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Sunmodo SMR Manual Download Page 7

SMR Pitched Roof System

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SunModo Racking Self-Bonding System

SunModo’s SMR system meets the stringent requirements of UL 2703 and CSA C22.2 No. 61730-2
which covers rack mounting systems, mounting grounding/bonding components, and
clamping/retention devices for photovoltaic (PV) modules. The SMR system is intended for, but not
limited to, PV module installations on residential roof tops, commercial buildings and freestanding
ground mount structures.

The SMR system components are designed in accordance with the National Electrical Code,
ANSI/NFPA 70 and Model Building Codes. These code requirements cover rack mounting systems
and clamping devices intended for use with PV module systems with a maximum system voltage of
1500V.

The patented SMR self-bonding system is for use with PV modules that have a maximum series fuse
rating of 30A. This means the maximum number of PV modules in the SMR system is limited by the
system voltage, so if a system has multiple inverters, the SunModo racking system can theoretically go
on forever.

Mid Clamp with Bonding Pins

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Summary of Contents for SMR

Page 1: ...SMR Pitched Roof System 1 of 48 SunModo PV Rack Mounting System UL2703 Compliant ...

Page 2: ... 2400 Pa Upward Pressure 50 125 psf 2400 Pa Warning In Canada the SMR Pitch Roof System can only be installed with maximum PV module area of 22 3 square feet 2 1 square meters Avertissement Au Canada le système de toiture en pente SMR ne peut être installé qu avec une surface de module PV maximale de 22 3 pieds carrés 2 1 mètres carrés TABLE OF CONTENTS Installer Responsibility 6 Safety 6 SunModo ...

Page 3: ...eck Mount Sealant Application 29 Roof Attachment 29 Rail Attachment 29 TopTile Installation Instructions 30 Pilot Hole 30 Stanchion Installation 30 Rafter Mount Foam Application 30 TopTile Correct Deck Installation 31 TopTile Acceptable Deck Installation 31 TopTile Incorrect Deck Installation 31 1 Spacer Assembly 32 Deck Mount Foam Application 32 Wood Screw Installation 32 Flashing Installation 33...

Page 4: ...9 Portrait Panel Configuration 40 Minimum Panel Height 41 End Clamp Location 41 SMR End Clamp 41 SMR Mid Clamp 42 SMR Mid Clamp Attachment 42 Landscape Panel Configuration 43 Shared Rail Roof Attachment 44 Shared Rail End Clamp Attachment 44 Shared Rail Mid Clamp Attachment 44 Ground Wire Attachment 45 Ground Lug Installation 45 Ground Lug Alternate Installation 45 Top Mount Cable Clip Installatio...

Page 5: ...SMR Pitched Roof System 5 of 48 SunModo Corporation Vancouver Washington www SunModo com Ph 360 844 0048 info sunmodo com Document D10210 V003 3 3 2021 SunModo Corp ...

Page 6: ...ners and any corrosion If loose components or loose fasteners are found during periodic inspection re tighten immediately If corrosion is found replace affected components immediately Installer to ensure the structural support members for mounting the array can withstand all code loading conditions Consult with licensed professional engineer for the appropriate loading conditions Installer to foll...

Page 7: ...round mount structures The SMR system components are designed in accordance with the National Electrical Code ANSI NFPA 70 and Model Building Codes These code requirements cover rack mounting systems and clamping devices intended for use with PV module systems with a maximum system voltage of 1500V The patented SMR self bonding system is for use with PV modules that have a maximum series fuse rati...

Page 8: ...38 XXX UltraMount Kit includes 3 L Foot 4 NS Slider Base Screw s Seal Washer s K50056 XX1 Rafter Mount With Lag screw K50056 XX3 Deck Mount With Self tapping screws UltraMount Tall L Foot Kit includes 4 L Foot 4 NS Slider Base Screw s Seal Washer s K50057 XX1 Rafter Mount With Lag screw K50057 XX3 Deck Mount With Self tapping screws 9X12 Flashing A50232 XX1 ...

Page 9: ...rdware 1X Flashing 1 Tall Spacer A20452 001 is available separately K10466 005 5 Mounting System K10466 007 7 Mounting System K10466 008 8 Mounting System Wood Deck Kit includes 1X Tripod Stanchion 3X 14 Wood Screws 1X M8 Hardware 1X Flashing 1 Tall Spacer A20452 001 is available separately K10461 105 5 Mounting System K10461 107 7 Mounting System K10461 108 8 Mounting System ...

Page 10: ... Standard Standing Seam Roof Mounting EZ 2 Mini Seam Roof Mounting Kit includes 2 Standing Seam Clamp M10 Set Screw M10 Flange Bolt K50210 002 EZ 2 Standing Seam Roof Mounting EZ 2 Standing Seam Roof Mounting Kit includes 2 Standing Seam Clamp 2X M10 Set Screws M10 Flange Bolt K50210 001 EZ 2 Standing Seam Roof Mounting Aluminum L Foot available in clear and black Flange Nut and Bolt included K100...

Page 11: ...tem 11 of 48 SMR End Clamp K10418 003 K10418 BK3 SMR Mid Clamp K10417 003 K10417 BK3 For single use only Shared Rail SMR End Clamp K10420 XXX Shared Rail SMR Mid Clamp K10419 XXX For single use only SMR100 Rail A20422 XXX ...

Page 12: ...00 Rail A20453 XXX SMR100 Structural Rail Splice K10421 002 For single use only SMR200 Structural Rail Splice K10462 002 For single use only SMR100 L Foot Adaptor K10433 XXX SMR200 L Foot Adaptor K10434 XXX Top Mount Cable Clip A20162 001 ...

Page 13: ...0 A20434 XXX SMR200 Rail End Cover A20440 XX1 SMR100 A20440 XX2 SMR200 Microinverter Mounting Kit K50052 003 Grounding Lug Kit May be repositioned until torqued to final value K10179 XXX For single use only Grounding Lug Kit May be repositioned until torqued to final value K10469 XXX For single use only ...

Page 14: ...S6V xxxP CS6X xxxP ET Solar ET P672xxxWW Hansol HSxxxSE V01 Hanwha Q Cells Q PEAK DUO L G4 2 xxxW Q PEAK DUO L G5 2 xxxW Q PEAK DUO G5 BLK xxxW Q PEAK DUO G5 xxxW Q PRO L G2 xxxW Q PEAKDUOBLK G6 xxx Q PEAKDUO L G5 2 xxx Q PEAKDUO L G5 3 xxx Q PEAKDUO L G6 2 xxx Q PEAKDUOBLK ML G9 xxx Hareon HR xxxP 24 Ba Heliene 72M xxx 72M BLK xxx 72P xxx 96M xxx Hyundai HiS MxxxTI HiS SxxxTI Itek Energy ITxxxHE ...

Page 15: ...SM120 8 xxxM RSM144 6 xxxM RSM150 8 xxxM RSM156 6 xxxM Sanyo HIP xxxBA3 HIT NxxxA01 Seraphim SRP xxx 6MA SRP xxx 6MA DG SRP xxx 6MB SRP xxx 6MB DG SRP xxx 6MB HV SRP xxx 6PA SRP xxx 6PA DG SRP xxx 6PA HV SRP xxx 6PB SRP xxx 6PB DG SRP xxx 6PB HV SEG xxx BMA SEG xxx BMA HV SEG xxx BMB HV SEG 6MA xxxBB SEG 6MA xxxBW SEG 6MA xxxWB SEG 6MA xxxWW SEG 6MB xxxBB SEG 6MB xxxBW SEG 6MB xxxWB SEG 6MB xxxWW ...

Page 16: ...21 xxx BLK D AC SPR X21 xxx SPR X21 xxx COM SPR X21 xxx D AC SPR X21 xxx BLK SPR X21 xxx BLK D AC SPR X21 xxx BLK SPR X21 xxx COM SPR X22 xxx SPR X22 xxx COM SPR X22 xxx D AC SPR X22 xxx D AC Trina TSM xxx PC PA05 TSM DE15M II TSM DEG15MC 20 II TSM DE15H II TSM DEG15HC 20 II TSM DE15V II TSM DEG15VC 20 II TSM DE19 TSM DEG19C 20 TSM DE21 TSM DEG21C 20 Yingli YLxxxP 29b ZnShine ZXM6 NHLDD144 Series ...

Page 17: ...ystem 17 of 48 Fault Current Path Diagram Items are listed in the fault current path in order from the PV Panel to the Grounding Lug 1 PV Panel 2 Mid Clamp Kit 3 SMR Rail Splice 4 SMR Rail 5 Ground Lug Fault Current Path ...

Page 18: ... nut and bolt hardware Set impact driver to its lowest torque setting 6mm Hex Drive Bit Adjustable Torque Wrench 0 35 Nm Anti seize compound Permatex 80071 or equivalent Tape measure Chalk line or laser Caulk gun and silicon sealant ChemLink M1 or equivalent for wood and composite roofs ChemLink DuraLink or equivalent for metal roofs Shingle Ripper Pry Bar 28mm 1 1 8 Sockets ...

Page 19: ...SMR Pitched Roof System 19 of 48 Tile Hole Saw Bit 1 1 2 diamter Dow Great Stuff FireBlock Spray Foam Saws for cutting aluminum rails as necessary ...

Page 20: ...to measure the bolt torque during final assembly and it is recommended that anti seize compound be applied to the screw threads Hardware Torque Ground Lug Screw to secure Ground Wire 5 6 Nm 4 2 ft lbs SMR End Mid Clamps 9 4 Nm to 10 2 Nm 6 9 ft lbs to 7 5 ft lbs SMR L Foot Adaptor 13 Nm to 15 Nm 10 ft lbs to 11 ft lbs Lag Screw As required Standing Seam Clamp Set Screws for both steel and aluminum...

Page 21: ...ag fastens the racking system to the roof Refer to manufacturer product data for more information on your footing attachment of choice Lag pull out withdrawal capacities lbs in typical lumber Specific Gravity 5 16 Shaft per 1 thrd depth 5 16 Shaft per 2 1 2 thrd depth Douglas Fir Larch 50 266 665 Douglas Fir South 46 235 588 Engelmann Spruce Lodgepole Pine MSR 1650 f higher 46 235 588 Hem Fir 43 2...

Page 22: ...e used to insure this Clean sawdust and fill hole with sealant such as Chem link M1 for wood and composite roofs Place the L Foot onto the Flashing and install the 5 16 M8 Lag Screw Use either a 6mm Hex Driver or a 1 2 Hex Socket Driver Do not over tighten Use a roofing bar to lift the roof shingle slide the flashing under the shingle Best practice tip For additional waterproofing apply beads of s...

Page 23: ...SMR Pitched Roof System 23 of 48 Gasket Compression Incorrect Under compressed EPDM Sealing Gasket Incorrect Over compression of EPDM Sealing Gasket Correct Compression of EPDM Sealing Gasket ...

Page 24: ...Bolt provided Loosely install the L Foot Adaptor to the L Foot using the M8 Bolt provided Install the Rail onto the L Foot and L Foot Adaptor Confirm that the hooks on the L Foot Adaptor are fully engaged with the hooks on the side of the Rail Adjust the Rail to the desired height and then secure the Rail to the L Foot Adaptor using the M8 Bolt use a 6mm hex driver and torque to 13Nm 10 ft lbs ...

Page 25: ...ttom of the shingle and drill the pilot hole for the Lag Bolt with a 7 32 6mm drill bit For maximum strength the hole should not be more than 3 in depth and a drill stop may be used to insure this Clean sawdust and fill hole with sealant such as Chem link M1 for wood and composite roofs Use a roofing bar to lift the roof shingle slide the flashing under the shingle Best practice tip For additional...

Page 26: ...iver Do not over tighten Install the L Foot with its M8 Bolt and Slider Nut onto the UltraMount Base The L Foot can be located up or down the roof slope to the desired position using the M8 Bolt provided use a 6mm hex driver and torque to 13Nm 10 ft lbs Attach the UltraMount Base to the roof by installing the 5 16 M8 Lag Screw Use either a 6mm Hex Driver or a 1 2 Hex Socket Driver Do not over tigh...

Page 27: ...ng the M8 Bolt provided Install the Rail onto the L Foot and L Foot Adaptor Confirm that the hooks on the L Foot Adaptor are fully engaged with the hooks on the side of the Rail Adjust the Rail to the desired height and then secure the Rail to the L Foot Adaptor using the M8 Bolt use a 6mm hex driver and torque to 13Nm 10 ft lbs ...

Page 28: ...height and then secure the Rail to the L Foot Adaptor using the M8 Bolt use a 6mm hex driver and torque to 13Nm 10 ft lbs Apply a circular bead of composite roof sealant around the bottom of the NanoMount Apply additional sealant to the roof if needed to seal gaps between shingles or to smooth uneven surfaces Locate the center of the rafter in the desired roof location and drill a 7 32 6mm pilot h...

Page 29: ... on the side of the Rail Adjust the Rail to the desired height and then secure the Rail to the L Foot Adaptor using the M8 Bolt use a 6mm hex driver and torque to 13Nm 10 ft lbs Apply a circular bead of composite roof sealant around the bottom of the NanoMount Apply additional sealant to the roof if needed to seal gaps between shingles or to smooth uneven surfaces Locate the desired roof location ...

Page 30: ... in the tile and underlayment If installing the TopTile Rafter Mount kit drill a 5 32 pilot hole into the rafter in accordance with the NDS guidelines It is important that the pilot hole is centered about the hole in the tile Use the straw nozzle and place a bead of Great Stuff FireBlock around the stanchion and hole in the tile After the Great Stuff FireBlock foam has cured install the Flashing U...

Page 31: ... higher or lower along the tile will increase or decrease the position of the 3 wood screw stanchion holes The 3 wood screw stanchion holes are above the tile and also above the collar of the EPDM cover on the Flashing Addition Great Stuff FireBlock spray foam can be used to prevent water infiltration The 3 wood screw stanchion holes are below the tile profile In this position the wood screws cann...

Page 32: ...of deck for 2 4 seconds Also spray around the stanchion and the hole in the tile Install the 3 wood screws into the stanchion Due to the side driving force of installing the screws into the sides of the stanchion care should be taken to keep the stanchion plum If required add a 1 Spacer to the bottom of the stanchion Remove the EPDM Washer install the 1 Spacer and replace the EPDM Washer with the ...

Page 33: ...aptor to the L Foot using the M8 Bolt provided Install the Rail onto the L Foot and L Foot Adaptor Confirm that the hooks on the L Foot Adaptor are fully engaged with the hooks on the side of the Rail Adjust the Rail to the desired height and then secure the Rail to the L Foot Adaptor using the M8 Bolt use a 6mm hex driver and torque to 13Nm 10 ft lbs Install the L Foot with its M8 Bolt onto the t...

Page 34: ...ly install the L Foot Adaptor to the L Foot using the M8 Bolt provided Install the Rail onto the L Foot and L Foot Adaptor Confirm that the hooks on the L Foot Adaptor are fully engaged with the hooks on the side of the Rail Adjust the Rail to the desired height and then secure the Rail to the L Foot Adaptor using the M8 Bolt use a 6mm hex driver and torque to 13Nm 10 ft lbs Select the correct EZ ...

Page 35: ...tor are fully engaged with the hooks on the side of the Rail Adjust the Rail to the desired height and then secure the Rail to the L Foot Adaptor using the M8 Bolt use a 6mm hex driver and torque to 13Nm 10 ft lbs Select the correct EZ Standing Seam Roof Mounting System to fit your roof Snap a line or use a laser to line up the clamps on the roof panel seams Assemble the 2 Clamp in place by slidin...

Page 36: ...esigned to be both a structural and bonding rail splice Insert the SMR Splice into the first Rail Insert the SMR Splice into the second Rail until both Rails are stopped by the M8 Bolt Secure the SMR Rail Splice by tightening the M8 Bolt use a 6mm hex driver and torque to 13Nm 10 ft lbs See the SMR Rail and Splice Use Case section for permissible Splice locations ...

Page 37: ...Splice Use Case section for permissible Splice locations The maximum permissible continuous Rail run before a thermal break is 60 feet In cases where a thermal break is necessary it is recommended to use an SMR Splice in conjunction with the Wiley Bonding Jumper WEEBBNDJMP8 0 to insure continuous bonding across the thermal break Insert the SMR Splice into the Rails with a 1 1 4 inch gap between Ra...

Page 38: ... span charts In these cases it is acceptable to use a minimum of 1 support per rail section as long as all supports are located at a minimum of 48 inches on center and the first and last rail sections have a minimum of 2 supports Installation over roof overhangs or within 10 of any roof edge is not recommended Maximum end cantilever of aluminum support rail shall not exceed 1 3 of allowable span i...

Page 39: ... SMR Rail Splice where required shall be installed within a distance of L 4 from either Roof Attachment where L is the rail span Rails installed with 3 or more Roof Attachments 2 or more rail spans SMR Rail Splice where required shall not be installed within a distance of L 8 from any Roof Attachment where L is the rail span ...

Page 40: ...e Rated Type 1 and 2 PV Modules and UL 2703 compliant for electrical bonding tested by ETL Proceed with the mounting of the PV panels using the roof attachment Mid Clamps and End Clamps Specific mounting instructions are shown in the following sections for portrait mounting A typical portrait roof layout features two East West rails Mid Clamps are used between PV panels they will produce 3 4 75 2 ...

Page 41: ...e Rail at the ends of the PV panel array Confirm that the hooks on the End Clamp are fully engaged with the hooks on the side of the Rail Secure the PV panel frame to the Rail using the End Clamp use a 6mm hex driver and torque to 9 4 Nm 6 9 ft lbs Note For a single panel configuration install bonding pins into the Bonding Pin Holder of the End Clamp Minimum leading edge height to meet the UL1703 ...

Page 42: ...els Confirm that the hooks on the Mid Clamp are fully engaged with the hooks on the side of the Rail Secure the PV panel frame to the Rail using the Mid Clamp use a 6mm hex driver and torque to 9 4 Nm 6 9 ft lbs The patented SMR self bonding system is for use with PV modules that have a maximum series fuse rating of 30A ...

Page 43: ... compliant for roof waterproofing wind and wind driven rain tested UL 1703 compliant for Class A Fire Rated Type 1 and 2 PV Modules and UL 2703 compliant for electrical bonding tested by ETL Proceed with the mounting of the PV panels using the UltraMount Shared Rail Mid Clamps and Shared Rail End Clamps Specific mounting instructions are shown in the following sections for portrait mounting ...

Page 44: ...p use a 6mm hex driver and torque to 9 4 Nm 6 9 ft lbs Note For a single panel configuration install bonding pins into the Bonding Pin Holder of the End Clamp Install the Mid Clamp on the Rail between PV panels Confirm that the hooks on the Mid Clamp are fully engaged with the hooks on the side of the Rail Secure the PV panel frame to the Rail using the Mid Clamp use a 6mm hex driver and torque to...

Page 45: ...r solid or stranded including 6 thru 12 THHN or THWN jacketed cable See PV module s installation instructions when mounting the Ground Lug to the PV module The picture shows a Ground Lug mounted on one Rail per row of panels Ground Lug K10179 001 and K10469 001 detailed installation document D10003 are available from SunModo separately Drill a hole on the side of the Rail large enough to accommoda...

Page 46: ...le Clip Installation Side Mount Cable Clip Installation Attach the Side Mount Cable Clip to the side of the Rail and space as needed Attach the Top Mount Cable Clip to the top of the Rail and space as needed Attach the Top Mount Cable Clip to the top of the Rail and space as needed ...

Page 47: ...l can be located on the Rail End Caps can be attached to the end of the Rail as shown Install the T Bolt into the Rail in the desired location Add a lock washer between the Rail and microinverter mounting bracket Add a lock washer on top of the microinverter mounting bracket and secure using the hex nut Use a 6mm hex driver and torque to 13Nm 10 ft lbs ...

Page 48: ...SMR Pitched Roof System 48 of 48 See www sunmodo com for current warranty documents and information SunModo Corporation Ph 360 844 0048 ...

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