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9910046 RevG April 2021

Appendix D: Mechanical Attachment (“MA") Strut

Part Number: 500022301 & 2000830

Step 1. Assemble

template for

components as shown, finger tighten
fasteners only until alignment with
installed attachment is confirmed.

Tip:

All hardware is included with

500022301

(MA Hardware Kit)

PAGE

23

Tip:

Install

MA’s

after grid assembly is completed (prior to installing modules

and deflectors).

3/8” Nut

Mechanical Attachment Strut,

2000830

Roof Attachment

Manufacturer varies

Installation not covered by this
manual

L-bracket

part of 500022301

3/8” Bolt

3/8” Washer

Torque Clip

Torque Clip

Torque Setting*

Fastening Operation

21 ft-lb (29 Nm)

L-

bracket connections (3/8” bolts)

6 ft-lb (8.1 Nm)

Mechanical Attachment Strut to Base connection

Drill with In-Line Torque Limiter or torque wrench

Various sockets (see table)

ALERT: NO IMPACT DRIVERS

* +/-4% allowable during installation

Socket sizes

Fastening Operation

10 mm Magnetic

Used with 6 mm bolts

9/16”

Used with 3/8” bolts

Tools Required:

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Содержание Panelclaw clawFR Dual

Страница 1: ...rounding Introduction Safety Overview 2 Storage Array Construction and O M considerations 3 System Components 4 Accessories 5 Tools Torque Construction Aid 6 Construction Aid Setup 7 Build Assemblies 8 Build East Edge Row 9 Build Remaining Rows 10 Place Ballast 11 Install Module Low Side 13 Install Module High Side 15 Continue Installing Modules 16 Cam Lock Claw Inspection 17 Electrical Grounding ...

Страница 2: ...THE SITE CRITERIA TABLE OF THE RACKING CONSTRUCTION SET DEFLECTORS MUST BE INSTALLED ON ALL MOUNTED MODULES TO AVOID POSSIBLE SYSTEM DAMAGE Safety Overview Safety is an essential part of every PV installation and every construction site It is imperative to plan ahead for any safety concerns and hazards to promote safe work practices during installation This section does not claim to address or sup...

Страница 3: ... manner is at the customer s own risk PanelClaw is not liable for claims related to improper storage and any such claims are not covered by the product warranty Operations Maintenance See O M Manual available upon request for initial inspection recommendations including steps that can be performed only during construction Sub Array Dimensions Each PV system is unique and is frequently made up of m...

Страница 4: ...00673 1 pair of grooves 2000815 1 groove Pair of grooves Both SKUs are shown here Check the Racking Construction Set to verify correct Cam Claw is received Cam 5000500 Ballast Block Solid cap concrete roof paver conforms to ASTM C1491 or C1884 standard and manufactured for freeze thaw resistance where applicable See Appendix E for more details ...

Страница 5: ...pendices D H Shim Pad 5000228 Optimizer Attachment 5000509 Wire Router 5000225XX Base Pad 2000678 Wire Clip 5000226 Lock Claw Clip 2000819 Wire Management Accessories See 9910053 Wire Management Manual Mechanical Attachment Strut 2000830 2000930 Mechanical Hardware Kit 500022301 5000423 Ground Lug Kit 5000494 WM Homerun 200082302 and 2000828 WM Homerun Clip WM Homerun Cover ...

Страница 6: ...Limiter or Torque Wrench 10 mm Magnetic Nut Driver ALERT NO IMPACT DRIVERS Tools Cam Spacer Lock Claw Insertion Depth Gauge 4 allowable during installation PAGE 6 Spacer Stick and Cam Spacer Kit 5000510 5000610 2000761 may be required Note Additional tools may be required when installing accessories Bolts which are installed into a pre installed nut are tightened to 6 ft lb ...

Страница 7: ...tick place one Rail 2000695 2000895 on the assembly as shown shift the Rail to find a location which allows for attachment with the specified bolts Tighten the bolts 1 2 Insert the bolt and adjust the Cam Spacer to the Cam Spacing dimension Adjust Spacer Stick Spacing S Spacing L PAGE 7 Typical Cam Spacer Usage 1X Rail 2000695 2000895 The optional 2000761 center piece is used only if 5000610 is sh...

Страница 8: ... location of orientation marker on Base Tip Immediately tighten bolts to 6 ft lb which are at the Tilt Arm end of the assembly 2 2 Use the Cam Spacer tool to correctly locate the Module Connector Tighten bolt to 6 ft lb Middle Valley Assembly Hole 2 Hole 1 Hole 2 Hole 2 East Module Assembly Hole 2 Base qty 1 or 2 Module Connector Cam Hole 1 Hole 3 Hole 2 Tilt Arm Scan here for Assembly Jig Manual ...

Страница 9: ...olt and tighten to 6 ft lb S L 3 3 Base edge measured to Pad edge Tip Base Edge is in line with Base Pad Tip S spacings are module centered L spacings are between modules Tip L S R and AEBE dimensions are found in the Racking Construction Set See Sheet Title Typical Array Dimensions Snap East Edge Array Edge and Base Edge lines Tip Snap Array Edge lines on one or both array edges row ends and snap...

Страница 10: ... Title Assemblies in the Racking Construction Set clearly indicates hole selection Using the wrong hole will result in an array which does not match site plan 4 1 Note Orientation ALERT Eastern and Western Edge Rails face the opposite direction bolts securing these rails are tightened to 6 ft lb Hole 1 Hole 1 Rail are required at Eastern and Western Array Edges ALERT Installation of Eastern and We...

Страница 11: ...th Module Connectors and tighten to 6 ft lb ALERT Every Rail must be fastened to two Module Connector assemblies Tip Ballast and Rails are only placed on S spacings Center them on the S spacing for equal ballast distribution 5 2 Place Ballast onto Rails If rapid cyclic movement of system is expected e g due to seismic activity or building vibration from activities within or nearby the structure be...

Страница 12: ...nger than 2100 mm with 7 or 8 ballast blocks require two 2 Rails Install Rail 2 on top of Rail 1 and tighten to 6ft lb Rail 1 Rail 2 5 3 Ballast must be placed as shown Ballast quantity affects the Ballast placement on the Rails and in some cases additional Rails are required as noted below ...

Страница 13: ...ee Sheet Title Typical Array Dimensions Tip Installing all East facing modules prior to installing West facing modules leads to faster system assembly ALERT Do not leave modules in vertical position go immediately to next installation step high side install ALERT When forecasted wind gusts exceed 25 of the wind speed listed in the Site Criteria Table of the Racking Construction Set all mounted mod...

Страница 14: ...GE 14 If Cam flanges align with the module mounting holes Contact PanelClaw Consult Sheet Title Typical Array Dimensions in the Racking Construction Set to verify that appropriate R dimension is in use Cam flanges are located away from the module mounting holes R ...

Страница 15: ...n and rest the module frame on the top of the Tilt Arms Tip Make sure the Tilt Arms are fully raised 7 1 Support module while carefully rotating the Tilt Arm just enough to rest the module frame on the Lock Claw tongue 7 2 Pull the Tilt Arm forward until the Lock Claw is fully engaged onto the module frame flange 7 3 LOCK CLAW NOT FULLY ENGAGED E Tip See Appendix I for Lock Claw reset method Scan ...

Страница 16: ... be complete pairs Domes to avoid system damage DOME Use Cam Claw as spacer to set spacing between modules ALERT Check the R dimension every 5th module and adjust spacing between modules as needed R Tip R dimension is found in the Racking Construction Set See Sheet Title Typical Array Dimensions ALERT If Cam Flanges are located on Module mounting holes refer to page 14 of the manual to verify appr...

Страница 17: ...e 8 Cam Lock Claw Inspection Inspect Cam side module connection Module and Cam are near flush Module and Cam have a large non uniform gap Cam installation can be quickly visually inspected no gauge is available or required by comparing a known good installation with all other installations Some gap between Module and Cam is permissible The graphics are representative only actual installation geome...

Страница 18: ... for each string does not exceed 40 amps Installers may opt to use multiple lugs per sub array for redundancy When grounding devices are installed according with the approved methodology and capacity below the connections described above meet all the requirements outlined in NEC 690 43 Grounding Instructions For modules that have been evaluated for use with clawFR Dual Tilt 10 Degree please follow...

Страница 19: ...ed in accordance with the system installation instructions System Ground Path The system ground path grid is established throughout the array by the interconnection of system components Specifically in the column direction via the Base and Module Connector connections and in the row direction via the Rail connections A Tyco lug connected to the Rail establishes a point of connection for the EGC at...

Страница 20: ...arlok grounding assembly part number 2106831 1 manufactured by Tyco Electronics Corporation The conductor size should be selected in accordance with NEC 690 45 and NEC 250 122 1 To ground the array first determine the groupings of strings whose power output wiring is grounded together at an equipotential grounding conductor location This could be all the strings within a physical sub array or all ...

Страница 21: ... for the application UL2703 26 3B Roof slope is less than 2 per ft The system has a Fire Class A rating for low slope roofs with Type 2 modules when the following requirements are met System is installed over a fire resistant roof covering rated for the application UL2703 26 3B Roof slope is less than 2 per ft The Rail nearest the Tilt Arm is installed such that its edge is flush near flush with t...

Страница 22: ...s is less than 25 see figure below ASTM C90 standard ballast blocks may be used Please note the additional block specifications below which may be more stringent than the ASTM specification It is strongly recommended that installers weigh several blocks on site to ensure block weights match what is it specified on PanelClaw s Racking Construction drawings PAGE 22 Ballast Block Description Nominal ...

Страница 23: ...lectors 3 8 Nut Mechanical Attachment Strut 2000830 Roof Attachment Manufacturer varies Installation not covered by this manual L bracket part of 500022301 3 8 Bolt 3 8 Washer Torque Clip Torque Clip Torque Setting Fastening Operation 21 ft lb 29 Nm L bracket connections 3 8 bolts 6 ft lb 8 1 Nm Mechanical Attachment Strut to Base connection Drill with In Line Torque Limiter or torque wrench Vario...

Страница 24: ...f markings at low edge of module process is the same for all MA installation locations Tip Use off center slots on the MA Strut if roof obstructions prevent the use of center slot ALERT See Sheet Title Ballast Layout XX in the Racking Construction Set for installation locations of Mechanical Attachments on each individual project Roof markings Torque Clip Torque Clip is fitted over the pilot holes...

Страница 25: ... Base Torque Clip Torque Clip Step 3 Install L bracket to MA Attachment using 3 8 nut provided and tighten Install torque clips onto the Bases and align with pilot holes Attach MA Strut to L bracket and align slots with torque clips Tighten remaining connections as shown MA Struts may be installed in several possible array locations ALERT See Sheet Title Ballast Layout XX in the Racking Constructi...

Страница 26: ...8 Nut Mechanical Attachment Strut 2000930 2000830 Roof Attachment Manufacturer varies Installation not covered by this manual U bracket 2000921 3 8 Bolt 3 8 Washer Torque Clip Torque Clip Torque Setting Fastening Operation 21 ft lb 29 Nm U bracket connections 3 8 bolts 6 ft lb 8 1 Nm Mechanical Attachment Strut to Base connection Drill with In Line Torque Limiter or torque wrench Various sockets s...

Страница 27: ...ge shows roof markings at low edge of module process is the same for all MA installation locations Tip Use off center slots on the MA Strut if roof obstructions prevent the use of center slot ALERT See Sheet Title Ballast Layout XX in the Racking Construction Set for installation locations of Mechanical Attachments on each individual project Roof markings Torque Clip Torque Clip is fitted over the...

Страница 28: ...everal possible array locations ALERT See Sheet Title Ballast Layout XX in the Racking Construction Set for installation locations of Mechanical Attachments on each individual project Tip Tighten M6 Bolt Connections before tightening 3 8 connections to Roof Attachment Interior Location Typical M6 Bolts tighten to 6ft lb 3 8 connections tighten to 21 ft lb MA Strut attaches to pilot holes in center...

Страница 29: ...Shim Pads can be provided and installed on the bottom of the Base Pads to ensure the Base rests on the roof at all contact points Each Shim Pad Pack includes a total of 50 Shim Pads Base Pad Place the Shim Pads underneath the Base Pads and press firmly Tip Use one or two Shim Pads as shown to ensure each Base rests on the roof at all contact points Shim Pad Alert A maximum of 2 pads may be used at...

Страница 30: ...oads of the arrays over more surface area If this is the case additional Base Pads can be provided and installed into additional slots on the bottom of the Bases to increase the load distribution to the roof Base Pads should be installed during the Step 2 Build Assemblies for clawFR systems Each Base Pad Pack includes a total of 350 Base Pads ALERT See Sheet Title Page Ballast Layout XX in the Rac...

Страница 31: ...10 mm Magnetic Used with 6 mm bolts 1 2 Used with 5 16 bolts ALERT 5 16 bolts are used for optimizer installation Check optimizer installation manual for specific instructions and installation torques Tools Required Each Optimizer Bracket Kit includes the following items sufficient for mounting 100 optimizers to clawFR 100 Optimizer Bracket 100 5 16 Flange nut 100 5 16 Bolt 100 5 16 Flat washer 10...

Страница 32: ... Arm using M6 bolts Torque to 6 ft lb Tip Preassemble the Optimizer Bracket to the optimizer prior to attaching to the system Tip Install optimizer to Tilt Arm before installing the module M6 Bolt Tilt arm Do not use this hole Star washer not shown see ALERT ALERT Push Optimizer towards Optimizer Bracket before tightening the bolt The Optimizer edge needs to be flush with the Optimizer Bracket edg...

Страница 33: ...tach Optimizer to Tilt Arm using M6 bolts Torque to 6 ft lb Tip Preassemble the Optimizer Bracket to the optimizer prior to attaching to the system Tip Install optimizer to Tilt Arm before installing the module M6 Bolt Tilt arm Do not use this hole The Optimizer Bracket is compatible with the following Module Level Power Electronics MLPE Tigo Energy TS4 A F TS4 A O TS4 A 2F TS4 A S TS4 A M Check w...

Страница 34: ...ock Claw Clips Tip Lock Claw Clips are installed in every Lock Claw 2 module Lock Claw Clips are to be installed after installation of modules Install the Lock Claw Clip by inserting the Lock Claw Clip into the gap between the Tilt Arm and the Lock Claw Push up on Lock Claw Clip until it is fully inserted into the Lock Claw Lock Claw Clip Lock Claw Clip Installed Lock Claw Tilt Arm Example of typi...

Страница 35: ...law angle relative to the Tilt Arm is outside the specified range of 8 to 10 degrees follow the steps below to reset the Lock Claw Place a finger or a suitable tool between the Lock Claw and Tilt Arm then slowly open the gap Adjust the gap angle to about 8 to 10 degrees 8 to 10 ALERT Do not bend the lock claw more than 20 degrees Doing so may cause permanent damage 20 PAGE 35 ...

Страница 36: ... system is compromised in any way Severe snow loads can result in module and or racking damage and in extreme cases electrical hazards Fall Hazards This section only applies to clawFR products installed on locations six feet or higher above grade Proper fall protection should be in place at all work sites There are many fall protection solutions readily available to help reduce exposure to fall ha...

Страница 37: ...suggested as a minimum to avoid injury based on the installation procedure outlined in this manual 1 Appropriate work clothing 2 Electrically insulated hard hat 3 Protective eyewear 4 EH rated safety boots 5 Gloves 6 High visibility safety vest 7 Hearing protection If any PPE appears to be defective stop the use of such equipment immediately and ensure it is replaced before work continues Refer to...

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