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PRINTED IN THE U.S.A.

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SEE BACK OF THIS MANUAL FOR ADDITIONAL SAFETY INSTRUCTIONS

WARNING

READ ALL INFORMATION IN THIS MANUAL BEFORE BEGINNING INSTALLATION OR OPERATION OF THE
DRYER.  BEFORE STARTING INSTALLATION AND/OR MAINTENANCE PROCEDURES, TURN OFF THE MAIN
POWER TO THE DRYER AND COMPLETELY DEPRESSURIZE THE UNIT TO PREVENT PERSONAL INJURY.

DO NOT REMOVE, REPAIR, OR REPLACE ANY ITEM ON THIS DRYER WHILE IT IS UNDER PRESSURE.

NEVER OPERATE THIS DRYER ABOVE THE RATED OPERATING CONDITIONS.  OPERATION ABOVE SPECI-
FIED CONDITIONS WILL RESULT IN DECREASED PERFORMANCE, POSSIBLE DAMAGE TO THE UNIT AND/
OR PERSONAL INJURY.

2950 MECHANIC STREET

LAKE CITY, PA 16423

PHONE:814-774-2631

FAX: 814-774-3482

INSTALLATION, OPERATION & MAINTENANCE MANUAL

FOR

HEATLESS REGENERATIVE

COMPRESSED AIR DRYER

models

HLS-55 through HLS-150

FEBRUARY 2002

P/N 32-0266-B

HLS-55/80

HLS-120/150

Summary of Contents for HLS-55

Page 1: ... PERSONAL INJURY DO NOT REMOVE REPAIR OR REPLACE ANY ITEM ON THIS DRYER WHILE IT IS UNDER PRESSURE NEVER OPERATE THIS DRYER ABOVE THE RATED OPERATING CONDITIONS OPERATION ABOVE SPECI FIED CONDITIONS WILL RESULT IN DECREASED PERFORMANCE POSSIBLE DAMAGE TO THE UNIT AND OR PERSONAL INJURY 2950 MECHANIC STREET LAKE CITY PA 16423 PHONE 814 774 2631 FAX 814 774 3482 INSTALLATION OPERATION MAINTENANCE MA...

Page 2: ... INJURY AND OR EQUIPMENT DAMAGE MAY RESULT MAKE SURE THAT ALL EQUIPMENT BEING USED TO LIFT THE DRYER IS CAPABLE OF LIFTING THE WEIGHT OF THE DRYER IF THE DRYER IS TO BE TRANSPORTED OVERHEAD MAKE SURE THAT ALL PERSONNEL ARE ALERTED AND SAFETY PROCEDURES ARE FOLLOWED 2 2 INSTALLATION BEFORE STARTING INSTALLATION AND OR MAINTENANCE PROCEDURES TURN OFF POWER AND DEPRESSURIZE UNIT TO PREVENT INJURY SER...

Page 3: ...LS 80 HLS 120 HLS 150 ELECTRICAL Nema 4 Electrical enclosure Standard 115V 115V 1PH 50 60Hz Optional 230V 230V 1PH 50 60Hz DESICCANT Material Activated Alumina 1 8 2 5 MM Bead type Quantity Per Tower LBS HLS 55 30 5 lbs HLS 80 43 5 lbs HLS 120 67 5 lbs HLS 150 82 5 lbs OPERATING CONDITIONS Inlet Air Pressure MIN 60 PSIG MAX 150 PSIG Inlet Air Temperature MIN 40O F MAX 120O F Ambient Air Temperatur...

Page 4: ... to start up 4 3 REMOTE PURGE EXHAUST PIPING To reduce the noise during purging and tower depressurization this dryer was supplied with a muffler for installation on the purge exhaust valve If the sound or humidity discharged from this dryer is unaccept able the purge of this dryer can be piped remotely away IMPORTANT Make sure that the piping is as short as possible and does not create back press...

Page 5: ...ERSONAL INJURY AND DAMAGE TO THE DRYER WILL OCCUR IF THE DRYER IS CONNECTED TO A POWER SOURCE OTHER THAN THE VOLTAGE LISTED ON THE DATA TAG WHEN INSTALLING THE ELECTRICAL CONNECTIONS FOR THIS DRYER COMPLY WITH NATIONAL ELECTRICAL CODE AND ALL APPLICABLE FEDERAL STATE AND LOCAL CODES The power supply to the dryer will be connected into the dryer control box A 7 8 dia hole was provided in the bottom...

Page 6: ...nd the purge air which was vented to atomosphere earlier in the cycle is now used to repressurize the regenerated tower FIGURE 6A PNEUMATIC SCHEMATIC 6 1 2 CHANGEOVER DEPRESSURIZATION STAGE Tower changeover occurs after the previous regenerating tower is pressurized The controller signals the inlet transfer valve to switch The tower that was on line and drying the process air will begin to depress...

Page 7: ...pressurize both towers of the dryer until there is demand on the compressor The Hold LED will light if the dryer is wired as described and the compressor is not running IMPORTANT Operating this dryer on the 4 minute cycle will more than double the wear on the dryer components To reduce wear on the dryer operate the dryer on the 10 minute cycle if the 40O F dew point is acceptable 7 2 SETTING THE C...

Page 8: ...HING THE DUST AND PROLONGED CONTACT WITH THE SKIN FIRST AID IN CASE OF EYE CONTACT IMMEDIATELY FLUSH EYES WITH PLENTY OF WATER FOR AT LEAST 15 MINUTES CONSULT A PHYSICIAN Take dryer off stream following the SHUTDOWN PROCEDURES IN SECTION 8 For HLS 55 and HLS 80 Carefully disconnect the inlet and outlet piping assemblies from the dryer and process piping Disconnect the piping assemblies at the unio...

Page 9: ...tions correct them and condition the bed following the procedures in Section 5 3 ARE THE BYPASS VALVES OPEN OR LEAKING Check the valves if installed Repair or replace if faulty IS THE POWER ON AND RUN SWITCH PRESSED Check the main power source and check that the Power LED is lit Make sure that the dryer Run switch has been pressed and that the Run LED is lit IS THE SYSTEM PRESSURIZED The dryer is ...

Page 10: ...ontrol Air Filter Element control air filter Desiccant Activated Alumina 1 8 dia 25 pail Control Box complete Circuit Board only Membrane Panel Pressure Switch HLS 55 115V PART NO 14 2073 26 6516 26 6518 26 6522 14 2071 14 2077 26 6514 26 6517 29 0344 26 6464 26 6152 26 6251 26 6830 26 6831 33 0237 46 2771 26 6469 26 6356 26 5284 QTY 1 1 1 1 1 1 1 1 2 4 1 1 1 1 3 1 1 1 2 HLS 55 230V PART NO 14 207...

Page 11: ...trol Air Filter Element control air filter Desiccant Activated Alumina 1 8 dia 25 pail Control Box complete Circuit Board only Membrane Panel Pressure Switch HLS 120 115V PART NO 14 2075 26 6515 26 6518 26 6523 14 2071 14 2079 26 6514 26 6517 29 0344 26 6464 26 3734 26 6539 26 6830 26 6831 33 0237 46 2771 26 6469 26 6356 26 5284 QTY 1 1 1 1 1 1 1 1 2 4 1 1 1 1 6 1 1 1 2 HLS 120 230V PART NO 14 207...

Page 12: ...K FROM IMPROPER GROUNDING CAN CAUSE INJURY OR DEATH GROUND UNIT AND RELATED EQUIPMENT ACCORDING TO NATIONAL ELECTRICAL CODE AND LOCAL REGULATIONS WARNING WARNING READ THE OPERATOR S MANUAL BEFORE STARTING THIS UNIT FAILURE TO ADHERE TO INSTRUCTIONS CAN RESULT IN SEVERE PERSONAL INJURY OR DEATH REPLACEMENT MANUALS CAN BE PURCHASHED BY CONTACTING THE MANUFACTURER SAFETY PRECAUTIONS Safety is everybo...

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