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0:1:UNIRAC Unirac. Code-Compliant Installation Manual SolarMount <br />[3.2.1] Planning your SolarMount installations <br />The installation can be laid out with rails parallel:to the rafters <br />or perpendicular to the ra fters. Note that SolarMount rails <br />make excellent straight edges for doing layouts. <br />Center the installation area over the structural members as <br />much as, possible. <br />Leave enough room to safely move around the array during <br />installation. Some building codesrequire minimum clearances <br />around such installations, and the user should be directed to <br />also check The Code'. <br />The width ofthe installation al·ea equals the length of one <br />module. <br />The length of the installation area is equal to: <br />• the total width o f the modules, <br />• plus 1 inch for each space between modules (for mid- <br />clamp), <br />• plus 3 ;inches (114 inches foreachpair of end clamps). <br />Peal< <br />-1-1 <br />lilli <br />--1 ; il@ <br />(1)- . Low-profile <br />M - <br />LU mode- High-profile - <br />mode <br />(11 <br />& <br />LU <br />e i <br />Gutter <br />Figure 6. Rails may be placed parallel orperpendicular to rafters <br />P.1&. <br />16 <br />:i.,