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  • Vertical Dryer Owner’s Manual

    SUPERIOR PERFORMANCE And Quality In Blast Cleaning Equipment

    Ph: (780) 425-5510 Fax: (780) 425-5540

    DSV-250, DSV-450, DSV-750, DSV-1000, DSV-1200 & DSV-1600 Models

    ! WARNING

    Manual # DSV1708

    Read Manual

    Copyright© 2017 Mod-U-Blast®, All Rights Reserved

    DSV-250 22 PSI TO GET 3450 RPM

    DSV-450 20 PSI TO GET 1725 RPM

    DSV-750 22 PSI TO GET 1725 RPM

    DSV-1000 22 PSI TO GET 1725 RPM

    DSV-1200 30 PSI TO GET 1725 RPM

    DSV-1600 20 PSI TO GET 1725 RPM

    Model Regulator Setting For Air Motors

    Failure to read, understand & follow all safety and operation procedures in this manual can cause injury or death. Manuals

    that are lost, incomplete, or damaged, must be replaced

    immediately.

  • Table of Contents

    Vertical Dryer Owner’s Manual

    2 Copyright© 2017 Mod-U-Blast®, All Rights Reserved

    Important Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

    How it Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

    Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

    Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

    Maintenance Instructions . . . . . . . . . . . . . . . . . . . . . . . . . 6

    Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

    Maintenance Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

    Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

    Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

  • • DO NOT OPERATE THIS SYSTEM ABOVE MAXIMUM WORKING PRESSURE (MWP) AND/OR MAXIMUM OPERATING TEMPERATURE (OF) SHOWN ON THE VESSEL ASME DATAPLATE. THIS ASME CODE VESSEL MUST BE PROTECTED BY A PRESSURE RELIEF VALVE. Refer to OSHA 1910.169 Par. b, Sub. Par (3) and ASME Boiler and Pressure Vessel Code, Section VIII, Division 1, UG-125 through UG-136. Also comply with all applicable provincial, state and local codes.

    • DO NOT ATTEMPT TO REMOVE OR REPAIR ANY PART OF THE SYSTEM UNTIL IT IS COMPLETELY DEPRESSURIZED. SERIOUS PERSONAL INJURY OR DEATH MAY RESULT IF THIS RULE IS NOT FOLLOWED.

    • DO NOT WELD OR GRIND ON VESSEL, THIS WILL MAKE IT UNSAFE TO USE. (Note: Any alteration to the vessel will void the ASME Code Certification and the warranty.)

    • INSPECT THE VESSEL, INSIDE AND OUT, REGULARLY FOR CORROSION, DENTS, GOUGES OR LEAKS. IF DAMAGED, REMOVE FROM SERVICE IMMEDIATELY.

    • DO NOT TRY TO TIGHTEN A LEAKING COVER. IMMEDIATELY SHUT OFF THE AIR SUPPLY AND DEPRESSURIZE THE SYSTEM.

    • DO NOT ATTEMPT TO REMOVE THE FILL COVER UNTIL THE SYSTEM IS COMPLETELY DEPRESSURIZED. WHEN THE VESSEL PRESSURE IS REDUCED TO ZERO, THE FILL COVER CAN BE REMOVED BY HAND. INSTALL A NEW GASKET AT LEAST ONCE PER YEAR. INSPECT THE FILL COVER AND SEALING SURFACE FOR DAMAGE SUCH AS CORROSION, CRACKS, OR DISTORTION. IF THERE IS ANY DAMAGE, REPLACE THE FILL COVER. REPLACE THE FILL COVER EVERY FOUR YEARS REGARDLESS OF CONDITION.

    • USE MOD-U-BLAST AUTHORIZED PARTS ONLY.

    • DO NOT USE POWER TOOLS TO TIGHTEN THE NUT ON THE FILL COVER. TOO MUCH FORCE CAN DISTORT THE FILL COVER AND/OR THE GASKET. IF DAM-AGED BY OVER-TIGHTENING, THE FILL COVER CAN BLOW OUT AND CAUSE SERIOUS INJURY OR DEATH. (Note: Tighten the nut until it is snug. When the vessel is pressurized, the pres- sure on the fill cover will complete the seal.)

    • THE USE OF PRODUCTS OTHER THAN MOD-U-BLAST® DESICCANT WILL VOID THE WARRANTY.

    Important Warnings

    3 Copyright© 2017 Mod-U-Blast®, All Rights Reserved

    Vertical Dryer Owner’s Manual

  • DRY-PRO by MOD-U-BLAST® Single Tower, Deliquescent, Air Dryers are a skid mounted system which includes an aftercooler, a coalescing filter and a single tower dryer filled with desiccant tablets. Warm air enters the aftercooler where it is cooled close to the surrounding temperature, water is then condensed out during this cooling process. The saturated air and the liquid water pass through a coalescing filter where any oil contaminants from the com- pressor are removed and then proceeds to the inlet of the dryer tank. The water and any solid particles present are separated by gravity and fall to the bottom of the dryer tank. The air moves up through the desiccant tablets which absorb the moisture from the air before it flows through the dryer outlet. The tablets dissolve gradually as they absorb the moisture. The dissolved desiccant and water, falls into the bottom of the vessel. The dryer must be drained periodically to remove the accumulated solution. A manual ball valve is installed for this purpose.

    How it Functions

    4 Copyright© 2017 Mod-U-Blast®, All Rights Reserved

    Vertical Dryer Owner’s Manual

    DRY-PRO by MOD-U-BLAST® Vertical Dryers are rated as follows: 250 CFM (DSV-250) - 450 CFM (DSV-450) - 750 CFM (DSV-750)- 900 CFM (DSV-1000) - 1200 CFM (DSV1200) - 1600 CFM (DSV-1600) at 100 PSI. Approach temperatures will vary with changes to the inlet conditions (flow, pressure, temperature) and the ambient temperature. The dew point out of the dryer tower is directly related to the inlet temperature entering the dryer vessel. The lower the inlet temperature, the lower the dew point of the outlet air.

    Performance

    DSV-250 200 PSI 210 250 305 360 415 470

    DSV-450 200 PSI 330 450 500 575 660 750

    DSV-750 200 PSI 630 750 960 1130 1300 1475

    DSV-1000 200 PSI 720 900 1000 1160 1350 1600

    DSV-1200 200 PSI 990 1200 1460 1720 2045 2430

    DSV-1600 200 PSI 1320 1600 1950 2300 2730 3245

    250 22 60 17

    450 22 40 25

    750 22 40 25

    1000 22 50 70

    1600 20 60 150

    Model Maximum 80 PSI 100 PSI 125 PSI 150 PSI 175 PSI 200 PSI

    Maximum Capacities for Dryer - CFM (Cubic Feet Per Minute)

    The aftercooler maximum inlet temperature is 250° F. When using MOD-U-BLAST® desiccant, the inlet temperature to the dryer tow-

    er should not exceed 100° F.

    Air Motor Size

    Working Pressure PSI

    Maximum Pressure PSI

    CFM Required

    Pressure & CFM Requirements for Air Motors

    NOTE: Working pressure is at 21°C (70°F) ambient temperature. In warmer weather the air motors can be operated up to or at the maximum pressure.

  • 250 22 60 17

    450 22 40 25

    750 22 40 25

    1000 22 50 70

    1600 20 60 150

    START UP PROCEDURES: Connect your compressor (fittings not included) to the DRY-PRO Vertical Dryer inlet, start compressor, then SLOWLY open the ball valve to pressurize the dryer. Make sure that the DRY-PRO Vertical Air Dryer is not subjected to sudden air surges. Always open the valves slowly to permit gradual air pressure between the Dryer and the compressor.

    *Check that the regulator pressure is set as shown on cover page of this manual to maintain the fan speed rpm ensuring proper aftercooler performance.*

    The DRY-PRO Vertical Air Dryer requires certain procedures to ensure best performance:

    1. DAILY DRAINING The desiccant and water solution in the bottom of the dryer should be drained often. The manual drain valve is installed on the dryer, must be opened at least once every 4 to 8 hours to drain the dryer. The dryer will require draining more often on humid days.

    *If the dryer is not drained regularly, it may become flooded and the accumulated liquid WILL enter the air system.*

    2. REFILLING THE DRYER WITH DESICCANT During the drying process, the desiccant tablets dissolve slowly. The desiccant consumption rate is dependent on several factors, such as inlet temperature, flow and pressure. To check the level of the desiccant, look into the sight window, if you can’t see the desiccant tablets then the tank has to be refilled to ensure peak dryer performance.

    5 Copyright© 2017 Mod-U-Blast®, All Rights Reserved

    Vertical Dryer Owner’s Manual

    DESICCANT: See below for desiccant refilling.

    LUBRICATOR OIL: Check oil level in lubricator regularly and add oil as required. (Automatic Transmission Fluid)

    Operation

    IMPORTANT ! Our DRY-PRO by MOD-U-BLAST® Vertical Air Dry- ers are shipped WITHOUT the lubricator oil installed.

    Lubricator oil (ATF) MUST BE INSTALLED before using the system.

    FAILURE TO MAINTAIN OIL LEVEL WILL CAUSE THE FAN MOTOR TO SEIZE

    IMPORTANT ! Our DRY-PRO by MOD-U-BLAST® Vertical Air Dryers are shipped with the desiccant installed. The desic- cant will NOT be installed if the unit is being shipped overseas at which point the proper amount of des- iccant will be shipped with the dryer and must be

    installed before using the system.

  • Maintenance Procedures

    6 Copyright© 2017 Mod-U-Blast®, All Rights Reserved

    CheCk DessiCant LeveL Look into the sight window, if the desiccant is not visible then top it off. Check the ope