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DK50 9x4VRT/M 

NP-DK50-9x4VRTM_ED-EN-2_10-2018 

                                   - 30 - 

10/2018

 

The  compressor 

supplies

  air  to  the 

compressed  air  system  as  needed  and 
without restriction.   
 

Medium priority alarm conditions

  

 

  Air pump malfunction 

  

 
 
 
 
 
 
 
 
 
The  message  on  the  display  (FAULT)  and 
indicator P2-ALARM (17) flashes.  
Indicates  that  the  air  pump  is  not  running  (a 
motor circuit breaker (Q1 - Q9) is tripped due 
to current overload). The display flashes red. 
The other air pumps are working normally.  
 
The  screen  disappears  once  the  malfunction 
is  remedied  and  the  motor  circuit  breaker  is 
manually  placed  back  in  the  “ON”  position. 
The display for normal operation is shown.  
 
The  compressor  only 

supplies

  compressed 

air to the central line through the functional air 
pumps.  
All  alarms  are  automatically  recorded  on  an 
SD card. 
 

Alarm  signals  have  priority  over 
maintenance interval signals.  
As  such,  the  light  will  indicate  an 
alarm from any of the air pumps. 
 

All  error  signals  are  connected  to 
controller  output  K3:Q3.2  and  to 
terminals  X1:44  and X1:45  (in  the 
control  panel)  as 

NON  VOLT 

ALARM SIGNAL

 
 
DATA ACQUISITION 

Data is recorded on a micro SD card in a slot 
in the base module. (See the illustration). The 
figure shows the location of the micro SD card 
onto  which  alarms  and  operating  events  are 
logged.  Information  is  saved  in  .CSV  format 
files.  The  system  records  data  sequentially 
into  50  files,  with  each  file  containing  up  to 
20.000 lines. 
Copying  data  from  the  SD  card  is  conducted 
by  manually  removing  the  card  and  manually 
reading  it  using  Excel  on  a  PC  or  remotely 
over an Ethernet network. 
 
 
 
 
 
 
 
 
 
 

 

17. COMPRESSOR SHUT-DOWN 

Use  the  main  switch,  Q10,  to  switch  off  the 
compressor for maintenance or other reasons; 
the  switch  also  functions  as  a  central  stop 
button.  The  compressor  is  disconnected  from 
the  mains  with  the  exception  of  the  mains 
terminal block X0. 
 

Vent  the  air  tank  by  disconnecting  from  the 
central compressed air circuit and opening the 
outlet valve (Fig. 1) or the drain valve. 
 

Attention: 

Power  terminals  X0  remain  energised  even 
when  main  switch  Q10  is  in  the  “O”  (off) 
position

 

 

MAINTENANCE 

18. PRODUCT MAINTENANCE 

Warning! 

The  operator  shall  ensure  completion  of 
repeated  testing  of  the  equipment  at  least 
once  every  24  months  (EN  62353)  or  at 

intervals  defined  by  applicable  national 
legal  regulations.  A  record  of  these  test 
results  shall  be  completed  (e.g.  per  EN 

Summary of Contents for DK50 9x4VRT/M

Page 1: ...DK50 9x4VRT M User manual EN...

Page 2: ...October 2018 Z_2195 2018 Chap 3 pgs 5...

Page 3: ...RT M EKOM spol s r o Priemyseln 5031 18 SK 921 01 Pie any Slovak Republic tel 421 33 7967255 fax 421 33 7967223 www ekom sk email ekom ekom sk DATE OF LAST REVISION 10 2018 NP DK50 9x4VRTM_ED EN 2_10...

Page 4: ...EQUIPMENT FUNCTION 14 10 PNEUMATIC DIAGRAM 16 INSTALLATION 17 11 CONDITIONS FOR USE 17 12 PLACEMENT OF THE COMPRESSOR 18 13 PNEUMATIC CONNECTIONS 20 14 ELECTRICAL CONNECTIONS 21 OPERATION 25 15 INITIA...

Page 5: ...ther filtration Any use of the product outside the framework of its intended use is considered improper use The manufacturer is not liable for any damages or injury resulting from misuse 3 CONTRAINDIC...

Page 6: ...der authorized by the manufacturer the product is used pursuant to the user manual The user manual corresponds to the configuration of the product and its compliance with applicable safety and technic...

Page 7: ...ion occurs During repairs and maintenance ensure that product is disconnected from the mains pressure is released from all lines Only the manufacturer or a qualified specialist trained by the manufact...

Page 8: ...rking pressure bar 6 8 6 8 Safety valve bar 10 10 Noise level dB 85 74 Total weight of compressor net kg 747 817 Weight compressor module kg 540 610 Weight dryer module kg 80 80 Weight of air tank kg...

Page 9: ...pressor module kg 540 610 Weight dryer module kg 85 74 Weight of air tank kg 127 127 Compressor dimensions total w x d x h mm 3800x705 x2100 3800x705 x2100 Dimensions compressor module w x d x h mm 18...

Page 10: ...Correction factor for working pressure p bar 4 5 6 7 8 9 10 FC1 0 78 0 85 0 93 1 0 1 06 1 11 1 15 Correction factor for temperature of compressed air entering the dryer tinlet C 30 35 40 45 50 55 FC2...

Page 11: ...2 1 3 C C C n skut C F F F Q Q F Qskut actual airflow Qn nominal dryer flow 1800lit min FC1 working pressure correction factor FC2 correction factor for air entering the dryer FC3 dew point correction...

Page 12: ...ls a condensing dryer module with connection hoses air tank module DK50 9x4VRTS M compressor comprised of the following modules Fig 1b a compressor module with 9 compressor air pumps and controls alon...

Page 13: ...h a set of filters if needed A pressure regulator may be added to the set of filters The set of filters is fully compatible with all compressors listed above If a higher level of air filtration is req...

Page 14: ...ator and into the condensing dryer 9 This continues to lower the temperature of the air and produces more condensate The temperature then rises to reduce the relative humidity The clean dry air then p...

Page 15: ...0 9x4VRT M 10 2018 NP DK50 9x4VRTM_ED EN 2_10 2018 15 Fig 3 Electrical box switchboard 3 Electrical box switchboard 16 Display 17 Alarm indicator 18 Start stop button 19 Main switch 20 Temperature sen...

Page 16: ...VRTS M 1 Inlet filter 2 Compressor air pump 3 Compressor fan 4 Solenoid valve 5 Safety valve 6 Check valve 7 Pressure relief valve 8 Condensate separator 9 Dryer 10 Pressure sensor 11 Pressure gauge 1...

Page 17: ...e safety of the operator and maintenance personnel Operating the equipment in areas in which flammable mixtures may be present such as in operating rooms coal storage areas etc is prohibited Flammable...

Page 18: ...bly compressor dryer and air tank modules to remove all packaging and release the transport anchors from the pallet Anchors securing all modules to the pallet 12 1 Handling Use a fork lift truck or si...

Page 19: ...n Fig 7 Remove the transport stabilizers from the air pumps Fig 8 Remove all stabilizers on the air pumps once the compressor assembly has been positioned and levelled at the site of final installatio...

Page 20: ...2_10 2018 20 10 2018 Position the air tank at the site of installation and anchor it to the floor Fig 9 13 PNEUMATIC CONNECTIONS Compressor module dryer module connect the air tank with the provided h...

Page 21: ...valid technical standards The product is delivered without a power cord Connect the compressor module to the dryer module using the W22 cable Fig 14 Connect the compressor module to sensor B1 located...

Page 22: ...DK50 9x4VRT M NP DK50 9x4VRTM_ED EN 2_10 2018 22 10 2018 Fig 13 Fig 14 Fig 15 Cable bridge...

Page 23: ...addresses specific or requested from the manufacturer before the compressor is shipped or configure the IP addresses specific or requested based on the manual see the service manual or via the compres...

Page 24: ...ariables The second option for monitoring compressor parameters using selected memory variables is the LOGO Variable function Clicking on the LOGO Variable button shows the screen on the display that...

Page 25: ...witches on when pressure in the air tank drops to the pressure switch s lower limit level The compressor automatically switches off after reaching the pressure switch s upper limit level 15 INITIAL ST...

Page 26: ...hich the display returns to the start screen Note The START button is preset to RETENTIVITY ON which means that if the compressor has been activated once using the START button the system remembers th...

Page 27: ...nformation are shown on the display Temperatures above the critical values are shown as alarms The control panel on the controller has four cursor buttons ESC and OK buttons and four function buttons...

Page 28: ...y than maintenance service interval signals The maintenance service interval is measured from the first time the equipment is energised All alarms are accompanied by a blinking red P2 Alarm indicator...

Page 29: ...rmally Note The internal temperature monitoring function is not included for unenclosed compressors The display shows the current temperature inside the enclosed compressor module The alarm clears whe...

Page 30: ...N Data is recorded on a micro SD card in a slot in the base module See the illustration The figure shows the location of the micro SD card onto which alarms and operating events are logged Information...

Page 31: ...no risk of any other material damages Air pump components head cylinder and pressure hose are very hot when the compressor is running and just after it shuts down do not touch these components Repair...

Page 32: ...x x See the dryer manual on the CD user Check compressor fan operation x Visual check of rotation during air pump operation user Replace float in separator x x x 18 7 025200146 000 qualified professio...

Page 33: ...x x x 18 qualified professional Check temperature sensor switching function x x x x x x 18 12 qualified professional Replacement of piston group with bearing 6 8bar x x 604031764 000 qualified profes...

Page 34: ...r air pump for normal operation and noise levels Check the operation of fans Check the condition of filters Check the condition of the air pump itself contamination in the crankcase and play in the cr...

Page 35: ...er of turns until the valve itself vents Let the safety valve vent for only a few seconds Rotate the screw back to the right clockwise to the stop and the valve must be closed 18 7 Float replacement B...

Page 36: ...ers 3 Clean or wash the filter if heavily contaminated in a solution of soapy water and allow to dry completely Reinstall the filters once dry reverse the procedure to reassemble In Point A remove the...

Page 37: ...ank from 0 to 7 bar The measured value must be less than the data provided in the Technical data table 18 10 Check operation of check valves Compressed air circuit Check for proper operation of the ch...

Page 38: ...ator does not turn 18 12 Checking the operation of temperature sensor switching Fig 24 This check is conducted using the LOGO TDE display where the instantaneous temperature values are shown on the st...

Page 39: ...exceeds its pre set value The pressure relief valve closes as the pressure drops Pressure in the compressed air circuit can only increase because of an increase in flow resistance in the compressed a...

Page 40: ...tighten Check the main power connection replace if damaged Problem with electrical power source Main breaker is off Controller or expansion module malfunction Replace the malfunctioning controller or...

Page 41: ...or operation at a pressure of around 0 7 bar for a period of at least 1 hour then check the dryness of the compressed air 20 REPAIR SERVICE Guaranteed and post guarantee repairs must be done by the ma...

Page 42: ...DK50 9x4VRT M NP DK50 9x4VRTM_ED EN 2_10 2018 42 10 2018 ANNEX 22 MAPPING PARAMETERS...

Page 43: ...DK50 9x4VRT M 10 2018 NP DK50 9x4VRTM_ED EN 2_10 2018 43...

Page 44: ...lay panel alarms operation in alarm conditions Y N N C Installation connection to equipment Y C Product maintenance maintenance intervals maintenance procedure service intervals operating activities Y...

Page 45: ...TM_ED EN 2_10 2018 45 06 2018 DK50 9x4VRT M EKOM spol s r o Priemyseln 5031 18 921 01 PIE ANY Slovak Republic tel 421 33 7967255 fax 421 33 7967223 e mail ekom ekom sk www ekom sk NP DK50 9x4VRTM_ED E...

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