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Heatless High Pressure Desiccant Dryers Models DTX10 -DTX80 User Guide...
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No effort has been spared to provide a comprehensive instruction manual for the use of the Parker Dryer. Information is given not only for the user, but also for the technical personnel who may repair the dryer in the event that this is ever necessary. It is recommended that all who will have responsibility for the dryer carefully read all sections of this manual before commencing with the installation.
DTX10 - DTX80 USER GUIDE Contents Inspection and Installation Inspection Dryer Location Installation Safety and System Precautions General Operation Sequence of Operation Start Up Operational Notes Variable Cycle Control Shutdown Procedures Demand Cycles CycleLoc Dryers Equipped with DDS Maintenance Program Desiccant Replacement Inlet and Exhaust Valve Repair Parts (general parts description)
DTX10 - DTX80 USER GUIDE Inspection and Installation PRIOR TO INSTALLATION OR START-UP OF DRYER, THIS ENTIRE MANUAL SHOULD BE READ AND UNDERSTOOD. Inspection All Dryers are tested and inspected at the factory prior to shipping. Inspect the dryer carefully upon arrival and note any damage on the freight bill.
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DTX10 - DTX80 USER GUIDE Make required electrical connections to control box. Refer to applicable drawings. NOTE: Customer to provide short circuit protection for dryer. Access ports should be provided upstream and downstream of the dryer for dew point, pressure, and temperature checks. Periodic checking of the dew point just downstream of the dryer is the best indication of whether the dryer is performing as expected.
DTX10 - DTX80 USER GUIDE Safety and System Precautions • Use EXTREME CAUTION when working in the vicinity of the dryer. • Relieve pressure before servicing dryer or associated equipment. • Disconnect power before servicing dryer. • Use ear and eye protection when in the vicinity of the dryer or exhaust ports, especially if the dryer is being operated without mufflers.
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This cycle will continue automatically unless the dryer is shut down, operated in the CycleLoc mode or equipped with a DDS. High Pressure 500 MAWP Technical Specs MODEL CAPACITY COLOR SIZE DES/TOWER IN/OUT CON. DTX 10 no gauge BLUE 3/32" 3/8" NPT DTX 20 no gauge BLUE 3/32"...
DTX10 - DTX80 USER GUIDE Sequence of Operation The sequence is controlled by a Solid State Timing and Relay circuit (Sequence Annunciator) which in turn controls five electric solenoid valves. The first four are 3-Way Normally Closed Valves, which supply control air to operate air operated switching inlet and exhaust valves.
DTX10 - DTX80 USER GUIDE Start Up Please read and understand the entire manual before operating the dryer. Check and read over wiring diagrams that pertain to your unit and make sure the correct power supply is connected, but do not energize circuit at this time. Provide proper short circuit protection. Follow all applicable codes. If you do NOT want the dryer to cycle automatically when energized, close the control air isolation valve.
DTX10 - DTX80 USER GUIDE Operational Notes Never service the dryer or filters without first relieving pressure. Check all air connections for leaks and tighten as required. Downstream air leaks will affect dew point. Bypass air leaks will affect dew point. Only soft seat bypass valves may be used. Dryer will not perform without proper pre-filtration, condensate drainage, and purge flow.
DTX10 - DTX80 USER GUIDE Shutdown Procedures Isolation Allow dryer to reach repressurization step and fully repressurize While fully repressurized, remove power from the dryer by turning off disconnect. Open bypass pipe. Close outlet isolation valve. Close inlet isolation valve. Depressurization Open bypass piping.
DTX10 - DTX80 USER GUIDE Demand Cycles CycleLoc and DDS are demand cycles available for any heatless dryer. CycleLoc is standard on all heatless dryers. DDS is an option that needs to be purchased. These cycles offer improved operating efficiency over fixed time cycles for applications requiring a -40°F dew point and that will see lighter than design moisture loading.
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DTX10 - DTX80 USER GUIDE of time for the sensor to dry out and come to equilibrium with the system. The sensor will also become saturated to atmospheric conditions if the air system is shut down and allowed to depressurize. Upon restart of the system, the dew point may appear to be poor, even though the dryer may be producing clean, dry air.
DTX10 - DTX80 USER GUIDE Maintenance Program Daily 1. Check dew point or humidity level if instrumentation is available. Any difficulty with the dryer will result in poor dewpoint performance. 2. Check for correct purge setting and air flow from purge exhaust. 3.
DTX10 - DTX80 USER GUIDE Catch desiccant in suitable container. Close drain ports and open top fill ports. Refill with recommended type, size and quantity of desiccant. Wrap sides of the chambers while filling so desiccant will pack tightly. Some settling may be required to fit specified amount in tank.
DTX10 - DTX80 USER GUIDE Parts (general parts description) DESICCANT - An adsorbent used for drying air or gases. Proper quantity, size and type are necessary. INLET VALVE - Normally Open Air Operated Switching Valves used to direct the air flow through the towers.
DTX10 - DTX80 USER GUIDE Troubleshooting Guide Exhaust Valve on Drying or 1. Valve dirty Clean valve Repressurizing Tower Leaking 2. Defective diaphragms or O-rings Repair or replace 3. Leaking control solenoid Repair or replace Excessive Pressure Drop 1. Pre-filter dirty Replace element 2.
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DTX10 - DTX80 USER GUIDE Inlet or Exhaust Valves not 1. Bad diaphragms or O-rings Rebuild valves available kits or functioning replace 2. No control air See below 3. Control solenoids defective Repair or replace 4. No output from controller Repair or replace No Control Air at Inlet or Exhaust 1.
DTX10 - DTX80 USER GUIDE High Humidity 12.1 Principle of Operation The High Humidity Alarm (HHA) are circuits designed to function in conjunction with a Hygrosensor to provide on/off control for compressed air dryers. The HHA can also provide an alarm when humidity conditions exceed or go below a fixed setpoint.
DTX10 - DTX80 USER GUIDE Optional DDS 13.1 Quick-Start for Dryers Equipped with DDS The following steps are all that is normally required for start-up of dryers equipped with the DDS System. Refer to the remainder of this manual for more detailed information on DDS Operation. Please read entire Dryer Manual before proceeding.
DTX10 - DTX80 USER GUIDE 13.3 Mounting the Probe Probes are shipped loose. Do not misplace or damage the probe. The probe consists of more than 2/3 the value of the unit. When DDS is ordered with a dryer, a sample line for the probe is built into the dryer outlet.
DTX10 - DTX80 USER GUIDE Check the power connection. If the display is still blank, the display is at fault. Consult the factory. Probe Recalibration and Replacement The recommended calibration interval is one year to maintain accuracy (+/- 1%). Consult the factory for recalibration procedure. 13.7 DDS Display: The display is factory set to indicate either degrees ºF or degrees ºC.
DTX10 - DTX80 USER GUIDE DEGREE °F -148 @ 4mA through to +68 @ 20mA DEGREE °C -100 @ 4mA through to +20.0 @ 20mA Optional Pre/After Filters Receiving and Inspection Upon receipt of the filter(s), immediately check for damage that may have occurred during shipping. If there is any damage, do not install or attempt to repair the filter.
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DTX10 - DTX80 USER GUIDE Cast Filters • Relieve internal pressure by opening the manual vent valve. • Disconnect drain lines at manual and automatic drain valves (if applicable). • Unscrew filter collar from head of filter and remove bowl. •...
Parker Warranty Philosophy. Warranty Procedure... Parker believes in giving the most expedient service possible to our customers. In order to accomplish this the most important step for our customer is to call us (1-855-5TRYFAF) immediately in the event of a potential warranty situation.
IMPORTANT! E-Mail Today! Fold and Seal and your Service Warranty will be registered immediately. We are here to help. For more information on service or installation call the Service Department at 1-855-587-9323. Email to: fafwarranty@parker.com Model # Serial # Company...
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