Contents: Introduction Description About the Manual Warnings Safety Technical Description System Overview Component Details Module Clamps Project Drawing and Bill of Materials Basic Installation Requirements System Units Required Tools Tightening Torques Foundation Support Assembly Purlin Installation Purlin Placing and Alignment Purlin Connector Module Clamp Installation Module Installation...
1.1. Description All necessary information regarding installation, The Sigma S1 is a single post PV ground mount system maintenance and disassembly will be provided. If you that allows for flexible arrangement of modules in either...
1.3. Warnings 1.4. Safety The following are used in the installation manual to Safety instructions for S-Rack Australia Pty Ltd products indicate safety-related information. These include: are included in the documents. Do not use the products in a manner other than its intended function.
2. 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.
2.3. Module Clamps Module Clamps are used to secure the PV modules to the Sigma S1 purlins. Module clamps are equipped with a clickstone, while laminate clamps use a T-head bolt to install the module clamps into the Sigma S1 purlins.
Bill of Materials • Project Drawings (s) which show: 4.2. Required Tools Exact module configuration for the project In order to mount the Sigma S1, the following tools are required: Specific foundation information for the project • Power drill/electric screwdriver Dimensions and tolerances •...
6. Axis tolerance E-W max. ± 2cm based on the post top Hint! After the ramming posts have been set, the pile head (about 3cm) should be treated with a zinc dust primer. This prevents premature corrosion and thus support the longevity of the system. 7 Sigma S1 Installation Manual...
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 8 Sigma S1 Installation Manual...
7. Purlin Installation The Sigma S1 System uses purlins mounted on the girder to hold the modules in place. Purlin clamps are used to secure the purlins to the girder. Note: Depending on project specifications, additional purlins may be required. Refer to the project- specific drawings.
8. Module Clamp Installation For framed modules, the module clamps for the Sigma S1 uses a clickstone to attach the module clamps to the purlin. The module clamps are Clickstone Nose inserted into the top channel of the purlin and tightened using an Allen key.
Use of a spare module clamp or other item as a spacing gauge between the modules columns ensures that the spaces between columns are the same. Image 9.1 – 3 Portrait Installation Image 9.1 – 4 Placing the next PV module 11 Sigma S1 Installation Manual...
4. Repeat the above steps until the top rail is reached. At the topmost purlin, install an end clamp on the outside of the last module to complete the column. Image 9.2 – 2 Installing next column of modules 12 Sigma S1 Installation Manual...
10. Maintenance When properly assembled, the Sigma S1 is a reliable and trouble-free system that requires minimal maintenance. Nevertheless, S-Rack Australia Pty Ltd recommends performing regular inspections and creating a maintenance schedule. By doing so, potential problems can be detected and resolved before they can become serious, ensuring the system’s...
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