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9. Service and maintenance 

 

 

39 

9.2.5

 

Troubleshooting and fault rectification for lubricator 

If faults occur when operating the lubricator, please check the possible causes of error using the following table. If an 
error occurs that isn

ʼ

t listed in the table, please contact CompAir customer service. 

 

Fault

 

 

Possible cause

 

 

Remedy

 

Lubrication system not working 

1.  Cable incorrectly connected 

1.  Connect up cable correctly 

 

2.  No voltage 

2.  Check voltage at plug 

 

3.  Cable failure 

3.  Connect up new cable 

1.  Setting of “VOL” switch 

 

 

Lubrication system signalling 
“System running” (green LED) 
although the LC unit is empty. 

2.  Partly filled LC unit replaced with one 

that is almost empty 

 

Fit full LC unit MLS120  

1.  Line and/or connection parts blocked 

 

Lubrication system signalling 
“Fault" (red LED) 

2.  Back pressure too high 

 

Clean line and connection parts, 
then switch lubrication system off 
and on again 

1.  Setting of “VOL” switch 

 

 

Lubrication system signalling 
“End of dispensing” (red and 
green LED) although the LC unit 
is not empty. 

2.  An LC unit that is almost empty has 

been replaced with a partly filled one 

 

Fit full LC unit MLS120  

 
 
 

9.3

 

Maintenance and inspection 
schedule 

 

Danger   

When performing control, adjusting and mainte-
nance work, be careful with hot surfaces of 
machine parts.  

Checks and maintenance work may only be carried 
out when the following points are observed: 

 

Press the STOP button on the control panel and 
wait until the screw compressor unit has come 
to rest and the screw compressor unit is 
depressurized  

 

Switch the master switch to "O" (OFF) and 
secure it against reactivation.  

 

The pressure display does no longer indicate 
pressures < 0.3 bar/4,4 PSI.  

 

Shortly after switching the screw compressor 
off, the system can contain a low residual 
pressure. 

 

Warning:  
Electrical voltage: Only work on the screw 
compressor unit when it is disconnected.  

 

Danger of electric shock from loaded 
condensers! Please always first disconnect the 
system from the power supply and wait another 
10 minutes before touching the electrical 
components. The power condensers require this 
time in order to discharge!  

Intervals are valid for normal industrial environments 
and operating conditions.  

In the case of a very dirty atmosphere, the cleaning 
intervals have to be shortened as required. 

 For order numbers see the spare parts list.  

 

Summary of Contents for D110H RS

Page 1: ...Original Operating and Service Manual Screw Air Compressor D50H RS D110H RS V2 GB Id no ZS1098950 04 June 2014...

Page 2: ......

Page 3: ...ken the user is advised to contact the local CompAir Company or Distributor who is supplied with revised and up dated information In any communication concerning the compressor it is essential to quot...

Page 4: ..._____________________________________________________________________ _____________________________________________________________________________________ ____________________________________________...

Page 5: ...set out in the operating manual and complying with the inspection and maintenance directives 1 3 Maintenance Carefully performed maintenance is imperative this ensures that your screw compressor can m...

Page 6: ...ill not be accepted in the case of Operating errors Incorrect maintenance Wrong auxiliary materials Use of spare parts other than CompAir genuine spare parts Modifications and changes to the installat...

Page 7: ...esign of the air cooled D50H RS A D75H RS A 19 4 2 Schematic diagram 20 4 2 1 Schematic diagram D110H RS 20 4 2 2 Schematic diagram D50H RS D75H RS 21 4 3 Water circuit 22 4 4 Air circulation 22 4 5 C...

Page 8: ...11 General maintenance and cleaning 45 9 12 Clean change filter with cooling air inlet and control cabinet inlet 45 9 13 Cleaning of the bearing flushing system 46 9 14 Inspection of the compressor s...

Page 9: ...tely apparent Everyone working with the machine must have first read and understood the operating manual Don t leave this until you start work it s too late Please keep this operating manual handy at...

Page 10: ...st be fitted with a safety wire for operating pressures above 7 bars it is in fact recommended that this safety device should be used for pressures above 4 bars The steel wire has a diameter of 8 mm a...

Page 11: ...p make sure that nobody can be injured by the machine installation as it starts up Compressed air may contain substances that may damage your health if inhaled The compressed air produced by these com...

Page 12: ...checking the system or working on it For this a label with a corresponding warning notice has to be attached to the remote control equipment Noise even when it is not very loud can make us nervous and...

Page 13: ...e isolated from external lines and hoses The system must be set up on a level surface with full contact between its base frame and the supporting surface 3 7 General workplace dangers Danger Safety me...

Page 14: ...e for damaged parts to be replaced Risk of electric shock Have the electrical equipment on a machine system checked regularly Have defects like loose connections or charred cables rectified immediatel...

Page 15: ...r change it in any way If work which produces heat flames or sparks has to be carried out on a machine the adjacent components have to be protected by means of non inflammable material Motor air filte...

Page 16: ...that parts and special accessories not supplied by us are not approved by us Installing or using such products may thus adversely affect active and or passive safety The manufacturer accepts no liabil...

Page 17: ...sioning or servicing this compressor Never breathe in compressed air from this system Never operate the unit with open doors or loose access panels Warning Hot surface Warning Pressurized part or syst...

Page 18: ...loaded condensers Please always first disconnect the system from the power supply and wait another 10 minutes before touching the electrical components The power condensers require this time in order...

Page 19: ...eck valve 10 Water connection 11 Cooling air ventilator 12 Cooling air inlet filter mat 13 Compressed air outlet 14 Base frame 15 Control keypad 16 EMERGENCY OFF push button 17 Control cabinet 18 Supp...

Page 20: ...onnection 11 Cooling air ventilator 12 Cooling air inlet filter mat 13 Compressed air outlet 14 Base frame 15 Control keypad 16 EMERGENCY OFF push button 17 Control cabinet 18 Supply cable gland 19 Op...

Page 21: ...check valve 10 Water connection 11 Cooling air ventilator 12 Cooling air inlet filter mat 13 Compressed air outlet 14 Base frame 15 Control keypad 16 EMERGENCY OFF push button 17 Control cabinet 18 S...

Page 22: ...RS inverter 16 Blow off line orifice 17 Silencer 18 Manual valve 19 Mud flap 20 Ventilator 21 Nozzle 22 Non return valve 23 Choke valve adjustable 24 Dirt trap 25 Blow off valve Y4 26 Bypass valve Y11...

Page 23: ...er 13 Water cooler 14 Throttle 15 RS inverter 16 Blow off line orifice 17 Silencer 18 Manual valve 19 Mud flap 20 Ventilator 1 all versions 21 Ventilator 2 only air cooled version 22 Non return valve...

Page 24: ...Y11 and via the orifice 21 fig 5 or 5 fig 6 This way constant pressure of approx 4 to 4 5 bar is maintained in the pressure tank 6 as the pressure holding non return valve 7 still remains closed at t...

Page 25: ...25 Y4 is deenergized opened and solenoid valve 26 Y11 continues energized open Reservoir pressure is reduced to approx 4 to 4 5 bar and the pressure maintenance valve 7 closes This way no more compre...

Page 26: ...ictly prohibited to work or stand in the danger zone of a lifted load The proper lifting of the load according to the operating instructions of the load suspension device has to be ensured Important N...

Page 27: ...r than 70 C 158 F have to be suitably identified and secured against touching See also the safety regulations in chapter 3 of the operating instructions Important The operator has to provide adequate...

Page 28: ...imum duct length of 5 m 16 4 ft and a maximum of one bend In the event of differing values over 5 m 16 4 ft more than one bend filter cartridges screens etc please contact your technical adviser CompA...

Page 29: ...Water connection for W type Danger If open cooling towers are used in the cooling water circuit it is possible for legionella Legionella pneumophila and other bacteria to grow and spread The growth an...

Page 30: ...e derived from this Constituent elements of water characteristic values Circulating water Pass through water pH value at 25 C 77 F 6 9 6 9 Carbonate hardness CaCO3 100 mg l 5 6 dH 50 mg l 2 8 dH Total...

Page 31: ...chgear and control gear circuit breakers The electrical connection and protective measures have to be installed in accordance with VDE BS or local regulations As a rule additional instructions of the...

Page 32: ...o not know the cable type used by you its length and the installation conditions temperatures grouping The table above can therefore only be regarded as a guideline The supply cable cross sections giv...

Page 33: ...oning the setting of the control transformer must be inspected while operating under load and corrected where necessary see section 9 9 6 5 Water supply 6 5 1 First time water filling Important When t...

Page 34: ...it By mixing circulation water drinking water and treated water the requisite level of water quality will be achieved over the course of time 6 6 Extraction of water samples Danger Water samples must...

Page 35: ...f the electrical control Open isolator valves between the screw compressor reservoir and pipe Ensure cooling water supply in accordance with Chapter 6 3 only water cooled units Operate main power supp...

Page 36: ...it must be re installed Then proceed as described in chapter 7 1 First commissioning 7 3 Display of the compressor control DELCOS XL Fig 18 1 Touchscreen Display 2 Start push button I 3 Stop push butt...

Page 37: ...f the electric motor The screw compressor unit will not start up if the final compression pressure is more than 1 0 bar 14 5 PSI Temperature start up protection The screw compressor unit will not star...

Page 38: ...to specify a maximum permissible standstill time which will apply in all cases Note The following aspects must be taken into account for storage of storing compressors The compressor should be stored...

Page 39: ...s are powered 24 V DC via the compressor control when the drive motor is running The volume of grease set on the lubricator is dispensed over several cycles depending on the motor runtime measured An...

Page 40: ...e transparent cover The function display is only active if the screw air compressor unit s drive motor is running The lubricators are fitted with one red and one green LED These LEDs signal the follow...

Page 41: ...en replaced with a partly filled one Fit full LC unit MLS120 9 3 Maintenance and inspection schedule Danger When performing control adjusting and mainte nance work be careful with hot surfaces of mach...

Page 42: ...nnecting terminals in the switch cabinet and checking of the control transformer setting Checking tightening screw connections Checking cleaning water level sensor Replace O ring of pressure holding n...

Page 43: ...44 000 h 46 000 h 48 000 h 50 000 h 52 000 h 54 000 h 56 000 h 58 000 h 60 000 h 62 000 h 64 000 h 66 000 h 68 000 h 70 000 h 72 000 h 74 000 h 76 000 h 78 000 h 80 000 h 33 m 36 m 39 m 42 m 45 m 48 m...

Page 44: ...When carrying out maintenance work make sure that no dirt gets to the clean air side of the air filter Changing intervals for air filter cartridge The operating conditions e g coolant temperatures the...

Page 45: ...been removed Perform the prefilter change as follows Switch the screw compressor unit off and ensure that it is depressurized electrically isolate and locked off Close the main water supply connection...

Page 46: ...c shock from loaded condensers Please always first disconnect the system from the power supply and wait another 10 minutes before touching the electrical components The power condensers require this t...

Page 47: ...d intervals never direct compressed air towards persons paying particular attention to Regulating elements Fittings Compressor block Cooler Electric motor Remove and clean the dirt trap strainer W ver...

Page 48: ...the quality of the suctioned air e g dust content has a strong influence on the filter service life The filter should be checked on a weekly basis eventually daily basis for dust build up In these op...

Page 49: ...ess the condition of the compressor The inspection plan describes everything you need to consider Attach the side cover with a new seal Insert the screws to a torque of 25 Nm Check the water level on...

Page 50: ...ows Raise the water level to approx 50mm above the upper mark of the water display indicator 5 Fig 16 of the pressure vessel The resistance value of both the sensor connections 1 and 2 Fig 31 must lie...

Page 51: ...has fallen below the lower switching point Unit stops during the start up phase 1 Short circuit in the unit 1 Determine and eliminate cause replace defective fuses 2 Connecting terminals in the switc...

Page 52: ...e air filter 1 Water stop valve not closing 1 Check replace water stop valve Safety valve opens 1 Safety valve defective 1 Replace 2 Pressure holding valve defective 2 Check Replace 3 Mains pressure s...

Page 53: ...A Qualifying Nominal speed min max rpm 750 3700 Nominal fan motor power kW 1 x 0 37 50Hz IP 54 1 x 0 66 60Hz IP 54 Recommended cable cross section mm 2 3 x 95 PE 50 Recommended fuse size 380V 400V 460...

Page 54: ...nal speed min max rpm 750 3550 Nominal fan motor power kW 0 37 IP 54 Recommended cable cross section 380V 400V 460V mm 2 3x50 PE25 3x50 PE25 3x35 PE16 Recommended fuse size 380V 400V 460V A 160 160 12...

Page 55: ...Motor protection type IP 55 IE2 IEC 60034 2 1 ECA Qualifying Nominal speed min max rpm 750 3550 Nominal fan motor power kW 2 x 2 25 IP 54 Recommended cable cross section 380V 400V 460V mm 2 3x50 PE25...

Page 56: ...speed min max rpm 750 3700 Nominal fan motor power kW 0 37 IP 54 Recommended cable cross section 380V 400V 460V mm 2 3x35 PE16 4G25 4G25 Recommended fuse size 380V 400V 460V A 125 100 100 Cooling Cool...

Page 57: ...nt Motor protection type IP 55 IE2 IEC 60034 2 1 ECA Qualifying Nominal speed min max rpm 750 3700 Nominal fan motor power kW 2 x 2 25 IP 54 Recommended cable cross section 380V 400V 460V mm 2 3x35 PE...

Page 58: ...11 Annex 56 11 2 Layout plan 11 2 1 Layout plan D110H RS Fig 32 all dimensions in mm...

Page 59: ...11 Annex 57 Fig 33 all dimensions in mm...

Page 60: ...11 Annex 58 11 2 2 Layout plan D50H RS D75H RS Fig 34 all dimensions in mm cooling air cooling air...

Page 61: ...11 Annex 59 Fig 35 all dimensions in mm...

Page 62: ...t provisions 2009 105 EG 2006 42 EG 2006 95 EG This machine is exempt from the Pressure Equipment Directive Please refer to Article 1 clauses 3 3 and 3 6 for information on this exemption 3 If the mac...

Page 63: ......

Page 64: ...Gardner Denver Deutschland GmbH Argenthaler Str 11 55469 Simmern Deutschland Tel 49 0 6761 832 0 www compair com e mail sales compair com...

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