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SPECIALIZED

HEALTHY

AIR SOLUTIONS

SPECIALIZED

HEALTHY

AIR SOLUTIONS

OWNER’S MANUAL

OWNER’S MANUAL

ASCENDANT

ASCENDANT

FIGURE 4.

 

All gaskets, bolts, and other items required for 

installation are shipped in a box located in the supply air 
compartment. On top of the box you will find a packing list.

STORAGE

INSPECTION 

In addition to inspecting modules and equipment 
visually for possible shipping damage, be sure to 
consult “Inspection” instructions described later in this 
manual for each optional component.

       exposed to still more grime on the construction  
       site. Therefore, it is imperative that the exterior  
       of each module be washed down with soap and  
       water soon after it arrives. Abrasives and solvents  
       should not be used without first consulting  
       FläktGroup SEMCO. 

   

4)

  The interior of each module should also be  

       cleaned throughly and all equipment should be  
       lubricated before storing or beginning operation. 
 

   5)

  See other sections for specific lubrication  

       instructions.

If the system, or parts thereof, must be stored before 
installation, indoor storage is preferred. If not possible, 
modules should be located on a hard surface with 
adequate drainage so that water cannot accumulate 
under the modules. A solid paved surface would be 
appropriate. Modules must be stored on blocks or 
timbers that raise modules at least four inches above 
the ground. 
 
If stored indoors, modules should be protected from 
damage. If stored outdoors, modules must be covered 
with well-anchored canvas tarps. Heavy-mil plastic 

tarps should be used with caution as they can trap 
moisture against the unit. 
 

MOISTURE MUST NOT BE ALLOWED TO ENTER THE 

MODULES.

 

Whether stored indoors or outdoors, 

all openings must be closed tightly and piping 
penetrations must be capped. However, drain 
connections should be left open. 

As noted previously, modules must be washed to 
remove corrosive materials and dirt before storage.

During the storage period, modules should be opened 
and inspected every 30 days. Fans must be inspected 
and rotated a few times by hand and stopped in a 
position other than the original position. Fans should 
also be lubricated as prescribed on the fan label.

INSTALLATION

  

 1)

  Prepare the installation site by cleaning it of all   

       debris. Supports, which the modules will be  
       installed on, should be level. The unit base is  
       designed either for mounting on a concrete pad or  
       onto a roof curb (See 

PAGE 10

).

  

 2)

  Consult drawings and submittal provided to  

        determine the location of each module. Plan to  
        lift modules in the order required for your  
        Installation and within the limitations of your lifting  
        equipment (see 

LIFTING 

on 

PAGE 3

).

   3)  Adjoining ends of modules are covered with  
        plywood and/or plastic sheets during transport.  
        This must be removed prior to hoisting the  
        modules in place. (See 

FIGURE 6

).If installation    

FIGURE 5.

  

Module sides which are to be joined at time of installation are 
covered with plywood and/or plastic sheets for protection 
during transport.

Throughout the unit you will find instruction labels indicating 
which steps MUST be performed for proper installation. 
 
  

 4)

  

Remove shipping restraints at roof joint (not  

       shown).

  

 5)

  Hoist the first module in place. Spreader bars and  

       hoisting lugs must be used on each module for  
       hoisting. Do not use forklifts. (See 

FIGURES 1 

and 

2  

        

on 

PAGE 3

). 

 
  

 6)

  After positioning the module correctly, install  

       continuous gasket material on field joint flange as  
       indicated in 

FIGURE 6.

INSTRUCTION 

LABEL

REMOVE 

BEFORE 

INSTALLATION

BUTT STRAP

TEK SCREW 12" O.C.

POLYURETHANE CAULK

POLYURETHANE CAULK

PANEL

GASKET BETWEEN JOINT

TEK SCREW 12" O.C.

POLYURETHANE CAULK

POLYURETHANE CAULK

POLYURETHANE CAULK

PANEL

GASKET

FIGURE 6. 

Detail of field joint located on side.

FIGURE 7. 

Field joint located on base. Use only these bolts to 

pull the modules together!

   

7)

  Hoist the second module by its lifting lugs  

        (continue to use spreader bars), and position it  
        close to the first module. After aligning with the  
        first module, move the second module against the  
        first module. 
 
  

 8)

  Insert bolts that join the first two modules in the  

        unit base and tighten. The large bolts in the unit  
        base may be used to help pull the two modules  
        against each other. Do not use any of the internal  
        field joints to pull the units together. 
        (See 

FIGURE 7

).

   

9)

  Verify that the two modules are straight, square  

        and level. Use metal shims if necessary to level.  
 
  

10)

  Hoist and set succeeding modules as described  

        in 

STEPS 5-7

.

If moisture is found in any module, it must be removed 
immediately. The source of the moisture must be 
determined and corrected immediately. 

During storage, modules should not be stacked on top 
of each other.

Boxes containing bolts, gaskets and other items 
should be stored inside the modules (See 

FIGURE 4

).

  

11) 

 If installation requires that some modules be  

        placed on top of base or bottom modules, be sure  
        to install continuous gaskets between upper  
        and lower modules as indicated in drawings and  
        submittals. 
 
  

12)

  Do not torque connecting bolts until all upper  

        modules are installed. Experience suggests  
        installing bolts in the following manner. First,  
        attach bolts that join the centers of connecting  
        modules. Then work outward from the center  
        and attach remaining bolts, which will assure  
        proper alignment. Bolts should only be tightened  
        by hand until all upper modules are in place.  
        Then they should be torqued to 25 ft-lbs.

Summary of Contents for SEMCO Ascendant

Page 1: ...OWNER S MANUAL SPECIALIZED HEALTHY AIR SOLUTIONS...

Page 2: ...cant hybrid system Performance is optimized to deliver and control low dew point air while minimizing energy input The system is configurable as a dedicated outdoor air system DOAS or a recirculated a...

Page 3: ...isture in the air is adsorbed by the desiccant producing dry air A modulating damper allows a portion of the supply air to bypass the wheel The adsorbed moisture is desorbed by heated air regenerating...

Page 4: ...tions of your lifting equipment see LIFTING on PAGE 3 3 Adjoining ends of modules are covered with plywood and or plastic sheets during transport This must be removed prior to hoisting the modules in...

Page 5: ...pop rivet to close seal end of panel Crimp roof lips after installation Install butt strap over joint caulk and screw in place butt strap not shown First Foam Panel 16 Apply caulk at high and low poi...

Page 6: ...the following sections of this manual before proceeding 9 SPECIALIZED HEALTHY AIR SOLUTIONS OWNER S MANUAL ASCENDANT MOUNTING DETAILS CURB SUPPORT SELF FLASHING UNIT BASE SHOWING CURB SUPPORT REQUIREM...

Page 7: ...s should be torqued to 50 ft lbs The bearing set screws should be torqued to 15 ft lbs 4 The bearing set screws should be checked periodically for tightness A bearing set screw is located on each side...

Page 8: ...The PRE FILTER CAPACITY AND RESISTANCE TABLE FIGURE 26 and FINAL FILTER CAPACITY AND RESISTANCE TABLE FIGURE 27 provide data for most pre filters and final filters used in Fl ktGroup SEMCO systems Fo...

Page 9: ...ms equipped with pre filter and final filter banks it is recommended that pre filter banks be changed twice as often as final filters For air filter replacement a rigid cell type filter that matches t...

Page 10: ...f drive rated current kVA dependent 0 57 208 230 0 29 460 E2 03 Motor No Load Current 0 to E2 01 kVA dependent 0 23 208 230 11 460 Nameplate amps 40 Consult SEMCO PROGRAMMING PARAMETERS Fl ktGroup SEM...

Page 11: ...abilities which can be useful for troubleshooting or for emergency operation For automatic operation all output switches on the controller should be to the left Manuals for the inverters and any gas f...

Page 12: ...shaft immediately Fan operating in stall or unstable flow Make sure system is operating at design static pressure and design flow rates Noise motors Supply voltage is high or inconsistent Check suppl...

Page 13: ...g weather resistant materials Equipment contained within the enclosure requires regular maintenance to keep the system operating smoothly You will find maintenance instructions for every component in...

Page 14: ...and shafts for dirt and other foreign matter that would impede normal movement and prevent blades and seals from seating properly Clean as necessary Inspect seals every three months to be sure that no...

Page 15: ...s will be supplied upon request on receipt of order SEMCO is a registered Trademark of SEMCO LLC Other trademarks and logos in this publication may be property of SEMCO LLC its subsidiaries or any of...

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