Quincy Compressor QRD Series Instruction Manual
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Quincy Compressor QRD Series Instruction Manual

Quincy Compressor QRD Series Instruction Manual

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Q R D
Q R D
Q R D
Q R D
Q R D
This manual contains important safety information and must be
carefully read in its entirety and understood prior to installation by
all personnel who install, operate and/or maintain this product.
® ® ® ® ®
Series
Series
Series
Series
Series
Instruction Manual
Manual No. 50118-105
October 2004 Edition

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Summary of Contents for Quincy Compressor QRD Series

  • Page 1 Q R D Q R D ® ® ® ® ® Series Series Q R D Series Q R D Q R D Series Series Instruction Manual This manual contains important safety information and must be carefully read in its entirety and understood prior to installation by all personnel who install, operate and/or maintain this product.

  • Page 3: Table Of Contents

    REFERENCE INFORMATION REFERENCE INFORMATION SECTION 7 SECTION 7 SECTION 7 REFERENCE INFORMATION REFERENCE INFORMATION REFERENCE INFORMATION Approximate Capacity Correction for Altitude ....................35 Decal Locations ..............................36 QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...

  • Page 4: Warranty

    QRD SERIES AIR COMPRESSORS GENERAL PROVISIONS Quincy Compressor (“The Seller”) warrants to each original retail purchaser (“Purchaser”) products of the Seller’s own manufacture against defects in material and workmanship. With respect to products not manufactured by Seller, Seller will, if practical, pass along the warranty of the original manufacturer.

  • Page 5: Safety First

    SAFETY Safety First At Quincy Compressor safety is not only a primary concern, but a faithfully performed practice. Beginning with the design stage, safety is built into “The World’s Finest Compressor”. It is the intention of this manual to pass along the “safety first”...
  • Page 6 Quincy Compressor neither states as fact, nor in any way implies that the above list of safety precautions is an all inclusive list, the observance of which will prevent all damage to property or injury to personnel.

  • Page 7: Summary Of Changes

    Every effort has been taken to ensure that complete and correct instructions have been included in this manual. However, possible product updates and changes may have occurred since this printing. Quincy Compressor reserves the right to change specifications without incurring any obligation for equip- ment previously or subsequently sold.

  • Page 8: System Dynamics

    Fan blades of the compressor sheave force ambient air across fins of a discharge manifold and the cylinder heads, and intercooler fins of two stage compressors, to cool the compressor. QRD series compressors are normally set up at the factory with a sheave that turns in a counterclockwise rotation (refer to directional arrow on sheave).

  • Page 9: Principles Of Dryers & Filters

    SINGLE STAGE QRDS SINGLE STAGE QRDS SINGLE STAGE QRDS SINGLE STAGE QRDS SINGLE STAGE QRDS WP1781B Fig. 2-1 Control Version L Schematic (start/stop operation) QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...

  • Page 10: Single Stage

    To operate the com- pressor in the continuous run mode, turn the knurled knob on the pilot Fig. 2-3 Control Version LVD Schematic WP1768A valve out. (dual control operation) QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...
  • Page 11 TWO STAGE TWO STAGE TWO STAGE QRDT QRDT QRDT QRDT QRDT Fig. 2-5 Control Version SV Schematic WP1768D1 (solenoid valve dual control operation; base mount unit) QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...
  • Page 12 TWO STAGE TWO STAGE TWO STAGE TWO STAGE TWO STAGE QRDT QRDT QRDT QRDT QRDT Fig. 2-7 Control Version SVD Schematic WP1768E (solenoid valve auto-demand control operation) QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...
  • Page 13 Wiring Schematic user’s responsibility to wire an hourmeter, pro- vided by the seller, into the control system, see Fig. 2-7, Hourmeter Wiring Schematic.) QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...

  • Page 14: Specifications

    20 h.p. = 315 lbs. ·Compressor with Flywheel 15 h.p. = 415 lbs. 20 h.p. = 450 lbs. * Cubic Feet per Revolution x RPM = CFM QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...
  • Page 15 1 npt (female) ·Discharge Manifold Connections 1 npt (female) ·Bare Compressor Weight 310 lbs. ·Compressor with Flywheel 445 lbs. * Cubic Feet per Revolution x RPM = CFM QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...
  • Page 16 2 npt (female) ·Discharge Manifold Connections npt (female) ·Bare Compressor Weight 518 lbs. ·Compressor with Flywheel 680 lbs. * Cubic Feet per Revolution x RPM = CFM QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...

  • Page 17: Installation

    The successful and efficient operation of compressor equipment depends largely upon the amount of care taken to install and maintain the equipment. Quincy Compressor strongly recommends that any or all person(s) in charge of install- ing, maintaining, or servicing one of our compressors read and understand the entire contents of this manual in order to perform such duties safely and efficiently.

  • Page 18: Location

    Excessive crankcase moisture could result in undue wear, unecessary maintenance and reduced performance. Indoor installa- tion of QRD Series compressors is recommended. If it is necessary to install the compressor outside, it must be protected from rain and other sources of moisture.

  • Page 19: Electrical Supply Requirements

    High voltage may cause personal injury or death. Disconnect and DANGER ! lockout/tagout per OSHA regulation 1910.147 all electrical power supplies before opening the electrical enclosure or servicing. QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...

  • Page 20: Mounting

    (refer to SECTION 5, Pulley / Sheave Align- ment & Belt Tension). Improper pulley/sheave alignment and belt tension can cause motor overloading, excessive vibration, and premature belt and/or bearing failure. QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...
  • Page 21 ASME B19 safety standards. Failure to DANGER ! provide properly sized pressure relief valves may cause property damage, severe personal injury or even death. QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...

  • Page 22: Induction System

    100°F, water, or extremely dirty air could be ingested. These types of atmospheres could adversely affect the performance of the compressor system. QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...

  • Page 23: Compressed Air Discharge System

    An automatic drain valve is recommended. Extend drain valve piping away from the unit and any personnel in the immediate area to provide safe and convenient removal of excess moisture. QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...
  • Page 24 30 p.s.i.g. of air pressure! Never attempt to relieve an air tank by removing a pipe plug or any WARNING ! other system component! QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...
  • Page 25 Open the drain valve and allow the moisture and air mixture to drain from the tank. Step 4) Once the moisture has been completely drained, close the drain valve. QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...

  • Page 26: Start-Up And Operation

    (QRDT-30 models only - refer to QRDT-30 parts manual for wiring instructions). Step 12) After all the above conditions have been satisfied, the unit can be connected to the proper power source. QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...

  • Page 27: Initial Starting & Operating

    If there are any questions regarding any part of the instruc- tions, please call your local Quincy distributor, or the Quincy Compressor factory. With the pre-starting checklist completed and satisfied, start the compres- sor.
  • Page 28 Check system pressure. Step 5) Check cooling fan. Step 6) Check all pressure relief valves for proper operation. Step 7) Check control system for proper operation. QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...

  • Page 29: Maintenance

    Scheduled maintenance intervals are rated for continuous duty operation at maximum pressure capability of the compressor. The service interval can vary with duty cycle, speed and operating pressure. QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...

  • Page 30: Pulley / Sheave Alignment & Belt Tension

    Step-by-step procedures are provided here to correctly measure and set the drive Fig. 5-1 belt tension: Pix 1152 Setting Belt Tension QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...

  • Page 31: Pressure Switch Adjustment

    Screw the Fig. 5-3 Pressure Switch Pix 1067 spring loaded adjustment screw out (counterclock- QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...

  • Page 32: Torque Specifications

    Standard pressure switches supplied by Quincy Compressor are equipped with a fixed 20 PSIG (approx.) differential. Optional switches include both pressure and differential adjustment capabilities.

  • Page 33: Pilot Valve Adjustments

    Step 5. Loosen locknut (counterclock- to Step 7. wise). * Stabilize with back-up wrench! Step 7. Tighten locknut (clockwise) with wrench. * Stabilize with back-up wrench! QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...

  • Page 34: Troubleshooting

    Defective pressure switch •Moisture buildup on the pressure switch diaphragm •Ruptured diaphragm •Burned contact points •Plugged air passage from the receiver to the pressure switch •Loose electrical connection QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...
  • Page 35 •Piston loose in cylinder bore, cylinder bore worn, piston or piston rings worn •Worn rods or main bearing •Wrong pressure setting, discharge pressure excessive •Loose pulley/sheave •Compressor valve assemblies loose QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...
  • Page 36 CONTINUE TO PUSH THE RESET •Loose or broken wire BUTTON! Contact your local Quincy •Motor defective distributor for assistance. •Compressor seized Motor stalls •Motor overloaded (refer to Excessive current draw) QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...

  • Page 37: Reference Information

    The result will be the actual capacity (CFM) of the compressor at the given altitude. QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...

  • Page 38: Decal Locations

    Decal Locations Typical Two Stage QRD Base Mounted Unit QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...
  • Page 39 Typical Two Stage QRD Simplex Base Mounted Unit QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...
  • Page 40 Typical Two Stage QRD Simplex Tank Mounted Unit QRD Series Quincy Compressor 50118-105, October 2004 3501 Wismann Lane, Quincy IL - 62305-3116...
  • Page 41 ENVIROMENTAL AND OSHA REQUIREMENTS: At the time of ship- strikes, labor difficulties, acts of governmental or military authorities, delays ment of the equipment from the factory, Quincy Compressor / Ortman Fluid in transportation or procuring materials, or causes of any kind beyond Seller’s Power will comply with the various Federal, State and local laws and control.
  • Page 44 Air Master Air Master 217.277.0270 Air Master Air Master E-mail: E-mail: E-mail: E-mail: E-mail: info@quincycompressor.com W W W W W ebsite: ebsite: ebsite: ebsite: ebsite: quincycompressor.com © 2006 Quincy Compressor, an EnPro Industries company quincyairmaster.com All Rights Reserved. Litho in U.S.A.

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