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3

 Sigma S1 Installation Manual 

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Technical Description 
 

This section provides a breakdown of the Sigma S1 and its components. Upon delivery of the system, check to ensure 
that all parts and components adhere to the BOM and project specific drawings. Any items missing or damaged must 
be notified to S-Rack Australia Pty Ltd immediately. 
 

2.1.

 

System Overview 
 

An overview of the Sigma S1 system can be seen below (Image 2.1-1). Please note that some components can vary 
depending on project-specific requirements. 
 

 

 
 

Image 2.1-1 - System Overview of the Sigma S1 System 

Driven Pile 

Girder 

Strut 

Purlin Clamps 

Module Clamps 

Purlin 

Summary of Contents for Sigma S1

Page 1: ...Sigma S1 Installation Manual ...

Page 2: ...6 4 Basic Installation Requirements 4 1 System Units 6 4 2 Required Tools 6 4 3 Tightening Torques 6 5 Foundation 7 6 Support Assembly 8 7 Purlin Installation 9 7 1 Purlin Placing and Alignment 9 7 2 Purlin Connector 9 8 Module Clamp Installation 10 9 Module Installation 9 1 Framed Modules Portrait 11 9 2 Framed Modules Landscape 12 9 3 Frameless Modules Portrait 13 9 4 Frameless Modules Landscape...

Page 3: ...how all the project specific installation details choice of components dimensions and any deviation from the standard material assembly Therefore these drawings take precedence over the installation manual in case of discrepancies between the two documents The supplied material for the Sigma S1 according to the Bill of Materials BOM The content of these documents must be followed during installati...

Page 4: ...tes a potentially dangerous situation which may result in serious injury or damage to property if ignored CAUTION Indicates a potentially dangerous situation which may result in injuries or damage to property if ignored ATTENTION Indicates potential danger which can result in damage to property if ignored 1 4 Safety Safety instructions for S Rack Australia Pty Ltd products are included in the docu...

Page 5: ...onents adhere to the BOM and project specific drawings Any items missing or damaged must be notified to S Rack Australia Pty Ltd immediately 2 1 System Overview An overview of the Sigma S1 system can be seen below Image 2 1 1 Please note that some components can vary depending on project specific requirements Image 2 1 1 System Overview of the Sigma S1 System Driven Pile Girder Strut Purlin Clamps...

Page 6: ...4 Sigma S1 Installation Manual Sigma S1 Installation Manual 2 2 Component Details Overview of System Components Foundation Girder Strut Purlin Purlin Connector Purlin Clamp with Cage Nut ...

Page 7: ...f a PV module row These clamps are available in discrete sizes allowing it to precisely match the required PV module thickness Module Mid Clamp These clamps are installed in between PV modules along a PV module row and can be integrated with grounding pins Laminate Mid End Clamps Laminate module clamps allow frameless modules to be mounted without applying too much pressure on the modules Image 2 ...

Page 8: ...e system units which can be up to 30m long without expansion gaps Please refer to the BOM and Project Drawings for the dimensions of a specific system unit 4 2 Required Tools In order to mount the Sigma S1 the following tools are required Power drill electric screwdriver Folding rule measuring tape Angle measuring tool protractor Spirit level or laser level tool M6 Allen key for module clamps M8 A...

Page 9: ...r specific dimensions and requirements Tolerances Image 5 1 1 Orientation of Driven Piles In the absence of specific information in the drawings the following guidelines apply 1 Post height max 2 cm based on planned height 2 Position E W max 5 cm Position N S max 2 cm 3 Inclination tolerance E W max 2 1 2cm m 4 Inclination tolerance N S max 2 5 Torsion max 2 6 Axis tolerance E W max 2cm based on t...

Page 10: ...d pile together as shown in Image 6 1 Please refer to the Project Drawings and BOM for the correct type positioning and small parts used for the connections Make sure to observe the right tightening torques Note Depending on project specifications an additional strut may be required Refer to the project specific drawings Image 6 1 General Structure of the Sigma S1 Support ...

Page 11: ... into the girder Clamp both sides of the purlin to the purlin clamps 3 Check that the spacing of the purlins does not get shifted with the final tightening of the bolts Readjust if necessary 4 Adhere to the specified tightening torques 7 2 Purlin Connector The purlins are spliced together using a purlin connector Mounting Steps 1 Slide the purlin connector halfway into the installed purlin Secure ...

Page 12: ...firmly rock the clickstone upright until it clicks into place 3 For laminate clamps align and insert the T head bolt into the top channel of the purlin 4 Tighten the clamps using the recommended torque settings Hint The clickstone is made undersized so that it is easy to lock it in the module rail channel By tightening the screw the clickstone is forced apart ensuring the right support To remove t...

Page 13: ...end clamps onto the module frame 3 Insert a mid clamp into each the purlin Push it flush against the module ensuring the clamp body rests on top of the previously installed module frame Place the next module on the purlin and slide it against the mid clamps 4 Repeat the above steps for the rest of the row of modules At the end of a row install an end clamp on the outside of the last module to comp...

Page 14: ... tighten the end clamps onto the module frame 3 Insert a mid clamp into the next purlin Push it flush against the module ensuring the clamp body rests on the previously installed module frame Place the next module onto the next purlin and slide it against the installed mid clamp 4 Repeat the above steps until the top rail is reached At the topmost purlin install an end clamp on the outside of the ...

Page 15: ...eless Modules Landscape 1 Insert a laminate end clamp into the bottom purlin Place the frameless module on the purlin and insert it into the laminate end clamp leaving a 1mm gap 2 Insert a laminate mid clamp into the next purlin and insert the installed module into it Install the next module by inserting it to the installed laminate mid clamp When inserting the modules into the laminate mid clamp ...

Page 16: ...ly inspected for obvious loose connections missing components modules which appear to have shifted vegetation overgrowth wind blown debris and other indications of abnormality annually Any problems detected at this time should be addressed and repaired as necessary 9 2 Testing After one year in service it is good practice to check the torque settings of a representative sample of system connection...

Page 17: ...Pty Ltd Suite W3B4 75 O Riordan Street Sydney Corporate Park Alexandria 2015 NSW Tel 02 89 993 830 Fax 02 89 993 835 info s rack com au Subject to technical alterations 2021 S Rack Australia Pty Ltd Ver Date 28 01 2021 ...

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