Related Manuals for Pneumatech PHM Series
Summary of Contents for Pneumatech PHM Series
- Page 1 Heatless Regenerative Air Dryers PHM Series / PH Series / EH Series 314 42nd Street West Williston, ND 58801 701-572-2393 www.iessinc.com Owner’s Manual 9829 2103 75 May 2009...
- Page 2 DATE OF PURCHASE MODEL SERIAL NO. Record above information from nameplate. Retain this information for future reference.
-
Page 3: Table Of Contents
TABLE OF CONTENTS General Information Receiving – Inspection Safety Instructions Disclaimer of Warranty Desiccant Replacement Procedures Filling Procedure Molecular Sieve Option Draining Procedure Desiccant Disposal Installation & Operation PH/EH Series Heatless Air Dryer Installation & Operation General Start-Up Procedure Adjustments DMP Microprocessor Control with Cycle Sight ™... - Page 4 Dewpoint Display Key Functions Setting Point and Programming Measurement Range Options Listing with Explanation (PH & EH Only) Audible Alarm Failure to Shift Alarm High Humidity Alarm Moisture Indicator Panel Lights PLC Controller Dewpoint Demand Control “DPD” Troubleshooting...
-
Page 5: General Information
GENERAL INFORMATION The Pneumatech Drying System is designed to remove SAFETY INSTRUCTIONS moisture from compressed air. When using air compressors and compressed air When properly installed, the unit requires little accessories, basic safety rules and precautions must maintenance or adjustment. -
Page 6: Disclaimer Of Warranty
5. SECURE DRAIN LINES DISCLAIMER OF WARRANTY Fasten drain lines from prefilter/separator to floor or drain. Pressurized air will periodically pass through If this unit is used to produce breathing air, the special drain lines, which will cause an unsecured line to equipment and precautions expressed in OSHA 29 CFR whip and may cause bodily injury. -
Page 7: Desiccant Replacement Procedures
DESICCANT REPLACEMENT PROCEDURES Pneumatech uses Activated Alumina Grade A desiccant MOLECULAR SIEVE OPTION for all standard heatless air dryers. Dryers up to 1500 (LOW DEWPOINT) SCFM are factory filled with desiccant. Dryers 1800 SCFM and larger are supplied with loose desiccant in 50 lb. -
Page 8: Installation & Operation
INSTALLATION & OPERATION FIGURE 1 — COMPRESSED AIR SYSTEM RECOMMENDED INSTALLATION FLOW DIAGRAM... -
Page 9: Ph/Eh Series Heatless Air Dryer Installation & Operation General
11. LEAK TEST: All the dryers are tested at the factory PH/EH SERIES HEATLESS AIR DRYER for any leaks before shipment. An air leak could INSTALLATION & OPERATION develop during transportation or installation. Pressurize the system and check for any leaks. General Start-Up Procedure 1. -
Page 10: Dmp Microprocessor Control With Cycle Sight
2. SEQUENCE OF OPERATION: The sequence of MODE OF OPERATION operation is based on a five (5) minute or ten (10) minute NEMA Cycle. For either cycle length, one- 1. START UP: The Digital Microprocessor Sequence half of the total time is for adsorption of moisture Controller will start to operate as soon as the unit is from the process gas and one-half is for desiccant turned on. -
Page 11: Sequence Of Operation
4. ALARM LED AND RELAY OUTPUTS: These will The desiccant is designed to handle air saturated with only be reset by pushing the button. water vapor only. Any liquids or slugs of water tend to decrease the efficiency of the desiccant and retard the regeneration process to provide the designed dewpoint. -
Page 12: Shutdown Procedure
At time equal to 4.3 minutes, the purge valve closes. 1. If the compressed air system has been piped The purge air entering the tower starts to repressurize with a bypass around the dryer, then the the chamber. following should be completed: At time equal to 4.4 minutes, the repressurizing valve a. - Page 13 FIGURE 3 — PH/EH SERIES HEATLESS AIR DRYER FLOW DIAGRAM...
-
Page 14: Phm Mini Series Heatless Air Dryer Installation & Operation
• Drying: 5 minutes PHM MINI SERIES HEATLESS AIR • Regeneration: 4 minutes, 20 seconds (continuous DRYER INSTALLATION & OPERATION flow) • Repressurizing: 40 seconds General While one adsorbent filled tower is drying the inlet flow at 1. If base mounted, secure base plate to hard surface, the line pressure, in the upward direction for 5 minutes, or hang securely on a wall. -
Page 15: Maintenance
MAINTENANCE 2. Check the prefilter and afterfilter elements for PH/EH SERIES HEATLESS AIR DRYER excessive clogging or possible damage. Replace as MAINTENANCE necessary. WARNING 3. Blow down relief valves. 4. Check outlet dewpoint conditions. Disconnect power and depressurize the dryer completely before starting maintenance procedures. -
Page 16: Phm Mini Series Heatless Air Dryer Maintenance
PHM MINI SERIES HEATLESS AIR Twelve Months 1. Close the inlet and outlet valves on the dryer or DRYER MAINTENANCE bypass the dryer and completely depressurize the dryer system. Open the desiccant fill port and check WARNING visually. If desiccant is contaminated with oil or broken, replace the desiccant. - Page 17 FIGURE 4 — PHM MINI SERIES HEATLESS AIR DRYER FLOW DIAGRAM...
-
Page 18: Dewpoint Display Key Functions
DEWPOINT DISPLAY KEY FUNCTIONS MEASUREMENT RANGE 1. Max. value: +68 2. min. value: -148 Error Messages. ErrL = Open circuit, Sensor disconnected. ErrH = Over Range. FIGURE 5 — DIGITAL DISPLAY SETPOINT PROGRAMMING Dryer with dew point demand option: Alarm set-point values are refereed to as ALr1 and ALr2 in the menu. - Page 19 SENSOR BLUE GREEN Power mA Output FIGURE 6 — DEWPOINT DEMAND (DPD) OPTION WIRING...
-
Page 20: Audible Alarm
OPTIONS LISTING WITH EXPLANATION (PH/EH only) AUDIBLE ALARM PANEL LIGHTS The Audible Alarm consists of a buzzer with reset push The Panel Light option consists of four lights: Left Tower button and ON/OFF selector switch. Drying, Right Tower Drying, Left Tower Regenerating, and Right Tower Regenerating. -
Page 21: Troubleshooting
TROUBLESHOOTING Table 1 — Troubleshooting Guide for PH Series Heatless Regenerative Dryers Symptoms Cause Remedy A. Elevated Dewpoint. 1. Low purge flow. Reset purge pressure at the recommended pressure. 2. Low inlet pressure. Recalculate purge pressure setting from the chart. 3. - Page 22 Table 1 — Troubleshooting Guide for PH Series Heatless Regenerative Dryers, continued Symptoms Cause Remedy D. No gas flow through the dryer. 1. Both inlet valves closed due to low Manually open the inlet valve by inlet pressure. turning the shaft or the ON actuator.
- Page 23 Table 2 — Troubleshooting Guide for PHM Mini Series Heatless Regenerative Dryers Symptoms Cause Remedy A. Elevated Dewpoint 1. Low inlet pressure. Increase pressure (minimum 75 PSIG), or reduce flow. 2. Excess moisture carryover. Check drains at aftercooler and prefilter. 3.
- Page 24 Pneumatech 4909 70 Avenue Kenosha, WI 53144 Phone: 262-658-4300 Fax: 262-658-1945 www.pneumatech.com...
Need help?
Do you have a question about the PHM Series and is the answer not in the manual?
Questions and answers