Edwards Microvac 149-H Скачать руководство пользователя страница 25 | Manualshive

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© Edwards Limited 2011. All rights reserved.

Page 19

Edwards and the Edwards logo are trademarks of Edwards Limited.

Installation

S149-01-880 Issue F

Figure 11 - Electrical schematic

L

Leg

F

Fuse

M

Motor contactor

M Aux In-line filter
OL

Overload

CV

Solenoid valve

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Содержание Microvac 149-H

Страница 1: ...c Rotary Piston Pump 230 460 V 3 60 Hz with 230 460 V Coil 900 212 014 212J Microvac Rotary Piston Pump 400 V 3 60 Hz with 380 V Coil 900212014501 212J Microvac Rotary Piston Pump 400 V 3 60 Hz with 4...

Страница 2: ...Z 149 HR Pump 1 400 V 3 Ph 50 Hz 380 V 3 Ph 50 Hz 2 400 V 3 Ph 50 Hz 415 V 3 Ph 50 Hz 3 400 V 3 Ph 50 Hz 380 V 3 Ph 50 Hz with TCV 4 400 V 3 Ph 50 Hz 415 V 3 Ph 50 Hz with TCV to which this declaratio...

Страница 3: ...with process gases 8 2 4 Electrical data 8 3 Installation 13 3 1 Safety 13 3 2 System design considerations 14 3 3 Unpack and inspect 14 3 4 Locate the pump 14 3 5 Inlet piping 15 3 5 1 Vacuum access...

Страница 4: ...ion 39 8 3 Operation 39 8 4 Maintenance 39 For return of equipment complete the HS Forms at the end of this manual Illustrations Figure Page 1 Theory of operation 2 2 149 H 149 HS pump general arrange...

Страница 5: ...specifications 7 3 Motor specifications IEC motors CE pumps 9 4 Motor specifications NEMA motors 10 5 Maintenance plan 28 6 Belt tension 30 7 Motors the can be fitted to 412J pump models 31 8 Fault f...

Страница 6: ...This page has been intentionally left blank S149 01 880 Issue F Page iv Edwards Limited 2011 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited...

Страница 7: ...WARNING and or CAUTION instructions which must be followed The use of WARNINGS and or CAUTIONS is defined below CAUTION Cautions are given where failure to observe the instruction could result in dam...

Страница 8: ...pump is in operation lubrication of the internal parts is completely automatic Oil is forced by atmospheric pressure from the reservoir through internal oil passages to the shaft bearings The oil is t...

Страница 9: ...angement 1 Check valve 2 Ball valve gas ballast 3 Oil level sight glass 4 System lift eye bolt 5 Water outlet connection 6 Water inlet connection 7 1 4 inch vacuum access port 8 Motor lift eye bolt 9...

Страница 10: ...dicator 2 Solenoid valve 3 Vacuum exhaust connection 4 Water inlet connection 5 Gas ballast purge connection 6 Gas ballast adjustment 7 1 4 inch vacuum access port 8 Belt guard 9 Motor lift eye bolt 1...

Страница 11: ...olt 4 Reservoir cover 5 Oil flow indicator 6 1 2 inch vacuum access port 7 Oil drain port dead end 8 Vacuum exhaust connection 9 Motor 10 Oil fill port pressure relief 11 Water outlet connection 12 So...

Страница 12: ...gauge sensor to reduce the chance of contaminating the gauge with pump lubricants The pump is provided with 1 4 inch and 1 2 inch NPT vacuum access ports These ports are provided for customer convenie...

Страница 13: ...158 F Table 2 Pump technical specifications Specification Unit 149 H 149 HS 212 J 412 J Ultimate vacuum microns Hg 25 25 25 25 Displacement cfm 80 100 150 300 m3 h 1 135 170 255 510 Pump speed rpm 49...

Страница 14: ...uminum Buna N Brass Cast Iron Ductile Iron Fluoroelastomer Steel Stainless Steel Hydrocarbon Oil and Atmosphere 2 4 Electrical data The motor specifications are provided in Table 2 and Table 3 Motor s...

Страница 15: ...1 2 3 4 900412014501 2 3 4 Enclosure IP55 IP55 IP55 IP55 Ambient temperature 40 C 104 F 40 C 104 F 40 C 104 F 40 C 104 F Frame DF100L DF112M DF132S DF160M Insulation class F3 F3 F3 F3 Electrical suppl...

Страница 16: ...specifications NEMA motors Specification 900 149 011 930 149 011 900 212 014 900 412 014 Enclosure TEFC TEFC TEFC TEFC Ambient temperature 40 C 104 F 40 C 104 F 40 C 104 F 40 C 104 F Frame 182T 184T...

Страница 17: ...S149 01 880 Issue F Note Refer to motor rating nameplate for weight efficiency motor speed and full load amperage values Figure 8 Pump speed curves Phase frequency 3 60 Hz 3 60 Hz 3 60 Hz 3 60 Hz HP 3...

Страница 18: ...S149 01 880 Issue F Page 12 Edwards Limited 2011 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited This page has been intentionally left blank...

Страница 19: ...le precautions to avoid the inhalation of oil mist and excessive skin contact with pump oil as prolonged exposure can be harmful z Disconnect the other components in the pumping system from the electr...

Страница 20: ...ce number Retain all packing materials for inspection Do not use the pump if damaged If the pump is not used immediately replace the protective covers Store the pump in suitable conditions as describe...

Страница 21: ...ase the pipe diameter by 50 or more over the pump inlet diameter Conductance of long lines must be checked and the line sized large enough or pumping speed of the system will be negatively impacted Wh...

Страница 22: ...Refer to Figure 2 items 7 and 11 Figure 3 items 7 and 12 and Figure 4 items 6 and 19 The pipe plugs can be replaced with a small vacuum ball valve to which a gauge can be connected If a McLeod gauge...

Страница 23: ...and condensables inside the filter housing The housing must be drained of fluids using the drain cocks Failure to drain the oil from exhaust filters will result in decreased pump performance and sign...

Страница 24: ...n easy reach of the operator Connect the solenoid valve s Connect the motor so that the pump shaft rotates clockwise when viewed from the drive end See Section 4 1 for pre start check procedures WARNI...

Страница 25: ...hts reserved Page 19 Edwards and the Edwards logo are trademarks of Edwards Limited Installation S149 01 880 Issue F Figure 11 Electrical schematic L Leg F Fuse M Motor contactor M Aux In line filter...

Страница 26: ...cooling water must be discharged to a pressure drain In such cases discharge pressure must not exceed 2 41 bar 35 psig and no block valve should be placed in discharge line unless a 2 41 bar 35 psig r...

Страница 27: ...9 HS 15 liters 4 0 gallons for the 212 J and 45 liters 12 gallons for the 412 J Before connecting the suction manifold slowly rotate the pump through two 2 revolutions This will distribute the oil thr...

Страница 28: ...S149 01 880 Issue F Page 22 Edwards Limited 2011 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited This page has been intentionally left blank...

Страница 29: ...essure and the pump cavity vacuum forces the oil to the bearings and into the pump cavity The oil lubricates the moving parts and also creates an oil seal Oil starts to flow at 800 mbar 600 Torr At 53...

Страница 30: ...vapor are present the pump should be operated near 71 C 160 F Switch on inert gas purge to remove air from the pump and exhaust pipeline before the process starts Note Edwards recommends obtaining and...

Страница 31: ...system or process Oil temperature can be measured by inserting a thermometer in the fill hole or by contact pyrometer on oil block near the solenoid If the pump is to be operated with oil temperature...

Страница 32: ...S149 01 880 Issue F Page 26 Edwards Limited 2011 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited This page has been intentionally left blank...

Страница 33: ...pump is decontaminated before maintenance and that adequate precautions to protect personnel from the effects of dangerous substances if contamination has occurred z Do not touch or inhale the thermal...

Страница 34: ...ure 60 71 C 140 160 F Daily Replace oil Application dependent Inspect valve decks 6 months Inspect pulleys and belts 6 months Inspect gas ballast valve 6 months Inspect bearing condition 12 months Cle...

Страница 35: ...drain valve and drain water close the valve when oil flow starts The interval is process dependent and varies with the amount of water vapor and oil temperature Operating the pump with the oil temper...

Страница 36: ...and system for potential hazardous conditions Restore energy sources 5 8 Drive belt tension Remove the belt guard At approximately the center of the span between drive and driven pulleys apply force t...

Страница 37: ...sizes WARNING A new safety review may be required following fitment of any motor Particular attention should be made to the effectiveness of the drive guard to restrict finger access to the motor shaf...

Страница 38: ...tighten screws Exhaust valve not sealing Disassemble clean and check all parts thoroughly Replace any damaged or worn parts Pump seizes or knocks excessively internal parts severely worn or broken Di...

Страница 39: ...in valve seat Turn pump over by hand to remove excess oil Disassemble valve clean and replace any worn parts Check solenoid Oil viscosity too high or oil temperature too low Change to lighter grade oi...

Страница 40: ...S149 01 880 Issue F Page 34 Edwards Limited 2011 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited This page has been intentionally left blank...

Страница 41: ...to be stored for long periods loosen the drive belts and change the oil z Place and secure protective covers on the inlet and exhaust ports z Store the pump in cool dry conditions until it is require...

Страница 42: ...S149 01 880 Issue F Page 36 Edwards Limited 2011 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited This page has been intentionally left blank...

Страница 43: ...umber and description of part 7 2 Service Edwards products are supported by a worldwide network of Edwards Service Centers Each Service Center offers a wide range of options including equipment decont...

Страница 44: ...S149 01 880 Issue F Page 38 Edwards Limited 2011 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited This page has been intentionally left blank...

Страница 45: ...additional care if the pump hence the PFPE oil is suspected of overheating Do not touch or inhale the thermal breakdown products of PFPE oil which may be present if the pump has been heated to 260 C...

Страница 46: ...S149 01 880 Issue F Page 40 Edwards Limited 2011 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited This page has been intentionally left blank...

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