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Atlas Copco ZR Series, Instruction Book

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Atlas Copco ZR Series Instruction Book Download Page 26

Instruction book 

2920 1472 03 

 

26 

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9820 3711 00/02

55358D

 

 
See page 30 for the list of texts on this figure. 
 
Fig. 2.2  Dimension drawing, ZT15 up to -22 WorkPlace Air System 
 

Summary of Contents for ZR Series

Page 1: ...r copying of the contents or any part thereof is prohibited This applies in particular to trademarks model denominations part numbers and drawings This instruction book meets the requirements for instructions specified by the machinery directive 98 37 EC and is valid for CE as well as non CE labelled machines No 2920 1472 03 Replaces 2920 1472 02 Registration code APC Z 55 VSD 38 392 2004 05 www a...

Page 2: ...hat the compressor is operated and that maintenance is carried out according to the instructions Record all operating data maintenance work effected etc in an operator s logbook available from Atlas Copco Follow all applicable safety precautions amongst others those mentioned in this book Repairs must be carried out by trained personnel from Atlas Copco who can also be contacted for any further in...

Page 3: ...mpressor status indication 23 2 INSTALLATION 25 2 1 Dimension drawings 25 2 2 Installation proposal Figs 2 6 2 7 30 2 3 Electric cables 34 2 3 1 ZT15 up to ZT22 IEC 34 2 3 2 ZT15 up to ZT22 CSA UL 34 2 3 3 ZT ZR30 up to ZT ZR45 IEC 35 2 3 4 ZT ZR30 up to ZT ZR45 CSA UL 35 2 4 Pictographs Figs 2 9 and 2 10 38 2 5 Cooling water requirements 39 2 5 1 Type of the system 39 2 5 2 Cooling water paramete...

Page 4: ...elay circuit breakers fuses 57 7 3 1 ZT15 up to ZT22 IEC 57 7 3 2 ZT15 up to ZT22 CSA UL 57 7 3 3 ZT ZR30 up to ZT ZR45 IEC 58 7 3 4 ZT ZR30 up to ZT ZR45 CSA UL 58 7 4 Compressor specifications 59 7 4 1 Reference conditions 59 7 4 2 Limitations 59 7 4 3 Specific data of ZT15 up to ZT22 59 7 4 4 Specific data of ZT30 up to ZT45 60 7 4 5 Specific data of ZR30 up to ZR45 60 7 5 Conversion list of SI...

Page 5: ... Load no load valve TV Low pressure compressor element El Intercooler Ci High pressure compressor element Eh Aftercooler Ca Electric motor M1 Drive coupling Gear casing Elektronikon regulator 1 Fig 1 2 Safety valves SVh SVl Full Feature compressors are additionally provided with an air dryer Figs 1 3 1 5 which removes moisture from compressed air See section 1 6 WorkPlace Air System compressors op...

Page 6: ...ntercooler Co Oil cooler Eh High pressure compressor element FC Oil filler plug FN Fan M1 Drive motor M2 Fan motor OF Oil filter SG Oil level sight glass SVl Low pressure safety valve S3 Emergency stop button 1 Elektronikon regulator Fig 1 2 Front view ...

Page 7: ...Ca Aftercooler Ci Intercooler Co Oil cooler Eh High pressure compressor element El Low pressure compressor element FN Cooling fan MTi Condensate trap intercooler M2 Fan motor TV Load no load valve 1 ID dryer Fig 1 3 Rear view Full Feature ID dryer ...

Page 8: ...neration air Ci Intercooler Co Oil cooler Eh High pressure compressor element El Low pressure compressor element FN Cooling fan MTi Condensate trap intercooler M2 Fan motor SVh High pressure safety valve TV Load no load valve 1 IMD dryer Fig 1 4 Rear view Full Feature IMD dryer ...

Page 9: ... off valve regeneration air 3 Safety valve 4 Inlet regeneration air 5 Inlet pipe wet compressed air 6 Condensate trap aftercooler 7 Dryer inlet valve 8 Manual drain valve 9 Dryer by pass valve 10 Dryer outlet valve 11 Moisture indicator Fig 1 5 IMD dryer ...

Page 10: ... is replaced by a condensate trap 5 in the dryer Full Feature compressors with an IMD dryer Figs 1 7 have three additional electronic water drains One on the IMD One upstream and downstream the regeneration air cooler 1 4 Oil system Figs 1 6 1 7 Oil is circulated by pump OP from the sump of the gear casing through cooler 16 and oil filter OF towards the bearings and timing gears The oil system is ...

Page 11: ... 1 2 UA AIR INLET 1 AIR FLOW 2 OIL FLOW 3 4 3 OP AIR OUTLET 5 M2 FN1 15 11 16 AF AS SVl MTi CV F1 F2 F3 Elektronikon EWDi Eh El OF AV REFRIGERANT FLUID 6 REFRIGERANT GAS 7 6 7 5 13 10 FN2 M3 8 12 9 55347D SVh Fig 1 6a ZT compressors with an ID dryer ...

Page 12: ... 1 2 UA AIR INLET 1 AIR FLOW 2 OIL FLOW 3 WATER FLOW 4 4 3 OP Eh El OF AIR OUTLET 5 F1 F2 F3 Elektronikon 11 15 16 17 18 19 14 SVl SVh AV REFRIGIRANT FLUID REFRIGERANT GAS 6 7 5 8 12 10 FN1 M3 13 55346D EWDi 6 7 9 MTi Fig 1 6b ZR compressors with an ID dryer ...

Page 13: ...oad no load valve UA Unloader US Silencer Y1 Loading solenoid valve 1 Chamber 2 Plunger 3 Chamber 4 Diaphragm 5 Condensate trap dryer 6 Air air heat exchanger 7 Air refrigerant heat exchanger evaporator 8 Capillary tube 9 Accumulator 10 Refrigerant condenser 11 Intercooler 12 Hot gas by pass valve 13 Liquid refrigerant filter dryer 14 Water outlet valve customer s installation 15 Aftercooler 16 Oi...

Page 14: ...UV CM 1 2 UA AIR INLET 1 AIR FLOW 2 OIL FLOW 3 4 3 OP AIR OUTLET 5 13 FN1 15 11 16 SVh MTa AF AS SVl MTi CV 55365D F1 F2 F3 Elektronikon EWDi Eh El OF 10 12 9 14 17 18 19 20 21 5 6 28 29 29 26 27 AV 22 7 8 Fig 1 7a ZT compressor with IMD dryer ...

Page 15: ...V CM 1 2 UA AIR INLET 1 AIR FLOW 2 OIL FLOW 3 WATER FLOW 4 4 3 OP Eh El OF AIR OUTLET 5 F1 F2 F3 Elektronikon 55364D 7 8 10 12 9 14 17 18 19 20 21 5 6 28 29 29 26 27 AV 11 15 22 16 23 24 25 31 30 SVl SVh MTi EWDi MTa Fig 1 7b ZR compressor with IMD dryer ...

Page 16: ... Throttle valve regeneration inlet air 8 Shut off valve hot regeneration inlet air 9 Strainer 10 Sealing sector regeneration air inlet unsaturated side 11 Intercooler 12 Rotor 13 Fan motor air coolers 14 Ejector 15 Aftercooler 16 Oil cooler 17 Electronic water drain inlet air 18 Water separator inlet air 19 Demister 20 Rotor sealing arrangement 21 Dry air outlet compartment 22 Regeneration air coo...

Page 17: ...ator and is sucked in by the compressor 1 6 2 Compressors with an IMD dryer Figs 1 7 Air drying circuit of the dryer Wet air from the aftercooler 15 enters the dryer through inlet valve 26 and the nozzle of ejector 14 The air leaving the aftercooler is normally saturated In the demister 18 water droplets are removed from the air The air is then led through rotor 19 which adsorbs the water vapour T...

Page 18: ...ol panel of Electronic Water Drain EWD 1 7 Electrical system The system mainly includes Elektronikon regulator 1 Fig 1 1 Emergency stop button S3 Fig 1 1 Electric cabinet Fig 1 9 Drive motor M1 Fig 1 2 Pressure and temperature sensors F1 2 Fuses F4 5 6 Fuses F21 Overload relay drive motor K21 Line contactor K22 Star contactor K23 Delta contactor Q15 Circuit breaker fan motor on ZT T1 Main transfor...

Page 19: ... on the compressor If one of these measurements temperature at LP element outlet temperature at HP element outlet intercooler pressure as well as oil pressure exceeds the programmed shut down level the compressor will be stopped This will be indicated on the control display The compressor will also be stopped in case of overload of the drive motor Consult the safety precautions as mentioned in sec...

Page 20: ...egulator is operative 2 Display Indicates messages concerning the compressor operating condition a service need or a fault 3 Scroll keys Keys to scroll upwards or downwards through the display 4 Tabulator key Key to select the parameter indicated by a horizontal arrow Only the parameters followed by an arrow pointing to the right are accessible for modifying 5 Function keys Keys to control and pro...

Page 21: ...nctions are listed below Designation Function Add To add compressor start stop commands day hour Back To return to a previously shown option or menu Cancel To cancel a programmed setting when programming parameters Delete To delete compressor start stop commands Help To find the Atlas Copco internet address Limits To show limits for a programmable setting Load To load the compressor manually Mains...

Page 22: ...onic module A simplified menu flow is shown in Fig 1 13 1 10 1 Function of control programs Program Function Description Main screen Shows in short the operation status of the compressor It is the gateway to all functions See Fig 1 13 Status data Calling up the status of the compressor protection functions shut down shut down warning service warning Resetting of a shut down motor overload and serv...

Page 23: ...displayed on a submenu screen press the Mainscreen key to return to the Main screen 1 10 3 External compressor status indication Terminal strip 1X7 Fig 2 8 may be provided as an option The strip has auxiliary contacts for external indication of Indication Relay Terminals on strip 1X7 Max load Automatic operation K07 71 72 10 A 230 V AC Warning K08 73 74 10 A 230 V AC Shut down K09 75 76 10 A 230 V...

Page 24: ...utlet Dp Air Filter Oil Pressure Intercooler Compressor Outlet Element 1 Outlet Element 2 Inlet Element 2 Outlet Intercooler Compressor Outlet Element 1 Outlet Element 2 Inlet Element 2 Outlet Regeneration Air Outlet Wet Air Inlet Emergency Stop Oil Injection Temperature Remote Start Stop Overload Motor Overload Fanmotor Electr Condensate Drain Condensate Drain Dryer PB1 open PB2 closed Motor Temp...

Page 25: ...0 1472 03 25 2 INSTALLATION 2 1 Dimension drawings 9820 3707 00 02 55356D 25 1 2 19 3 4 8 21 5 6 7 10 9 11 12 14 16 15 17 13 27 28 19 See page 30 for the list of texts on this figure Fig 2 1 Dimension drawing ZT15 up to 22 ...

Page 26: ... book 2920 1472 03 26 1 25 19 4 3 21 5 6 7 8 10 9 11 12 19 14 16 15 17 13 28 27 9820 3711 00 02 55358D See page 30 for the list of texts on this figure Fig 2 2 Dimension drawing ZT15 up to 22 WorkPlace Air System ...

Page 27: ...truction book 2920 1472 03 27 20 25 1 2 19 3 4 5 21 6 7 8 11 9 10 12 14 15 16 17 19 13 9820 3708 00 02 55361D 27 28 See page 30 for the list of texts on this figure Fig 2 3 Dimension drawing ZT30 up to 45 ...

Page 28: ...ook 2920 1472 03 28 1 25 20 2 19 4 3 5 21 6 7 8 11 9 10 12 14 15 16 17 19 13 27 28 9820 3712 00 02 55362D See page 30 for the list of texts on this figure Fig 2 4 Dimension drawing ZT30 up to 45 WorkPlace Air System ...

Page 29: ...truction book 2920 1472 03 29 9820 3821 00 52637D 1 2 3 4 5 6 7 8 9 10 11 12 13 20 25 22 23 24 21 19 14 16 15 17 19 See page 30 for the list of texts on this figure Fig 2 5 Dimension drawing ZR30 up to 45 ...

Page 30: ...red for electronic drain 27 Approximate net mass kg 28 Centre of gravity 2 2 Installation proposal Figs 2 6 2 7 Ref Description 1 Install the compressor on a level floor suitable for taking its weight Recommended minimum distance between the top of the bodywork and the ceiling 1200 mm 2 Remove the plastic plug if provided from the compressor air outlet pipe and install an air outlet valve Close th...

Page 31: ...mon ducting for several compressors is not allowed 5 Lay out the drain piping from automatic condensate outlets towards the condensate collector The drain pipes must not dip into the water of the collector It is recommended to provide a funnel to allow visual inspection of the condensate flow 6 Elektronikon control system with control panel 7 See section 2 3 for the recommended cable size of the s...

Page 32: ...03 32 2 3 4 1 9820 3718 00 2 52654D Text on figure 2 6 1 Common ducting for multiple units is not allowed 2 Minimum free area 3 Ventilation proposal 4 Ventilation proposal for WorkPlace Air System Fig 2 6 Installation proposal ZT ...

Page 33: ...ion book 2920 1472 03 33 9820 3823 00 52638D 2 3 1 Text on figure 2 7 1 Common ducting for multiple units is not allowed 2 Minimum free area 3 Ventilation proposal Fig 2 7 Installation proposal ZR30 up to ZR45 ...

Page 34: ...m ZT18 400V 50 Hz 16 mm ZT18 460V 60 Hz 10 mm ZT18 500V 50 Hz 10 mm ZT18 690V 50 Hz 6 mm ZT22 200 220V 50 60 Hz 50 mm ZT22 230V 50 60 Hz 50 mm ZT22 380V 60 Hz 25 mm ZT22 400V 50 Hz 25 mm ZT22 460V 60 Hz 16 mm ZT22 500V 50 Hz 16 mm ZT22 690V 50 Hz 10 mm 2 3 2 ZT15 up to ZT22 CSA UL Compressor Voltage Frequency Supply cables ZT15 200V 60 Hz AWG3 ZT15 230V 60 Hz AWG3 ZT15 460V 60 Hz AWG6 ZT15 575V 60...

Page 35: ...z 50 mm ZT ZR45 460V 60 Hz 50 mm ZT ZR45 500V 50 Hz 35 mm ZT ZR45 690V 50 Hz 25 mm 2 3 4 ZT ZR30 up to ZT ZR45 CSA UL Compressor Voltage Frequency Supply cables ZT ZR30 200V 60 Hz AWG000 or 2xAWG3 ZT ZR30 230V 60 Hz AWG000 or 2xAWG3 ZT ZR30 460V 60 Hz AWG3 ZT ZR30 575V 60 Hz AWG4 ZT ZR37 200V 60 Hz 2xAWG1 ZT ZR37 230V 60 Hz 2xAWG1 ZT ZR37 460V 60 Hz AWG2 ZT ZR37 575V 60 Hz AWG3 ZT ZR45 200V 60 Hz ...

Page 36: ...Instruction book 2920 1472 03 36 O HE1 HE2 O O O O O O O O O O O O O O O O 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 9820 3659 29 06 55399D Fig 2 8 Electrical diagram ...

Page 37: ...nkcase heater Full Feature ID TT11 Temperature sensor element 1 outlet TT18 Temperature sensor HP inlet TT21 Temperature sensor element 2 outlet TT29 Temperature sensor delivery air TT45 Temperature sensor oil injection TT51 Temperature sensor cooling water inlet ZR TT58 Temperature sensor intercooler cooling water out ZR TT59 Temperature sensor aftercooler cooling water out ZR TT84 Temperature se...

Page 38: ...ator key 4 Voltage on 5 Alarm 6 Automatic operation 7 Stop 8 Automatic condensate outlets 9 Manual condensate outlets 10 Warning under tension 11 Read Instruction book before starting the compressor 12 Switch off the voltage and depressurize the compressor before maintenance or repair 13 Before connecting the compressor electrically consult the Instruction book for the motor rotation direction ...

Page 39: ...stem or a circulating system with a cooling tower In the latter case the composition of the water that enters the cooler must be considered and not the composition of the make up water Due to the evaporative effect in the cooling tower much higher concentrations of ions can be obtained in the circulating water than in the make up water 2 5 2 Cooling water parameters The Ryznar stability index RSI ...

Page 40: ... 2 2 23 27 1 0 0 46 0 54 1 4 18 21 2 1 28 34 1 1 0 56 0 70 1 5 22 27 2 0 35 43 1 2 0 72 0 88 1 6 28 31 1 9 44 55 1 3 0 90 1 10 1 7 32 37 1 8 56 69 1 4 1 12 1 38 1 8 38 44 1 7 70 87 1 5 1 40 1 76 1 9 45 50 1 6 88 110 1 6 1 78 2 20 2 0 51 56 1 5 111 138 1 7 2 22 2 78 2 1 57 63 1 4 138 174 1 8 2 80 3 54 2 2 64 71 1 3 175 220 1 9 3 54 4 40 2 3 72 80 1 2 230 270 2 0 4 6 5 4 2 4 280 340 2 1 5 6 7 0 2 5 ...

Page 41: ... showing good RSI conditions can still be unsuitable due to other factors From the table above the RSI index should be between 5 6 and 7 5 otherwise contact a specialist pH The effect of pH is already calculated in the Ryznar index but the pH itself has some additional limitations Z units 6 8 pH 8 5 Total dissolved solids TDS This is the sum of all ions in the water It can be derived from the dry ...

Page 42: ... hardness Closed cooling system 50 1000 ppm CaCO3 Open cooling system 50 500 ppm CaCO3 HCO3 SO4 2 should be 1 Ammonia 0 5 ppm Copper 1 ppm Iron and manganese 1 ppm Organics No algae No oil Suspended solids Non soluble particles size 1 mm 10 ppm ...

Page 43: ...ly Lift smoothly and avoid twisting 3 1 Initial start up 1 Read the User manual for Elektronikon regulator to familiarize yourself with all regulator functions 2 Consult section 2 for the electric cable size installation proposals and dimension drawings 3 A sticker dealing in short with the operation instructions is delivered with the literature set Affix the sticker next to the control panel 4 A ...

Page 44: ... 1a Vibration dampers on earlier production units Fig 3 1b Transport fixations on recent production units Text on figures 3 1 1 Gear casing side 2 Motor side 3 Frame Components 1 Bolt 2 Nut 3 Bolt 4 Nut 5 Bush 6 Motor support or gear casing ...

Page 45: ...tallation in the inlet and outlet lines are closed Open the water inlet and outlet valves customer s installation and check for water flow Open the water flow regulating valves 1 and 4 Fig 3 6 and 7 Fig 3 7 in case of IMD On compressors with an IMD dryer only 12 Close the regeneration air inlet valve 2 Fig 1 5 as well as the air inlet and outlet valves 7 and 10 Fig 1 5 Open the by pass valve 9 Fig...

Page 46: ... In case of fluctuating water levels the average difference can be set at a maximum of 11 mm to keep the level in the leg marked at any time above the level in the leg marked When the average difference is set at 11 mm and the level in the leg marked does not stay at any time above the level in the leg marked consult Atlas Copco 22 Check the dryer connections for air leaks 23 Check that the moistu...

Page 47: ...p OF Oil filter SG Oil level sight glass 1 Arrow indicating correct rotation direction of drive motor Fig 3 3 Oil system components 1 Start button 2 Display 3 Scroll keys 4 Tabulator key 5 Function keys 6 Voltage on LED 7 General alarm LED 8 Automatic operation LED 9 Stop button S3 Emergency stop button Fig 3 4 Control panel ...

Page 48: ...tart automatically even if it was stopped manually Consult the User manual for Elektronikon regulator section Programming Clock function 3 3 During operation Fig 3 4 When automatic operation LED 8 is alight the Elektronikon regulator is automatically controlling the compressor the air delivery is matched to the air consumption the compressor will start and stop whenever necessary Keep all doors cl...

Page 49: ...ns 1 Water flow regulating valve oil cooler and intercooler 2 Oil cooler 3 Intercooler 4 Water flow regulating valve aftercooler 5 Aftercooler Fig 3 6 Water system on ZR compressors 1 Regeneration cooler 2 Aftercooler 3 Oil cooler 4 Intercooler 5 Regulating valve for the oil cooler and the intercooler 6 Regulating valve for the aftercooler 7 Regulating valve for the regeneration cooler Fig 3 7 Wat...

Page 50: ...top button 9 the compressor will stop and LED 8 will go out 3 On compressors with an IMD dryer close the dryer outlet valve 10 Fig 1 5 4 Close the air outlet valve customer s installation 5 In case of emergency press emergency stop button S3 to stop the compressor immediately 6 Open the manual condensate drain 1 Fig 3 5 On compressors with an IMD dryer also open drain valve 8 Fig 1 5 7 On ZR close...

Page 51: ...king conditions of the compressor Period Running hours Operation Daily 8 Check readings on display Daily 8 Check that condensate is discharged during loading Daily Check oil level Before starting the level should be in the middle of the sight glass 3 monthly Clean compressor 3 monthly Check for possible leaks 3 monthly 500 Check coolers clean if necessary A number of service operations are grouped...

Page 52: ...tre for the replacement interval of the motor bearings ZT ZR30 up to ZT ZR45 Greasing interval 4000 hrs Level A Quantity drive end 15 g Quantity non drive end 15 g Recommended grease Esso Unirex N3 Important Never mix greases of different brands or types 4 3 Oil specifications Use Atlas Copco Roto Z oil which has been specially developed for oil free rotary compressors This oil has a long service ...

Page 53: ...n book 2920 1472 03 53 Atlas Copco Roto Z oil Atlas Copco Roto Z oil can be ordered in following quantities Quantity Ordering number 5 litre can 2908 8503 00 20 litre can 2908 8501 01 209 litre drum 2908 8500 00 ...

Page 54: ...r plug FC Drain the compressor sump by opening drain valve Dmo Close the valve after draining 4 Remove the oil filter OF Clean the filter seat oil the gasket of the new filter and screw it into place until the gasket contacts the seat Then tighten by hand 5 Fill the compressor sump to the middle of the oil level sight glass SG with oil as specified in section 4 3 Reinstall the filler plug 6 Switch...

Page 55: ... Safety valves leaking b Remove leaking valve and have it inspected 2 Oil pressure too low a Oil level too low a Top up level to the middle of the oil level sight glass b Oil filter clogged b Replace filter 3 Air temperature above normal a Inlet temperature too high due to bad room ventilation or recirculation of cooling air a Improve ventilation of compressor room and avoid cooling air recirculat...

Page 56: ... 050 Below 0 050 Below 0 050 Oil pressure bar e 2 4 2 4 2 5 Intercooler pressure bar e 2 4 2 4 2 3 Air outlet temperature C 25 28 31 Air temperature low pressure element out C 170 185 190 Air temperature high pressure element out C 156 185 190 Air temperature high pressure element in C 29 34 35 7 1 3 ZR30 up to ZR45 Unit ZR30 ZR37 ZR45 Dp of air filter approx bar Below 0 050 Below 0 050 Below 0 05...

Page 57: ...z 21 3 A 1 3 A 50 A ZT18 500 V 50 Hz 18 7 A 1 0 A 50 A ZT18 690 V 50 Hz 13 7 A 0 8 A 35 A ZT22 200 V 50 Hz 57 5 A 2 5 A 125 A ZT22 200 220 V 60 Hz 53 3 A 2 6 A 125 A ZT22 230 V 60 Hz 52 0 A 2 3 A 125 A ZT22 230 V 50 Hz 49 9 A 2 2 A 125 A ZT22 380 V 60 Hz 31 4 A 1 3 A 80 A ZT22 400 V 50 Hz 28 8 A 1 3 A 80 A ZT22 460 V 60 Hz 26 0 A 1 3 A 63 A ZT22 500 V 50 Hz 22 9 A 1 0 A 63 A ZT22 690 V 50 Hz 16 9 ...

Page 58: ... 200 V 50 Hz 112 1 A 8 0 A 250 A ZT ZR45 200 220 V 60 Hz 106 1 A 11 0 A 250 A ZT ZR45 230 V 60 Hz 100 0 A 9 7 A 250 A ZT ZR45 230 V 50 Hz 97 3 A 8 0 A 200 A ZT ZR45 380 V 60 Hz 59 1 A 6 6 A 125 A ZT ZR45 400 V 50 Hz 56 1 A 4 7 A 125 A ZT ZR45 460 V 60 Hz 50 0 A 5 6 A 125 A ZT ZR45 500 V 50 Hz 44 9 A 3 8 A 100 A 7 3 4 ZT ZR30 up to ZT ZR45 CSA UL Compressor type Voltage supply Frequency Overload re...

Page 59: ...C 40 Maximum cooling water temperature at outlet open circuit on ZR C 50 Maximum cooling water temperature at outlet closed circuit on ZR C 60 Maximum cooling water inlet pressure on ZR bar e 7 7 4 3 Specific data of ZT15 up to ZT22 Unit ZT15 7 5 ZT15 8 6 ZT15 10 ZT18 7 5 ZT18 8 6 ZT18 10 ZT22 7 5 ZT22 8 6 ZT22 10 Nominal working pressure bar e 7 8 9 5 7 8 9 5 7 8 9 5 Maximum working pressure bar ...

Page 60: ... pressure level 1 dB A 69 69 71 71 73 73 Sound pressure level WorkPlace Air System 1 dB A 66 66 68 68 70 70 7 4 5 Specific data of ZR30 up to ZR45 Unit ZR30 7 5 ZR30 8 6 ZR37 7 5 ZR37 8 6 ZR45 7 5 ZR45 8 6 Nominal working pressure bar e 7 8 7 8 7 8 Maximum working pressure bar e 7 5 8 6 7 5 8 6 7 5 8 6 Maximum working pressure Full Feature bar e 7 25 8 35 7 25 8 35 7 25 8 35 Minimum working pressu...

Page 61: ... 1 kW 1 341 hp UK and US 1 l 0 264 US gal 1 l 0 220 Imp gal UK 1 l 0 035 cu ft 1 m 3 281 ft 1 mm 0 039 in 1 m min 35 315 cfm 1 mbar 0 401 in wc 1 N 0 225 lbf 1 Nm 0 738 lbf ft x degrees Celsius 32 1 8 x degrees Fahrenheit 2 Footnotes chapter 7 1 According to ISO 2151 at operator s position 2 A temperature difference of 1 C a temperature difference of 1 8 F ...

Page 62: ...ust be designed so that the pressure will not permanently exceed the maximum allowable pressure PS except for short pressure surges of 1 1 times the design pressure 6 This vessel has been designed and built to guarantee an operational lifetime in excess of 20 years and an infinite number of pressure load cycles Therefore there is no intrinsic need for in service inspection of the vessel when used ...

Page 63: ...Instruction book 2920 1472 03 63 Notes ...

Page 64: ...Instruction book 2920 1472 03 64 Notes ...

Page 65: ... a l l n o t b e r e l i e d u p o n f o r i s o l a t i n g p r e s s u r e s y s t e m s 1 2 Neverremoveortamperwiththesafetydevices guardsorinsulations f i t t e do nt h eu n i t E v e r yp r e s s u r ev e s s e lo ra u x i l i a r yi n s t a l l e do u t s i d e t h e u n i t t o c o n t a i n a i r a b o v e a t m o s p h e r i c p r e s s u r e s h a l l b e p ro t e c t e d b y a p r e s s...

Page 66: ... t i v e l yi s o l a t et h e u n i t f r o m a l l s o u r c e s o f p r e s s u r e a n d r e l i e v e t h e e n t i r e s y s t e m o f p r e s s u r e 5 Never use flammable solvents or carbon tetrachloride for cleaning p a r t s Take safety precautions against toxic vapours of cleaning l i q u i d s 6 Scrupulously observe cleanliness during maintenance and repair Keep dirt away by covering t...

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