UNIRAC SOLOBOX Junction Box

SAFETY INSTRUCTION

READ ALL INSTRUCTIONS AND SAFETY WARNINGS PRIOR TO INSTALLATION
SAVE THESE INSTRUCTIONS: This manual details important instructions that must be followed prior to installation, during installation and during service and/or maintenance. This manual must always be readily available.

SAFETY SYMBOLS:

WARNING

WARNING: IDENTIFIES CONDITIONS OR PROCEDURES, WHICH IF NOT FOLLOWED, COULD RESULT IN SERIOUS INJURY, DEATH OR PROPERTY DAMAGE.
SAFETY WARNINGS AND CAUTIONS:

CAUTION

CAUTION: IDENTIFIES CONDITIONS OR PROCEDURES, WHICH IF NOT FOLLOWED, COULD RESULT IN SERIOUS DAMAGE OR FAILURE OF EQUIPMENT.

• Lethal voltages may be present prior to installation, during installation, maintenance and/or operation of this equipment, ensure that all electrical connections are at zero voltage and properly disconnected before installing or when performing maintenance.
• Always de-energize circuits prior to installation or service. When disconnecting inverter, allow the appropriate amount of time for all electrical storage components to discharge before servicing.
• Proper safety equipment and personal protective equipment must be worn at all times.
• Do not install this equipment in wet conditions or if roof surface is wet or when covered in frost, ice or snow.
• Prior to drilling into attic, ensure no electrical wires, circuits or components are on the other side.

PRODUCT OVERVIEW

RESISTANT

| 1| 1
8| SCREW, 0.25-20 x .625 PAN HEAD

PHILLIPS SS

| 1| 1
9| SCREW, #10 x 0.5 THREAD FORMING

PHILLIPS ROUND HEAD SS

| 2| 4
10*| 35mm x 7.5mm SLOTTED DIN RAIL| 0| 1

INSTALLATION PREP

DETERMINE LOCATION: It is best to determine the location of the junction box during the system design process to ensure proper installation and code compliance. Note the following requirements to determine the proper location.
CAUTION

LOCATION REQUIREMENTS:

• JUNCTION BOX MUST BE INSTALLED BETWEEN RAFTERS. DO NOT INSTALLJUNCTION BOX DIRECTLY OVER RAFTER,
• THE SEALING AREA OF THE JUNCTION BOX MUST BE INSTALLED ON A FLAT, COPLANAR SURFACE. DO NOT INSTALL THE JUNCTION BOX SEALING AREA DIRECTLY ON TOP OF SEAM, VERTICALJOINT OR ON TWO SHINGLE COURSES OR LAYERS. SEE BELOW.
• PRIOR TO DRILLING INTO THE ATTIC ENSURE NO ELECTRICAL WIRES, CIRCUITS OR COMPONENTS ARE ON THE OTHER SIDE.

WARNING!

IF INSTALLING JUNCTION BOX UNDERNEATH MODULES, ENSURE THE SYSTEM GROUND PATH WILL NOT BE DISTURBED OR BROKEN DURING SERVICING. FAILURE TO DO SO COULD RESULT IN SERIOUS INJURY, DEATH OR PROPERTY DAMAGE.

1. MARK HORIZONTAL LINES:
   Mark drill hole location(s) by using jig located on deflector. Alternatively, drilling the hole in the bottom of the box and marking the location may be used.

2. MARK VERTICAL LINES:
   Mark drill hole location(s) by using jig located on deflector. Alternatively, drilling the hole in the bottom of the box and marking the location may be used.

3. DRILL HOLES:
   Drill hole(s) as needed using preferred bit.
   DO NOT EXCEED 1-7 /8″ DRILL BIT WHEN DRILLING THROUGH THE ROOF.

4. CLEAN ROOF SURFACE:
   Properly clean roof surface. ROOF SURFACE MUST BE FREE OF DEBRIS, FROST, ICE AND SNOW. Refer to Addendum B for installing in temperatures below 40 degrees F.

5. DRILL CONDUIT HOLES:
   Drill conduit holes as required in bottom and side of box. MAKE SURE TO USE DRILL POINTS INTEGRATED INTO SIDES AND BOTTOM OF BOX.

6. INSTALL CONDUIT HUB:
   Attached conduit fittings, as necessary. DO NOT EXCEED 1″ CONDUIT FITTINGS. CONDUIT FITTINGS MUST BE UL APPROVED AND RATED FOR OUTDOOR USE.

7. LIFT SHINGLE AND APPLY SEALANT:
   Directly above junction box locations lift upper course of shingles and place a thick horizontal bead of sealant. This will help adhere shingle back to the lower course. IMPORTANT: FOR 3-TAB SHINGLES ADD A VERTICAL BEAD OF SEALANT TO THE KEYWAY ON THE UPPER COURSE OF SHINGLES UPSLOPE OF BOX.

8. PLACE DEFLECTOR UNDER SHINGLE:
   Lift upper course of shingle and slide deflector under, align conduit fitting(s) with drilled holes and locate junction box.

9. SECURE TO ROOF:
   Screw all four (4) #12 fasteners through the mounting holes and into roof surface (until the washer is seated on the hole surface or until the box is fully seated). IMPORTANT: MAKE SURE TO TIGHTLY SECURE JUNCTION BOX TO ROOF SURFACE TO ELIMINATE ANY POTENTIAL BLOW OUT OF SEALANT.

10. INJECT SEALANT:
    Place one hand on top of junction box applying a sealant into the port on the upper right-hand side to 50 in-lbs).
    the of the box. Continue until the sealant vents out the left-hand side of the box through the vent.

11. ENSURE SEAL:
    Verify sealant has properly vented out left-hand side of box to ensure a proper seal.

12. CLOSE LID:
    Close lid and screw bolt into bottom of box until the TOP AND BOTTOM TABS ARE SECURED AND FLUSH

UNIRAC APPROVED SEALANTS: ChemLink DuraLink 50, ChemLink DuraLink 35 or ChemLink M1.
NOTE: Follow sealant manufacturer’s instructions. Follow sealant manufacturer’s cold weather application guidelines, if applicable.

J-Box Optional Bracket to Rail Attachment

Optionally the J-Box may be mounted directly to a solar rail via the Unirac J-Box Bracket. The dual-purpose Deflector/-Box Mount can be flipped for mounting to the -Box Bracket or used as a “Deflector” when slid underneath a course of shingle. NOTE: When mounting on north side of rail, seal existing weep holes with approved sealant and drill new weep holes using a 4mm or 5/52″ drill bit on the bottom of the box in the corners nearest to the deflector. Place weep holes at the lowest point to direct any moisture to exit the J-Box.

SOLOBOX-D Version and Din Rail Mounting SOLOBOX-D Version and Din Rail Mounting DIN RAIL COMES PREASSEMBLED AS SHOWN (SOLOBOX-D only)

OPTIONAL: DIN RAIL CAN ALSO BE INSTALLED INTO A BOX IF A NON-PREASSEMBLED BOX WAS PURCHASED.
Din rail should be cut and positioned as shown in the image above with two (2)

10 screws. If installing your own din rail, using standard 35mm x 7mm din

rail GROUNDING DEVICES SUCH AS LUGS OR GROUNDING BLOCKS. ENSURE THAT TERMINAL BLOCKS NEVER CONTACT CONDUIT HUBS.

SPECIFICATIONS & PARTS

J-Box speciications and Ratings

Product Certifications:

• UL 1741
• UL 441
• TAS 100
• Enclosure Rating: Type 3R
• Maximum Voltage: 600 Volts
• Maximum Current: 60 Amps
• Allowable Wire:
  • Inputs: 12 AWG – 10AWG
  • Outputs: 12 AWG – 8 AWG
  • Ground: 12 AWG – 6 AWG
• Roof Slope Range: 2:12 – 12:12
• Max Side Wall Fitting Size: 1”
• Max Attic Pass-Through Fittings: 2
• Attic Pass-Through Fitting Size Range: ½” – 1”
• Ambient Operating Conditions: -35°C to 75°C

WARNING

WARNING: DO NOT EXCEED MAXIMUM VOLTAGE, CURRENT OR FITTING SIZES. FAILURE TO DO SO COULD RESULT IN SERIOUS INJURY, DEATH OR PROPERTY DAMAGE.

CAUTION

CAUTION: ALL CONDUIT HUBS AND CABLE FITTINGS MUST BE RAINTIGHT, RATED FOR WET LOCATIONS AND COMPLY WITH THE UL STANDARD FOR CONDUIT, TUBING AND CABLE FITTINGS, UL 514B.

APPENDIX A

J-Box Typical Internal Components

• (4) #12-14 X 2.50 SCREW, HWH, SS, SELF-DR
• (2 or 4) #10 x 0.5” Thread Forming Phillips Round Head Screw
• ½” – 1” Conduit Hub/Fittings
• 12 AWG – 6 AWG (Ground Wire)
• 35mm Din Rail w/
• Terminal Blocks, fuse holder, rail stop and/or end plates.
• Push-In Wire Connectors
• Grounding Lugs
• Conduit Hub Grounding Bushings

Unirac Approved Sealants

• ChemLink DuraLink 50
• ChemLink DuraLink 35
• ChemLink M1

CAUTION

CAUTION: DO NOT USE NON-APPROVED SEALANTS. FAILURE TO DO SO COULD RESULT IN SERIOUS DAMAGE OR FAILURE OF EQUIPMENT.

TECHNICAL BULLETIN

DATE: JAN 23, 2014
DOCUMENT NO: CLTB 00122
TO: Contractors, Distributors, Architects & Homeowners
FROM: CHEM LINK Technical Services Division 1-800-826-1681
SUBJECT: Cold Environment Installation Guidelines

INSTALLATION AT TEMPERATURES BELOW 40 DEGREES F (4 DEGREES C) CAN BE DONE WHEN THE FOLLOWING PROCEDURES ARE FOLLOWED BY THE INSTALLER. AT THESE TEMPERATURES FROST AND ICE BECOME THE BIGGEST CONCERN AND HAVE TO BE ADDRESSED. IT IS THE INSTALLER’S RESPONSIBILITY TO ASSURE A CLEAN, FROST AND ICE FREE SUBSTRATE. THIS CAN BE ACCOMPLISHED BY USING IPA (ISOPROPYL ALCOHOL) TO REMOVE FROST OR ICE. A 90% IPA IS THE MOST RECOMMENDED, DUE TO HAVING LOWER WATER CONTENT. APPLY THE IPA IN ONE MOTION WITH A RAG, LET IT SIT FOR A MINUTE, THEN WIPE OFF IN THE OPPOSITE DIRECTION IT WAS APPLIED. DO NOT USE A CIRCLE MOTION. TO TEST FOR ICE AFTER THE IPA CLEANING SIMPLY USE YOUR HAND PRESSED ONTO SUBSTRATE, IF WATER IS LEFT BEHIND AFTER LIFTING IT, IT WILL NEED TO BE CLEANED AGAIN. ONCE THE SUBSTRATE IS CLEAN OF FROST AND ICE THE ADHESIVE OR SEALANT CAN BE APPLIED. NOTE IF THE SUBSTRATE CAN BE HEATED PRIOR TO INSTALLATION, THIS WILL ALSO ENSURE FROST AND ICE IS REMOVED.
CURE TIMES AT LOWER TEMPERATURES WILL BE DELAYED THE LOWER THE TEMPERATURE GETS. IT CAN TAKE SEVERAL DAYS FOR THE PRODUCT TO CURE (DEPENDING ON HUMIDITY AND TEMPERATURE). EXTRUSION RATE AT LOWER TEMPERATURES CAN BE AFFECTED, OUR PRODUCT DOES NOT FREEZE, BUT CAN BE HARDER TO EXTRUDE. THIS PROBLEM CAN BE RESOLVED BY WARMING THE PRODUCT BEFORE INSTALLATION FOR EASE OF USE.
CLEANERS TO AVOID INCLUDE MEK, TOLUENE, XYLENE, MINERAL SPIRITS AND ANY OTHER PETROLEUM BASED CLEANERS. THESE CLEANERS WILL PROHIBIT OUR PRODUCT FROM BONDING TO THE SUBSTRATE IN COLD OR NORMAL ENVIRONMENTS.
OPTIMAL TEMPERATURE OF 40F (4C) TO 80F (27C) IS WHERE MOST ASTM TESTING IS DONE. IF THE GUIDELINES ABOVE ARE FOLLOWED OUR HIGH PERFORMANCE MOISTURE CURING POLY ETHER ADHESIVES AND SEALANTS CAN BE APPLIED IN MOST COLD ENVIRONMENTS.
FOR MORE INFORMATION ON APPLICATION GUIDELINES, PLEASE REFER TO ASTM C1193 STANDARD FOR USE OF JOINT SEALANTS AND ADHESIVES.
FOR FURTHER QUESTIONS OR INFORMATION, PLEASE CONTACT US AT 800-826-1681.
CHEM LINK Products Technical Bulletins are for use by all CHEM LINK Products customers. Each Technical Bulletin is coded with a reference number and can be used to support various trade practices that are acceptable to, and have met CHEM LINK Products quality standards in effect at the time. CHEM LINK Products reserves the right to amend or update these Technical Bulletins at any time.

CHEM LINK Products

353 E Lyon Street
Schoolcraft, MI 49087
Tel: 800-826-1681
Fax: 269-679-4448
www.chemlink.com

CAUTION

CAUTION: DO NOT USE NON-APPROVED SEALANTS. FAILURE TO DO SO COULD RESULT IN SERIOUS DAMAGE OR FAILURE OF EQUIPMENT.

Conduit Hub and Cable Fitting Locations

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