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FläktGroup SEMCO Ascendant Owner's Manual

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SPECIALIZED
HEALTHY
AIR SOLUTIONS
OWNER'S MANUAL

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Summary of Contents for FläktGroup SEMCO Ascendant

  • Page 1 SPECIALIZED HEALTHY AIR SOLUTIONS OWNER’S MANUAL...

  • Page 2: Table Of Contents

    FläktGroup SEMCO Ascendant™ Series The FläktGroup SEMCO System . . . . . . . . . . . . . . . . . 1 required supply air dew point.

  • Page 3: System Installation

    ASCENDANT ™ ASCENDANT ™ SYSTEM INSTALLATION Chokers need to be adjustable so that the unit is level when it is picked up and, more importantly, Active set down. Setting the unit down on one corner could Dehumidification Regeneration How to handle the system upon delivery to the project site. cause the unit to rack.

  • Page 4: Inspection

    ASCENDANT ™ ASCENDANT ™ exposed to still more grime on the construction If moisture is found in any module, it must be removed Hoist the second module by its lifting lugs site. Therefore, it is imperative that the exterior immediately. The source of the moisture must be (continue to use spreader bars), and position it INSTRUCTION of each module be washed down with soap and...
  • Page 5 ASCENDANT ™ ASCENDANT ™ Insert one edge of roof panel as shown and rotate into place (See FIGURE 13). Crimp roof lips with crimping tool (See FIGURE 14). BUTT STRAP Finish high side of roof with rain cap. Screw in place similar to factory cap.

  • Page 6: Mounting Details, Curb Support

    ASCENDANT ™ ASCENDANT ™ Complete service connections to piping and MOUNTING DETAILS, CURB SUPPORT power. Be certain to check specific requirements for electrical power to the energy recovery unit, fans, dampers and other electrical devices. UNIT LENGTH 3¼" GASKET TYPICAL BOTH CURB LENGTH = UNIT LENGTH - 6 ½"...

  • Page 7: Mounting Details, Grid Or Pad Support

    ASCENDANT ™ ASCENDANT ™ MOUNTING DETAILS, GRID OR PAD SUPPORT ACTIVE DESICCANT WHEEL The bearing set screws should be torqued to 15 ft-lbs. UNIT LENGTH All necessary active desiccant wheel components Upon unit startup observe the wheel in operation and verify that the rotor does not bind. If binding have been installed at the factory and tested for FIELD JOINT CENTERLINE...

  • Page 8: Dampers

    ASCENDANT ™ ASCENDANT ™ DAMPERS • Rotate the impeller by hand; it should turn freely. The dampers are controlled by electric motors. If not, check for obstructions and contact Make sure that wiring is complete. Check the FläktGroup SEMCO (see the BACK COVER wiring diagram on the motor.
  • Page 9 ASCENDANT ™ ASCENDANT ™ MODEL SIZE PRE-FILTER CAPACITY AND RESISTANCE DATA • SIZE 5 SIZE 9 SIZE 13 SIZE 18 SIZE 24 ACTUAL SIZE RESISTANCE AT CAPACITY CAPACITIES (CFM) NOMINAL (INCHES) (INCHES W.G) FILTER SIZE SA FILTER 24" x 24" (4) 24"...

  • Page 10: Unit Control

    ASCENDANT ™ ASCENDANT ™ UNIT CONTROLS PROGRAMMING PARAMETERS SEQUENCE OF OPERATION PARAM. DEFAULT SEMCO FUNCTION OPTIONS COMMENTS TITLE SETTING SETTING Refer to the Unit Submittal for a detailed sequence of B1-01 Frequency 0: Operator - Digital preset speed d1- Selects the frequency operation, performance, and wiring schematic.

  • Page 11: Troubleshooting

    ASCENDANT ™ ASCENDANT ™ TROUBLESHOOTING • The motor does not stop. • The digital operator displays text that indicates the The basic troubleshooting strategy is to determine if specific alarm or minor fault and the indicator PARAM. DEFAULT SEMCO the problem resides with the program, controller, input FUNCTION OPTIONS COMMENTS...

  • Page 12: Maintenance

    ASCENDANT ™ ASCENDANT ™ MAINTENANCE TROUBLESHOOTING: FANS AND MOTORS PROBLEM POSSIBLE CAUSES SOLUTION DAILY MAINTENANCE Check for dirt. If dirty, clean motor. Airfoil blades are usually hollow. Out of balance fan motor. Check inside for moisture. If it is accumulating, drill 3/16” drain hole It is recommended that the unit be visually inspected daily.
  • Page 13 ASCENDANT ™ ASCENDANT ™ MAINTENANCE: SYSTEM The bearing bolts normally require checking at start-up holding the bracket to the perimeter, correct the TENSIONER ADJUSTMENT only. The bearing bolts should be torqued to 50 ft-lbs. position, laterally and/or along the perimeter, so the The system enclosure requires very little maintenance Loosen the tensioner by accessing the teeth now mesh, and reattach the bracket using #10 x...
  • Page 14 ASCENDANT ™ ASCENDANT ™ MAINTENANCE: FANS seal of the same shape, design and material used THIS PAGE WAS INTENTIONALLY LEFT BLANK originally. Do not use a different size or shape. In Check shafts and fan wheels every three months for some instances, the seal may not be replaceable dirt buildup, corrosion and cracks, and other signs of and it may be necessary to replace the entire...
  • Page 15 SPECIALIZED HEALTHY AIR SOLUTIONS WWW.SEMCOHVAC.COM ASCENDANT IOM / 2021.09.12 FläktGroup SEMCO delivers smart, energy-efficient, air-quality solutions to support every building application. We offer our customers innovative technologies, high-quality products and outstanding performance supported by more than fifty years of accumulated industry experience. The broadest offering on the market and a strong market presence in 65 countries worldwide guarantees that we are always by your side, ready to deliver: Excellence in Solutions.

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