Related Manuals for KAESER Aircenter SX 3
Summary of Contents for KAESER Aircenter SX 3
- Page 1 Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE manroland document no.: 80.95A0S–C338...
- Page 2 Original instructions /KKW/SSX 1.01 en 01 IBA-SCHRAUBEN-AC-MAN-SCB...
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Page 3: Table Of Contents
Remove any compressor cooling oil from your person........3.8.3 Injury from Handling Refrigerant ................. Warranty ........................... 3.10 Environmental Protection ....................Design and Function Housing ..........................Function ........................... Refrigeration Dryer ......................Air receiver ........................Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... - Page 4 8.1.1 Switching on ....................... 8.1.2 Switching off ....................... Switching Off in an Emergency and Switching On again ..........Acknowledging alarm and warning messages ..............Setting parameters ......................Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE...
- Page 5 12.2 Packing ..........................12.3 Storage ..........................12.4 Transporting ........................12.4.1 Safety ........................12.4.2 Transporting with a forklift ................... 12.4.3 Transporting with a crane ................... 12.5 Disposal ........................... Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC...
- Page 6 13.2 Pipe and Instrument Flow Diagram (P+I diagram): MODULATING control mode ... 13.3 Dimensional drawing ......................13.4 Electrical Diagram ......................13.5 Service Manual for Compressed Air Filter ............... 115 Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE...
- Page 7 Fig. 40 Condensate drain tap ......................... Fig. 41 Testing the safety relief valve ..................... Fig. 42 Transporting with a forklift ......................Fig. 43 Transporting with a crane ......................Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC...
- Page 8 List of Illustrations Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE...
- Page 9 Oil change intervals lubricants ....................Tab. 37 Regular service work ........................Tab. 38 Permissible cooling oil level under LOAD ................. Tab. 39 Logged maintenance tasks ......................Tab. 40 Consumable parts ........................Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC...
- Page 10 List of Tables Service manual Screw compressor viii Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE...
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Page 11: Regarding This Document Using The Document
➤ Make sure you give the data from the nameplate when ordering documents. Copyright This service manual is copyright protected. Queries regarding use or duplication of the documentation should be referred to KAESER. Correct use of information will be fully supported. Symbols and Identification 1.4.1 Warnings Warning notices indicate three levels of danger signified by the signal word. -
Page 12: Other Instructions And Symbols
➤ ... and a remedy given. This symbol refers to important information or measures concerning environmental protection. Further information Here, your attention is drawn to further topics. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 13: Technical Data Nameplate
➤ Enter options here as a reference. Option Option code Exists? Modulating control LOAD-IDLE control by remote contact Direct online starting Microfilter Activated carbon filter Adjustable machine feet Air-cooling Transformer power supply Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 14: Weight
Maximum relative humidi‐ see figure 1 see figure 1 ty of intake air * Higher elevation permissible only after consultation with the manufacturer. Tab. 6 Ambient conditions Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 15: Ventilation
Safety relief valve activat‐ ing pressure [psig] Tab. 8 Safety relief valve activating pressure Air receiver Volume SX 3 SX 7.5 Volume [gal] Tab. 9 Air receiver: Volume Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 16: Free Air Delivery
■ Free-field measurement to CAGI/PNEUROP PN8 NTC 2.3 ■ Measurement distance: 3.3 ft. SX 3 SX 7.5 Sound pressure lev‐ el [dB(A)] Tab. 12 Sound pressure level Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 17: Motors And Power
Although the KAESER synthetic is not highly flammable, it will burn. While KAESER synthetic com‐ pressor cooling oil is less flammable than equal viscosity mineral oils, it cannot be classified as a fire- resistant fluid. -
Page 18: Cooling Oil Volume
Figure 2 and Figure 3. In a symmetrical three phase supply the phase angles and voltages are all the same. Other power supplies are not suitable. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 19: Power Supply Specifications
Three-phase star (wye); 4 wire; grounded neutral Fig. 3 Three-phase star (wye); 3 wire; grounded neutral Further information Please contact authorized KAESER Service representative for options. The electrical diagram 13.4 contains further specifications for electrical connection. 2.15 Power supply specifications The following multi-strand copper core wires are given according to 2008 NEC 310.15, Table 310.16... -
Page 20: Refrigeration Dryer
Safety pressure switch: shutdown pressure [psig] * Read off the charge quantity from the dryer nameplate and enter it in the table. Tab. 19 Refrigeration dryer: refrigerant circuit Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 21: Safety And Responsibility Basic Information
This is, for example, nationally applied European directives and/or valid national legislation, safety and accident prevention regulations. ➤ Observe relevant statutory and accepted regulations during installation, operation and mainte‐ nance of the machine. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 22: Qualified Personnel
Basic safety instructions are found in this service manual at the beginning of each chapter in the section entitled 'Safety'. Warning instructions are found before a potentially dangerous task. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 23: Safely Dealing With Sources Of Danger
Touching the fan wheel, the coupling or the belt drive while the machine is switched on can result in serious injury. ➤ Do not open the enclosure while the machine is switched on. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... - Page 24 ➤ Do not eat or drink while handling cooling and lubricating fluids. ➤ Keep suitable fire extinguishing agents ready for use. ➤ Use only KAESER approved operating materials. Unsuitable spare parts ➤ Use only spare parts approved by the manufacturer for use in this machine.
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Page 25: Safe Machine Operation
➤ Give instructions on fire reporting and fire-fighting measures. 3.5.4 Danger Areas The table gives information on the areas dangerous to personnel. Only authorized personnel may enter these areas. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 26: Safety Devices
The diagram shows the positions of safety signs on the machine. The table lists the various safety signs used and their meanings. Fig. 4 Location of safety signs Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... - Page 27 Serious injury or death can result from loosening or opening component that is under pressure and heavily spring loaded! ➤ Do not open or dismantle the valve. ➤ Call for authorized KAESER Service representative if a fault occurs. Serious injury or death can result from loosening or opening component under pres‐ sure! ➤...
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Page 28: In Emergency
Injury from Handling Refrigerant Eye contact: ➤ Rinse thoroughly with lukewarm water and seek medical assistance. Skin contact: ➤ Wash off immediately. ➤ Treat burns and frostbite appropriately. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 29: Warranty
■ incorrect repair. Correct maintenance and repair includes the use of original spare parts and operating materials. ➤ Obtain confirmation from KAESER that your specific operating conditions are suitable. 3.10 Environmental Protection ➤ Store and dispose of operating materials and replaced parts in accordance with local environ‐... -
Page 30: Design And Function
Safe and reliable operation is only assured with the enclosure closed. Access doors are hinged to swing open and removable panels can be lifted off. Latches are released by a key supplied with the machine. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 31: Function
The cooler brings down the compressed air temperature to only 9 to 18 F above ambient. Most of the moisture carried in the air is removed during this cooling process. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 32: Refrigeration Dryer
If the floating relay contacts are connected to an external voltage source, voltage may be present even when the machine is isolated from the power supply. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 33: Options
The machine can no longer be operated once the module has been removed. ■ The program module can only control the machine in which it is first installed. ➤ Contact KAESER with any queries concerning the use of the program module. Connections Delivery condition ■... -
Page 34: Microfilter
The activated carbon filter removes oil and hydrocarbon vapours that can be adsorbed by activated carbon, including solid particles, from the compressed air. It is alwasy used together with a microfilter. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 35: Operating Modes And Control Modes
When maximum pressure is idle period has elapsed, the machine reached, the machine switches to IDLE. When the preset switches to STANDSTILL. idling time is fixed in SIGMA CONTROL BASIC. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 36: Refrigeration Dryer Control Modes
Which control mode is the most practical, and when? Control mode Advantage Disadvantage CONTINUOUS Constant dew point. Higher power consumption when the compres‐ sor is shut down Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 37: Safety Devices
«DOWN» Scrolls down the parameter list. Reduces a parameter value. «UP» Scrolls up the parameter list. Increases a parameter value. «escape» Exits the edit mode without saving. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 38: Sigma Control Basic Function
Current system pressure in bar, psi or MPa. Current airend discharge temperature (ADT) in °C or °F. Display of parameters and their settings (see table 27) Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 39: Parameters
Parameters Meaning Operating hours counter Displays the period during which the drive motor was switched on. KAESER Service reserve the right to change these parameters. Load hours counter Shows the number of hours the drive motor has run under LOAD. -
Page 40: Messages
Maximum working pressure The machine can deliver air up to this working pressure (see nameplate). KAESER Service reserve the right to change these parameters. Options The displayed value informs KAESER Service concerning the controller's internal ma‐ chine configuration. Tab. 27 Parameters Further information Means of changing or adjusting parameters are given in chapter 8.4. -
Page 41: Installation And Operating Conditions
The distances quoted are recommended distances and ensure unhindered access to all ma‐ chine parts. ➤ Please consult KAESER if they cannot be kept to. Precondition The floor must be level, firm and capable of bearing the weight of the machine. -
Page 42: Ensure Adequate Ventilation
The machine can only overcome the air resistance at the cooling air inlet and exhaust determined by the duct design. Any additional air resistance will reduce airflow and deteriorate machine cooling. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 43: Using The Compressor To Supply A Compressed Air System
Installation and Operating Conditions Using the Compressor to Supply A Compressed Air System. ➤ Consult the KAESER service representative before deciding on: ■ the design of the exhaust air ducting ■ the intersection between the machine and the exhaust air duct ■... -
Page 44: Installation Safety
2. Inform the carrier and the manufacturer in writing of any damage without delay. Making the Compressed Air Connection On the AIRCENTER the user's shut-off valve is already fitted to the machine. Precondition The compressed air system is vented completely. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 45: Making The Power Supply Connection
➤ Switch off and lock out the supply disconnecting device and check that no voltage is present. 7. Connect the power supply. Further information The electrical diagram 13.4 contains further specifications for electrical connection. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 46: Refrigeration Dryer: Connecting The Transformer According To The Power Supply
➤ Collect condensate in a suitable container and dispose of in accordance with environmental regulations. Further information The dimensional drawing in chapter 13.3 gives the size and position of the condensate drainage connection ports. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 47: Options
4. Secure the cable so there is no tension on the X2 plug. 5. Seal the cable lead through against ingress of dirt or moisture. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 48: Initial Start-Up Safety
Specification of dangers and their avoidance is found in chapter 3.5. To be noted before commissioning Incorrect or improper commissioning can cause injury to persons or damage to the machine. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 49: Checking Positioning And Operating Conditions
➤ Change the oil filter. ➤ Change the oil separator cartridge. ➤ Change the cooling oil. ➤ Have the motor bearings checked by an authorized KAESER Service repre‐ sentative. 36 months ➤ Have the overall technical condition checked by an authorized KAESER Ser‐... -
Page 50: Setting The Overload Protection Cut-Out
Higher altitude.Frozen condensate can damage the dryer. ➤ An adjustment must be made to the hot gas bypass valve if the dryer is used at altitudes above 3000ft. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 51: Fig. 18 Hot Gas Bypass Valve Adjustment For Altitude
1. Set the hot gas bypass valve according to the following illustrations and table. Fig. 19 Adjustment angle ➤ Take the adjustment angle from the table. Altitude [ft] Adjustment angle [°] Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 52: Pouring Cooling Oil Into The Airend
Fig. 20 Inlet valve filling port Screw plug Airend 1. Remove the filler plug from the airend. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 53: Checking Direction Of Rotation
➤ A small quantity of cooling oil should be drained out to check for condensate at least once a week during the first 4 weeks of operation. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 54: Checking The Door Interlock Switch
The machine switches off automatically. The controller displays an alarm message. 2. Close the panel and acknowledge the alarm. The machine does not switch off automatically?. ➤ Have the interlock switch checked by an authorized KAESER Service representative agent. 7.10 Setting the setpoint pressure The setpoint pressure (cut-out pressure) is factory set at the maximum permissible working pressure of the machine. - Page 55 2. Press and hold «enter» for at least 3 seconds until the cursor flashes. 3. Use the arrow keys to set the desired differential and confirm with «enter». Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC...
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Page 56: Operation
The compressor motor starts as soon as system pressure is lower than the setpoint pressure (cut- out pressure). 8.1.2 Switching off Depending on current operating condition, the machine shuts down after a protective run-on period. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 57: Switching Off In An Emergency And Switching On Again
1. Turn the EMERGENCY STOP pushbutton in the direction of the arrow to unlatch it. 2. Press the reset key to reset any alarm messages. The machine can now be started again. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 58: Acknowledging Alarm And Warning Messages
Warning LED extinguishes as soon as the cause of the warning is rectified. Setting parameters If a password is needed it is requested automatically. Every action can be cancelled with the «escape» key. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... - Page 59 2. Repeat until all characters have been entered. When the correct password is entered the parameters are displayed. 3. Use the «UP»/«DOWN» keys to change the value of the parameter and confirm with «enter». Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC...
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Page 60: Fault Recognition And Rectification
1. Do not attempt fault removal measures other than those given in this manual. 2. In all other cases: have the fault rectified by an authorized KAESER Service representative agent. Alarm messages (machine stop) The fault code appears in the 4th line of the display field. -
Page 61: Warning Messages
Machine below minimum permissible ➤ Increase room temperature. starting temperature. Pressure relief valve check mode ➤ Check pressure relief valve. switched on. ➤ Deactivate check mode. Tab. 33 Warning messages Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 62: Other Faults
Drain off oil until the correct level too high. is reached. Oil return line clogged. Check dirt trap in the return line. Tab. 34 Other faults and actions Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 63: 10.1 Maintenance
➤ Maintenance tasks should be carried out more frequently where operating conditions are unfavorable (e.g. dusty atmosphere) or when the equipment is heavily utilized. ➤ Adjust the maintenance intervals with regard to operating conditions. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 64: Resetting Maintenance Interval Counters
Change the air filter element. 10.6 Cooler: Change the filter mat. 10.5 Control cabinet: Change the filter mat. 10.4 h = operating hours *When using SIGMA FLUID S-460 Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 65: Cooling Oil Changing Interval
Machine utilization and ambient conditions are important criteria for the number and length of the change intervals. Authorized KAESER Service representative will support you in determining appropriate inter‐ vals and provide information on the possibilities of oil analysis. ➤ Please observe national regulations regarding the use of cooling oil in oil-injected screw com‐... -
Page 66: Regular Service Work
Cooler: Cleaning or Renewing the Filter Mats 10.2.5 Regular service work The table below lists necessary service tasks. ➤ Only authorized KAESER Service representatives should carry out service work. ➤ Carry out service tasks punctually and with consideration of ambient and operating conditions. Interval Service task Up to 12,000 h Check valves. -
Page 67: Cleaning Or Replacing The Control Cabinet Filter Mats
The power supply disconnecting device is switched off The disconnecting device is locked in the off position A check has been made no voltage is present The machine has cooled down. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 68: Air Filter Maintenance
2. Dry brush the oil and air coolers and use a vacuum cleaner to remove the dirt. 3. Carefully insert the filter mat in the retaining frame. The air and oil coolers can no longer be properly cleaned? ➤ Heavy and stubborn contamination should be removed by authorized KAESER Service representative. Check the cooler for leaks. -
Page 69: Drive Motor Maintenance
4. Clip the air filter housing onto the inlet valve. 10.7 Drive Motor Maintenance The drive motor bearings are permanently greased. Subsequent greasing is not necessary. ➤ Have the motor bearings checked by an authorized KAESER Service representative during serv‐ icing. 10.8 Maintaining the drive belts... -
Page 70: Pressure Relief Valve Checking
217 psig. Pressure relief valves in machines with permissible working pressures higher than 217 psig must be removed from the machine and tested on a special rig. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... - Page 71 2. Use the arrow keys to set the parameter to "off" and confirm with the enter key. 3. Open the user's shut-off valve between the machine and the air distribution network. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC...
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Page 72: Checking The Overheating Safety Shutdown Function
Checking the Overheating Safety Shutdown Function The machine should shut down if the airend discharge temperature reaches a maximum of 230 °F. ➤ Have the safety shutdown function checked by an authorized KAESER Service representative. 10.11 Checking the cooling oil level The oil level can be checked safely through the viewing window. -
Page 73: Fig. 31 Venting The Machine
➤ Do not direct the maintenance hose at a person while venting. ➤ Do not inhale the oil mist. ➤ Check that the oil separator tank pressure gauge reads 0 psig. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 74: Topping Up The Cooling Oil
Precondition The power supply disconnecting device is switched off The disconnecting device is locked in the off position A check has been made no voltage is present Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 75: Venting The Machine (Depressurizing)
➤ Close the user's shut-off valve between the machine and the compressed air system. If no shut-off valve is provided, the complete compressed air system must be vented. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 76: Top Up With Cooling Oil And Test Run
2. Open the user's shut-off valve between the machine and the compressed air system. 3. After about 10 minutes, check the oil level again and top up if necessary. 4. Switch off the machine and visually check for leaks. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 77: Changing The Cooling Oil
Maintenance hose Oil filler port with plug Hose coupling (oil drain) Cooling oil level indicator Shut-off valve (venting line) Male hose fitting Shut-off valve (oil drain) Shut-off valve Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... - Page 78 Draining the oil from the separator tank Contact KAESER Service if condensate is detected in the cooling oil. It is necessary to adapt the airend discharge temperature to individual ambient conditions. 1. Have an oil receptacle ready.
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Page 79: Changing The Oil Filter
All the cooling oil has run out of the filter 1–2 minutes after shutting down. A cooling oil receptacle is not needed. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 80: Fig. 35 Changing The Oil Filter
3. Switch on the power supply and reset the maintenance interval counter. 4. After about 10 minutes, check the oil level again and top up if necessary. 5. Switch off the machine and check visually for leaks. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 81: Changing The Oil Separator Cartridge
1. Unscrew the oil separator cartridge counter-clockwise and wipe off any drops of oil. 2. Lightly oil the new filter's gasket. 3. Turn the oil filter clockwise by hand to tighten. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 82: Refrigeration Dryer Maintenance
2. Use compressed air (<5 bar) to blow the condenser through from inside to outside and then vacuum up the dirt. 3. Replace the panel again. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 83: Checking Condensate Drainage
The supply disconnecting device is switched off, the device is locked off, a check has been made that no voltage is present. Machine fully vented (no pressure). Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 84: Fig. 39 Condensate Drain Maintenance
4. Unscrew the service module carefully from the inlet pipe. Fitting the service module Use only KAESER Service modules to ensure correct function of the condensate drain. Precondition Make sure the top of the service module and the contact spring are clean and dry. -
Page 85: Service Air Receiver
6. Open the user's shut-off valve between the machine and the compressed air system. The safety relief valve does not open? ➤ De-commissioning the machine until the defective safety relief valve is replaced. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 86: Document Maintenance And Service Work
Document maintenance and service work. Machine number: ➤ Enter maintenance and service work carried out in the list. Date Maintenance task carried out Operating hours Signature Tab. 39 Logged maintenance tasks Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 87: 11 Spares, Operating Materials, Service
➤ Please give the information from the nameplate with every inquiry and order for spares. 11.2 Ordering consumable parts and operating fluids/materials KAESER consumable parts and operating materials are original Kaeser products. They are selected for use in KAESER machines. WARNING There is risk of personal injury or damage to the machine resulting from the use of unsuitable con‐... -
Page 88: Kaeser Air Service
11.4 Service Addresses Addresses of KAESER representatives are given at the end of this manual. 11.5 Spare Parts for Service and Repair With the help of this parts list you can plan your material requirement according to operating conditions and order the spare parts you need. - Page 89 Spares, Operating Materials, Service 11.5 Spare Parts for Service and Repair Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC...
- Page 90 Spares, Operating Materials, Service 11.5 Spare Parts for Service and Repair Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE...
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Page 91: 12 Decommissioning, Storage And Transport
2. Disconnect all air and electrical connections. 12.2 Packing A wooden crate is required for ground transport to protect the machine from mechanical damage. Consult an authorized KAESER Service representative for advice on packing for sea or air transport. Material Desiccant Plastic sheeting... -
Page 92: Transporting
Attached components such as centrifugal separators, condensate drains or filters ■ Rain protection covers Precondition The lifting cradle complies with local safety regulations. No pressure should bear on the sides of the machine cabinet. Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... -
Page 93: Disposal
Compressors with refrigeration dryers The sealed refrigerant circuit still contains both refrigerant and oil. ➤ Refrigerant and oil must be drained and disposed of by authorized personnel. Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... -
Page 94: 13 Annex
Annex 13.1 Pipeline and instrument flow diagram (P+I diagram) 13 Annex 13.1 Pipeline and instrument flow diagram (P+I diagram) Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... - Page 95 Annex 13.1 Pipeline and instrument flow diagram (P+I diagram) Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC...
- Page 96 Annex 13.1 Pipeline and instrument flow diagram (P+I diagram) Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE...
- Page 97 Annex 13.1 Pipeline and instrument flow diagram (P+I diagram) Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC...
- Page 98 Annex 13.1 Pipeline and instrument flow diagram (P+I diagram) Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE...
- Page 99 Annex 13.1 Pipeline and instrument flow diagram (P+I diagram) Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC...
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Page 100: Pipe And Instrument Flow Diagram (P+I Diagram): Modulating Control Mode
Annex 13.2 Pipe and Instrument Flow Diagram (P+I diagram): MODULATING control mode 13.2 Option C1 Pipe and Instrument Flow Diagram (P+I diagram): MODULATING control mode Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... - Page 101 Annex 13.2 Pipe and Instrument Flow Diagram (P+I diagram): MODULATING control mode Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC...
- Page 102 Annex 13.2 Pipe and Instrument Flow Diagram (P+I diagram): MODULATING control mode Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE...
- Page 103 Annex 13.2 Pipe and Instrument Flow Diagram (P+I diagram): MODULATING control mode Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC...
- Page 104 Annex 13.2 Pipe and Instrument Flow Diagram (P+I diagram): MODULATING control mode Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE...
- Page 105 Annex 13.2 Pipe and Instrument Flow Diagram (P+I diagram): MODULATING control mode Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC...
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Page 106: Dimensional Drawing
Annex 13.3 Dimensional drawing 13.3 Dimensional drawing Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... - Page 107 Annex 13.3 Dimensional drawing Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC...
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Page 108: Electrical Diagram
Annex 13.4 Electrical Diagram 13.4 Electrical Diagram Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE... - Page 109 Annex 13.4 Electrical Diagram Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC...
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Page 125: Service Manual For Compressed Air Filter
Annex 13.5 Service Manual for Compressed Air Filter 13.5 Service Manual for Compressed Air Filter Service manual Screw compressor Number: 9_6945 01USE Aircenter SX 3/7.5 SIGMA CONTROL BASIC... - Page 126 Annex 13.5 Service Manual for Compressed Air Filter Service manual Screw compressor Aircenter SX 3/7.5 SIGMA CONTROL BASIC Number: 9_6945 01USE...
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