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Summary of Contents for Wilkerson DE0
- Page 1 INSTRUCTION MANUAL FOR DE0, DE1 ILKERSON ODELS OMPACT EATLESS RYERS DE0 - DE2 ® OPERATIONS...
- Page 2 This instruction manual covers the installation, operation, maintenance and troubleshooting guide for the Wilkerson compact heatless air dryers, models DE0, DE1 and DE2. These dryers are designed to be installed into a compressed air system, providing ultra-dry compressed air to continuous feed, point-of-use applications.
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Page 3: Description Of Operation
Wilkerson Compact Heatless Air Dryers DESCRIPTION OF OPERATION Wilkerson DE series compact heatless air dryers employ the principles of pressure swing adsorption (PSA). The operation is fully automatic and relatively little maintenance is required. The dryers utilize two identical desiccant towers, metering orifices, two 3-way DC operated solenoid valves controlled by a solid state electronic timer. - Page 4 C. Installation/Mounting – The DE series air dryers are designed for either wall or in-line mounting. Models DE0, DE1, and DE2 allow for four alternate methods of piping. All dryers require a clean ambient environment for proper operation. Normally, most locations where ambient temperatures range between 40˚F and 125˚F are suitable for installation since drying...
- Page 5 Wilkerson Compact Heatless Air Dryers 3. Piping connections: For maximum flow, INLET and OUTLET piping should be schedule 40 pipe or equivalent I.D. tubing. DE0, DE1 and DE2 inlet and outlet porting is 1/4" female NPT, purge porting is 1/8" female NPT.
- Page 6 30 seconds. The timers are equipped with a one hour memory capability. If power is interrupted, the dryer will resume operation at the same point in the cycle when power is restored. Wiring Diagram Figure 4 Instruction Manual / DE0, DE1 and DE2...
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Page 7: Maintenance Instructions
Wilkerson Compact Heatless Air Dryers MAINTENANCE INSTRUCTIONS A. Field Adjustments – Following proper installation of the Wilkerson DE heatless air dryer, no field adjustments are necessary. No lubrication is required on the dryer. B. Six-Month Check – It is recommended that every 6 months of operation, unit be thoroughly inspected. - Page 8 Wilkerson Compact Heatless Air Dryers IMPORTANT INFORMATION: The installation of parts not supplied by Wilkerson will void the warrant of our air dryers. For replacement part information, contact Wilkerson Applications Engineering toll free at 1-888-223-5126. Instruction Manual / DE0, DE1 and DE2...
- Page 9 Wilkerson Compact Heatless Air Dryers DE0, DE1 AND DE2 PARTS IDENTIFICATION Parts Identification Figure 5 Instruction Manual / DE0, DE1 and DE2...
- Page 10 SHOWN 17(REBUILD PARTS ONLY), 42 DRP-94-188 EXHAUST MUFFLER SHOWN When ordering parts, always state the dryer Model Number and Serial Number. *Orifice number must be specified. This can be obtained from nameplate data. Instruction Manual / DE0, DE1 and DE2...
- Page 11 Wilkerson Compact Heatless Air Dryers MODELS DE0, DE1 AND DE2 TROUBLESHOOTING GUIDE PROBLEM: AIR DRYER DELIVERS WET AIR POSSIBLE CAUSE CHECK CORRECTIVE ACTION High inlet air temperature. Inlet air temperature should not Reduce inlet air temperature. exceed sizing criteria stated at purchase (usually 70˚F or 100˚F).
- Page 12 Wilkerson Compact Heatless Air Dryers MODELS DE0, DE1 AND DE2 TROUBLESHOOTING GUIDE PROBLEM: RESTRICTED FLOW THROUGH UNIT POSSIBLE CAUSE CHECK CORRECTIVE ACTION B1 Incoming power interrupted. Check the power supply. Measure If voltage is present, replace for voltage at the cycle timer.
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