Solar Mounting Solutions RL Universal Railless Residential Roof Mount System Installation Manual snapnrack.
An Intro to SnapNrack RL Universal snapnrack.com SnapNrack’s primary goal is to provide our customers with the lowest possible installed cost for mounting residential solar modules, without compromising the values the industry has come to expect: ease of use, quality, aesthetics, and safety. Designing with this goal in mind, we are proud to present the SnapNrack RL Universal Solar Mounting System.
Table of Contents snapnrack.com Project Plans Certification Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Component Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Pre-Installation Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Installation Steps System Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Certification Details snapnrack.com SnapNrack RL Universal system has been evaluated by Underwriters Laboratories (UL) and Listed to UL Standard 2703 for Grounding/Bonding, and Fire Classification. Grounding/Bonding Only specific components have been evaluated for bonding, and are identified as being in the ground path. The RL Universal components that have been evaluated for bonding are the Mount Assembly, Ridge Mount Assembly, Link Assembly, Skirt, Flash Track, Ground Lugs and Smart Clips.
snapnrack.com together and the assembly is bonded to ground through the Enphase R/C (QIMS2) Engage Cables; Model ETXX-240, ETXX-208 or ETXX-277, when properly grounded at the service entrance. R/C (QIMS2), Dynoraxx (E357716) photovoltaic bonding device cat. no. Dynobond is an optional component that may be used with this system. The Dynobond device has been evaluated to provide module to module bonding.
Component Details snapnrack.com RL Universal Structural Components Umbrella Lag SnapNrack Umbrella Lag q Composition Flash Track SnapNrack Composition Flash Track Link Mount SnapNrack RL Universal Mount assembly including rock in channel nut, Riser, Leveler, Mount clamp, and spring Skirt Spacers SnapNrack RL Universal Skirt Spacer for 40mm, 38mm, 35mm and 32mm modules (install 30mm modules with skirt and no spacer).
Component Details snapnrack.com Wire Managements Components Smart Clip Module frame cable clip, holds two PV wires or Enphase IQ-Cables Smart Clip XL Module frame cable clip, holds six PV wires or four Enphase IQ-Cable Grounding/MLPE Components Ground Lug R Ground Lug R including bonding channel nut, Ground Lug R PRC, bolt, and split lock washer. MLPE Frame Attachment Kit Attaches MLPEs (Module Level Performance Enhancers) and other related equipment to the module frame.
Component Details snapnrack.
Pre-Installation Requirements snapnrack.com Site Survey ò Measure the roof surfaces and develop an accurate drawing, including any obstacles such as chimneys and roof vents. 44'-0" ò If plans for the roof structure are available, verify that the plans match the final structure. 34'-0" 22'-4" ò Identify any roof access or setback areas as required by the local AHJ.
System Layout snapnrack.com Required Tools ò Roof Marking Crayon or Chalk ò Tape Measure ò Prybar LAYOUT INSTRUCTIONS Y-AXIS 1) Transfer the layout to the roof using marking crayon or chalk and identify the outside corners of the array. Draw attachment locations on the roof positioned in the x-axis to land on a rafter and in the y-axis to land between modules rows.
Composition Shingle Roof Attachment Required Tools Materials Included ò Hammer or Stud Finder q (1) SnapNrack Composition Flashing ò Roof Marking Crayon or Chalk (1) SnapNrack Flash Track ò Drill with 3/16” Drill Bit (1) SnapNrack 5/16” SS Umbrella Lag Screw ò Roof Sealant ò Socket Wrench ò Torque Wrench ò 1/2” Socket q 10 snapnrack.
Composition Shingle Roof Attachment snapnrack.com INSTALLATION INSTRUCTIONS 1) Using a Flash Track as a template, drill a pilot hole into the rafter with 3/16” drill bit. MARK FLUSH 1.25" MAX FLUSH Install Note: Composition Flashings should be installed in the nominal position; Marks on flashing edge flush with overlapping composition leading edge.
RL Universal Skirt Installation snapnrack.
RL Universal Skirt Installation snapnrack.com INSTALLATION INSTRUCTIONS 1) Install the font row of Mounts by rocking the channel nut on bottom of RL Universal Mount into Flash Track. 2) Partially tighten Riser bolt to seat the channel nut into the Flash Track.
RL Universal Skirt Installation K snapnrack.
Wire Management snapnrack.
Wire Management snapnrack.com INSTALLATION INSTRUCTIONS - RL GROUND LUG The RL Ground Lug to be used in accordance with the National Electric Code, ANSI/NFPA 70. 1) Ground Lug R can be attached to any Flash Track near the Junction Box. Insert Ground Lug R into Flash Track 2) Run 10 – 6 AWG, solid, bare copper GEC into Ground Lug R channel, torque clamping bolt to 16 ft-lb 3) Run bare, solid EGC from Ground Lug R to Junction Box, bond bare EGC to stranded EGC in Junction Box.
Wire Management snapnrack.com INSTALLATION INSTRUCTIONS - SMART CLIPS Route all conductors away from A Mounts and B Mount Bases and Flashings. SmartClips should be used to keep conductors routed away from non-bonded components.
MLPE & RSD Installation snapnrack.
MLPE & RSD Installation snapnrack.com INSTALLATION INSTRUCTIONS - SNAPNRACK MLPE FRAME ATTACHMENT KIT SnapNrack MLPE Frame Attachment kit are used to attach module level performance enhancing devices, and other devices such an SRD (rapid shutdown device), directly to module frames, and provide integrated grounding/bonding for Devices grounded through metal back plate.
MLPE & RSD Installation snapnrack.com INSTALLATION INSTRUCTIONS - SOLAREDGE FRAME MOUNT SOLAREDGE 1) Locate the SolarEdge optimizer with Frame-Mounted Module AddOn at a location on the module frame that will not interfere with the RL Universal Mounts. 2) Install the optimizer mounting plate onto the module frame and tighten hardware to 11 ft-lbs. 3) Connect the module leads to the input connectors on the optimizer and manage conductors with SnapNrack Smart Clips.
MLPE & RSD Installation snapnrack.com INSTALLATION INSTRUCTIONS - DECK MOUNTED MLPE & RSD 1) Drill pilot hole into decking with 3/16” drill bit, and apply roofing manufacturer’s approved sealant to lag screw, in a circle around pilot hole, and fill pilot hole with sealant 2) Install flashing underneath shingle course directly above pilot hole aligning hole in flashing with pilot hole.
Module Installation snapnrack.
Module Installation snapnrack.
Module Installation snapnrack.com INSTALLATION INSTRUCTIONS - BOTTOM ROW 5) Install next module in row by placing downslope edge of module onto Links and Mounts then lower upslope edge of module until level with roof 6) Slide Mount down the Flash Track and position the Mount to support the Module Install Note: Push modules together so they are tight against the Link module spacer 7) Attach Link to upslope side of modules tighten clamp bolts to engage both modules.
Ridge Mount Installation INSTALLATION INSTRUCTIONS - RIDGE MOUNT 1) Attach Ridge Mount Track with minimum 2-½” of embedment in to structural member and minimum 5” from Ridge to end of Composition Flashing 2) Slid Ridge Mount Extension into Ridge Mount Track and hand tighten Extension bolt RIDGE MOUNT, TOP VIEW RIDGE MOUNT, BEYOND MAX.
Cantilever Deck Mount Installation snapnrack.com INSTALLATION INSTRUCTIONS MIN 5.5 IN ±1 ”F RO MC ENT ER 1) Before attaching Cantilever Deck Mount to roof decking Align Flash Track with module so Mounts will be approximately centered on the Flash Track when clamped or sleeved to the module. A one inch (1”) variance up or down the Flash Track from center is acceptable. 2) Attach flashing and Flash Track to roof decking using a 5/16” x 2” lag screw.
Grounding Specifications GROUND PATH DETAILS snapnrack.com Grounding Specifications All RL Universal components in the fault current ground path have been Certified to be used multiple times for grounding/bonding. The UL 2703 Listing does not specify a maximum number of uses for the Mount, Link, or Ground Lug.
Appendix A snapnrack.com APPROVED MODULE INFORMATION The following modules have completed the UL 2703 Listing process for bonding and fire classification and have been approved for use with the RL Universal mounting system by the module manufacturer. Module manufacturer approval letters can be found at www.snapnrack.com.
snapnrack.com The SnapNrack name and SnapNrack logo are the property of SnapNrack, Inc. All information contained in this document are the property of SnapNrack, Inc. ©2019, SnapNrack, Inc. All rights reserved. SNR_RLUniversalInstallationManual_v1.
