Puregas P6500W User Manual
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Puregas P6500W User Manual

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P6500W Air Dryer
User's Guide
P010452 – Rev. Q

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  • Page 1 P6500W Air Dryer User’s Guide P010452 – Rev. Q...

  • Page 3: Welcome & Congratulations

    P6500W Air Dryer User’s Guide 1. Welcome & Congratulations Congratulations on your purchase of a new PUREGAS P6500W Air Dryer! We here at PUREGAS are very proud of our products and we are committed to providing you with the best value and service possible.

  • Page 4: Table Of Contents

    PUREGAS, LLC P6500W Air Dryer User’s Guide 3. Table of Contents   8.13 Setting the Outlet Pressure ...... 40   1. Welcome & Congratulations ......3   8.14 Engaging the Boost Transformer .... 41   2. Introduction ............. 3  ...
  • Page 5 PUREGAS, LLC P6500W Air Dryer User’s Guide   11.7 Ordering Parts from PUREGAS ..... 71 13.17 Compressor Excessive Run Time   Alarm .............. 81   12. Service & Repair .......... 72 13.18 Can’t Create a Compressor Excessive   12.1 Services Offered ........72  ...

  • Page 6: Safety & Warning Information

    PUREGAS, LLC P6500W Air Dryer User’s Guide 4. Safety & Warning Information This section contains general information about safety and warning points to consider and adhere to during installation, operation, and maintenance of your air dryer. PLEASE READ THIS SECTION BEFORE PERFORMING ANY OPERATION OR PROCEDURE ON YOUR AIR DRYER.
  • Page 7 PUREGAS, LLC P6500W Air Dryer User’s Guide WARNING! High Noise. PUREGAS air dryers are meant to be installed in an unattended area. CAUTION! Proper Installation & Maintenance as outlined in this User’s Guide is extremely important to ensure the reliability and longevity of the equipment as well as prevent damage or personal injury.

  • Page 8: Overview & Specifications

    5. Overview & Specifications 5.1 Product Description The P6500W Air Dryer from PUREGAS is designed to intake wet ambient air and remove the moisture for delivery to applications requiring a constant, on-demand source of dry, pressurized air. This process is fully automatic and will remain consistent with minimal required periodic maintenance.

  • Page 9: Key Features

    PUREGAS, LLC P6500W Air Dryer User’s Guide 5.2 Key Features  LCD display of all operating parameters  Accurate humidity sensing within 0.1% RH  Redundant system for internal backup from one system to the other  Quietest dryer on the market ...

  • Page 10: Dryer Function Overview

    PUREGAS, LLC P6500W Air Dryer User’s Guide 5.4 Dryer Function Overview Component Description Compressor Compresses drawn in ambient air. Precooler Cools compressed air prior to drying function. Unloader Valve Relieves excess compressor head pressure. Heatless Dryer Removes moisture from compressed air.

  • Page 11: Installing Your Dryer

    It is highly recommended that you remove all jewelry before performing any procedures. WARNING! High Noise. Puregas air dryers are meant to be installed in an unattended area. CAUTION! Proper Installation & Maintenance as outlined in this User’s Guide is extremely important to ensure the reliability and longevity of the equipment as well as prevent damage or personal injury.

  • Page 12: Before You Begin

    PUREGAS is NOT RECOMMENDED AND MAY VOID THE WARRANTY. IMPORTANT! Installation of PUREGAS air dryers are intended for network telecommunication facilities (non-customer premises) only. 6.2 Before You Begin 6.2.1 Carefully inspect the unit, including the shipping box as well as the air dryer, for ANY DAMAGE CAUSED BY SHIPPING.

  • Page 13: Included Contents

    PUREGAS, LLC P6500W Air Dryer User’s Guide 6.3 Included Contents (1) P6500W Air Dryer (1) Installation Guide (not shown) Package located inside the dryer: (1) User’s Guide (not shown) (2) Purge Mufflers 6.4 Required Tools and Materials  Large adjustable wrench ...
  • Page 14 PUREGAS, LLC P6500W Air Dryer User’s Guide 6.5.3 Remove the front panel. 6.5.4 Check for loose parts, hoses, or wiring. NOTE: If ANY SHIPPING DAMAGE is detected, file a claim with the shipping company prior to continuing the installation procedures.
  • Page 15 PUREGAS, LLC P6500W Air Dryer User’s Guide On BACK of dryer: 6.5.7 Verify that the red orifice plug is still installed where shown. 6.5.8 Install the two (2) purge mufflers (shipped loose). 6.5.9 Verify that the dryer is powered OFF.
  • Page 16 PUREGAS, LLC P6500W Air Dryer User’s Guide 6.5.12 Verify incoming voltage measurement: 6.5.12.1 Locate the Main POWER Circuit Breaker. 6.5.12.2 Use a Voltmeter to measure the voltage by placing the probes between the Circuit Breaker and terminal insulation so that they touch the metal contacts.
  • Page 17 PUREGAS, LLC P6500W Air Dryer User’s Guide 6.5.13.2 Locate the Main Power Lead quick disconnects in the top section of the dryer. 6.5.13.3 Unplug the Main Power Lead quick disconnects. 6.5.13.4 Plug both of the Boost Transformer Lead connectors into the Main Power Lead connectors.
  • Page 18 PUREGAS, LLC P6500W Air Dryer User’s Guide 6.5.13.5 Plug the power cord back into the power outlet. 6.5.14 Reinstall the Top Cover back onto the dryer. 6.5.15 Turn the dryer power ON. NOTE: Both system compressors and heatless dryers will start, creating air flow through the red outlet pressure orifice.
  • Page 19 PUREGAS, LLC P6500W Air Dryer User’s Guide 6.5.16.2 Turn the knob until the reading on the pressure gauge is 50 PSI. 6.5.16.3 Push the knob in to lock. 6.5.17 Let the dryer run until the Humidity drops under 2% on both System 1 and System 2 (may take up to 15 minutes).
  • Page 20 CAUTION: Be careful when removing outlet plug. System may be pressurized. PUREGAS recommends using Installation Kit P011752 to connect your dryer to the air supply line (See section 11.6 for detail). 6.5.20 Turn the dryer ON. 6.5.21 Set the Static Pressure: 6.5.21.1 Pull Static Pressure...
  • Page 21 PUREGAS, LLC P6500W Air Dryer User’s Guide 6.5.22 Set the Outlet Pressure: 6.5.22.1 When the Unit Screen (8.4.5.1 ) appears on the display, press the HOLD Button on the Front Panel to freeze that screen. 6.5.22.2 Pull the Outlet Pressure Regulator knob out.
  • Page 22 PUREGAS, LLC P6500W Air Dryer User’s Guide With Compressor(s) running: 6.5.23.2 Use a 1-inch paint brush to dab soapy water on the air fitting or hose connection to be tested. If air bubbles appear at the connection, this indicates that air is leaking from the connection.

  • Page 23: Installation Checklist

    PUREGAS, LLC P6500W Air Dryer User’s Guide 6.6 Installation Checklist  No shipping damage was detected.  Dryer location meets the following requirements: o Well ventilated o Free from abrasive dust or chemicals o Ambient temperature is between 40° and 85° F (optimal) ...

  • Page 24: Registering Your Dryer

    P6500W Air Dryer User’s Guide 7. Registering Your Dryer Please take a moment to register your PUREGAS P6500W Air Dryer. Registering is necessary to activate the Limited Warranty on your product. Once you register, you are eligible to receive free technical support, as well as updates concerning your PUREGAS products.

  • Page 25: Operating Your Dryer

    WARNING! High Noise. Puregas air dryers are meant to be installed in an unattended area. CAUTION! Observe precautions for handling Electrostatic Sensitive Devices.

  • Page 26: Connecting Air Lines To The Dryer

    CAUTION: Be careful when removing outlet plugs. System may be pressurized. PUREGAS recommends using Installation Kit P011752 to connect your air dryer to the air supply line (See section 11.6 for detail). 8.3 Powering the Dryer ON & OFF 8.3.1 POWER Circuit Breaker - Controls the main power to the dryer.

  • Page 27: Using The Front Panel Display

    PUREGAS, LLC P6500W Air Dryer User’s Guide 8.4 Using the Front Panel Display CAUTION! The Display Screen is covered by a clear protective layer that guards against Electrostatic Discharge (ESD). DO NOT REMOVE THIS LAYER. 8.4.1 RESET Button – Clears an alarm and allows the system to continue operating.
  • Page 28 PUREGAS, LLC P6500W Air Dryer User’s Guide 8.4.4 Arrow Buttons – Used to access, navigate, and change values in the Set Point Adjust screens. 8.4.5 Display Screen - Shows the current dryer readings. Will cycle between the following information screens (unless the HOLD button has been pressed): 8.4.5.1 Tank Screen...
  • Page 29 PUREGAS, LLC P6500W Air Dryer User’s Guide 8.4.5.3 System Screens (System* = System 1 or System 2) SYSTEM* - Running Status of System*:  ON – System* is Online in the dryer cycle mode.  STANDBY – System* is not Online in the dryer cycle mode.

  • Page 30: Identifying Dryer Alarms

    PUREGAS, LLC P6500W Air Dryer User’s Guide 8.5 Identifying Dryer Alarms 8.5.1 High Outlet Pressure Alarm - Occurs when the Outlet Pressure (OUTP) rises above the alarm set point for more than one (1) minute. (Default setting is 12.0 PSI) See section 13.5 for troubleshooting information.
  • Page 31 PUREGAS, LLC P6500W Air Dryer User’s Guide 8.5.5 High Cabinet Temperature Alarm - Occurs when the temperature in the upper circuit board compartment rises above 140°F for more than one (1) minute. If this alarm is present for one (1) minute or more, the air dryer will go into SHUTDOWN mode to protect against damage due to overheating.

  • Page 32: Adjusting & Resetting Dryer Set Points

    PUREGAS, LLC P6500W Air Dryer User’s Guide 8.6 Adjusting & Resetting Dryer Set Points Dryer Set Points are simply limits programmed for a specific reading. Once this limit is reached (or exceeded) this results in an alarm for that reading. Each of these set points is factory programmed with a default value based on typical usage of the air dryer.
  • Page 33 PUREGAS, LLC P6500W Air Dryer User’s Guide 8.6.2 High Outlet Pressure Alarm Set Point (default setting is 12 PSI) – 8.6.2.1 Press the Right () Arrow Button to access the Change Value Screen. 8.6.2.2 Press the Right () & Left () Arrow Buttons to move the underscore beneath the digit to change.
  • Page 34 PUREGAS, LLC P6500W Air Dryer User’s Guide 8.6.4 High Humidity Alarm Set Point (default setting is 10.0%) – 8.6.4.1 Press the Right () Arrow Button to access the Change Value Screen. 8.6.4.2 Press the Right () & Left () Arrow Buttons to move the underscore beneath the digit to change.
  • Page 35 PUREGAS, LLC P6500W Air Dryer User’s Guide 8.6.6 Cycle Time Set Point – The Cycle Time represents the progress of the air dryer through a 24 hour cycle (00:00 – 23:59). The air dryer will cycle when the timer reaches 00:00.
  • Page 36 PUREGAS, LLC P6500W Air Dryer User’s Guide 8.6.8 System 2 Compressor Total Hour Reset – 8.6.8.1 Press and Hold the Left () & Right () Arrow Buttons at the same time until the value resets to zero (0). 8.6.9 Reset to Factory Values –...

  • Page 37: Opening Panels

    PUREGAS, LLC P6500W Air Dryer User’s Guide 8.7 Opening Panels 8.7.1 Removing Top Cover – 8.7.1.1 Depress the latches and pull the Top Cover off. 8.7.2 Removing Front Panel – 8.7.2.1 Depress the latches and pull the Front Panel out.

  • Page 38: Connecting To Discrete Alarm Terminals

    PUREGAS, LLC P6500W Air Dryer User’s Guide 8.9 Connecting to Discrete Alarm Terminals 8.9.1 Connect the external wire pair to the specific alarm terminal. 8.10 Depressurizing the Dryer 8.10.1 Remove Front Panel (see section 8.7.2 ) 8.10.2 Pull the ring handle on the Safety Relief Valve until all air pressure is released.

  • Page 39: Setting The System Pressure

    PUREGAS, LLC P6500W Air Dryer User’s Guide 8.11 Setting the System Pressure System 1 & System 2 are adjusted and set independently. With Compressor running: 8.11.1 Remove Front Panel (see section 8.7.2 ) 8.11.2 Pull the Capacity Control Valve knob out.

  • Page 40: Setting The Static Pressure

    PUREGAS, LLC P6500W Air Dryer User’s Guide 8.12 Setting the Static Pressure 8.12.1 Remove Front Panel (see section 8.7.2 ) 8.12.2 Pull Static Pressure Regulator knob out. 8.12.3 Turn knob until the reading on the pressure gauge is 17 PSI.

  • Page 41: Engaging The Boost Transformer

    PUREGAS, LLC P6500W Air Dryer User’s Guide 8.13.3 Pull the Outlet Pressure Regulator knob out. 8.13.4 Turn knob until Outlet Pressure (OUTP) reading is at the desired setting. 8.13.5 Push knob in to lock. 8.13.6 Reinstall Front Panel. 8.14 Engaging the Boost Transformer 8.14.1 Turn the dryer OFF.
  • Page 42 PUREGAS, LLC P6500W Air Dryer User’s Guide 8.14.4 Locate the Main Power Lead quick disconnects in the top section of the dryer. 8.14.5 Unplug the Main Power Lead quick disconnects. 8.14.6 Plug both of the Boost Transformer Lead connectors into the Main Power Lead connectors.
  • Page 43 PUREGAS, LLC P6500W Air Dryer User’s Guide 8.14.7 Reinstall the Top Cover back the dryer. 8.14.8 Plug the power cord back into the power outlet. 8.14.9 Turn the dryer ON. Page 43 of 88 P010452 – Rev. Q...

  • Page 44: Testing Your Dryer

    WARNING! High Noise. Puregas air dryers are meant to be installed in an unattended area. CAUTION! Observe precautions for handling Electrostatic Sensitive Devices.

  • Page 45: Measuring Compressor Amp Draw

    PUREGAS, LLC P6500W Air Dryer User’s Guide 9.2 Measuring Compressor Amp Draw WARNING! Internal surfaces may be hot. Use care when coming into contact with internal components as there is a potential for some these components to become hot when in operation or standby.

  • Page 46: Measuring Voltage To Compressor

    PUREGAS, LLC P6500W Air Dryer User’s Guide 9.3 Measuring Voltage to Compressor WARNING! Extreme care should be exercised to avoid contact with live electrical circuits. It is highly recommended that you remove all jewelry before performing any procedures. 9.3.1 Remove Front Panel (see section 8.7.2 ) With the Compressor running: 9.3.2 Locate the power lead wires...

  • Page 47: Measuring Incoming Voltage

    PUREGAS, LLC P6500W Air Dryer User’s Guide 9.4 Measuring Incoming Voltage WARNING! Extreme care should be exercised to avoid contact with live electrical circuits. It is highly recommended that you remove all jewelry before performing any procedures. 9.4.1 Remove Top Cover (see section 8.7.1 ) 9.4.2 Locate the Main POWER...

  • Page 48: Measuring Voltages At Solid State Relay

    PUREGAS, LLC P6500W Air Dryer User’s Guide 9.5 Measuring Voltages at Solid State Relay 9.5.1 Remove Top Cover (see section 8.7.1 ) 9.5.2 Locate the Solid State Relay for the system you will be testing:  Left – System 1 ...

  • Page 49: Testing Consistent Heatless Dryer Cycling

    PUREGAS, LLC P6500W Air Dryer User’s Guide 9.6 Testing Consistent Heatless Dryer Cycling With the System* Compressor running (System* = System 1 or System 2): 9.6.1 Remove Front Panel (see section 8.7.2 ) 9.6.2 Disconnect the purge tubes from the System* Heatless Dryer.

  • Page 50: Testing Unloader Valve

    PUREGAS, LLC P6500W Air Dryer User’s Guide 9.7 Testing Unloader Valve With the System* Compressor running (System* = System 1 or System 2): 9.7.1 Remove Front Panel (see section 8.7.2 ) 9.7.2 Disconnect the unloader tube from the System* Unloader Valve.

  • Page 51: Measuring Heatless Dryer Solenoid Voltage

    PUREGAS, LLC P6500W Air Dryer User’s Guide 9.8 Measuring Heatless Dryer Solenoid Voltage With the System* Compressor running (System* = System 1 or System 2): 9.8.1 Remove Front Panel (see section 8.7.2 ) 9.8.2 Locate the Heatless Dryer Cycle Timer.

  • Page 52: Testing Precooler Fans

    PUREGAS, LLC P6500W Air Dryer User’s Guide 9.9 Testing Precooler Fans 9.9.1 Remove Front Panel (see section 8.7.2 ) 9.9.2 Place your hand above the Precooler Fan(s) to feel for air being blown upwards. 9.9.3 Reinstall Front panel. If either fan is not blowing air upwards as described: ...

  • Page 53: Testing Compressor On/Off Cycling

    PUREGAS, LLC P6500W Air Dryer User’s Guide 9.11 Testing Compressor ON/OFF Cycling 9.11.1 Remove Front Panel (see section 8.7.2 ) 9.11.2 When the Unit Screen (8.4.5.1 ) appears on the display, press the HOLD Button on the Front Panel to freeze that screen.

  • Page 54: Time Alarms

    PUREGAS, LLC P6500W Air Dryer User’s Guide 9.12 Testing Compressor Excessive Run Time Alarms NOTE: All testing values are based on default Air Dryer settings, if settings have been changed, adjust testing values accordingly. Reference the Appendix Section 14.2 for Limits and Defaults.

  • Page 55: Testing Humidity Alarm And System Shutdown

    PUREGAS, LLC P6500W Air Dryer User’s Guide 9.13 Testing Humidity Alarm and System Shutdown NOTE: For this test, make sure the air dryer is operating in BOTH Cycle Mode (see section 8.4.2 for details on changing Cycle Mode). Test one System at a time (System* = System 1 or System 2).
  • Page 56 PUREGAS, LLC P6500W Air Dryer User’s Guide 9.13.5 Unscrew and remove the Humitter from the Humidity Block. 9.13.6 Allow the Humidity reading to rise over 10.0%. 9.13.7 After three (3) minutes, verify that a Humidity Alarm appears and System* goes into SHUTDOWN mode.

  • Page 57: Testing High Outlet Pressure Alarm

    PUREGAS, LLC P6500W Air Dryer User’s Guide 9.14 Testing High Outlet Pressure Alarm 9.14.1 Remove Front Panel (see section 8.7.2 ) 9.14.2 When the Unit Screen (8.4.5.1 ) appears on the display, press the HOLD Button on the Front Panel to freeze that screen.

  • Page 58: Testing Low Outlet Pressure Alarm

    PUREGAS, LLC P6500W Air Dryer User’s Guide 9.14.6 Turn Outlet Pressure Regulator knob counter- clockwise until Outlet Pressure (OUTP) reading lowers to the reading recorded in step 9.14.3 9.14.7 Push knob in to lock. 9.14.8 Press the RESET Button to clear the alarm.
  • Page 59 PUREGAS, LLC P6500W Air Dryer User’s Guide With Compressor(s) running: 9.15.4 Pull the Outlet Pressure Regulator knob out. 9.15.5 Turn knob counter- clockwise until Outlet Pressure (OUTP) reading drops below 6.5 PSI. After one (1) minute, the Low Pressure Alarm should appear on the display.

  • Page 60: Testing Air Fittings & Hoses For Leaks

    PUREGAS, LLC P6500W Air Dryer User’s Guide 9.16 Testing Air Fittings & Hoses for Leaks NOTE: This is a general procedure that can be applied to any fitting or hose that has air pressure in it. DO NOT SOAP TEST THE HUMITTER FITTING.

  • Page 61: Maintaining Your Dryer

    P6500W Air Dryer User’s Guide 10. Maintaining Your Dryer In order to ensure that your P6500W Air Dryer continues to operate efficiently and reliably, PUREGAS recommends performing the following maintenance procedures at the specified Six Month / 8,000 Hour / and 16,000 Hour intervals.
  • Page 62 Control Board without depressurizing the air dryer first, or damage to the Control Board will occur. WARNING! High Noise. Puregas air dryers are meant to be installed in an unattended area. CAUTION! Observe precautions for handling Electrostatic Sensitive Devices.

  • Page 63: Six Month Maintenance

    PUREGAS, LLC P6500W Air Dryer User’s Guide 10.2 Six Month Maintenance MODEL: P6500W LOCATION NAME: SERIAL NUMBER: ADDRESS: DATE INSTALLED: Maintenance Interval (Months) Procedure Section      Install Six Month Maintenance Kit P011766 11.6 Read & Record Flow Rate (FLOW) 8.4.5.1...

  • Page 64: 16,000 Hour Maintenance

    PUREGAS, LLC P6500W Air Dryer User’s Guide 10.3 8,000 & 16,000 Hour Maintenance Under typical operating conditions: 8,000 hours of run time will occur between one (1) and two (2) years of use. 16,000 hours of run time will occur between two (2) and three (3) years of use.

  • Page 65: Replacement Parts & Accessories

    PUREGAS, LLC P6500W Air Dryer User’s Guide 11. Replacement Parts & Accessories 11.1 Top Section Parts Recommend Description Part Number Quantity Spare  (1) Solid State Relay P010562 Terminal Block P010200 Front Panel Display Assembly P010478 LCD Display Only P012105 ...

  • Page 66: Middle Section Parts

    PUREGAS, LLC P6500W Air Dryer User’s Guide 11.2 Middle Section Parts Recommend Description Part Number Quantity Spare Boost Transformer P012772 Heatless Dryer Assembly See section11.3 for detail. Pressure Gauge (0-30 PSI) P011339  (1) Static Pressure Regulator P013203 Adapter Plate...

  • Page 67: Heatless Dryer Assembly Parts

    PUREGAS, LLC P6500W Air Dryer User’s Guide 11.3 Heatless Dryer Assembly Parts Recommend Description Part Number Quantity Spare Heatless Dryer P010196 Pressure Gauge P010695 Solenoid Valve In Kit P011813. See section 11.6 for detail. Unloader Valve P010453 Cycle Timer P010490...

  • Page 68: Lower Section Parts

    PUREGAS, LLC P6500W Air Dryer User’s Guide 11.4 Lower Section Parts Recommend Description Part Number Quantity Spare Compressor Temperature Sensor P010507 Muffler – 3/8 mpt In Kit P011766. See section 11.6 for detail. Air Compressor Assembly*  (1) Left Side P013263 ...

  • Page 69: Frame Section Parts

    PUREGAS, LLC P6500W Air Dryer User’s Guide 11.5 Frame Section Parts Recommend Description Part Number Quantity Spare Top Cover Front Panel Air Intake Filter In Kit P011766. See section 11.6 for detail. Purge Muffler In Kit P011766. See section 11.6 for detail.

  • Page 70: Accessories For Your Dryer

    PUREGAS, LLC P6500W Air Dryer User’s Guide 11.6 Accessories for Your Dryer Recommend Description Part Number Spare Installation Kit P011752 Includes fittings required to connect to 3/4” flexible hose. Six Month Maintenance Kit  (2) P011766 Includes air intake filter, compressor mufflers, and purge mufflers.

  • Page 71: Ordering Parts From Puregas

    User’s Guide and will not be covered. Please refer to the information included with the specific replacement part for this instruction. Once you have identified your required parts and accessories, contact the PUREGAS Inside Sales / Service department to order: (800) 521-5351 (option 2) Fax –...

  • Page 72: Service & Repair

    PUREGAS, LLC P6500W Air Dryer User’s Guide 12. Service & Repair Only PUREGAS can offer factory direct rebuilds backed by a 6 month factory warranty.  2 week turnaround time  Estimates available upon request  Minimum service charge fee applies 12.1 Services Offered...

  • Page 73: Troubleshooting Your Dryer

    PLEASE READ THIS SECTION FIRST. It is important that you use the following sections in order to diagnose and attempt to fix the problem with your air dryer before placing a call to PUREGAS Technical Support. This troubleshooting guide is intended to simplify the isolation of problems, present possible causes, provide test procedures for verification, and suggest corrective actions to restore the air dryer back to normal operation.
  • Page 74 Do not test the Humitter with an ohm meter or apply any DC voltage. This will render the humitter defective. WARNING! High Noise. Puregas air dryers are meant to be installed in an unattended area. CAUTION! Observe precautions for handling Electrostatic Sensitive Devices.

  • Page 75: Air Dryer Won't Power On

    PUREGAS, LLC P6500W Air Dryer User’s Guide 13.3 Air Dryer Won’t Power ON Possible Cause Check Corrective Action Circuit Breaker(s) in Verify all three (3) Move all three (3) OFF position Circuit Breakers are in Circuit Breakers to ON ON position position (section 8.3 )

  • Page 76: Can't Create A High Pressure Alarm

    PUREGAS, LLC P6500W Air Dryer User’s Guide 13.6 Can’t Create a High Pressure Alarm Possible Cause Check Corrective Action Defective Outlet Verify that the Outlet Replace Outlet Pressure Pressure Regulator Pressure Regulator can Regulator if unable to be adjusted adjust pressure (section (section 8.13 )

  • Page 77: Can't Create A Low Pressure Alarm

    PUREGAS, LLC P6500W Air Dryer User’s Guide 13.8 Can’t Create a Low Pressure Alarm Possible Cause Check Corrective Action Defective Outlet Verify that the Outlet Replace Outlet Pressure Pressure Regulator Pressure Regulator can Regulator if unable to be adjusted adjust pressure (section (section 8.13 )

  • Page 78: High Humidity

    PUREGAS, LLC P6500W Air Dryer User’s Guide 13.11 High Humidity CAUTION! Do not test the Humitter with an ohm meter or apply any DC voltage. This will render the humitter defective. Possible Cause Check Corrective Action Low System Pressure Verify System Pressure Adjust System Pressure (section 8.11 )

  • Page 79: Can't Create A High Humidity Alarm / Shutdown

    PUREGAS, LLC P6500W Air Dryer User’s Guide 13.12 Can’t Create a High Humidity Alarm / Shutdown These troubleshooting steps assume that the Humitter is removed from the Humidity Block during the Testing Humidity Alarm and System Shutdown (section 9.13 ) procedures.

  • Page 80: Compressor Won't Build Pressure

    PUREGAS, LLC P6500W Air Dryer User’s Guide 13.14 Compressor Won’t Build Pressure Possible Cause Check Corrective Action Low System Pressure Verify System Pressure Adjust System Pressure (section 8.11 ) to 50 PSI (section 8.11 ) Defective Unloader Test Unloader Valve...

  • Page 81: High Compressor Temperature

    PUREGAS, LLC P6500W Air Dryer User’s Guide 13.16 High Compressor Temperature Possible Cause Check Corrective Action Fan Failure Verify both fans are Check for loose fan running (section 9.9 ) wiring (section 14.1 ) Replace defective fan (section 11.2 )

  • Page 82: Compressor Excessive Run Time

    PUREGAS, LLC P6500W Air Dryer User’s Guide 13.18 Can’t Create a Compressor Excessive Run Time Alarm Possible Cause Check Corrective Action Compressor Excessive Verify Excessive Allow the compressor to Run Time Alarm set Compressor Run Time run longer than the...

  • Page 83: Contacting Puregas Technical Support

    P6500W Air Dryer User’s Guide 13.21 Contacting PUREGAS Technical Support Please read the Before You Call PUREGAS (section 13.1 ) Once you have exhausted all of the potential problems and solutions covered in the Troubleshooting Your Dryer section, and you still require further assistance to correct...

  • Page 84: Appendix

    PUREGAS, LLC P6500W Air Dryer User’s Guide 14. Appendix 14.1 Wiring Diagram Page 84 of 88 P010452 – Rev. Q...

  • Page 85: Set Point Limits And Defaults

    PUREGAS, LLC P6500W Air Dryer User’s Guide 14.2 Set Point Limits and Defaults 14.2.1 System Adjustments Minimum Maximum Default Unit of Description Value Value Value Measurement System Pressures 48.0 52.0 50.0 Static Pressure 17.0 17.0 17.0 Outlet Pressure 15.0 10.0 14.2.2 Alarm Set Points...

  • Page 86: Limited Warranty Agreement

    This warranty shall not apply to any PUREGAS product which shall have been repaired or altered in any way by anyone other than PUREGAS or authorized personnel so as to affect, in our judgment, its proper functioning or reliability, neither will it apply to any product which has been subject to misuse, negligence, or accident.

  • Page 87: Contacting Puregas

    PUREGAS, LLC P6500W Air Dryer User’s Guide 16. Contacting PUREGAS 16.1 General PUREGAS, LLC 226A Commerce Street Broomfield, Colorado 80020 (800) 521-5351 (303) 427-3700 Fax – (303) 657-2233 info@puregas.com www.puregas.com 16.2 Sales (800) 521-5351 (option 2) Fax – (303) 657-2205 sales@puregas.com...

  • Page 88: Notes

    PUREGAS, LLC P6500W Air Dryer User’s Guide 17. Notes ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ Page 88 of 88...

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