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SD Heatless Desiccant Compressed Air Dryer

User Manual

For Model Series SD-820 to -1710

With Dewpoint Dependent Switching

This dryer includes equipment
options as selected (X) below:

DDS OPTION
EDP OPTION
3V OPTION

This Manual is part number 02250159-760

Applicable for dryers serial number 13982 and up

Revision 04, October 2005

Summary of Contents for SD-1050 Series

Page 1: ...el Series SD 820 to 1710 With Dewpoint Dependent Switching This dryer includes equipment options as selected X below DDS OPTION EDP OPTION 3V OPTION This Manual is part number 02250159 760 Applicable...

Page 2: ...II...

Page 3: ...ry downtime and minimize work for yourself and wear on the equipment In addition to carefully reading this technical manual in its entirety you must understand your National State and local rules and...

Page 4: ...USER MANUAL Models SD 820 to SD 1710 with DDS Rev 04 October 2005 iv...

Page 5: ...T OPERATION 9 3 1 GENERAL OPERATING PRINCIPLES 9 3 2 OPERATORCONTROLS 10 3 3 INITIAL START UP 12 3 4 SHORT TERM SHUT DOWN 13 3 5 SHUT DOWN IN CASE OF A FAULT OR FOR MAINTENANCE 13 3 6 RESTARTING 13 3...

Page 6: ...USER MANUAL Models SD 820 to SD 1710 with DDS Rev 04 October 2005 vi APPENDIX A DRYER OPERATING SEQUENCE A 1 APPENDIX B DRYER FLOW CAPACITY B 1...

Page 7: ...ation of Sullair pre and afterfilters refer to paragraph 1 8 which are shipped separately Sullair reserves the right to make changes at any time as may be necessary for increasing safety or efficiency...

Page 8: ...followed during set up operation and servicing It is of utmost importance that it be read by the assembly technician before installation and start up as well as by the specialist operator in charge I...

Page 9: ...the purchaser Further the purchaser is to ensure that all personnel completely understand and follow the content of this manual Attention Never make structural changes to the adsorption dryer Only us...

Page 10: ...er size SCH SCR 910 1315 1315 2120 2120 Controls Printed Circuit Board Operating electrical power 110 115 120 Vac 1 Phase 50 60 Hertz Drying time per tower Standard 5 minutes With EDP Option 2 minutes...

Page 11: ...thin your company site only the skid of the adsorption dryer may be used for lifting Lifting at any other points on the equipment will void the warranty and damage the equipment 1 7 STORAGE If the ads...

Page 12: ...USE OF A PREFILTER AND AFTERFILTER CONTINUED Both filters should be equipped with an incident monitor i e differential pressure indicator to advise of premature blockage of the filter elements Elemen...

Page 13: ...vided see paragraph 1 2 or can be customer furnished If vibration occurs at the installation site the adsorption dryer skid frame must be placed onto vibration dampers 2 2 ELECTRICAL CONNECTION Since...

Page 14: ...ARGER THAN DRYER EXHAUST Extending purge exhaust piping must not cause excessive back pressure on the chamber being regenerated A pressure reading of 3 psig there is considered too high for the dryer...

Page 15: ...e EDP dryers Wet air enters the working desiccant chamber it can be either the left or right at the inlet switching valve bottom and is dried as it flows upward through the desiccant bed Dry air exits...

Page 16: ...remove solids oil and water condensate from compressed air and other neutral compressed gases These filters provide high flows and low differential pressures Solids are filtered out by impact or by th...

Page 17: ...LED lit at a down arrow indicates that the chamber is in regeneration mode A chamber which is finished regenerating and is standing by will have no LED lit FIGURE 2 STATUS DISPLAY There are two Sulla...

Page 18: ...lve and observe the pressure build up on the chamber pressure gauge of the adsorption dryer Avoid an abrupt pressure build up as this may damage the dryer Turn the switch to the DRYER ON position NOTE...

Page 19: ...olation valves up and downstream of dryer Then immediately switch DRYER OFF Danger Dryer will remain pressurized 3 5 SHUT DOWN IN CASE OF A FAULT OR FOR MAINTENANCE Follow this sequence when switching...

Page 20: ...fails or loses power the DEW POINT display will read either sens or 999 3 7 2 HIGH HUMIDITY ALARM The hygrometer has been programmed to initiate an alarm if the dryer outlet dew point rises above the...

Page 21: ...ust be conveyed to Sullair This information is given on the nameplate mounted on the control cabinet 4 1 2 WEEKLY CHECK Check the incident monitor on the prefilter A value in the red suggests the elem...

Page 22: ...te the dewpoint sensor humidity probe NOTE In order to ensure continuous and trouble free operation a maintenance agreement with your authorized Sullair distributor is recommended 4 2 CHANGING THE FIL...

Page 23: ...input gas e g air Constancy of flow and temperature Whether full service cycling or low demand usage Time in service The following clues will suggest that you examine the desiccant and consider its r...

Page 24: ...art up 4 4 CHANGING THE PURGE REGENERATION ORIFICE Depressurize the dryer and switch DRYER OFF The regeneration orifice is integrated into pipe fittings that are threaded directly into the top manifol...

Page 25: ...0159 630 1 02250159 630 1 Gasket 3 inch 02250159 622 4 02250159 622 4 Check Valve 02250130 326 2 02250130 326 2 Purge Valve Purge Valve Kit 02250138 847 2 02250138 847 2 Solenoid Block 02250159 641 1...

Page 26: ...630 1 Gasket 3 inch 02250159 622 4 02250159 622 4 02250159 622 4 Check Valve 02250130 326 2 02250130 326 2 02250130 326 2 Purge Valve Purge Valve Kit 02250138 847 2 02250138 847 2 02250138 847 2 Sole...

Page 27: ...ation gas too low Check regeneration orifice for soiling clean if necessary check operation of muffler and depressurization valve replace if necessary Back pressure in regenerating vessel Check if muf...

Page 28: ...k valve failed Verify springs and bushings on valves Verify seat O ring is not damaged Exhaust valve not fully open Verify operation of pneumatic actuator Verify pilot air to actuator Verify if valve...

Page 29: ...USER MANUAL Models SD 820 to SD 1710 with DDS Rev 04 October 2005 23 7 DRAWINGS...

Page 30: ...USER MANUAL Models SD 820 to SD 1710 with DDS Rev 04 October 2005 24...

Page 31: ...lve positioned for left chamber drying When 3 seconds have passed go to next step 2 DEPRESSURIZE RIGHT CHAMBER Keep EV 1L energized If in DRYER ON mode Energize EV 2R opening right chamber dump exhaus...

Page 32: ...energized De energize EV 2L close left chamber dump exhaust valve The repressurization timer begins a countdown of 40 seconds Inlet valve remains in current position NOTE The actual timer setting may...

Page 33: ...1450 1510 1700 1825 1950 SD 1710 1325 1515 1710 1810 1945 2080 2230 NOTE Higher pressures available as an option Consult factory 2 CORRECTION FACTOR FOR INLET TEMPERATURE TEMP DEGREES F 80 90 100 105...

Page 34: ...USER MANUAL Models SD 820 to SD 1710 with DDS Rev 04 October 2005 B 2...

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Page 36: ...AIR EUROPE S A Zone des Granges BP 82 42602 Montbrison Cedex France Tel 33 4 77 96 84 70 Fax 33 4 77 96 84 99 SULLAIR CORPORATION Subsidiary of Sundstrand Corporation 3700 East Michigan Boulevard Mich...

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