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QSF

 Series 

Direct Drive Rotary Screw Air Compressors

Instruction Manual

This manual contains important safety information and should be made available to 

all personnel who operate and/or maintain this product. Carefully read this manual 

before attempting to operate or perform maintenance on this equipment.

Manual No. 55002-CB

October 1998 Editio

n

Updated: Septermber 2010

Summary of Contents for QSF Series

Page 1: ...ontains important safety information and should be made available to all personnel who operate and or maintain this product Carefully read this manual before attempting to operate or perform maintenan...

Page 2: ......

Page 3: ...cription 8 Indicators 9 Section III Installation Receiving 10 Moving the Unit to the Installation Site 10 Location 10 11 Piping Connections 12 Piping Fit Up 12 Relief Valves 12 Pressure Vessels 13 Ele...

Page 4: ...avenging System 31 Air Filter 32 Control Line Air Filter 32 Compressor Shaft Fluid Seal 33 Preparation for New Seal Installation 34 Seal Installation 34 Air and Fluid Tubing 35 Section VI Service Adju...

Page 5: ...30 days of the discovery of same during the warranty period Seller s sole obligation on this warranty shall be at its option to repair replace or refund the purchase price of any product or part there...

Page 6: ...head upstream of any shut off valve block valve heat exchanger orifice or any potential blockage point Failure to install a relief valve could result in the rupturing or explosion of some compressor c...

Page 7: ...ly or subsequently sold Not responsible for typographical errors Reference to the machine MODEL SERIAL NUMBER and DATE OF ORIGINAL START UP must be made in all communication relative to parts orders o...

Page 8: ...symbols identify the level of the hazard DANGER Hazards or unsafe practices that will result in death or serious injury WARNING Immediate hazards which could result in death or serious injury CAUTION...

Page 9: ...ling The male rotor has four lobes that mesh with a female rotor consisting of six flutes Both rotors are housed in a single cast iron cylinder The unit has an inlet port at the power input end and a...

Page 10: ...on Description of Fluid Flow and Compressor Cooling System The fluid serves three functions it lubricates the bearings rotors and gears it removes heat from the air as the air is being compressed thus...

Page 11: ...starts driving the compressor rotors air is drawn in compressed and discharged into the reservoir When the air pressure in the reservoir exceeds the set point of the pilot valve normally 100 PSIG the...

Page 12: ...control panel reduces this voltage to 120 VAC for the various controls on the unit which is then reduced to 24 volt for the electronic controls These controls include the pressure transducer high air...

Page 13: ...h discharge temperature Motor Overload Fault Indicates excessive over amp of drive motor and fan motor if air cooled Fluid Filter Change Light This is used to determine fluid filter change intervals o...

Page 14: ...to the main frame Do not attempt to lift the unit by attachment to any components Optional lifting eyes are available NOTE See technical data pages for detailed technical information and dimensions CA...

Page 15: ...ir Taking in any of the above would jeopardize the performance of the equipment or pose a health hazard to all personnel exposed to the total compressed air system In high humidity areas avoid placing...

Page 16: ...on and prevent expansion strains In no case should the piping be of smaller size than the connection on the compressor unit Relief Valves Pressure relief valves are sized to protect the system Never c...

Page 17: ...cordance with applicable codes See control panel for the proper wiring diagram Quincy would like to emphasize the importance of providing adequate grounding for air compressors The common practice of...

Page 18: ...te Water cooled models only Make sure the water supply is connected and open Piping supplied by the user should be at least equal to the connections provided on the compressor Sewer facilities should...

Page 19: ...ower input end of the compressor is marked with an arrow noting the proper rotation Failure to operate the compressor in correct rotation will result in extreme damage to the compressor and warranty c...

Page 20: ...een satisfied close the main power disconnect switch jog the starter switch button to check the rotational direction of the compressor The compressor must rotate counter clockwise when facing the comp...

Page 21: ...e top window The LED lamps in a vertical row show the selected display parameter and or any alarm conditions On applying system power the LED status lights will blink and the numeric display will show...

Page 22: ...ressor will not start if the line pressure is above the load point the compressor will start when the line pressure drops below the load point If the compressor is waiting to start the Run Status LED...

Page 23: ...sor will delay on power up before resuming operation A r will show at the left most digit Set to 0 if no auto restart required NOTE AUTO RESTART refers to the automatic starting of the compressor on p...

Page 24: ...switch will also trip the same way as the EMERGENCY STOP as it is part of the same circuit This will trip if the discharge temperature exceeds the pre set point In this case the emergency stop button...

Page 25: ...rin bushing is recommended any time a transducer is replaced Install new Teflon bushing and transducer Connect transducer wires to microprocessor and reinstall wire channel cover Replacing electronic...

Page 26: ...Section I V Operating Procedures Quincy Compressor QSF Series 22...

Page 27: ...ze system if water cooled NOTE Only trained and qualified technicians should perform maintenance Safety Safety procedures performed while servicing the compressor are important to both the service per...

Page 28: ...essors be filled with QuinSyn IV or QuinSyn synthetic fluid QuinSyn IV or QuinSyn is available from any authorized Quincy distributor For applications requiring a food grade fluid we recommend QuinSyn...

Page 29: ...MER The owner of the unit that sample came from e COMPRESSOR MANUFACTURER Brand of compressor sample taken from f FLUID TYPE This should always be QuinSyn IV or QuinSyn F fluids g SERIAL NUMBER The un...

Page 30: ...Section V Servicing Quincy Compressor QSF Series 26...

Page 31: ...PPM Plasma Emission 0 0 20 20 Zinc PPM Plasma Emission 0 0 20 20 Calcium PPM Plasma Emission 0 0 20 20 Barium PPM Plasma Emission 0 0 20 20 Iron PPM Plasma Emission 0 5 10 10 Copper PPM Plasma Emissi...

Page 32: ...of the filter requires spinning off the complete cartridge and replacing it with a new one USE GENUINE QUINCY REPLACEMENT FILTERS ONLY The initial filter change should occur after the first 500 hours...

Page 33: ...follows 1 Locate a continuity test light or a volt ohm meter v o m capable of reading 20 ohms 2 Assure that the battery has proper charge Touch the probe leads together to assure the light works or to...

Page 34: ...ws 1 Lubricate the separator o ring with compressor fluid and place separator inside the reservoir with o ring end facing down centered inside studs 2 Place the square separator compression plate over...

Page 35: ...el tube to the compressor Failure to keep the orifice clean will result in excessive fluid carryover Cleaning of the orifice should be performed which ever occurs first When no fluid is seen moving th...

Page 36: ...ir filter element depend on ambient conditions and should be established by checking at regular intervals until a pattern for servicing is found Daily maintenance of the filter element is not uncommon...

Page 37: ...motor after coupling guards and coupling halves are removed Remove the drive coupling hub and key from the compressor shaft 3 Remove the four bolts that secure the seal adapter to the suction housing...

Page 38: ...reheat in warm oil Apply a thin film of LOCTITE to the inner diameter of the wear sleeve and immediately install on the compressor shaft using the proper wear sleeve driver Drive the wear sleeve on th...

Page 39: ...horized distributor has the necessary instructions and experience to perform these repairs Failure to install flareless tubing or fittings correctly may result in the tubing coming apart under pressur...

Page 40: ...raise pressure turn the adjusting screw in clockwise to lower pressure turn screw out counter clockwise Maximum full load pressure is 100 PSIG for standard QSF units Minimum full load pressure with mo...

Page 41: ...tion screening to remove debris sand and or silt in the cooling water supply However chemical treatment methods may be necessary in certain instances to inhibit corrosion and or remove suspended solid...

Page 42: ...ice Adjustments ASSEMBLING SEAL LOK FITTINGS SEAL LOK ASSEMBLY TORQUES IN LBS DASH SIZE 4 6 8 10 12 16 20 24 FACE SEAL END 220 10 320 25 480 25 750 35 1080 45 1440 90 1680 90 1980 100 Quincy Compresso...

Page 43: ...age on transformer Unscheduled Shutdown High air discharge temperature Correct the situation in accordance with the instruction in the High Discharge Air Temperature section of this troubleshooting gu...

Page 44: ...thermal valve Replace thermal valve element Cooler plugged Clean cooler find and correct cause of contamination Frequent Air Fluid Separator Clogging Faulty air filter or inadequate filter for the en...

Page 45: ...troubleshooting guide System contamination Check and clean system of all dirt corrosion and varnish Inadequate circulation of cooling air at the cooler Check location of cooler and assure there is no...

Page 46: ...Too rapid cycling between load and unload section of this troubleshooting guide Incorrect fluid Use recommended fluids only See lubrication section Frequent Air Cleaner Clogging Compressor operating...

Page 47: ...to proper setting Loose wiring connection Check and tighten wiring terminals Jammed air inlet valve assembly Check and repair air inlet valve Faulty solenoid Repair or replace as necessary Faulty time...

Page 48: ...d modulation range Air pressure not set correctly Readjust air pressure switch so that the compressor unloads at the desired pressure Air inlet valve not closing properly in relation to air demand Cor...

Page 49: ...aftercooler and fluid cooler fins Wipe entire unit down to maintain appearance Clean aftercooler and fluid cooler fins 6 months or every 1000 hours Take fluid sample Change fluid filter Every 4000 ho...

Page 50: ...ipal water supply Dirt and debris can plug the water passages very quickly rendering the cooler ineffective Write the factory for water strainer recommendation 6 Fixed bundle heat exchangers are gener...

Page 51: ...be necessary to drain the water chambers of the exchanger to protect it from damage by freezing temperatures Drains are provided in most standard models The oil chamber of the exchanger may become fil...

Page 52: ...ontract for but if there is no limit set by law such interest shall be eighteen percent 18 Buyer shall pay all cost and expenses including reasonable attorney s fees incurred in collecting the same an...

Page 53: ...ls and workmanship under normal use and service for ninety 90 days or for the remainder of the warranty on the product being repaired This warranty shall not apply and Seller shall not be responsible...

Page 54: ...___________________________ __________________________________________________________________________ __________________________________________________________________________ ______________________...

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Page 56: ...Rotary Vacuum Systems 251 937 5900 Nearest Distributor 888 424 7729 E mail info quincycompressor com Website www quincycompressor com 2007 Quincy Compressor All Rights Reserved Litho in U S A...

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