace if not 520 101 08 operation functioning properly Pressure sensor Check Replace if not 520 109 04 Operation functioning properly Motor Check consult factory for insulation motor part number bearing and pricing Notes 1 The intervals suggested above are based on normal operating conditions ambient temperature between 35 and 104 F and a clean environment Maintenance intervals may need to be shortened depending on the operating environment 2 User or a qualified technician should carry out the maintenance based on the run hours or calendar time whichever comes first X NOTE Maintenance schedule is instructed as above The intervals are a guide based on normal operating conditions If operated in a severe environment necessary maintenance service should be performed on a more frequent basis User should carry out the maintenance work based on either the running hours or the calendar time whichever comes first 8 2 blank 29 COAIRE MAINTENANCE 8 3 Maintenance 8 3 1 Regular Maintenance of the Airend 1
6. caught in the rotating parts COAIRE 30 MAINTENANCE 8 3 3 Adjustment of the Belt Tension Adjust the belt tension in first 500 hrs after the purchase and every 3 000 hrs 6 months thereafter in the following procedures 1 Use a tensionmeter to measure the displacement of each belt 2 Loose the anchor bolt on the motor base and use the tension adjusting bolt to adjust the tension with reference to the Table 8 1 3 Align the motor and tighten the anchor bolt on the motor base Looseness inh 6 kg New Displace Model P kg 6 in P kg in CSOF S15PL H CSOF S20PL H 1 7 0 24 1 6 0 23 CSOF S25PL H Fig8 3 Belt tension check Table 8 1 Belt tension 8 3 4 Alignment of the Belt Off centered pulleys generate the noise and vibration and accelerate the process of wearing the belt and pulley to cause the damage to the belt Align the center of the pulley during the replacement of a belt and the adjustment of the belt tension With the compressor fixed loose the anchor bolt on the motor and place an iron rule between the pulleys as shown in the following fig Gradually tighten the anchor bolt on the motor and check the center is aligned between the pulleys Completely tighten the bolt recheck the alignment and then rotate the pulley to check if the belt moves smoothly
7. 7 Main terminal block EXHAUST AIR OUTLET WVU L AIR INTLET lt lt lt aa AIR INTLET a DI KI 3 AIR OUTLET 258 17 NI _ 30mm 12 142mm 5 6 p L 1280mm 50 4 5 m N 38 10 3 CSOF S25PL H 3 Gi E 300mm 118 376mm 14 8 _ 74mm 2 9 oO ea I i So Q so Sy N 1 i so a CL N LA 1 242mrp 9 5 0 250mm 918 1 i I FF epa e COAIRE 1 5 o E o st o N MAIN POWER INLET 7 n KH 3 a P S OILFREE 1 8 750mm 29 5 Al Main terminal block 2 OUTLINE DRAWINGS di Ground CC O K Ng R ST IE 0 l EXHAUST AIR OUTLET TITUUT li AIR INTLET CA N DI a AIR INTLET DI ge lt i AIR OUTLET 25A 1 N o a E E L e C
8. Check if there is any abnormal vibration or noise during a routine operation and contact the nearest distributor if necessary 2 There are two types of the scroll airend Low Pressure 115 psi and High Pressure 140 psi The maintenance period is different by type specified in the identification plate attached on an airend The standard specification of Coaire airend is a low pressure type 3 Periodically lubricate an airend with grease See the maintenance schedule for when the lubrication is needed Fig 8 1 Scroll Airend A Caution The airend consists of precision parts and needs special tool and jig for a repair and maintenance It shall only be disassembled by our qualified engineer Contact the nearest distributor if necessary 8 3 2 Rotation of the Driving Part If the motor is not started up or generates an abnormal noise stop the compressor turn the main power off and then manually rotate the motor pulley If it does not rotate smoothly contact the nearest distributor for a service It is mostly due to the damage on the motor bearing or when the airend is stuck onn Fig 8 2 Motor Airend connection A Warning An air compressor is automatically operated Do not come near the parts until the compressor is stopped and the main power is turned off It may cause a serious personal injury if hair or clothes is
9. o a o A x g el i 5 5 z BO o fo SC 4al pi gail d a ana N IMO Sa Y D m a 4 m AN AN gha YMBOL INC EX No SYMBOL DESCRIPTION No SYMBOL DESCRIPTION OVER CURRENT RELAY FOR COMPERSSOR MOTOR 9 PT MAGNETIC CONTACTOR FOR PR SK E KILLER EMERGENC BUTION TB AL BLI FUSE TH THERMISTOR GROUND CONNECTION TR TRA RMER MOTOR FOR AIR COMPRESSOR TERMINAL BL NUMBER FOR CONTROL WIRE MOTOR FOR VENT FAN TEXTA WIRING NUMBER NO SE FILTER 45 COAIRE STARTUP REPORT Please fill out completely and return to the factory to validate warranty CUSTOMER AND MACHINE INFORMATION CUSTOMER FACTORY SHIP DATE ADDRESS DATE STARTED UP CITY STATE MODEL NUMBER j PHONE pC SERIAL NUMBER WRITTTEN BY P HOURS ON MACHINE Hrs MACHINE INFORMATIONS AND INITIAL STARTUP Compressor Environment excellent _ good _ fair _ poor _ Machine Location indoors outdoors if outdoors protected from rain Yes No _ Approx ambient temperature 73 adequate ventilation Yes No Did you check for correct rotation Yes No Nameplate amperage for voltage used Incoming Voltages L1 L2 L2 L3 L1 L3 Volts Full load amperage
10. An trip message is displayed that will be automatically reset to clear once the condition has been resolved 7 4 3 EVENT MESSAGE for OPERATION INFORMATION Description Detect condition 1 ST POWER The time when Initial Power UP to Controller The time when power up to controller Le POWER UP System restoration by watchdog timer START The time when motor started STOP The time when motor stopped 28 COAIRE MAINTENANCE 8 0 Maintenance 8 1 Maintenance schedule Low pressure 115 psi and high pressure 140 psi scroll enclosures Item action Run Time Hours Remarks Every Day 250 500 1 250 2 500 hours 5 000 hours 10 000 hours hours hours hours or 1 year or 2 years or 4 years Condensate drain drain O Ensure after cooler and compressor fan are clear of debris Check the monitor for maintenance or alarms Tighten or replace as needed Replace as needed based on filter condition Clean more often if necessary S Enclosure check ventilation fan O Belt Check consult factory for replace O the correct belt 1 time Safety relief valve Check operation Inlet air filter Clean BC5KL RK1 replace After cooler Clean Motor pulley consult factory for motor part number and pricing Intake suction hose Check 520 139 00 replace Grease bearings grease 3 crank bearings 1 main bearing BC5KL PK2 Tip seal Kit Replace Kit BC5KL H 06 Tip seals Back up tube
11. Hrs x S Hrs 01 Travel Time Hrsx Hrs 02 Total Amount 03 04 Technician s name WRITTEN BY 47 SIGNATURE X COAIRE QUALITY AND RELIABILITY WITHOUT COMPROMISE COAIRE reserves the right to make changes at any time without notice as a result of our commitment to continuous improvement 48 COAIRE
12. REM Digital inputs 2 LOAD REQUEST SOURCE DISPLAY PRE Pressure sensor NET Communication request Option REM Digital inputs 3 STOP STATUS DISPLAY Display while compressor stopped LOC STP Stopped by controller keyboard REM STP Stopped by digital inputs NET STP Stopped by communication request Option S D STP Stopped by fault condition 4 START STATUS DISPLAY Display while compressor started LOC RUN Started by controller keyboard REM RUN Started by digital inputs NET RUN Started by communication request Option 5 COMPRESSOR STATUS DISPLAY GOOD Normal condition MAINTEN Maintenance required ALARM Alarm condition S DOWN Trip condition INHIBIT Start inhibit condition 7 3 4 System Locked SYSTEM LOCKED SYMBOL COAIRE 23 CONTROL 7 3 5 Digital Input Symbols Over current Motor 1 Over current Motor 6 Over current Motor 5 Remote Start Stop Control 7 3 6 Digital Output Symbols nu m C1 C7 Comp 1 On Off Control Comp 2 On Off Control Comp 8 On Off Control Comp 7 On Off Control Comp 3 On Off Control em Multi Function Port N9 Comp 4 On Off Control Multi Function Port N10 Comp 5 On Off Control Multi Function Port N11 Comp 6 On Off Control Multi Function Port N12 24 COAIRE CONTROL 7 3 7 MENU STRUCTURE and NAVIGATION eo Select eo Select eier v eo Adjustment Fig 7 3 MENU STRUCTURE and
13. a DI 010 4 IN l a ID9 lla Jus mo le 3 a 7 8 w7 e 3 a 7 a sans e ale A Inc e 1 e ID5 k J al ale IDA e IN ala D3 9 z Ale 2 e i N alla mp e O N 7 c3 Ge 12 el N12 5 Jl ale Nit le Juvas NE 1 ale nio le Navy dile ale n No e NAY a c2 e A ns Je N7 NG Q NS aa 5 N4 a 5 N3 s S N u l x a NI A A A G Ce d d N 1 Fa ETS co lie gt ei 7 2 N Z W 25 a gt ys cN q 4 ELECTRICAL WIRING DRAWINGS SYMBOL DE IPTION SYMBOL DESCRIPTION 1 5 OVER CURRENT RELAY FOR COMPERSSOR MOTOR PT MAGNETIC CONTACTOR FOR COMPRI SK TB SOUCE TH THE ON TR TRANSFORMER MOTOR FOR AIR COMPRES TERMINAL BLOCK NUMBER FOR CONTROL W 5 GND 6 Mc 7 MV MOTOR FOR VENT FAN TEXTI NUMBER NOISE FILTER 41 COAIRE ELECTRICAL WIRING DRAWINGS 11 2 CSOF S20PL H 11 2 1 CSOF S20PL H POWER amp MOTOR B BLACK BL BLUE R RED Y YELLOW 1 WIRING COLOR NOTES DESCRIPTION SYMBOL SCRIPTION OVER CURRENT RELAY FOR COMPER R MOTOR 9 PT SURE TRANSMITTER 2 MAGNETIC CO
14. amount of air used The motor is a 3 phase induction motor that has a service factor higher than a general motor and is designed to generate a high efficiency suitable for an air compressor The motor plays an important role for the operation of the air compressor and needs maintenance on a regular basis Fig 6 2 Motor 18 COAIRE FUNCTIONAL DESCRIPTION 6 3 Fan Fan is key part to keep proper temperature of airend please keep clean and periodically remove dust and foreign object not to dysfunction Fig 6 3 FAN 6 4 Cooler A cooler element is an aluminum cooler that is designed to be used up to 217 5 psi Dust may increase the temperature in the cooler pin which needs to be cleaned with the compressed air or a detergent on a regular basis When cleaning cover the electric parts to keep the water out Fig 6 4 COOLER 6 5 Suction Filter An airend consists of precision parts that need a clean air to be used for an optimal service life Coaire air compressor is equipped with a paper suction filter that has 99 9 of the dedusting efficiency The filer needs to be replaced every 2000 3000 hrs If it is unavoidable circumstance the reuse is only allowed once after cleaning X Make sure to use only the genuine Coaire suction filter Fig 6 5 SUCTION FILTER 6 6 Check Valve A check valve plays an important role in the scroll air compressor The valve prevents the backflow of t
15. of an airend is 158 F or below at the operating temperature 104 F 2 Always take necessary action if the temperature of the airend is sharply increased with no 9 3 Other Troubleshooting Trouble Cause Action 1 Tripped due to the over current in motor 1 Compressor is tripped Foreign substance in the compressor Damage to the wrap of the compressor Low voltage 2 Open phase Unbalanced power supply 3 Deteriorated coil in the motor 4 Failure of EOCR 1 Contact the distributor Improve the power supply 2 Improve the power supply 3 Check the motor 4 Readjust or replace 2 Noise and Vibration 1 Fixing bolts are loose 2 Noise from the compressor Bearing is worn out or damaged Foreign substance in the compressor 3 Improper belt tension and the damage to the parts 4 Inadequate installation of the compressor 5 Failure of cooling fan dust or damaged 1 Readjust 2 Contact the distributor 3 Realign or replace the belt 4 Reinstall the compressor 5 Clean or replace the fan COAIRE 36 OUTLINE DRAWINGS 10 0 Outline drawing 10 1 CSOF S15PL H
16. prevent birds rodents and foreign substances from entering Place the inlet as low as possible COAIRE 11 INSTALLATION 4 4 Requirements for the Piping 1 Use a larger diameter and install the pipe without an excessive bending to reduce the pressure drop 2 Always place a branch pipe on the top of a main pipe to reduce the discharge of oil or water 3 For the compressed air pipes reduce the number of sections bending and connecting and the number of valves installed to reduce the pressure loss 4 The increased pressure loss requires a high discharge pressure of the air compressor Consequently it causes the power loss The water stays wherever the pipe is sagging to increase the pipe resistance which may cause winter sowing Thus consider the pipe straightness when installing the pipes 5 Install a bypass piping on each equipment for a maintenance 6 A scroll air compressor has a check valve in the system Installing more check valves between the compressor and the air receiver tank may cause a malfunction of the compressor 7 Always install a drain valve on the bottom of a vertical pipe for the prevention of a winter sowing 4 5 Wiring 1 Extremely low or high voltage power supply may cause the failure of the compressor Low power capacity also causes significant voltage drop when starting up the compressor The compressor requires at least 85 of the rated voltage for a start up which shall be maintain
17. CK VALVE COAIRE GENERAL 3 4 2 CSOF 525PL H DESCRIPTION 1 COMMON BASE 2 COVER amp FRAME 3 AIREND 4 MOTOR 5 MOTOR PULLEY COAIRE Fig 3 3 CSOF 525PL H Outline View 6 AIREND PULLEY 7 SUCTION FILTER 8 AIR DELIVERY SOCKET 9 AIR DELIVERY PIPE 10 AIR COOLER 11 COOLING FAN 16 SAFETY VALVE 12 CONTROLLER 17 DRAIN VALVE 13 CONTROL BOX 18 PRESSURE TRANSMITTER 14 V BELT 15 CHECK VALVE 3 5 System Diagram 3 5 1 CSOF S15PL H CSOF 520PL H CSOF S25PL H SC 1 ta ZAN l 4 INS d A N ABBREVIATION SF SH AE SFV AC SUCTION FILTER SUCTION HOSE AIREND SAFETY VALVE AIR COOLER SIMBOL LIST TT TEMPERATURE TRANSMITTER PT TIH PRESSURE TRANSMITTER J J TEMPRATURE TRANSMITTER HIGH Va q PTH PRESSURE TRANSMITTER HIGH Fig 3 4 System Diagram GENERAL gt Ow CHECK VAVLE mmm SUPPLY AIR LINE gt AIR LINE 0 BALL VALVE COAIRE INSTALLATION 4 0 Installation 4 1 Inspection COAIRE AR covPRESSOR When you receive the compressor please inspec
18. COAIRE SCROLL OILLESS SCROLL AIR COMPRESSORS MAINTENANCE MANUAL AND PARTS LIST CSOF S15PL H22 e CSOF S15PL H32 KYUNGWON CSOF S15PL H42 CSOF S20PL H22 CSOF S20PL H32 CSOF S20PL H42 CSOF S25PL H22 CSOF S25PL H32 CSOF S25PL H42 January 2013 All rights reserved Printed in U S A For proper and safe use of the compressor please follow all instructions and safety precautions as identified in this manual along with general safety regulations and practices 1 COAIRE WARRANTY STATEMENT OF WARRANTY TERMS amp CONDITIONS General Provisions a Coaire warrants our air compressors and scroll systems henceforth called products to be free from material defects and workmanship under proper use operating conditions installation and application based on the terms and conditions set forth below Coaire offers no other warranty whether expressed or implied including any warranty of merchantability or fitness for a particular purpose b Am air compressor part or material found to be defective will be repaired replaced or refunded at the sellers option free of charge provided that Coaire is notified with the stated warranty period c All claims shall be made in writing using our warranty claim report located within each service manual d All claims must have the start up report sheet included The start up report sheet is located within each service manual e All returns of allegedly defective equipment must hav
19. H 30mm 1 2 142mm 5 6 L 1280mm 50 4 _ 39 COAIRE ELECTRICAL WIRING DRAWINGS 11 0 Electrical wiring drawings 11 1 CSOF S15PL H 11 1 1 CSOF S15PL H POWER amp MOTOR N lt L lt L 9 O 7 4 4 d m m TA Re LI d 5 f N D e N m2 Li MHz Wb d NOTES 1 WIRING COLOR B BLACK BL BLUE R RED Y YELLOW SYMBOL INDEX EMERGENCY 2 dt ESP 4 IF FUSE OUND CONNECTION FOR AIR COMPRES ONTROL WIRE FOR VENT FAN TEXTA NOISE FILTER COAIRE 40 11 1 2 CSOF S15PL H CONTROL LINE SYMBOL INDEX o N LI e 12 gt 5 gt l O 88 e w J w Z B7 e 0 D u LOG INPUT A 8 e 3 nm e SE e Je 33 BS KE O 5 J pd 7 a O O 5 Ba le z a oi ES z J Zo e B3 9 9 a NG 0 Tlla ala F B2 Als s e 05 ala 3
20. Low pressure 140 High pressure Pressure Re start 93 Low pressure 120 High pressure High temp stop F 176 Airend Starting Method D O L 16 COAIRE OPERATION 5 2 2 Start Up 1 Check if the tank pressure is 0 psi 2 Check if the monitor indicates a normal condition for the operation and then push the START button 3 Fully open the valve on the discharge side before starting the compressor 4 Check if there is any abnormal noise and the operation is in good condition 5 2 3 During the Operation 1 With a full load check the values indicated by the instruments Also check if the indicator lamps are normally on in the control panel 2 Pull the ring on the safety valve every 500 hours to check if the operation is normal Table 5 2 Checklists During the Operation Section Regulation Re mark Airend Temp Max 176 F Airend Amb Temp 32 104 F Lamp on during the operation Sart Input voltage Pressure gap of unit and discharge 10 of rated voltage Max 7 25 psi 5 2 4 Stop 1 Push the STOP button 2 Turn the main power off 3 Check if the internal pressure is completely discharged from the compressor 5 2 5 Operation Log Regularly record the information about the operation events in the operation log to early find the failure of the compressor and to prevent the accident before happens The information includes the discharge pre
21. NAVIGATION 7 3 8 Menu level ACCESS LEVEL USER CODE 0000 SERVICE 1 CODE 0100 STATUS MODE PRESSURE MODE SCHEDULE MODE TRIP LOG MODE TRIP SET OPERATION SET COMP SET CONFIG MODE FACTORY SET TIMEOUT PERIOD 1 MINUTE 10 MINUTE STATUS MODE PRESSURE MODE SCHEDULE MODE ACCESS ABLE TRIP LOG MODE MENU TRIP SET OPERATION SET COMP SET CONFIG MODE Press MENU button for a seconds in status mode an access code entry display Fig 7 4 is shown Use PLUS button to adjust value then press ENTER button If the access code have been entered to authorized menu page will be displayed An invalid code will return the display to normal operation mode COAIRE 25 CONTROL ACCESS CODE Fig 7 4 ACCESS CODE ENTRY DISPLAY 1 When access level is SERVICE 1 Equipment Environment Setup menu cannot be adjusted 2 Press CANCEL button for three seconds at any time to return to the system locked condition 7 3 9 DIGITAL OUTPUT ACCESS CODE 0100 Editable sa 1 STATUS MODE x E 2 PRESSURE MODE N TARGET PRESSURE O U STEP 1 STEP 8 START PRESS x STEP 1 STEP 8 STOP PRESS x S LCD LIGHT MODE x 7 R 3 SCHEDULE MODE x U S 4 TRIP LOG MODE x T 5 TRIP SET x U 6 OPERATION SET x R E 7 COMP SET x 8 CONFIG MODE x 26 COAIRE CONTROL 7 4 MESSAGE OUTPUT 7 4 1 TRIP ALARM MESSAGE 2 E
22. NTACTOR FC OMPI MOTOR O SK SURGE KILLER EMERGENCY STO P Pus BUTTON CH TERMINAL BLOCK FOR INPUT POWER SOUCE 4 F FUSE 12 TH THERMISTOR 3ND GROUND CONNECTION 3 TR TRANSFORMER M MOTOR FOR AIR COMPRESSOR 14 TERMINAL BLOCK NUMBER FOR CONTROL WIRE 7 MV MOTOR R VENT FAN 5 TEXT NG NUMBER n NOISE FILTER COAIRE 42 11 2 2 CSOF S20PL H CONTROL LINE RED BLACK PT R 4 20mA NOTES ELECTRICAL WIRING DRAWINGS B BLACK BL BLUE R RED Y YELLOW 1 WIRING COLOR J2 auvds F vaS Wary NAY a o BL AV 4 RIPTION SYMBOL OVER CURRENT RELAY FOR COMPERSSOR MOTOR 9 PT MAGNETIC STOR FOF OR MOTOR 0 SK SURGE KILLER EMERGE JP PUSH BUTTON 0 TERMINAL BLOCK FOR INPUT POWER SOUCE FUSE THERMISTOR 5 GND GROUND CONNECTION 13 TRANSFORMER 6 MC MOTOR FOR AIR COMPRESSOR 14 TERMINAL BLI NUMBER FOR CONTROL WIRE 7 MV MOTOR FOR VENT FAN 15 WIRING NUMBER 8 NF NOISE FILTER
23. ason if you have to install on the outside Keep the space of more than 31 5inch from the wall to facilitate the repair and Space maintenance of the compressor Do not place any object in front of the door The floor shall sufficiently holds the weight of the compressor Eege The floor surface shall be flat with a gradient less than 1 degree to minimize Foundation the vibration It is recommended to install the compressor 4inch above the floor though Coaire air compressor generates an insignificant amount of vibration Optimal ambient temperature is 32 104 F during the operation Room Install the compressor at low temperature and moisture if possible Temperature Each 10 C increase of the inlet temperature reduces the efficiency of the compressor by 3 4 Install the compressor at the place where there is the least noxious gas Hazardous hazardous substance and dust Those foreign substances may cause the Substances damage of the air compressor Electricit The electric power shall have at least 150 of the reference margin y The range of fluctuation in voltage shall be within 10 A ventilation fan shall be installed to forcedly ventilate the room if the room temperature exceeds 10 C more than the outside temperature in the summer ede For an exhaust duct set the velocity at 5 m s and the static pressure at less Ventilation than 5 mmAq Install a protective net on the exhaust outlet to
24. at _ PSIG Li B Amp Unload amperage at PSIG L1 L3 Amp Amp Is the machine on a level and stable surface Yes _ No Was a flexible connector used to connect piping Yes No Approx time spent during startup procedure Hrs Did you advice customer on operation and maintenance of machine Yes No Application and installation comments Machine Sold By Company Sales Person Startup performed by Date THERE IS NO WARRANTY WITHOUT THIS REPORT 46 COAIRE Warranty Claim Report Please complete the following claim form your claim will be confirmed by our sales representative To Coaire Division of Quietside 8750 Pioneer Blvd Santa Fe Springs CA 90670 Tel 562 576 1330 Fax 562 699 4351 email support coaire com Company Distributor Address Company Customer Address OPERATING CONDITIONS Percent on load No of days of operation weekly Hours per day Hours Compressor area temperature Machine setting OL OL or Med Environment 1 1 to 10 1 being clean 10 very dirty Ambient Temperature Discharge temperature Incoming Voltages Full load amperage at PSIG Li L2 L2 L3 L1 L3 Amp Amp Amp Unload amperage at PSIG L1 L2 L2 L3 Li Amp Amp L3 Amp Parts required Labor Cost No Item Number Description MFGR Part Number Quantity Labor Time
25. e prior written authorization Said authorization shall be obtained through our service department Any compressors parts or materials must be returned freight prepaid to the manufacturers factory within 30 days of the return authorization date Any shipment returned to the factory collect will be refused f If an item is found to be warrantable the repaired or replacement item will be returned normal ground freight prepaid Expedited return freight costs are the responsibility of the requestor g Any replacement part or material is warranted to the extent of the remaining warranty period Standard Period of Warranty h Coaire warrants our system s for a period of 15 months from shipment 12 months from the documented start up or 5 000 hours of use whichever occurs first During such period Coaire will be liable for all product or material defects and will assume the costs of repair or replacement so long as the product s are located within the continental United States or Canada In addition the product s must be easily accessible by service personnel for removal i In addition to item g above Coaire warrants the air compressor air end compressor only parts only no labor for a period of 27 months from shipment 24 months from the documented start up or 7 500 hours of use whichever occurs first j Coaire product s located outside of the continental United States or Canada shall include a parts only warranty for a p
26. ed within 10 of the rated voltage during the operation The inter phase voltage imbalance shall be within 2 not exceeding 3 even in a special case 2 Features and Capacity See Table 4 4 Electrical Specification for an appropriate electric power an operating current and a starting current Considering that the discharge air pressure abnormally exceeding the rated operating pressure increases the operating current wiring shall allow about 120 of the rated capacity of a main transformer 3 See Table 4 4 Electrical Specification for the electric power kW and the power factor 96 4 Minimum Capacity of Transformer kVA Electric Power kW Power Factor x 100 x 1 2 5 Longer lead in wiring of the main power may cause the compressor failed or tripped during the start up due to the voltage drop in the line Select the thickness of the cable so that it maintains at least minimum starting voltage 6 The calculation of the voltage drop based on the line length is as follows 3 Phase 3 Line Type Connection 30 8xLxI 1000 x A Where I Current A A Cross Section of Cable mm2 e Voltage Drop V L Length of Cable M 12 COAIRE INSTALLATION 7 It is recommended that the thickness of the cable shall allow more than the minimum requirement specified for a power condenser and the length of the cable shall be within 1 5 m No wiring is necessary if there is a power condenser with a sufficient capacity in the bus conducto
27. ent Yes Clean the suction filter and replace if necessary Check the rotation Check the pipe for leakage Suction filter is clogged Airend is damaged Check if there is any abnormal noise Check the function of a multi unit control Failure of controller Check the magnet and the output of J the controller No After eliminating the cause 9 2 5 Discharge Pressure Rise Discharge Pressure Rise Error message Delivery Pressure High appears Yes Safety valve is Pressure sensor or safety valve is activated defective No Yes Check the operation of the pressure sensor Failure of pressure sensor gt No Yes Failure of controller No Check the output of the controller After eliminating the cause 35 COAIRE TROUBLESHOOTING 9 2 6 Discharge Temperature Rise Discharge temperature rise gt Check the controller Request a service Error message comp 1 5 temp appears Keep the internal temperature 104 F High ambient or below temperature duct Check the ventilation facility and Check the input out of the necessary temperature sensor Replace the temperature sensor if After eliminating the caus Start Up lt or below change in ambient temperature 1 An appropriate temperature
28. entification plates on the air compressors as well as on the enclosures These data plates show the primary information for the product This data should always be referred to when calling the manufacturer or distributor The removal or alteration of the identification plate s shall immediately void all warranty Who to contact for warranty claims Web www coaire com Phone 562 496 3935 Fax 562 463 4928 8750 Pioneer Blvd Santa Fe Springs CA 90670 All freight damage claims should be filed within 15 working days and should be directed to the carrier 2 COAIRE SAFETY AND WARNINGS 2 0 Safety and Warning 2 1 General 1 The air compressor shall only be operated by a person who has been trained in a safe operation 2 Please read and be familiar with the user s manual and the safety instructions before using the air compressor 3 The scroll air compressor alone cannot be used for a respiratory system food and medical equipment under any circumstance 4 Do not leave inflammables and explosives near the air compressor 5 Make sure to use only the genuine Coaire parts Other types of replacement may cause a serious failure 6 The equipment shall safely be operated in compliance with all safety requirements and regulations X The user assumes full responsibility for any problem associated with the non compliance with the instructions in the user s manual 2 2 Safety Caution A CAUTION Ca
29. eriod of 15 months from shipment 12 months from the documented start up or 5 000 hours of use whichever occurs first Exclusions Coaire shall have no warranty obligation for k Products not installed in accordance with our written instructions and specifications l Operated in an unsuitable environment in excess of stated product parameters modified in any way or used in an improper manner m That have not been properly maintained per Coaire s written instructions n Use of corrosive materials or insoluble lubricants o Normal wear and tear items are not included under this warranty p Any OEM original equipment manufacturer component that may be used within our products will carry the original manufacturer s warranty q Product is properly stored prior to installation r Product not installed by a competent qualified installer s Product which may have been damaged during shipment Liability Limitation t Coaire shall not be liable for any damages incidental consequential punitive et al that may arise from the use of our product Coaire s liability in all events is limited to and shall not exceed the original purchase price Suitability of the Product u Jurisdictions has various codes Coaire makes no claim as to the suitability for all jurisdictions It is the buyer s responsibility to ensure the product installation and use comply with local jurisdictions Identification plate v Coaire products have id
30. from driven parts Will cause injury or death A WARNING Check The Rotation N DANGER Hazardous voltage inside Shut off power Will shock cause injury or death N DANGER Keep hands feet and clothing away from driven parts Will cause injury or death A WARNING Check The Rotation N WARNING Do not touch Hot surface Will cause injury or death N DANGER High pressure Safely depressure the compressed air Flying parts from compressed air can cause injury or death N DANGER Compressed air from this machine contains oil mist which may cause severe nausea injury or death Never use air from this machine to supply breathing air and keep unit in a well ventilated area 12 2 2 Side View 4 COAIRE GENERAL 3 0 General 3 1 Specification Model CSOF S15PL H CSOF S20PL H CSOF S25PL H Type Single Stage Oil free Scroll Air Compressor Air 115 psi 42 3 56 5 70 6 Delivery UNIT cfm 140 psi 36 48 60 Driving Belt 3V 405x6EA 3V 405x8EA 3V 405x10EA Method High temp stop F 176 Output kW HP 3 7 5
31. he compressed air when the compressor is stopped to protect the compressor from damaging due to a back lashing The valve also protects the wrap of the compressor from damaging due to foreign substances back flown from the pipe to the compressor The valve is designed to stand against a repetitive pulse motion of scroll at a high temperature Fig 6 6 CHECK VALVE 332 F or above COAIRE 19 CONTROL 7 0 Control 7 1 Controller Coaire air compressor uses a controller based on a microprocessor for an optimal operation of the compressor The controller is a system that precisely determines the time to adjust the capacity to save the energy gives an alarm to prevent the accident before happens and notifies the information necessary for repair and maintenance The system ensures the best automatic operation optimized by the set conditions and the machine conditions 7 1 1 Operating Conditions 1 Power Supply AC24V 15 50 60Hz 40W 2 Transformer Capacity Min 50 VA 3 Operating Temperature 14 F 140 F 4 Operating Moisture 95 104 F 5 Storage Temperature 22 F 176 F 7 2 Major Functions 7 2 1 Display TARET PRESSURE DISCHAGE snn PRESSURE COMP TEMP DIGITAL OUTPUT STATUS CURRENT TIME OPERATE STATUS OO zeessen LOC k WN DELA ALARM MESSAGE DIGITAL INPUT STATUS COMP STATUS No Fig 7 1 Display of the Controller 20 COAIRE CONTROL 7 3 Buttons Fig 7 2 Key
32. ilter NS originated form check valve leakage In severe case airend __ SPRING backlash occurred This case may cause severe damage to SEAT airend because of foreign objects from outside To prevent __ VALVE BODY possible defect check valve every 2 500hours 1 Screw CAP open 2 Check spring tension and SEAT of Check valve 3 Replace valve when it has been damaged N S wa rning Fig 8 9 Check valve Be sure of 0 psi of air pressure It may cause injuries or severe damages COAIRE 32 TROUBLESHOOTING 9 0 Troubleshooting 9 1 Overview The following flow diagrams show the procedures to repair the typical failures If the alarm is on and the compressor is stopped do not restart the operation until the cause is clearly addressed and eliminated Always turn the main power off and remove the pressure from the compressor prior to a repair and maintenance 9 2 Flow diagram for Troubleshooting 9 2 1 No Display No Display Yes Check the breaker switch Poor connection to power supply Check the wiring Yes Check the fuse Check the transformer The controller is defective Failure of controller After eliminating the paa cause 9 2 2 Negative Phase Operation a x gt Abnormal noise Negative phase operation Yes Poor connection Convert the phase for two of three to power supply main power lines Af
33. mergency stop Push the emergency stop switch Detection Pressure gt DIS PRESS LIMIT eset Pressure lt DIS PRESS LIMIT 7 25psi shaj ADT CPN e Ee e EE ec E 2 e Comp 1 Tem Detection Comp 1 Temp gt COMP TEMP LIMIT p P Reset Comp 1 Temp gt COMP TEMP LIMIT 9 F Comp 2 Tem Detection Comp 2 Temp gt COMP TEMP LIMIT P P Reset Comp 2 Temp gt COMP TEMP LIMIT 9 F Comp 3 Tem Detection Comp 3 Temp gt COMP TEMP LIMIT P P Reset Comp 3 Temp gt COMP TEMP LIMIT 9 F Comp 4 Tem Detection Comp 4 Temp gt COMP TEMP LIMIT P P Reset Comp 4 Temp gt COMP TEMP LIMIT 9 F Comp 5 Tem Detection Comp 5 Temp gt COMP TEMP LIMIT P P Reset Comp 5 Temp gt COMP TEMP LIMIT 9 F Comp 6 Tem Detection Comp 6 Temp gt COMP TEMP LIMIT P P Reset Comp 6 Temp gt COMP TEMP LIMIT 9 F Comp 7 Tem Detection Comp 7 Temp gt COMP TEMP LIMIT P P Reset Comp 7 Temp gt COMP TEMP LIMIT 9 F Comp 8 Tem Detection Comp 8 Temp gt COMP TEMP LIMIT P P Reset Comp 8 Temp gt COMP TEMP LIMIT 9 F X An trip message is displayed that must be manually reset to clear once the condition has been resolved or no longer exists 10 1 w Vu m 00 N wo COAIRE 27 CONTROL 7 4 2 ALARM CONDITION Description Detect condition RTC Real Time Clock Detection RTC Disable When Schedule Mode Operation Alarm Reset RTC Enable X
34. or has a complete wiring inside and no separate wiring or maintenance is necessary If any maintenance is needed see the circuit diagram in the user s manual provided with the compressor COAIRE 13 Table 4 4 Electrical Specification INSTALLATION Main Drivi Starti Voltage Output Input Current Current MCCB OCR Power Ground Cable Model Poles AF TRIP SET GV AGW i IV kw kw A A A A A mr 14 13 2 938 15 8 208 230 x x 60 50 D 7 6 CSOF 3 7 4 53 3EA 3EA 3EA S15PL H x 5 4P 3EA 3EA 6 6 44 8 7 9 460 x x 50 30 x 11 4 3EA 3EA 3EA 14 13 2 93 8 15 8 208 230 x x 100 75 x 5 6 CSOF 3 7 4 53 4EA 4EA 4EA S20PL H x x 4P 4EA 4EA 6 6 44 8 7 9 460 x x 50 40 x 9 4 4EA 4EA 4EA 14 13 2 93 8 15 8 208 230 x x 100 100 x 3 6 CSOF 3 7 4 53 SEA SEA SEA S25PL H x x 4P SEA SEA 6 6 44 8 7 9 460 x x 60 50 x 7 4 5EA SEA SEA 14 COAIRE OPERATION 5 0 Operation 5 1 Commissioning Initial Operation 5 1 1 Structure of the CONTROLLER Fig 5 1 Control Button 5 1 2 Checklists before the Commissioning 1 Check if the voltage of the main power is within a normal range specified 2 Cut the main power to connect the power line to the control panel 3 Check the connection of pipes a power supply and a grounding 4 Fully open a stop valve on the discharge pipe of the compressed air 5 1 3 Commissioning 1 Push the START bu
35. pad of Controller Table 7 1 Description of Keypad STRAT STOP Enter started condition Exit started condition RESET VA Reset and clear fault condition MENU mo Enter to Menu table ENTER all Confirm selection of value adjustment eisem L Ki u a CANCEL IC Step back one menu navigation level COAIRE 21 CONTROL 7 3 1 Status Display Ramp STATUS LED Gren Display working status along ON OFF FAULT ALARM LED Red O Display fault or alarm status along ON OFF X NOTE 1 ON illuminated continuously 2 SF slow flash on off once per second 3 FF fast flash on off five times per second 4 IF Intermittent Flash on off every four seconds 5 OFF Extinguished continuously Machine Machine state Status Green Fault Red state Number 00 Initialization OFF Start Inhibit 01 OFF Check 02 Ready to Start OFF IF 03 Start Delay if load request FF Normal OFF 04 Standby IF Start Motor in IF Trip FF 06 star Delta if load request FF Alarm SF IF 07 Load Delay if load request FF Maintenance IF 08 Load ON Start Inhibit IF IF 09 Reload Delay if load request FF 10 Auto stop delay IF Manual stop 11 SF delay 99 Shut down OFF 22 COAIRE CONTROL 7 3 3 Equipment Status Display 1 START STOP REQUEST SOURCE DISPLAY LOC Controller keyboard NET Communication request
36. r 8 Leave intact the factory specification of the overcurrent protection device If the change is unavoidable keep the set values within the range specified in the user s manual The cable shall allow more than the minimum requirement specified 9 As the operating current varies depending on a given condition it is recommended to allow about 20 extra 10 Install a circuit breaker in the main power to protect the motor The circuit breaker shall have a built in electric leak breaker 11 Use the ground terminal on a motor or a control box to earth the equipment Table4 3 Type of Grounding Thickness of Type Ground Resistance Grounding Application Conductor 1st Class Grounding 10Q 2 6 mm or above High Voltage Equipment 150Q 1 Line Ground 2 6 mm or above Neutral Point of Transformer Current or below 2nd Class Grounding Equipment with Low Voltage Li e 2 3rd Class Grounding 1000 1 6 mm or above Less than 400 V Special 3rd Class Grounding Equipment with Low Voltage 2 102 1 6 mm or above More than 400V AN Caution 1 As the grounding on a steel structure of the building may cause the failure of the operation always earth on the ground The maximum allowable length of the grounding conductor is 20 m 2 If there is a risk of inductive interference on an electronic calculator or a telecommunication equipment install a surge killer on the magnetic switch used 3 The compress
37. ssure operating time maintenance items and the time to replace the parts There is a sample operation log attached in the user s manual A Warning the operation of burns if you are not careful 1 It is extremely hazardous to disassemble the valves or pipes from the compressor system during 2 Always check if the pressure is 0 psi in the tank before disconnecting the valves or pipes 3 Since the tank is still hot for a certain time even after the operation is stopped there is a danger 4 The rotating parts in the compressor is extremely dangerous during the operation Do not come near the parts until the compressor is stopped and the main power is turned off COAIRE 17 FUNCTIONAL DESCRIPTION 6 0 Functional Descriptions 6 1 Airend An oil free scroll airend is the most important part in the compressor In any case the oil is not entered into the compression chamber As the inside of the compression chamber is delicate entering the dusts or foreign substances results in a serious damage to the compressor The airend consists of precision parts and needs a special jig for a repair and maintenance It shall only be disassembled by our qualified engineer or a comparable person Housing Fan Cover Fixed Scroll Sirocco Fan Tip Seal Orbiting Scroll Fig 6 1 Airend parts 6 2 Motor Some models of the scroll air compressor are equipped with several motors for an automatic operation based on the
38. t it closely TYPE Upon delivery carefully check the compressor for damage MODEL NO during transportation SERIAL NO If goods are received in damaged condition it is important MAX WORKING PRESSURE W vi A MOTOR that you notify the carrier and insist on a notation of loss or I 8740 Pioneer Blvd Santa Fe Springs CA 90670 PHONE 562 463 3935 damage across the freight bill Fig 4 1 Name plate 4 2 Handling 4 2 1 Handling by a forklift When handling by a forklift make sure that forks completely extend through the width of the unit Fig 4 2 4 2 2 Handling by a shop crane When handling by a shop crane use the openings provided on common base where slings or steel wire ropes can be use for lifting Fig 4 3 Fig 4 2 Fig 4 3 COAIRE 9 INSTALLATION 4 3 Installation 4 3 1 Where to Install Coaire air compressor is designed for the indoor use The ventilation facility and piping affect the performance and the service life of the compressor Please follow the instructions in the user s manual Fig 4 4 Installation of the Air compressor 4 3 2 Ventilation Poor ventilation in the compressor room may raise the temperature of the air discharged If the Room temperature exceeds 18 F more than the outside temperature sufficiently ventilate the air in the room see Table 4 1 and install the exhaust duct if necessary
39. ter eliminating the j cause 33 COAIRE TROUBLESHOOTING 9 2 3 Unable to Start Motor Unable to start motor Yes Take necessary action to correct the error Check the error message on the controller Check the tripping error Check the resistance of incoming Lead in wiring is line disconnected Test wiring and cable capacity and replace the cable if necessary Test wiring Failure of A magnetic switch Check the contact and operation and replace the switch if necessary Test wiring and resistance Manually turn to check the bearing Replace the motor if necessary Manually turn to check the rotation Failure of compressor Request a service if it is defective Check the output signal of the magnetic switch Failure of controller Turn the main power off and then on A Danger After eliminating the cause compressor is not unintentionally operated during the maintenance 2 Make sure to turn the main power off prior to the rotation test voltage 1 An air compressor is automatically operated Take necessary safety precaution to ensure that the 3 Make sure to turn the main power off prior to the wiring test except for the measurement of the COAIRE 34 TROUBLESHOOTING 9 2 4 No Compression Low discharge pressure Excessive amount kA of air used Install an additional compressor if the capacity is insuffici
40. tton on the controller to check the direction of rotation If it is operated in a negative phase immediately push the emergency stop button turn the main power off and then convert R into T before restarting When the compressor starts the pressure is increased in the airend to start the compression 2 With the discharge valve closed on the discharge side of the air tank check if the compressor is automatically stopped when the pressure reaches the set value 3 Check if there is any abnormal vibration noise and leakage 4 Push the STOP button on the controller COAIRE 15 5 2 Routine Operation 5 2 1 Checklists before the Operation Check the following conditions before starting the operation 1 2 3 4 DISCHAGE OPERATION Connect the main power to check the display on the monitor Push the START button on the controller to check if the compressor is well started up and the indicator lamps are normally on Check if there is any abnormal vibration noise and leakage Check if the operation is in good condition at the maximum load PRESSURE DIGITAL OUTPUT STATUS OPERATE STATUS DIGITAL INPUT STATUS Table 5 1 Operation Parameters TARET PRESSURE COMP TEMP CURRENT TIME ALARM MESSAGE COMP STATUS No Section Model CSOF S15PL H CSOF S20PL H CSOF S25PL H Setting Pressure psi 115 Low pressure 140 High pressure Difference n Stop 115
41. ution is used to indicate the presence of a hazard which will or can cause minor personal injury or property damage if the warning is ignored JN warne A DANGER Warning is used to indicate the presence of a hazard which can cause severe personal injury death or substantial property damage if the warning is ignored Danger is used to indicate the presence of a hazard which will cause severe personal injury death or substantial property damage if the warning is ignored Hazardous voltage Can cause severe injury or death Only use factory supplied for incoming power See Operators Instruction manual Moving parts Can cause severe injury Do not operate with covers removed Service only with machine blocked to prevent turn over High pressure air Can cause severe injury or death Relieve pressure before removing filter plugs caps fitting or covers Please install the product in areas free of explosives acetylene propane gas etc or flammable substances In case of operating the product in flammable environment fire or explosion could be caused P P P P P Hot surface Can cause severe injury Do not touch Allow to cool before servicing COAIRE SAFETY AND WARNINGS 2 3 Safety and Warnings 2 3 1 CSOF S15PL H CSOF S20PL H CSOF S25PL H N WARNING DO NOT TOUCH HOT SURFACE WILL CAUSE INJURY N DANGER Keep hands feet and clothing away
42. x 3SET 3 7 5 x 4SET 3 7 5 x 5SET Voltage V 208 230 460 MOTOR Frequency Hz 60 Poles 4 Starting Method DIRECT ON LINE Air Outlet Inch 1 Required minimum Over 31 7 Over 42 3 Over 52 8 receiver tank gal Option Option Option Cooling Type Air Cooled GENERAL q UP Service air temp F Intake air temperature 45 Ambient temp F Max 104 Noise Level dB A 56 5 5845 5945 Length Inch 29 5 29 5 29 5 Width Inch 50 4 50 4 50 4 DIMENSION Height Inch 49 6 64 80 3 Weight Lbs 1003 1169 1334 X Note 1 Noise level is the measurement from acoustic room 2 The size is the size of the external design of the package Protruding areas such as discharge ball valve have been excluded in the measurement COAIRE 3 2 Major Component 3 2 1 CSOF S15PL H CSOF S20PL H DESCRIPTION 1 COMMON BASE 2 COVER amp FRAME 3 AIREND 4 MOTOR 5 MOTOR PULLEY GENERAL Fig 3 2 CSOF S20PL H Outline View 6 AIREND PULLEY 7 SUCTION FILTER 8 AIR DELIVERY SOCKET 9 AIR DELIVERY PIPE 10 AIR COOLER 11 COOLING FAN 16 SAFETY VALVE 12 CONTROLLER 17 DRAIN VALVE 13 CONTROL BOX 18 PRESSURE TRANSMITTER 14 V BELT 15 CHE
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