Quincy Compressor QSD 65040-AB Instruction Manual
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Quincy Compressor QSD 65040-AB Instruction Manual

Quincy Compressor QSD 65040-AB Instruction Manual

Oil-free rotary screw air compressor
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QSD
Series
™
Oil-Free Rotary Screw Air Compressor

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. 65040-AB
January 2001 Edition

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Summary of Contents for Quincy Compressor QSD 65040-AB

  • Page 1: Instruction Manual

    Series ™ Oil-Free Rotary Screw Air Compressor 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.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Standard Warranty ..............................3 Dimensional Data ..............................4-5 Section I Safety Precautions ..............................6 Safety Alert Symbols ..............................7 Serial/Model Identification Plate ..........................7 Spare Parts Ordering Information ..........................7 Section II - Description Model Identification ..............................8 General Description ..............................
  • Page 4 TABLE OF CONTENTS Section V - Maintenance or Service Preparation Preparing for Maintenance or Service ........................24 Section VI - Servicing Safety ..................................26 Fluid Specifications ............................26-27 Air Filter ................................... 27 Input Shaft Seal ..............................28-29 Airend Sealing System ............................. 29 Section VII - Service Adjustments Pressure Switch ................................

  • Page 5: Standard Warranty

    Standard Warranty Quincy Compressor Division Industrial Screw Products ™ - Rotary Screw Air Compressors Seller’s sole obligation on this warranty shall be, at its Seller warrants products of its own manufacture against defects in workmanship and materials under normal use option, to repair, replace or refund the purchase price of any product or part thereof which proves to be defective.

  • Page 6: Dimensional Data

    DIMENSIONAL DATA (air-cooled) ® Quincy Compressor - QSD™...

  • Page 7: Dimensional Data

    DIMENSIONAL DATA (water-cooled) ® Quincy Compressor - QSD™...

  • Page 8: Safety Precautions

    Section I - General • Safety Precautions • Never use plastic pipe, rubber hose, or soldered joints in any part of the compressed air system. • Safety Alert Symbols Failure to ensure system compatibility with • Serial/Model Identification Plate compressor piping is dangerous. •...
  • Page 9 Section I - General Safety Alert Symbols Serial/Model Identification Plate IMPORTANT! Throughout this manual we have identified key hazards. The following symbols identify the level of hazard seriousness: DANGER Immediate hazards which will result in severe personal injury or death. Reference to the machine MODEL, SERIAL NUMBER and DATE OF ORIGINAL START-UP must be made in all communication relative to parts orders or warranty...

  • Page 10: Section Ii - Description

    Section II - Description MODEL IDENTIFICATION ® Quincy Compressor - QSD™...

  • Page 11: General Description

    Section II - Description • General Description The Compression Cycle and Air Flow • The Compression Cycle ™ The compression cycle of the two-stage QSD rotary • Cooling System compressor is a continuous process from the intake of • Lubricating Fluid System stage one to the discharge of stage two.
  • Page 12 Section II - Description Cooling System The stage two cooler cools the water/glycol (70/30) mixture which is circulated through the fluid cooler and the jackets of the compressor stages. Water-cooled The third cooling process takes place in the aftercooler ™ The QSD water-cooled cooling system is divided into which cools the discharge air from stage two, which then...
  • Page 13 Section II - Description Capacity Control System This vacuum creates a reverse pressure differential across the bearing seals, causing the bearing fluid to migrate toward the compression chamber when the machine is ™ The standard method of capacity control for the QSD unloaded.

  • Page 14: Electrical System

    Section II - Description ™ The Power$ync II controller allows the customer to Electrical System select Auto Dual as an alternate control method. Auto Dual incorporates a timer which will turn the compressor A diagram of the electrical system is shown in the parts off if it remains in the unloaded condition for a preset manual shipped with the compressor.
  • Page 15 Section II - Description Back-up Control Shutdown Conditions ™ ™ The QSD Power$ync II controller is supplied with a NOTE back-up control for emergency operations if the If one of the following conditions occurs at any electronic control is inoperative. The Back-up Mode is a time the unit will immediately shutdown.

  • Page 16: Indicators

    Section II - Description Safety Sensors Indicators Four (4) high air temperature RTD’s are standard on Main Power on Light ™ units. These protect the unit by sensing unusually high temperatures and shutting the unit down. Indicates when power from the main disconnect switch ™...
  • Page 17 Section II - Description Fluid Filter Change Light Low Lube Light Indicates excessive pressure differential across the fluid This indicator signals that the compressor has shutdown filter. It is used to determine fluid filter change intervals. due to low fluid pressure. NOTE NOTE There is no indication of fluid filter change on...

  • Page 18: Section Iii - Installation

    Section III - Installation • Receiving Moving the Unit to the Installation Site • Moving the Unit to the Installation Site When a forklift is used to move the unit to its installation • Location site, use forklift slots provided in the side or end of the •...

  • Page 19: Piping Connections

    Section III - Installation ™ Quincy QSD models are essentially vibration free; CAUTION however, some customers may choose to bolt the unit to the floor to prevent the accidental breakage of piping or electrical connections as a result of being bumped. Use This compressor should not be operated in only lag bolts to secure the unit.

  • Page 20: Manual Shutoff Valve

    Section III - Installation Piping Fit-up Pressure Relief Valves Care must be taken to avoid assembling the piping in a Pressure relief valves are strain with the compressor. Piping should line up without sized to protect the system. having to be sprung or twisted into position. Adequate Never change the pressure expansion loops or bends should be installed to prevent setting or tamper with the...

  • Page 21: Electrical

    Section III - Installation Electrical Pneumatic Circuit Breakers or Velocity Fuses The Occupational Safety and Health Act, Section Before installation, the electrical supply should be 1926.303, Paragraph 7, published in the Code of Federal checked for adequate wire size and branch circuit Regulations 29 CFR 1920.1, revised July 1, 1982, states capacity.
  • Page 22 Section III - Installation Clean air is essential for your Quincy compressor. Table 3-2 – Water Quality Always select a source providing the cleanest air possible. When an outside air source is used, keep all piping as short and direct as possible. Table 3-1 –...

  • Page 23: Fluid Level

    Section III - Installation Fluid Level Compressor Rotation The compressor is filled at the factory with the correct The compressor rotation must be checked prior to amount of fluid. A fluid tag is provided which identifies start-up. Proper rotation is counter-clockwise as viewed the type of fluid installed when the unit was shipped.

  • Page 24: Section Iv - Operating Procedures

    Section IV - Operating Procedures • Prior to Starting NOTE When freezing temperatures are expected before • Starting the Compressor the next start-up, drain all cooling water as • Stopping the Compressor - Normal follows: Operation • Drain inlet and outlet water lines at the cabinet •...
  • Page 25 Section IV - Operating Procedures Stopping the Compressor - Emergency Press the emergency stop button or cut the power at the main disconnect switch or panel. Table 4-1 – Pressure Readings > < Table 4-2- Temperature Readings (Water-cooled) F ° <...

  • Page 26: Preparing For Maintenance Or Service

    Section V - Preparing for Maintenance or Service The following procedure should be used for maximum safety when preparing for maintenance or service: 1) Disconnect and lockout the main power switch and hang a sign at the switch of the unit being serviced. WARNING 2) Close the manual shut-off valve (block valve) between the receiver and plant air system to prevent...
  • Page 27 Section V - Preparing for Maintenance or Service THIS PAGE INTENTIONALLY LEFT BLANK ® Quincy Compressor - QSD™...

  • Page 28: Section Vi - Servicing

    Section VI - Servicing • Safety Fluid Specifications • Fluid Specifications ™ Each QSD unit comes equipped with a fluid level sight • Air Filter gauge, fluid fill opening, and a fluid drain located on the • Input Shaft Seal gearbox.
  • Page 29 Section VI - Servicing Fluid Filter Fluid Life The fluid filter is a spin on, full flow unit. Replacement Quinsyn GL or GLF fluid can be used for one (1) year or of the filter requires spinning off the complete cartridge 8,000 hours depending upon application and and replacing it with a new one.
  • Page 30 Section VI - Servicing Input Shaft Seal a) With the face of the seal adapter up, insert two small, flat screwdrivers under the outer lip of the fluid slinger and pop the slinger from the seal adapter bore. NOTE b) Using a brass drift, tap the shaft seal assembly from ™...
  • Page 31 Section VI - Servicing Seal Installation Airend Sealing System 1) Apply a thin coat of compressor fluid to the outer The airends have a redundant shaft seal arrangement that face of the seal wear sleeve and seal lip. consists of three segments: 2) Cover the keyway in the compressor shaft with 1) A primary set of seals on the dry side with a masking tape so there is no chance of damage...

  • Page 32: Section Vii - Service Adjustments

    Section VII - Service Adjustments • Pressure Switch Adjusting Pressure Switch The following procedure should be used for maximum safety when preparing for maintenance or service: WARNING 1) Disconnect and lockout the main power switch and hang a sign at the switch of the unit being serviced. 2) Close shut-off valve (block valve) between the Never adjust the pressure higher than the factory compressor and plant air system to prevent any back...
  • Page 33 Section VII - Service Adjustments THIS PAGE INTENTIONALLY LEFT BLANK ® Quincy Compressor - QSD™...

  • Page 34: Section Viii - Power$Ync

    ™ Section VIII - Power$ync II Operation • Introduction to Power$ync II™ (version 1.04) The RTD temperature probes are installed at the discharge of each compressor stage, at the inlet of stage • Back-up Mode Operation two and at the discharge of the package. •...
  • Page 35 ™ Section VIII - Power$ync II Operation While running in Back-up Mode, there is no power going Auto Dual Mode is best used for systems that have to the electronic control. The displays on the electronic extended periods (usually half an hour or more) during control will be dark and the keypad will be inactive.

  • Page 36: Pressure Settings

    ™ Section VIII - Power$ync II Operation Network Load Delay Time The differential between the load pressure and the unload pressure cannot be set to less than 5 PSIG. At the In multiple machine network applications, control is maximum setting for both load and unload pressures, the passed from machine to machine based on the differential will be 15 PSIG.

  • Page 37: Network Installation

    ™ Section VIII - Power$ync II Operation ™ The third consideration is the nature of air consumption Connecting Cable to the Power$ync II Circuit Board within the system itself. A system that is subject to rapid, cyclic air consumption may require a wider The first machine in the network will have one cable ™...
  • Page 38 ™ Section VIII - Power$ync II Operation 5) Remove the foil cover to expose the two internal 12) Bring another cable into the control enclosure and wires and nylon filler. Trim off the nylon filler and strip the wires as previously outlined. This second strip 3/8"...

  • Page 39: Network Voltage Tests On Power$Ync

    ™ Section VIII - Power$ync II Operation 1B Boards - On 1B boards there is no dip switch to set. There are nine positions available for machines in a Only the termination jumper at J13 needs to be set. This network (see Compressor Settings and Maintenance should be in the ON position on the compressor at the Displays, pages 45-58).

  • Page 40: Start-Up

    ™ Section VIII - Power$ync II Operation Start-up WARNING ™ The Power$ync II four-line, forty-character display provides information in English, should a problem occur. Under no circumstances, should any welding be If the operating requirements were properly noted when done on the compressor package. Welding can the machine was ordered, it will be completely ready to damage the computerized controller.
  • Page 41 ™ Section VIII - Power$ync II Operation ™ Detected problems that will prevent the Power$ync II the main power supply to the compressor and controller from allowing the compressor to operate check the connection at the temperature probe and include: the controller.
  • Page 42 ™ Section VIII - Power$ync II Operation MAJOR DIAGNOSTIC FAILURE NOTICE CORRECT PROBLEM NOW A CONTROL RELAY IS NOT DISENGAGED PRESS ENTER TO RERUN DIAGNOSTICS REFER TO YOUR SERVICE MANUAL OR CONTACT YOUR SERVICE REPRESENTATIVE This display indicates that the control relay that If the computer is unable to complete its diagnostic signals the starter to engage is not functioning check, it will display this message.
  • Page 43 ™ Section VIII - Power$ync II Operation ™ Detected problems that will not result in an unsafe computer to operate the compressor if it cannot operating condition but should be corrected as soon as find the correct checksum number in the setup possible include: information.
  • Page 44 ™ Section VIII - Power$ync II Operation NOTICE NOTICE AIR CLEANER VACUUM SWITCH FAULTY A FILTER NEEDS SERVICING REFER TO YOUR SERVICE MANUAL OR PLEASE REPLACE AS SOON AS POSSIBLE CONTACT YOUR SERVICE REPRESENTATIVE Quincy Compressors use a vacuum switch to When the differential pressure across the fluid filter determine the restriction on the inlet air filter.

  • Page 45: Start-Up Displays

    ™ Section VIII - Power$ync II Operation Start-up Displays Operational Displays Once the diagnostic program has determined that the When START is pressed, one of three displays should compressor is ready to begin operation, the following appear, depending on the mode of operation selected. If, display will prompt the user to start the machine: however, the compressor has been manually stopped and an immediate restart is attempted, one of the following...
  • Page 46 ™ Section VIII - Power$ync II Operation The normal operating displays are dependent on the Continuous Run Mode is the second primary operational mode of operation selected. These displays include: Mode and is identical to Auto Dual Mode except the compressor will not turn itself off and go into Standby STG 1 OUT TEMP______STG 2 IN TEMP______ Mode.

  • Page 47: Compressor Settings And Maintenance Displays

    ™ Section VIII - Power$ync II Operation controller will turn the machine off. Mode and Pressure Displays SHUTDOWN is pressed accidentally and the unit COMPRESSOR SETUP MENU is in the process of shutting down but has not yet MODE AND PRESSURE MENU PRESS F1 stopped, the programmed shutdown can be MAINTENANCE MENU...
  • Page 48 ™ Section VIII - Power$ync II Operation CONTINUOUS RUN CONFIGURATION The pressures at which the compressor is operating at full SET LOAD/UNLOAD PRESSURES PRESS F1 load and is unloaded are adjustable by pressing F1at the ************************************** above configuration menu. The following message will PRESS ENTER TO RETURN be displayed: Press F1 to change the load and unload pressures.
  • Page 49 ™ Section VIII - Power$ync II Operation AUTO DUAL TIMER SETUP If the selected machine ID is not in use by another TIMED STOP DELAY IN MINUTES ______ compressor on the network, pressing ENTER will be *************************************** followed by this display: PRESS ENTER TO ACCEPT VALUE PLEASE WAIT This is the time that the compressor will run in an...
  • Page 50 ™ Section VIII - Power$ync II Operation NETWORK SEQUENCE SETUP select the machine ID. Once the proper machine SEQUENCE NUMBER TO CHANGE ____ ID has been selected, press ENTER to accept. The machine ID just selected will again flash at a rapid PRESS ENTER TO ACCEPT VALUE rate.
  • Page 51 ™ Section VIII - Power$ync II Operation The following menu identifies the day of the week for When ENTER is pressed, the edited time slot will once which schedule changes are to be made and the sequence again begin to flash. that is to be scheduled.
  • Page 52 ™ Section VIII - Power$ync II Operation If the network is powered-up, but not running, or if there When F1 is pressed, the following display will appear: are only two machines on the network, the following NETWORK SEQUENCE ERASE message may be too quick to be seen. SEQUENCE NUMBER TO CLEAR PLEASE WAIT PRESS ENTER TO ACCEPT VALUE...
  • Page 53 ™ Section VIII - Power$ync II Operation LOADED HOURS _____ UNLOADED HOURS _____ Press F2 at the Compressor Setup Menu to access the HOURS SINCE LAST FLUID CHANGE _____ Maintenance Menus. There are four main Compressor ****************************************** Maintenance Menus that allow the operator to check or PRESS ENTER TO RETURN reset maintenance hourmeters, time and date, view diagnostics, and set modem baud rate.
  • Page 54 ™ Section VIII - Power$ync II Operation FLUID HOURS RESET TO 0 Press F3 at the Compressor Hourmeter Menu to access three additional menus used to reset maintenance PRESS ENTER TO RETURN hourmeters after service has been performed. To scroll through these three reset menus, use the UP and DOWN arrow keys.
  • Page 55 ™ Section VIII - Power$ync II Operation ™ Power$ync II uses military time (i.e., 8:00AM is 08:00 The control will now move to the Set Date Menu. and 2:00PM is 14:00). SET DATE MENU CURRENT DATE 00/00/00 TIME MENU TO VIEW CURRENT TIME PRESS F1 PRESS ENTER TO ACCEPT VALUE TO SET TIME AND DATE...
  • Page 56 ™ Section VIII - Power$ync II Operation HAT (2) TEMP: _______ INTER. PRESS: ________ The Control Test menu will be available only when the MAX UNLOAD: ______ MIN LOAD: ____________ compressor is in a stopped state to allow testing of the LOAD PRESS: _______ UNLOAD PRESS: ______ electrical and valve controls.
  • Page 57 ™ Section VIII - Power$ync II Operation compressor, make sure the load time seconds never Changes to the modem baud rate setting should only be go below 15 and unload time seconds are always made if the standard modem that is part of the Modem more than 2.
  • Page 58 ™ Section VIII - Power$ync II Operation Press F2 at the Compressor Diagnostic Menu to check the should be zero, or very small. If the number is operating status of the network: increasing, there is a problem in the network. The network controls the operation of machines NETWORK DIAGNOSTIC MENU 1 by comparing the average pressure reading to the...
  • Page 59 ™ Section VIII - Power$ync II Operation Press the UP arrow key at Network Diagnostic Menu 3 to The example shown indicates that the ‘A’ machine is display the network diagnostic screen: running fully loaded and has passed trim control to the right in the sequence, the ‘B’...
  • Page 60 ™ Section VIII - Power$ync II Operation Press the UP key to advance to the next menus (shown Press ENTER to return to Compressor Maintenance below) or ENTER to exit. Menu 3, and press the UP key to advance to Compressor Maintenance Menu 4.

  • Page 61: Cautionary And Shutdown Displays

    ™ Section VIII - Power$ync II Operation Cautionary and Shutdown Displays reduction in fluid flow to the gears and bearings. This reduction in flow may cause temperatures to rise, efficiencies to drop and reduced service life ™ The Power$ync II controller constantly monitors the for the airend.
  • Page 62 ™ Section VIII - Power$ync II Operation During the initial power-up diagnostic routine, the In the Network Mode, the controller continually checks controller checks for correct data concerning the for other errors. These include: compressor setup parameters. As discussed earlier, the NOTICE compressor will be prevented from running if there is an SEQUENCE DATA ERROR...
  • Page 63 ™ Section VIII - Power$ync II Operation If the controller detects temperatures above the If the controller signals the starter to engage and it does acceptable operating range of the compressor, it will not receive confirmation that the starter contacts have illuminate the appropriate LED on the schematic and closed, one of the following messages will be displayed display one of the following messages:...
  • Page 64 ™ Section VIII - Power$ync II Operation NOTICE! A potentially serious condition could exist if the main COMPRESSOR HAS SHUT DOWN motor starter does not respond to the controller’s signal to DISCHARGE RTD FAULTY OR DISCONNECTED disengage. The cooling fan motor will not stop as long as REFER TO YOUR SERVICE MANUAL the main motor is running so that cooling can be maintained in the event that the starter does not respond...
  • Page 65 ™ Section VIII - Power$ync II Operation ™ ™ The Power$ync II controller also performs continuing Power$ync II is connected to and monitors the state of checks on itself while the compressor is in operation. If the motor starter and overload. Should the controller it detects a fault, it will display one of the following two detect a fault condition or detect that a component is not messages:...
  • Page 66 ™ Section VIII - Power$ync II Operation NOTICE! CAUTION COMPRESSOR HAS SHUT DOWN STAGE 2 OF THE COMPRESSOR HAS EXCESSIVE NOTICE! HIGH STAGE 2 DISCH PRESSURE PRESSURE DIFFERENTIALS CALL SERVICE TAKE CORRECTIVE ACTION STG 1 OUT_____ STG 2 OUT _____ ENTER TO EXIT High stage 2 discharge pressure could be caused Stage 2 with excessive pressure differentials is by a clogged cooler or a failed discharge check...
  • Page 67 ™ Section VIII - Power$ync II Operation STG 1 OUT TEMP______ STG 2 IN TEMP______ NOTICE! COMPRESSOR HAS TIMED OUT AND SHUT DOWN THE STAGE 1 BLOWDOWN MUFFLER MAY BE WILL NOT RESTART AUTOMATICALLY BLOCKED PLEASE CHECK FOR OPERATION COMPRESSOR NOT IN SCHEDULED SEQUENCE COULD CAUSE OVER-PRESSURE SHUTDOWN! NOTICE! When compressors are running in Network Mode,...

  • Page 68: Shutdown Log Messages

    ™ Section VIII - Power$ync II Operation STAGE 2 IN HAT SHUTDOWN Shutdown Log Messages This indicates that a high temperature condition The shutdown log allows the operator to view service and was detected. The temperature probe at the input shutdown alarms in the reverse order of occurrence.
  • Page 69 ™ Section VIII - Power$ync II Operation MOTOR OVERLOAD WYE AUX CONTACT CLOSED The control monitors the status of the main motor This message is logged in Y-D starter and fan motor overloads. Should one of the configurations, when the controller sees an input overloads detect an amp draw that is too high, it from the auxiliary contacts when they should be will shut the compressor down and the control will...
  • Page 70 ™ Section VIII - Power$ync II Operation STG 2 DISCHARGE RTD FAILURE STG 2 TRANSDUCER FAILURE The stage two discharge RTD is the temperature The stage two pressure transducer is the pressure probe in the stage two discharge piping. The sensor located in the piping exiting the second control will log this message if it fails to receive a stage airend.
  • Page 71 ™ Section VIII - Power$ync II Operation FLUID FILTER CLOGGED FLASH CHECKSUM ERROR The control monitors the fluid filter element This message will be posted it the periodic check condition by reading the differential pressure of the flash memory sees a change from the stored across the element.

  • Page 72: Troubleshooting

    Section IX - Troubleshooting Probable Causes: Corrective Action: Failure to Start: “ON” OWER NOT TURNED URN THE POWER BY CLOSING THE MAIN DISCONNECT SWITCH OR CIRCUIT BREAKER LOWN CONTROL CIRCUIT FUSE EPLACE FUSE IND AND CORRECT CAUSE HECK FOR SHORTED OUT LIFT VALVE SOLENOID AULTY START SWITCH HECK THE SWITCH FOR MALFUNCTION OR LOOSE CONNECTIONS OOSE WIRE CONNECTIONS...
  • Page 73 Section IX - Troubleshooting Probable Causes: Corrective Action: Failure to Start (continued): ELAY BOARD COMMUNICATION FAILURE HECK CABLE AND CONNECTION ENDS OF COMMUNICATION CABLE BETWEEN RELAY BOARD AND MICROPROCESSOR NPLUG AND THEN PLUG THE CONNECTOR BACK IN AT THE RELAY BOARD AND AT THE MICROPROCESSOR BOARD ONTACT AN AUTHORIZED UINCY SERVICE TECHNICIAN AFETY CIRCUIT SHUTDOWN...
  • Page 74 Section IX - Troubleshooting Probable Causes: Corrective Action: Unscheduled Shutdown (continued): IGH PRESSURE DIFFERENTIAL HECK LIFT VALVE BLOWDOWN VALVE AND MINIMUM PRESSURE CHECK VALVE OPERATION ONTACT AN AUTHORIZED UINCY SERVICE TECHNICIAN FOR REPAIRS OOLANT FLOW SWITCH OPEN HECK COOLANT SHUT OFF VALVE AND WATER SUPPLY HERMAL MOTOR OVERLOAD RELAYS ORRECT THE CAUSE OF THE MOTOR OVERLOADED CONDITION...
  • Page 75 Section IX - Troubleshooting Probable Causes: Corrective Action: Low Air Delivery: XCESSIVE AIR DEMAND EEVALUATE AIR DEMAND NSTALL ADDITIONAL COMPRESSORS AS NEEDED XCESSIVE LEAKS IN THE SERVICE LINES HECK SERVICE LINES FOR LEAKS WITH SOAP SUDS EPAIR AS NECESSARY INIMUM PRESSURE CHECK VALVE EPAIR OR REPLACE AS NECESSARY STUCK EAKING BLOWDOWN VALVE...
  • Page 76 Section IX - Troubleshooting Probable Causes: Corrective Action: High Discharge Air Temperature (continued): HE FAN SHOULD PUSH AIR THROUGH THE COOLERS NCORRECT FAN ROTATION INCORRECT REVERSE FAN MOTOR STARTER LEADS LEAN COOLER OCATE AND CORRECT CAUSE OF LOCKED WATER FLOW OR AIR FLOW CONTAMINATION LEAN OR REPLACE AS NECESSARY LOGGED AIR FILTER...
  • Page 77 Section IX - Troubleshooting Probable Causes: Corrective Action: Compressor does not revert to Load when Service Line Pressure Drops to Reset Pressure: OOSE WIRING CONNECTION HECK AND TIGHTEN WIRING TERMINALS AULTY PRESSURE SENSOR EPAIR OR REPLACE AS NECESSARY AULTY SOLENOID EPAIR OR REPLACE AS NECESSARY AULTY TIMER HECK AND REPLACE TIMER...
  • Page 78 Section IX - Troubleshooting Probable Causes: Corrective Action: Excessive Water in Plant Air Distribution System: LOGGED MOISTURE SEPARATOR TRAP LEAN OR REPLACE AS REQUIRED NSTALLATION APPLICATION HECK OTHER COMPRESSORS ON SAME SYSTEM AULTY OR LEAKING COOLER EPLACE COOLER Pressure Relief Valve Exhausting: IR PRESSURE NOT SET CORRECTLY EADJUST AIR PRESSURE SWITCH SO THAT THE COMPRESSOR UNLOADS AT THE DESIRED PRESSURE...
  • Page 79 Section IX - Troubleshooting Probable Causes: Corrective Action: Thermal Overload Relays Tripping: OOSE SIGNAL WIRE FROM OVERLOAD HECK SIGNAL WIRE CONNECTIONS NCORRECT THERMAL OVERLOAD RELAY HECK MOTOR NAMEPLATE AND COMPARE TO OVERLOAD RELAY SETTING SETTING SPECIFICATIONS OOSE MOTOR OR STARTER WIRING HECK ALL CONNECTIONS FOR TIGHTNESS LOW VOLTAGE HECK VOLTAGE AND AMPERAGES WHILE OPERATING THE UNIT...
  • Page 80 Section IX - Troubleshooting Probable Causes: Corrective Action: Network Communication Erratic or Non-Existent: RONG COMMUNICATION CABLE SE PROPER CABLE OMMUNICATION CABLE CONNECTED TO EFER TO PAGE FOR PROPER CONNECTIONS MICROPROCESSOR INCORRECTLY AMAGED COMMUNICATION CABLE EPLACE CABLE OCKER SWITCHES SET INCORRECTLY EFER TO PAGE FOR PROPER POSITIONING ERMINATOR CONNECTED INCORRECTLY...

  • Page 81: Maintenance Schedule

    Section X- Maintenance Schedule Interval: Action: ERIODICALLY AILY OMPLETE DAILY OPERATING RECORD HOURS MAXIMUM ONITOR ALL GAUGES AND INDICATORS FOR NORMAL OPERATION HECK FLUID LEVEL IN GEARCASE BSERVE FLUID LEVEL IN BUFFING AIR AND SMOKE ELIMINATOR FILTER BOWLS RAIN FILTER BOWLS IF REQUIRED BSERVE FOR FLUID LEAKS BSERVE FOR UNUSUAL NOISE OR VIBRATION...
  • Page 82 Daily Operating Record ® Quincy Compressor - QSD™...
  • Page 83 Notes ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○...
  • Page 84 Notes ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○...
  • Page 86 Quincy Compressor Products: 217.222.7700 © 2006 Quincy Compressor, an EnPro Industries company E-mail: info@quincycompressor.com All Rights Reserved. Litho in U.S.A. Website: www.quincycompressor.com...

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