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DK50 9x4VRT/M 

NP-DK50-9x4VRTM_ED-EN-2_10-2018 

                                   - 26 - 

10/2018

 

the  dryer  itself  cools  down  and  the 
internal pressure is balanced. 

The dryer begins cooling the heat exchanger.  
 
Wait 5 minutes, the period counts down on the 
display  (16).  Once  the  period  is  over,  the 
display indicates that the compressor start-up 
process may begin. 
 

  Press  the  "START”  button  (18)  on  the 

switchboard.  
The display shows: 
 
 
 
 
 
 
 
 
 

HOURS RUN: operating hours 
PRESSURE: current pressure 
TEMP_IN:  internal  temperature  (only  for 
enclosed compressors) 
Note:    TEMP_IN  reads  “N/A”  for  compressor 
models with no cover 
TEMP_OUT: ambient temperature around the 
compressor 
 
The  first  air  pump  automatically  turns  on  and 
the other air pumps then sequentially turn on. 
The pressure sensor monitors the pressure in 
the air tank. 
The  air  pumps  operate  in  automatic  mode, 
and  are  switched  on  and  off  (see  the  section 
on  working  pressures  in  the  Technical  Data 
chapter)  by  the  controller  depending  on  the 
compressed  air  usage.  The  compressors 
sequentially  turn  off  once  the  switching 
pressure is reached.  
The motors may be shut down by pressing the 
STOP  button  (18),  after  which  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 this 
action  and  there  is  no  need  to  press  the 
START  button  to  start  up  the  compressor  in 
the event of a power loss or if the compressor 
has been turned off. 
 
 

 
 
 

NORMAL OPERATION 

Air pumps operate in automatic mode and are 
switched on and off based on the demand for 
compressed air. When the pressure in the air 
tank  drops  to  the  switching  pressure,  the 
compressors  automatically  switch  on  in  a 
sequence.  This  ensures  that  the  required 
pressure  is  delivered  to  the  air  tank  in  the 
shortest possible time.  
 
Two screens are shown on the display during 
the normal operation of the equipment:  
 

  Motors are on 

 
 
 
 
 
 
 
 
 
PRESSURE: current working pressure 
TEMP_OUT    -  ambient  temperature  around 
the compressor  
TEMP_IN 

temperature 

inside 

the 

compressor cover  
                     -  Text  “N/A”  -  displayed  for 
models with no cover  
COMPRESSOR ON – all air pumps on / off 
HOURS RUN - operating hours  
TIME-TO-GO  MN  - time  to  the  next 
maintenance/service work (in hours). 
 

  Motors are switched off 

 
 
 
 
 
 
 
 
 
 

PRESSURE: current working pressure 
STANDBY  MODE  –  all  air  pumps  are 
switched off 
HOURS RUN - operating hours  
TIME-TO-GO  MN  - time  to  the  next 
maintenance/service work (in hours). 

Содержание DK50 9x4VRT/M

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

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

Страница 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...

Страница 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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