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600V/1000V DC Combiner Installation and Operating Instructions – 36-String Disconnect Models
950-002305-000 Rev A

21

Chapter 3: Installation Procedure

The Disconnect Combiner must be mounted in a position and at a location 

where the door is easily accessible. 

Figure 5

 shows the requirements for the door 

swing for the enclosure.

Figure 5 

Diagram of the required door swing for a steel enclosure

Table 7  

Measurements (in inches) for steel enclosures

Measurement

30x24-inch 

Enclosure

30x30-inch 

Enclosure

A

Height of enclosure

30 

30

B

Width of Enclosure

23 1/2 

30

C

Distance between top and bottom 

mounting holes

28 3/8 

28 3/8

D

Distance between left and right 

mounting holes

22 28 

3/8

E

Depth  of  enclosure

8

8

F

Door swing from left to right edge

46 3/4 

59 1/4

G

Door swing from back to front

31 1/8 

37 3/8

Summary of Contents for BTKv-D360 Series

Page 1: ...600V 1000V DC Combiner Installation and Operating Instructions 36 String Disconnect Models Important Safety Instructions Save These Instructions...

Page 2: ...ce on the material presented The terms and conditions governing the sale and licensing of Bentek Corp products are set forth in written agreements between Bentek and its customers No representation or...

Page 3: ...tion Procedure 17 Required Tools and Materials 17 Summary Steps for Wall Mounting a Steel Enclosure 18 Preparing to Install the Disconnect Combiner 19 Installing the Steel Enclosure 20 Installing the...

Page 4: ...600V 1000V DC Combiner Installation and Operating Instructions 36 String Disconnect Models 950 002305 000 Rev A 4 Contents...

Page 5: ...rical wiring schematics Users should be familiar with meeting requirements contained in UL 50 Standard for Enclosures for Electrical Equipment UL 514B Standard for Safety Conduit Tubing and Cable Fitt...

Page 6: ...des information on warnings and guidelines for installing the product safely Chapter 2 Product Description describes the Combiner and provides specifications Chapter 3 Installation Procedure describes...

Page 7: ...o doing any work on this equipment AVERTISSEMENT D connecter toute la puissance avant d effectuer n importe quel travail sur cet quipement WARNING WARNING The installation adjustment or repair of Bent...

Page 8: ...t Safety Instructions The following important safety instructions must be understood and followed Save these instructions Familiarize yourself with warning and hazard precautions for this combiner so...

Page 9: ...es afin de d charger sans risque leurs tensions mortelles apr s d connexion de toutes les sources d approvisionnement You are advised that You must reference the NFPA 70 Guide for safety precautions t...

Page 10: ...600V 1000V DC Combiner Installation and Operating Instructions 950 002305 000 Rev A 10 Chapter 1 Safety Instructions...

Page 11: ...mbiner The Combiner allows for safe operation of the system in the unlikely event that a problem with a source circuit leads to abnormally high current The Combiner provides a convenient means of diag...

Page 12: ...ll ungrounded inputs Grounded Busbar Aluminum bar used to combine all grounded inputs Equipment Ground Busbar Aluminum bar used to combine individual source circuit grounds to system ground Insulators...

Page 13: ...f inside of 36 string combiner without current monitoring Ungrounded input terminals Grounded input terminals Disconnect switch Equipment ground Optional surge suppressor Fuse blocks Equipment ground...

Page 14: ...t the current monitors and power supply as well as the surge protector When multiple current monitors are present the daisy chained wires are shown Ungrounded input terminals Grounded input terminals...

Page 15: ...0A 360 Continuous Current Rating is determined by the bus configuration and or the main disconnect Table 2 Physical Specifications of Disconnect Combiner Description Height Width Depth Weight up to 36...

Page 16: ...g altitude 2000 meters Relative humidity 0 95 Operating temperature range 20o C to 50o C If operating temperatures or altitude exceed these specifications contact your Bentek representative to determi...

Page 17: ...enclosure Additionally the installation requires Calibrated torque wrench Personal protective equipment such as job related clothing electrical safety gloves safety goggles etc Installers must refere...

Page 18: ...he enclosure mounting pattern should have also been drilled Verify the location of all mounting hole drilling Installation 1 Prepare the mounting hardware by stacking the washers and insulator materia...

Page 19: ...e able to support the weight of the equipment When wall or roof mounting the enclosure it must be secured to a rigid substrate using appropriately sized hardware When mounting the enclosure horizontal...

Page 20: ...llation Procedure Installing the Steel Enclosure Figure 4 provides a diagram of the enclosure and Table 7 shows the values for each of the measurements The mounting holes are actually located in the b...

Page 21: ...swing for the enclosure Figure 5 Diagram of the required door swing for a steel enclosure Table 7 Measurements in inches for steel enclosures Measurement 30x24 inch Enclosure 30x30 inch Enclosure A H...

Page 22: ...ocedure Installing the Fiberglass Enclosure Figure 6 provides a diagram of the fiberglass of the enclosure and shows the locations of the mounting holes Table 8 shows the measurements for each value N...

Page 23: ...uctions 36 String Disconnect Models 950 002305 000 Rev A 23 Chapter 3 Installation Procedure Figure 7 shows the side view of the fiberglass enclosure illustrating the depth and the location of the mou...

Page 24: ...or the enclosure Figure 8 Diagram of the required door swing of the fiberglass enclosure Table 8 provides the measurements for the fiberglass enclosure Table 8 Measurements in inches for fiberglass en...

Page 25: ...osition each disconnect handle supports lock out tag out functionality with three locations to accommodate a tag or a padlock with a shackle up to 1 4 inch in diameter Figure 9 Example of a disconnect...

Page 26: ...y replace the tool activated latch in the lower right corner Two keys are provided for the lock Figure 11 Optional key lock The fiberglass enclosure has four quick release clamps two on the side and o...

Page 27: ...ing surface Upon completion of the enclosure mounting and the conduit connections the enclosure must comply with the tests specified in the applicable sections of the Enclosure Types Table of UL 50 St...

Page 28: ...d assurer les raccordements imperm ables l eau sur des secteurs de vers le haut rev tement de la cl ture Be sure to clean up any spatter immediately If it is not cleaned up it may cause rust in the e...

Page 29: ...el enclosure Table 9 provides the measurements for cutouts for the steel enclosures Table 9 Measurements in inches for cutouts for steel enclosures Measurement 30x24 inch Enclosure 30x30 inch Enclosur...

Page 30: ...Installation Procedure Cutouts for Fiberglass Enclosures This section provides drawings for cut out areas for the steel enclosures The measurements for those areas are provided in Table 10 Figure 15...

Page 31: ...mbiner in a fiberglass enclosure Table 10 provides the measurements for cutouts for the fiberglass enclosures Table 10 Measurements in inches for cutouts for fiberglass enclosures Measurement 30x24 in...

Page 32: ...ines from the torque label to torque the components to proper specifications 4 After conductors have been tightened to the proper torque mark the nuts with a permanent ink marker or torque seal Figure...

Page 33: ...h wire from the source circuit with a reference number and its polarity 2 Open all fuse holders as a safety precaution to interrupt input current flow 3 Run all wires into the Disconnect Combiner encl...

Page 34: ...ovides an example of how wiring can be done for a 36 string combiner that does not provide Current Monitoring Figure 18 Example of connecting wires in a disconnect combiner with 36 input circuits with...

Page 35: ...hrough the current sensors Figure 19 shows the direction of the current flow for negatively grounded systems reverse the direction for positively grounded systems A label by each input connector ident...

Page 36: ...the combiner is wired as shown the appropriate cutout areas would be in the bottom and left side of the enclosure Ungrounded output Grounded output Grounded inputs Equipment Equipment ground output gr...

Page 37: ...quirements 1 An alternating current AC disconnecting means shall be mounted within sight of or in the equipment 2 the alternating current AC switch shall be located where readily accessible External D...

Page 38: ...n set at the factory For information on the current monitoring system refer to the A90DC 12 DC Current Monitor Installation and Operation Manual The solar PV string monitor is compatible with virtuall...

Page 39: ...ound wires are terminated to the equipment ground busbar 2 Replace the plastic shields over the connectors 3 Verify that the correct wires are connected to the proper locations on the inverter 4 Close...

Page 40: ...2 5009 for assistance The Disconnect Combiner should be inspected at regular intervals semi annually is recommended CAUTION CAUTION Refer servicing to qualified personnel ATTENTION Se r f rer l entret...

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