P550W Series Air Dryers User’s Guide Models covered: P550W P550WH P550WLP P552W P552WH P552WLP P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 1. Welcome & Congratulations Congratulations on your purchase of a new PUREGAS P550W Series 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. We are sure that you will be satisfied with your new air Dryer and would like to thank you for choosing PUREGAS for your air Dryer requirements.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 3. Table of Contents 8.14 Connecting via Web Browser......................43 1. Welcome & Congratulations............................... 3 8.15 Using the Status Screen...............................45 8.16 Using the Config Screen .............................48 2. Introduction.......................................................... 3 8.17 Using the Event Screen ...............................51 8.18 Using the Alarm Screen .............................
PUREGAS, LLC P550W Series Air Dryers User’s Guide 13.16 Compressor Excessive AMP Draw ...........91 11.5 Ordering Parts from PUREGAS ................. 82 13.17 High Compressor Last Run Time Alarm...92 12. Service & Repair.............................................. 83 13.18 Can’t Create a High Compressor Last Run 12.1 Services Offered ......................................... 83 Time Alarm .........................................................92 12.2 Initiating a Service Transaction ............
PUREGAS, LLC P550W Series Air Dryers 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. Additional warnings specific to an operation or procedure will also be presented throughout the following sections.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 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. CAUTION! Depressurizing the air Dryer may be necessary before performing certain procedures. NEVER remove pressure sensing tubes from the Control Board without depressurizing the air Dryer first, or damage to the Control Board will occur.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 5. Overview & Specifications 5.1 Product Description The P550W Series Air Dryers from PUREGAS are designed to intake wet ambient air and remove the moisture for delivery to applications requiring a constant, ondemand source of dry, pressurized air. This process is fully automatic and will remain consistent with minimal required periodic maintenance. These dryers are designed specifically for indoor use.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 5.4 Technical Specifications P550W P550WH Output Capacity Power Requirements Outlet Pressure Range Outlet Air Humidity Compressor Type Drying Method Operating Temperature Range Noise Level Alarms Outlet Connections Dimensions P550WLP P552W P552WH P552WLP Normal: Up to 350 SCFD continuous Maximum: 550 SCFD emergency 110 - 125 VAC, 50 / 60 Hz, 7.0 Amps 2 – 15 PSI 208 - 253 VAC, 1 Phase, 50 / 60 Hz, 3.5 Amps 0.30 – 7.50 PSI 2 – 15 PSI 0.30 – 7.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 5.5 Dryer Function Overview # 1 2 3 4 5 6 7 8 9 10 11 Component Compressor Heatless Dryer Unloader Valve Capacity Control Valve Description Compresses drawn in ambient air. Removes moisture from compressed air. Relieves excess Compressor head pressure. Regulates System Pressure and prevents air from bleeding back through the Heatless Dryer. Humidity Sensor Measures the Humidity of the compressed air. Air Tank Stores dry compressed air.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 6. Installing Your Dryer 6.1 Safety & Warning Information WARNING! Internal surfaces may be hot. Use care when coming into contact with internal components as there is a potential for some of these components to become hot when in operation or standby. WARNING! Extreme care should be exercised to avoid contact with live electrical circuits.
PUREGAS, LLC P550W Series Air Dryers User’s Guide IMPORTANT! Performing procedures not described in this User’s Guide or installing components not supplied by PUREGAS is NOT RECOMMENDED AND MAY VOID THE WARRANTY. 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. If any shipping damage is detected, it is important to file a claim with the shipping company prior to continuing the installation procedures. 6.2.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 6.3 Included Contents (1) P550W Series Air Dryer (1) Installation Guide (not shown) Package located inside the Dryer: (1) 120 VAC Power Cord (P550W, P550WH, P550WLP) (1) 220 VAC Power Cord (P552W, P552WH, P552WLP) (4) Connector, Male 1/4 MPT (P550WH, P552WH) (1) Tee Tube Union (1) Precision Bleed Orifice (1) User’s Guide (not shown) (1) Mini CD (not shown) 6.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 6.5 Installation Steps 6.5.1 Using a box cutter remove the Dryer from box and all shipping materials. NOTE: If ANY SHIPPING DAMAGE is detected, file a claim with the shipping company prior to continuing the installation procedures. 6.5.2 Open panel latches and remove the front panel. 6.5.3 Check for loose parts, hoses, or wiring.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 6.5.4 Remove the ship-loose contents package. For P550WH and P552WH dryers: 6.5.5 Install the Outlet Port Fittings: 6.5.5.1 Remove four (4) Outlet Port plugs. 6.5.5.2 Install four (4) Outlet Port Connectors. 6.5.6 Place the Dryer at the desired operating location: Place the Dryer on a leveled surface For rack install use Universal Rack Mounting Kit P011674 (section 11.4 ) For wall install use Wall Mounting Kit P011773 (section 11.4 ) 6.5.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 6.5.8 Plug AC Power Cord to Dryer. 6.5.9 Wire or plug the power cord into: 110 - 125 VAC power outlet for P550W, P550WH, and P550WLP models 208 - 253 VAC, 1 phase, power outlet for P552W, P552WH, and P552WLP models. o Line – Black (Brown) o Neutral – White (Blue) o Ground – Green (Green/Yellow) 6.5.10 Power the Dryer ON. NOTE: The compressor and heatless Dryer will start, creating air flow through the Outlet Port.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 6.5.12 Set the System Pressure: With Compressor running: 6.5.12.1 Pull the Capacity Control Valve knob out. 6.5.12.2 Turn the knob until the reading on the pressure gauge is 50 PSI. 6.5.12.3 Push the knob in to lock. 6.5.13 Let the Dryer run until the Humidity drops below 2%. (may take up to 15 minutes). NOTE: Press the RESET button if the Dryer goes into SHUTDOWN mode. Page 17 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 6.5.14 Power the Dryer OFF. For P550W, P550WLP, P552W and P552WLP dryers: 6.5.15 Remove the Precision Bleed Orifice from the Outlet Port. NOTE: Save this orifice for use in low flow applications. 6.5.16 Connect the air supply line(s): For P550W, P550WLP, P552W and P552WLP dryers: 6.5.16.1 Connect the air supply line to the Outlet Port. Page 18 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide For P550WH and P552WH dryers: 6.5.16.2 Connect up to four (4) air supply lines to the Dryer Outlet Ports. Open Outlet Ports as required. NOTE: For all dryers with minimal flow: Install the Tee Tube Union and the Precision Bleed Orifice to maintain a constant air flow. (The orifice was removed in step 6.5.15 for the W and WLP dryers or included in the ship-loose package for the WH dryers.) 6.5.17 Power the Dryer ON. Page 19 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 6.5.18 Set the Static Pressure: 6.5.18.1 Pull Static Pressure Regulator knob out. 6.5.18.2 Turn knob until the reading on the pressure gauge is 17 PSI. 6.5.18.3 Push knob in to lock. 6.5.19 Set the Outlet Pressure: 6.5.19.1 Pull the Outlet Pressure Regulator knob out (or loosen the retaining nut – LP Models). Page 20 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 6.5.19.2 Turn knob until Outlet Pressure (OUTP) reading is at the desired setting. 6.5.19.3 Push knob in to lock (or tighten the retaining nut – LP Models). 6.5.20 Check for air 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 HUMIDITY SENSOR FITTING. DAMAGE TO THE SENSOR MAY OCCUR. With Compressor NOT running: 6.5.20.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 6.5.21 Re-install the front panel. 6.5.22 REGISTER YOUR DRYER. See section 7. for details. 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) System Pressure is set to 50 PSI. Static Pressure is set to 17 PSI. No air leaks are present in the system.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 7. Registering Your Dryer Please take a moment to register your PUREGAS P550W Series 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. Register Online at www.puregas.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8. Operating Your Dryer 8.1 Safety & Warning Information WARNING! Extreme care should be exercised to avoid contact with live electrical circuits. Many procedures performed during installation, operation, testing, and maintenance of this air Dryer require the equipment to be running, creating a situation for potential electrical shock. It is highly recommended that you remove all jewelry before performing any procedures.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.2 Connecting Air Supply Lines to the Dryer For P550W, P550WLP, P552W and P552WLP dryers: 8.2.1 Connect the air supply line to the Outlet Pressure port. For P550WH and P552WH dryers: 8.2.2 Connect the air supply line(s) to the Outlet Pressure port(s). 8.2.3 Open Outlet Ports as required. NOTE: For all dryers with minimal flow: Install the Tee Tube Union and the Precision Bleed Orifice to maintain a constant air flow.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.3 Depressurizing the Dryer CAUTION: Be careful when removing air hose. System is pressurized. 8.3.1 Disconnect air hose from the quick disconnect connector located on top of Outlet Pressure Regulator. 8.3.2 To prevent pressure from building back up, power the Dryer OFF (See section 8.4 ). 8.3.3 Reconnect air hose. 8.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.5 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. 8.5.1 ALARM LED – Indicates an alarm is present. 8.5.2 RESET Button – Clears an alarm and allows the system to continue operating. 8.5.3 HOLD Button – Freezes the current information screen on the display.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.5.5 Display Screen - Shows the current Dryer readings. Will cycle between the following information screens (unless the HOLD button has been pressed): 8.5.5.1 Tank Screen TANK – Air Tank pressure - fluctuates between 20 – 50 PSI. OUTP – Outlet Pressure regulated by the Outlet Pressure Regulator HUMIDITY – Humidity level of the system. CABINET – Temperature of the Dryer cabinet compartment. 8.5.5.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.6 Identifying Dryer Alarms 8.6.1 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 10.0 PSI for Standard models / 7.50 PSI for LP models) See section 13.5 for troubleshooting information. 8.6.2 Low Outlet Pressure Alarm – Occurs when the Outlet Pressure (OUTP) drops below the alarm set point for more than one (1) minute. (Default setting is 2.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.6.4 High Cabinet Temperature Alarm Occurs when the temperature in the cabinet rises above 120°F for more than ten (10) seconds. If this alarm is present for three (3) minutes or more, the Compressor will SHUTDOWN to protect against damage due to overheating. Once the temperature lowers to 112°F the Compressor will re-start. See section 13.12 for troubleshooting information. 8.6.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.7 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. Many of the set points for Dryer alarms can be modified to levels more closely based upon your specific application. NOTE: Reference Appendix Section 14.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.7.2 High Outlet Pressure Alarm Set Point (default setting is 10.0 PSI for Standard models / 7.50 PSI for LP models) – 8.7.2.1 Press the Right () Arrow Button to access the Change Value Screen. 8.7.2.2 Press the Right () & Left () Arrow Buttons to move the underscore beneath the digit to change. 8.7.2.3 Press the Up () & Down () Arrow Buttons to change the value of the selected digit. 8.7.2.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.7.3 Low Outlet Pressure Alarm Set Point (default setting is 2.0 PSI for Standard models / 0.30 PSI for LP models) – 8.7.3.1 Press the Right () Arrow Button to access the Change Value Screen. 8.7.3.2 Press the Right () & Left () Arrow Buttons to move the underscore beneath the digit to change. 8.7.3.3 Press the Up () & Down () Arrow Buttons to change the value of the selected digit. 8.7.3.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.7.4 High Humidity Alarm Set Point (default setting is 10.0%) – 8.7.4.1 Press the Right () Arrow Button to access the Change Value Screen. 8.7.4.2 Press the Right () & Left () Arrow Buttons to move the underscore beneath the digit to change. 8.7.4.3 Press the Up () & Down () Arrow Buttons to change the value of the selected digit. 8.7.4.4 Press the Right () Arrow Button until the underscore disappears. 8.7.4.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.7.5 High Compressor Last Run Time Alarm Set Point (default setting is 3:00 minutes) – 8.7.5.1 Press the Right () Arrow Button to access the Change Value Screen. 8.7.5.2 Press the Right () & Left () Arrow Buttons to move the underscore beneath the digit to change. 8.7.5.3 Press the Up () & Down () Arrow Buttons to change the value of the selected digit. 8.7.5.4 Press the Right () Arrow Button until the underscore disappears. 8.7.5.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.7.6 Compressor Total Time Reset – The Total Time (TTL TIME) is the time the compressor runs measured in hours since startup or the last time the compressor time counter was reset. The dryer will display an alarm when this counter has reached 8,000 hours, signaling is it time for maintenance. 8.7.6.1 Press and Hold the Left () & Right () Arrow Buttons to access the Change Value Screen. 8.7.6.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.7.7 Reset to Factory Values – 8.7.7.1 Press the Left () & Right () Arrow Buttons at the same time. 8.7.7.2 Press the Right () Arrow Button until the underscore appears under the correct setting (YES or NO). 8.7.7.3 Press the Up () Arrow to confirm. This will lock in the new setting value. 8.7.8 Alarm Delays Set Point The Alarm Delay allows the Dryer to come out of the alarm condition on its own without signaling an alarm.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.7.9 Startup Delay Set Point (default setting is 0 sec) – The Startup Delay keeps the compressor from turning on immediately when the dryer is powered on for up to 10 seconds. This allows multiple dryers to power on in separate intervals in case of a power loss. 8.7.9.1 Press the Right () Arrow Button to access the Change Value Screen. 8.7.9.2 Press the Right () & Left () Arrow Buttons to move the underscore beneath the digit to change. 8.7.9.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.8 Open Panel 8.8.1 Open panel latches and remove the front panel. 8.9 Setting the System Pressure With Compressor running: 8.9.1 Open Panel (see section 8.8 ). 8.9.2 Pull the Capacity Control Valve knob out. 8.9.3 Turn the knob until the reading on the Pressure Gauge is 50 PSI. 8.9.4 Push the knob in to lock. 8.9.5 Close Panel. Page 39 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.10 Setting the Static Pressure 8.10.1 Open Panel (see section 8.8 ). 8.10.2 Pull the Static Pressure Regulator knob out. 8.10.3 Turn knob until the reading on the Pressure Gauge is17 PSI. 8.10.4 Push knob in to lock. 8.10.5 Close Panel. 8.11 Setting the Outlet Pressure 8.11.1 Open Panel (see section 8.8 ). 8.11.2 Pull the Outlet Pressure Regulator knob out (or loosen the retaining nut – LP Models). Page 40 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.11.3 Turn knob until Outlet Pressure (OUTP) reading is at the desired setting. 8.11.4 Push knob in to lock (or tighten the retaining nut – LP Models). 8.11.5 Close Panel. 8.12 Connecting to Common Alarm Terminals 8.12.1 Open Panel (see section 8.8 ). 8.12.2 Locate the external Common Alarm pins on the Control Board. 8.12.3 Wire the Common Alarm wire pair to the Control Board as required: COMMON & NO for CLOSE ON ALARM operation.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.13 Connecting to Power Fail Alarm Terminals 8.13.1 Open Panel (see section 8.8 ). 8.13.2 Locate the external Power Fail pins on the Control Board. 8.13.3 Wire the Power Fail Alarm wire pair to the Control Board as required: PWR FAIL & NO for CLOSE ON ALARM operation. NC & PWR FAIL for OPEN ON ALARM operation 8.13.4 Close Panel. Page 42 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.14 Connecting via Web Browser If the Air Dryer IS connected to an IP network: The Air Dryer must be configured with a valid IP Address, Subnet Mask, and Gateway Address for the network. An IP cable is connecting the Air Dryer to the network. Use a computer that is on the same network as the air Dryer. Use Internet Explorer (6.0 or newer) or Mozilla Firefox Web Browser.
PUREGAS, LLC P550W Series Air Dryers User’s Guide The Web Browser connection offers five (5) screens to the user: Status Screen - Displays the readings and alarms monitored in the P550W Series Air Dryer. Provides remote ALARM RESET. Config Screen - All configurations of Set Points, Setups, and Keyword can be made in this screen. Event Screen - Displays all events such as alarms, changes made, and alarm resets registered by the P550W Series Air Dryer. This screen is informational only.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.15 Using the Status Screen Displays the readings and alarms monitored in the P550W Series Air Dryer. Provides remote ALARM RESET. Readings are displayed in BLACK unless an alarm is present. Alarms are displayed in RED next to the parameter in alarm. Alarm Status will display Alarm if any alarms are present. Keyword validation is required for ALARM RESET and RESET TOTAL RUN TIME. Page 45 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.15.1 Resetting an Alarm 8.15.1.1 Click on the ALARM RESET Button to remotely reset Air Dryer alarms displayed on Status Screen. 8.15.1.2 Enter Keyword (default is 123456) 8.15.1.3 Click on SUBMIT Button when done. Page 46 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.15.2 Resetting Compressor Total Run Time 8.15.2.1 Click on the RESET TOTAL RUN TIME Button to remotely reset Compressor Total Run Time displayed on Status Screen. 8.15.2.2 Enter Keyword (default is 123456) 8.15.2.3 Click on SUBMIT Button when done. Page 47 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.16 Using the Config Screen All configuration of Set Points, Setups, and Keyword can be made in this screen. NOTE: Reference Appendix section 14.2 for Limits, Defaults, and Formats. Values in BLUE represent the current setting. The ACCEPT Button is used to change values. The CHANGE KEYWORD Button allows you to configure a new Keyword.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.16.1 Changing a Set Point or Setup value: 8.16.1.1 Click on the value to change. 8.16.1.2 Type in the new value. 8.16.1.3 Click the ACCEPT Button when done. 8.16.1.4 Enter Keyword (default is 123456) 8.16.1.5 Click on SUBMIT Button when done. This will lock in the new setting value. Page 49 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.16.2 Changing the Keyword 8.16.2.1 Click on CHANGE KEYWORD Button to change the keyword. 8.16.2.2 Type the Old Keyword. 8.16.2.3 Type the New Keyword. 8.16.2.4 Type the Confirm New Keyword. 8.16.2.5 Click on SUBMIT Button to confirm. This will lock in the new setting value. Page 50 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.17 Using the Event Screen Displays all events such as alarms, changes made, and alarm resets registered by the P550W Series Air Dryers. This screen is informational only. Click on the column headings to sort data according to that column. Click the Arrow Buttons to navigate through all the event log pages. Page 51 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.18 Using the Alarm Screen Displays all the Alarms registered by the P550W Series Air Dryers. This screen is informational only. Click on the column headings to sort data according to that column. Click the Arrow Buttons to navigate through all the event log pages. Page 52 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.19 Using the Firmware Screen Displays the current firmware version and date of the P550W Series Air Dryers. Current Version: Displays the current firmware version of the P550W Air Dryer. New Version File: Displays the new location and new firmware version chosen. The BROWSE Button allows you to locate the new firmware file. The ACCEPT Button is used to change values. Keyword validation is required to update firmware.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.19.1 Updating the Firmware: 8.19.1.1 Click on BROWSE Button to locate the firmware file. 8.19.1.2 Navigate and Select the correct .bin file. Press the OK Button. 8.19.1.3 Click the ACCEPT Button when done 8.19.1.4 Enter Keyword (default is 123456) 8.19.1.5 Click on SUBMIT Button when done. This will lock in the new firmware version. Page 54 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 8.20 Connecting via SNMP Using SNMP to connect and communicate with the P550W Series Air Dryer is dependant upon the specific SNMP Management software used on your network. This software requires a SNMP Definition & Configuration File (MIB file) in order to properly communicate with the Air Dryer. This file is named “PuregasP550W.mib” and is located on the Mini CD included with your Air Dryer.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 9. Testing Your Dryer 9.1 Safety & Warning Information WARNING! Extreme care should be exercised to avoid contact with live electrical circuits. Many procedures performed during installation, operation, testing, and maintenance of this air Dryer require the equipment to be running, creating a situation for potential electrical shock. It is highly recommended that you remove all jewelry before performing any procedures.
PUREGAS, LLC P550W Series Air Dryers 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. With the Compressor running: 9.2.1 Open Panel (see section 8.8 ). 9.2.2 Locate wire #5 coming directly from the compressor. 9.2.3 Use an Amp Meter to measure the running amps.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 9.3 Measuring Compressor 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. 9.3.1 Open Panel (see section 8.8 ). 9.3.2 Locate the relay terminal block on the control board inside the air Dryer. 9.3.3 Slide off clear plastic terminal block cover. With the Compressor running: 9.3.
PUREGAS, LLC P550W Series Air Dryers User’s Guide With the Compressor NOT running: 9.3.5 Use a Voltmeter to measure across the board terminals were wires #5 and #6 are connected. The voltage should measure 0 VAC (10%). 9.3.6 Replace the clear plastic terminal block cover. 9.3.7 Close Panel. If any of the voltage measurements are different than indicated above, the Control Board is defective and should be replaced. See sections 11.1 for part detail and 11.5 for ordering information.
PUREGAS, LLC P550W Series Air Dryers 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 Open Panel (see section 8.8 ). 9.4.2 Locate the Incoming POWER connector inside the Dryer. 9.4.3 Use a Voltmeter to measure the voltage (inside Dryer): 9.4.3.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 9.5 Measuring Voltage from AC Step-Down Transformer 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. For P552W, P552WH and P552WLP Dryers: 9.5.1 Open Panel (see section 8.8 ). 9.5.2 Locate the POWER Switch. 9.5.3 Use a Voltmeter to measure the voltage (inside Dryer): 9.5.3.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 9.6 Testing Consistent Heatless Dryer Cycling WARNING! Internal surfaces may be hot. Use care when coming into contact with internal components as there is a potential for some of these components to become hot when in operation or standby. With the Compressor running: 9.6.1 Open Panel (see section 8.8 ). 9.6.2 Place a piece of insulating material over the compressor for this test (i.e. piece of cardboard). 9.6.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 9.6.4 Place your hand beneath the purge solenoids to feel for purging air. Air should: Purge from Tower 1 side Purge from Tower 2 side 30 Seconds later Purge from Tower 1 side 30 Seconds later …and so on. 9.6.5 Remove insulating material from top of the compressor. 9.6.6 Close Panel. If the Heatless Dryer is not cycling consistently as described, see section 13.13 for troubleshooting information. Page 63 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 9.7 Testing Unloader Valve With the Compressor running: 9.7.1 Locate the Unloader Valve on the right side of the heatless Dryer. 9.7.2 Place your hand over the Unloader Valve to feel for air flow. Air should NOT flow from this fitting continuously. Air should only be released in a short burst when the compressor shuts off. If air flows from this valve continuously the Unloader Valve is either defective and should be replaced. See sections 11.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 9.8 Measuring Heatless Dryer Solenoid Voltage With the Compressor running: 9.8.1 Locate the Heatless Dryer Cycle Timer. The timer has three (3) sets of terminals (from left-to-right): “VALVE” – Left solenoid “IN” – Incoming power “VALVE” – Right solenoid 9.8.2 Use a Voltmeter to measure the DC voltage across each set of “VALVE” terminals. Continue to measure for up to 45 seconds if no voltage is initially measured.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 9.9 Testing Air Dryer Fan NOTE: To test the fan, the cabinet temperature must be above 90 F. 9.9.1 Place your hand outside the Dryer to feel for air being blown outwards. NOTE: The fan will turn OFF when the cabinet temperature is below 80 F. If the fan is not blowing air outwards as described: Verify the cabinet temperature is above 90 F. Check for loose wiring. Refer to the Wiring Diagram (section 14.
PUREGAS, LLC P550W Series Air Dryers User’s Guide With Compressor running: 9.10.2 Verify the compressor shuts down when the tank pressure (TANK) reaches 50.0 PSI. If the tank pressure (TANK) fails to reach 50 PSI, see section 13.15 for troubleshooting information. With Compressor NOT running: CAUTION: Be careful when removing Air hose. System is pressurized. 9.10.3 Depressurize air Dryer (see section 8.3.1 ) 9.10.4 Verify the compressor turns on when the tank pressure (TANK) falls to 20.0 PSI. 9.10.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 9.11 Testing High Compressor Last Run Time Alarm CAUTION: Be careful when removing Air hose. System is pressurized. NOTE: For this test, allow the Display Screen to cycle through the information screens. 9.11.1 Start timing when the compressor turns on. 9.11.2 Depressurize air Dryer (see section 8.3.1 ) This prevents the compressor from shutting down.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 9.12 Testing Humidity Alarm and System Shutdown CAUTION: Be careful when removing Air hose. System is pressurized. 9.12.1 Power the air Dryer OFF. 9.12.2 Depressurize air Dryer (see section 8.3.1 ) 9.12.3 Unscrew and remove the Humidity Sensor from the Humidity Block. 9.12.4 Power the air Dryer ON. Page 69 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide Allow the Humidity reading to rise over 10.0%. 9.12.5 After three (3) minutes, verify that a Humidity Alarm appears and the Dryer goes into SHUTDOWN mode. 9.12.6 Replace the Humidity Sensor into the Humidity Block. 9.12.7 Press the RESET Button to clear the Humidity alarm. If you are unable to create a Humidity / Shutdown alarm as described, see section 13.10 for troubleshooting information. Page 70 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 9.13 Testing High Outlet Pressure Alarm 9.13.1 Make a note of the current Outlet Pressure (OUTP) reading. 9.13.2 Pull the Outlet Pressure Regulator knob out (or loosen the retaining nut – LP Models). 9.13.3 Turn knob clockwise until Outlet Pressure (OUTP) reading climbs over 10.0 PSI (over 7.50 PSI - LP Models). After one (1) minute, the High Pressure Alarm should appear on the display. 9.13.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 9.14 Testing Low Outlet Pressure Alarm 9.14.1 Make a note of the current Outlet Pressure (OUTP) reading. 9.14.2 Pull the Outlet Pressure Regulator knob out (or loosen the retaining nut – LP Models). 9.14.3 Turn knob counterclockwise until Outlet Pressure (OUTP) reading drops below 2.0 PSI (below 0.30 PSI – LP Models). After one (1) minute, the Low Pressure Alarm should appear on the display. 9.14.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 9.15 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 HUMIDITY SENSOR FITTING. DAMAGE TO THE SENSOR MAY OCCUR. With Compressor NOT running: 9.15.1 Listen for any ‘hissing’ sounds which may indicate a fitting or hose air leak. With Compressor running: 9.15.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 10. Maintaining Your Dryer In order to ensure that your P550W Series Air Dryer continues to operate efficiently and reliably, PUREGAS recommends performing the following maintenance procedures at the specified Six Month and 8,000 Hour intervals. It is also recommended that you print out the included Six Month Maintenance (section 10.2 ) and 8,000 Hour Maintenance (section 10.
PUREGAS, LLC P550W Series Air Dryers User’s Guide WARNING! Internal surfaces may be hot. Use care when coming into contact with internal components as there is a potential for some of these components to become hot when in operation or standby. CAUTION! SHUT DOWN IMMEDIATELY FOR REPAIRS if the air compressor shows any evidence of overheating or presents excessive noise. CAUTION! Depressurizing the air Dryer may be necessary before performing certain procedures.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 10.2 Six Month Maintenance MODEL: LOCATION NAME: SERIAL NUMBER: ADDRESS: DATE INSTALLED: Maintenance Interval (Months) Procedure Install Six Month Maintenance Kit P011798 Read & Record Flow Rate (FLOW) Section 6 12 18 24 30 11.4 8.5.5.2 Measure & Record 9.2 Compressor Amp Draw Measure & Record Incoming Voltage (must be 110 - 125 VAC for P550W, P550WH and 9.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 10.3 8,000 Hour Maintenance Under typical operating conditions: 8,000 hours of run time will occur between one (1) and two (2) years of use. This will be identified by a TTL TIME Alarm on the display. MODEL: LOCATION NAME: SERIAL NUMBER: ADDRESS: DATE INSTALLED: Maintenance Interval (Hours) Procedure Install 8,000 Hour Maintenance Kit P011673 Read & Record Flow Rate (FLOW) Section 8,000 16,000 24,000 32,000 40,000 11.4 8.5.5.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 11. Replacement Parts & Accessories 11.1 Dryer Parts Description Power Switch Fan Static Pressure Regulator Part Number Quantity M038428 1 P4080 1 P010279 1 Air Tank Control Board - Recommend Spare 1 Standard Pressure P011816 Low Pressure P011862 Heatless Dryer Assembly 1 (1) See section 11.3 for detail System Pressure Gauge (0-100 PSI) P010695 Page 78 of 99 1 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 11.2 Dryer Parts cont. Description Part Number Quantity Standard Pressure P010279 1 Low Pressure P012316 Recommend Spare Outlet Pressure Regulator - Flow Block Humidity Sensor Static Pressure Gauge (0-30 PSI) 1 In Kit P011798. See section 11.4 P8345 1 Capacity Control Valve P010492 1 Air Compressor P011660 1 Page 79 of 99 (1) P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 11.3 Heatless Dryer Assembly Parts Description Part Number Quantity Heatless Dryer P011738 1 Desiccant Chamber P2004036 2 Cycle Timer P010530F1 1 P011839 1 Unloader Valve Solenoid Valve Recommend Spare In Kit P011673. See section 11.4 for detail. Page 80 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 11.4 Accessories for Your Dryer Description Part Number Recommend Spare Six Month Maintenance Kit Includes air intake filter, compressor P011798 (2) P011673 (1) muffler, and humidity sensor. 8,000 Hour Maintenance Kit Includes heatless Dryer maintenance kit and compressor maintenance kit. Universal Rack Mounting Kit Includes mounting brackets and P011674 hardware for 19” or 23” racks.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 11.5 Ordering Parts from PUREGAS IMPORTANT! Instruction for the replacement of individual listed components goes beyond the scope of this User’s Guide and will not be covered. Please refer to the information included with the specific replacement part for this instruction.
PUREGAS, LLC P550W Series Air Dryers 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 Piston Compressor Rebuild o Replace motor bearings, piston rod assemblies, and install a complete compressor maintenance kit.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 13. Troubleshooting Your Dryer 13.1 Before You Call PUREGAS 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.
PUREGAS, LLC P550W Series Air Dryers User’s Guide WARNING! Extreme care should be exercised to avoid contact with live electrical circuits. Many procedures performed during installation, operation, testing, and maintenance of this air Dryer require the equipment to be running, creating a situation for potential electrical shock. It is highly recommended that you remove all jewelry before performing any procedures.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 13.4 Display Screen Not Functioning Possible Cause Dryer experienced a power spike Check Ribbon cable disconnected Verify ribbon cable from the decal is connected at the display board Corrective Action Power the air Dryer OFF for 15+ seconds. Power the air Dryer ON. Reconnect the ribbon cable properly. 13.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 13.7 Low Outlet Pressure Alarm Possible Cause Outlet Pressure set too low High Flow condition Low Outlet Pressure Alarm set point too high Leak in the air system Check Verify Outlet Pressure (OUTP) reading (section 8.5.5.1 ) Verify Flow Rate (FLOW) reading is not higher than expected (section 8.5.5.2 ) Verify Low Outlet Pressure Alarm set point (section 8.7.3 ) With no outlet flow, test fittings and hoses for leaks (section 9.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 13.9 High Humidity CAUTION! Do not test the Humidity Sensor with an ohm meter or apply any DC voltage. This will render the Humidity Sensor defective. Possible Cause Low System Pressure Check Verify System Pressure (section 8.8 ) Low Flow Rate Verify Flow Rate (FLOW) reading is low (section 8.5.5.2 ) High Humidity Alarm set point too low Verify High Humidity Alarm set point (section 8.7.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 13.10 Can’t Create a High Humidity Alarm / Shutdown These troubleshooting steps assume that the Humidity Element is removed from the Humidity Block during the Testing Humidity Alarm and System Shutdown (section 9.12 ) procedures.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 13.13 Inconsistent Heatless Dryer Cycling Possible Cause Defective Solenoid Valve Check Measure voltage going to the Heatless Dryer Solenoid Valves (section 9.8 ) Defective Cycle Timer Measure voltage going to the Heatless Dryer Solenoid Valves (section 9.8 ) Corrective Action If 53 VDC IS present, replace Solenoid Valves included in the 8,000 Hour Maintenance Kit (section 11.4 ) If 53 VDC IS NOT present, replace the Cycle Timer (section 11.3 ) 13.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 13.15 Compressor Won’t Build Pressure Possible Cause Low System Pressure Check Verify System Pressure (section 8.8 ) Defective Unloader Valve Test Unloader Valve operation (section 9.7 ) Leak in air system If this is continuously flowing high amounts of air, the Unloader Valve is defective. Check all hoses and fittings between compressor and Air Tank for air leaks (section 9.15 ) Corrective Action Adjust System Pressure to 50 PSI, ± 2 PSI.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 13.17 High Compressor Last Run Time Alarm Possible Cause Low System Pressure Check Verify System Pressure (section 8.8 ) High Flow condition Verify Flow Rate (FLOW) reading is not higher than expected (section 8.5.5.2 ) Test Unloader Valve operation (section 9.7 ) If this is continuously flowing high amounts of air, the Unloader Valve is defective. Verify consistent Heatless Dryer cycling (section 9.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 13.19 Compressor Rapid ON/OFF Cycling Possible Cause Defective control board Check Measure voltages at control board (section 9.3 ) Corrective Action If measurements are incorrect, replace control board (section 11.1 ) 13.20 Contacting PUREGAS Technical Support Please read the Before You Call PUREGAS section (13.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 14. Appendix 14.1 Wiring Diagram Page 94 of 99 P011658 – Rev.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 14.2 Set Point Limits and Defaults 14.2.1 System Adjustments Default Value Unit of Measurement System Pressure 50 PSI Static Pressure 17 PSI Description Minimum Value Maximum Value Outlet Pressure (LP UNITS) 2.0 (0.30) 15.0 (7.50) Alarm Delay OFF ON ON Startup Delay 0 10 0 PSI Seconds 14.2.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 14.3 SNMP Parameters Device Configuration Information Device ID Device Model Device Firmware Version Current Date/Time IP Address Subnet Mask Gateway Address SNMP Trap Server Address Alphanumeric (Defined by Customer) Alphanumeric (Factory Preset) Numeric (Factory Preset) Numeric (mm/dd/yy hh:mm) Numeric (xxx.xxx.xxx.xxx) Numeric (xxx.xxx.xxx.xxx) Numeric (xxx.xxx.xxx.xxx) Numeric (xxx.xxx.xxx.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 15. Limited Warranty Agreement PUREGAS products carry a one (1) year warranty against defective workmanship and material. This period starts at date of shipment. Not included are the components subject to normal replacement during a year’s operating time. No claims for labor in replacing defective parts or for consequential damages will be allowed.
PUREGAS, LLC P550W Series Air Dryers 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 parts@puregas.com 16.3 Service (800) 521-5351 (option 3) Fax – (303) 657-2205 16.4 Technical Support (800) 521-5351 (option 1) DON’T FORGET TO REGISTER YOUR DRYER! See Section 7.
PUREGAS, LLC P550W Series Air Dryers User’s Guide 17.
