Summary of Contents for Roof Tech RT-RAIL
- Page 1 Solar Roof Mount System Installation Manual ROOF TECH RT RAIL INSTALLATION MANUAL REV. 1-2...
- Page 2 Leveling Rails and Grounding Ground Wiring Diagrams 9 - 10 Module Level Power Electronics (MLPE) Installation Module Installation and Wire Management End Caps List of Approved Modules 14 - 15 Technical Support: 1-858-935-6064 ROOF TECH RT RAIL INSTALLATION MANUAL REV. 1-2...
- Page 3 ETL Classification to UL 2703 and CSA TIL No. A402020 for bonding and grounding when installed in accordance with this manual. Rails, clamps, splices and mounting devices are UL2703 Listed for mounting flat-plate Photovoltaic Modules and Panels ROOF TECH RT RAIL INSTALLATION MANUAL REV. 1-2...
- Page 4 Roof Tech Flush Mount System Components Rail Mount and L-Foot 2.3 inch and 1.6 inch Rail Channel End Clamp 5050 Clamp Module Lead Clip Bonding Splice Rail Ground Lug MLPE Adapter Rail End Cap ROOF TECH RT RAIL INSTALLATION MANUAL REV. 1-2...
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Page 5: Tools Required
Refer to the P.E. Stamped Letters for the maximum span between mounts. The Maximum rail overhang (cantilever) length shall be 41% from the maximum span per P.E. Stamped Letters and not to exceed 36”. ROOF TECH RT RAIL INSTALLATION MANUAL REV. 1-2... -
Page 6: Install Rails
Simply position the adapter into the two feet on the bot- tom of the rail, and tighten the bolt slightly. Leave the bolt slightly lose to allow leveling of the rails in the next step. ROOF TECH RT RAIL INSTALLATION MANUAL REV. 1-2... - Page 7 Use a Ground Clamp to bond a ground conductor to a rail. Bonding Method 2: Frame Lug Use a module ground lug to bond a module frame to a ground conductor. The resulting system is bonded primarily through the module frames. ROOF TECH RT RAIL INSTALLATION MANUAL REV. 1-2...
- Page 8 Clamp Ground Lug Bonding Splice Minimum 10 AWG Copper Wire Fault Path Rail Frame Grounding Method 50-50 Clamp Channel Clamp Ground Lug Bonding Splice Minimum 10 AWG Copper Wire Fault Path Rail ROOF TECH RT RAIL INSTALLATION MANUAL REV. 1-2...
- Page 9 AWG Copper Wire Failt Path Rail SolarEdge Optimizer Frame Grounding method with SolarEdge Optimizers 50-50 Clamp Channel Clamp Ground Lug Bonding Splice Minimum 10 AWG Copper Wire Failt Path Rail SolarEdge Optimizer ROOF TECH RT RAIL INSTALLATION MANUAL REV. 1-2...
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Page 10: Wire Management
When using 1.6 inch rail, it is possible to damage connectors or large bundles of wire when 5050 bolts are tightened. Position connectors and bundles appropriately to prevent risk of ground faults. ROOF TECH RT RAIL INSTALLATION MANUAL REV. 1-2... -
Page 11: Module Installation
On the outside edge of the last module, install the clamps so that the side with the two stainless-steel pins is on the module frame. Tighten all bolts to the specified torque. ROOF TECH RT RAIL INSTALLATION MANUAL REV. 1-2... - Page 12 Place an end cap at the end of each rail to improve the look of the system. Drain holes on the bottom of the end caps ensure that water does not accumulate in the rails. ROOF TECH RT RAIL INSTALLATION MANUAL REV. 1-2...
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Page 13: Installers Responsibilities
• Module maintenance or removal must not break the bonding path of the system. • Ensure all products used are appropriate for the installation and array under the site’s loading conditions. • Use only Roof Tech parts or parts approved by Roof Tech; substituting parts may void any ap plicable warranty. - Page 14 1J, 4J, 4S, 5K, 5T, 60, 6J, 6S, 6W, 8K, 8T, or 9S Mitsubishi modules with 46 mm frames - PV-MYYxxxZZ Where "YY" can be LE or JE; and "ZZ" can be either HD, HD2, or FB Mitsubishi ROOF TECH RT RAIL INSTALLATION MANUAL REV. 1-2...
- Page 15 M250‐72, 250‐60, M215‐60, C250‐72, S230, S280, IQ 6, IQ 6+, IQ 7, IQ 7+, IQ 7X, Q Aggregator Solar Edge P300, P320, P340, P370, P400, P405, P505, P600, P700, P730, P800p, P800s, P850, P860 ROOF TECH RT RAIL INSTALLATION MANUAL REV. 1-2...
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