Bentek Solar BTK10-MDSS Series Installation And Operating Instructions Manual Download Page 3

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Multiple Disconnect Safety System Installation and Operating Instructions
950-001568-000 Rev A

Table of Contents

Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Notation Conventions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Manual Organization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Document Revisions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Chapter 1:

Safety Instructions

Information for Technicians . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Chapter 2:

Product Description

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Explanation of Symbols Used on Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Chapter 3:

Installation Procedure

Required Tools and Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Preparing to Install the MDSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Opening and Closing the Enclosure Door. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Opening the Dead Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Mounting the MDSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Preparing the Cutouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Connecting Wires. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Connecting Conductors from Source Circuits . . . . . . . . . . . . . . . . . . . . . . . . . 34

Attaching Conductors From The Inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Finalizing the Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Preventative Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Summary of Contents for BTK10-MDSS Series

Page 1: ...Multiple Disconnect Safety System Installation and Operating Instructions Important Safety Instructions Save These Instructions...

Page 2: ...d by reliance 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 repres...

Page 3: ...ter 2 Product Description 9 Specifications 11 Components 12 Explanation of Symbols Used on Equipment 16 Chapter 3 Installation Procedure 17 Required Tools and Materials 17 Preparing to Install the MDS...

Page 4: ...Multiple Disconnect Safety System Installation and Operating Instructions 950 001568 000 Rev A 4 Contents...

Page 5: ...evices Those using this manual should be skilled in reading site plans and electrical wiring schematics Users should be familiar with meeting requirements contained in UL 50 Standard for Enclosures fo...

Page 6: ...lling the product safely Chapter 2 Product Description describes the MDSS and provides specifications Chapter 3 Installation Procedure describes how to install the MDSS Document Revisions Revision ECO...

Page 7: ...only To reduce the risk of electric shock do not perform any servicing other than that specified in the operating instructions unless you are qualified to do so There are no user serviceable parts ins...

Page 8: ...responsibility as the installation technician to follow these instructions during installation and or maintenance of Bentek MDSS equipment WARNING Risk of electrical shock exists from energy stored i...

Page 9: ...termined by the disconnect used The MDSS is available in several configurations The double stack MDSS provides up to five double stacked disconnects or ten switches Each double stacked disconnect cont...

Page 10: ...tions 950 001568 000 Rev A 10 Chapter 2 Product Description Figure 1 MDSS front views With nine dual column disconnects With eight single column disconnects handles installed on dead front handles ins...

Page 11: ...0 bolt 25o C to 50o C 8 200 250 8 400 600 MCM BTK10 MDSS xxyyy BTK10 MDSS xxyyy DF 10 100 1000 300 MCM 10 200 250 10 400 600 MCM Table 2 Physical Specifications of MDSS Height of enclosure 79 inches A...

Page 12: ...s Ground Busbar Copper bar with aluminum terminals used to combine individual source circuit grounds to system ground Dead Front optional Disconnect handles are installed on an internal door or panel...

Page 13: ...Chapter 2 Product Description Figure 2 MDSS with four double stack 1000V 400A disconnects inside front view Double stack disconnect units each containing an upper and a lower unit Input 1 upper Input...

Page 14: ...llation and Operating Instructions 950 001568 000 Rev A 14 Chapter 2 Product Description Figure 3 MDSS with 10 dual column 1000V 250A disconnect units inside front view Input 1 Output 1 Input 2 Output...

Page 15: ...afety System Installation and Operating Instructions 950 001568 000 Rev A 15 Chapter 2 Product Description Figure 4 MDSS with 8 single column 600V 100A disconnect units inside front view Input 1 Outpu...

Page 16: ...ymbols on Equipment ELECTRICAL SHOCK HAZARD This symbol indicates the presence of electric shock hazards Enclosures marked with these symbols should only be opened by an authorized service provider WA...

Page 17: ...truction electrical tools and basic electrical safety and testing instruments are required for the installation of the MDSS enclosure Additionally the installation requires Calibrated torque wrench Pe...

Page 18: ...and at a location where the door is easily accessible Figure 5 Diagram of the required door swing The mounting base must be at least as large as the enclosure to be mounted and be able to support the...

Page 19: ...Figure 6 must be in the Off position to allow the door to open Turn the handle 90 degrees counterclockwise to the Off position prior to opening the enclosure The handle has a small arrow pointing to...

Page 20: ...et to accommodate a padlock Figure 7 Opening the enclosure door To securely close the door press the handle completely down Opening the Dead Front If the disconnect handles are located on the dead fro...

Page 21: ...d in the four corners of the bottom skin The four predrilled and plugged holes are recommended for use when bolting the enclosure to the floor Remove the plugs to use these holes The brackets contain...

Page 22: ...he bottom with one or more of the gland plates removed Figure 9 Bottom view of the enclosure for double stacked and dual column models showing panels removed The single column model has a 1 5 8 x 13 1...

Page 23: ...0 Bottom view of the enclosure for 100A 250A single column models with dead front showing panels removed Figure 11 Bottom view of the enclosure for 100A 250A single column models without dead front sh...

Page 24: ...ure 12 Bottom view of the enclosure for 400A single column models with dead front showing panels removed Figure 13 Bottom view of the enclosure for 400A single column models without dead front showing...

Page 25: ...ottom If cables come through the bottom of the enclosure you can remove one two or all three of the bottom gland plates shown in Figure 9 slide one plate on top of the others or cut the panels NOTE Th...

Page 26: ...ust inhibitor and touch up paint after making cutouts Be sure to clean up any spatter immediately If it is not cleaned up it may cause rust in the enclosure If rusting occurs use a rust remover and th...

Page 27: ...ect Safety System Installation and Operating Instructions 950 001568 000 Rev A 27 Chapter 3 Installation Procedure Figure 15 Positions for cutouts in the sides and back of the enclosure for dual colum...

Page 28: ...ter 3 Installation Procedure Figure 16 Position for cutouts in the sides and back of the single column MDSS CAUTION CAUTION Follow installation instructions from the fittings manufacturer to assure wa...

Page 29: ...ue guidelines from the torque label to torque the components to proper specifications 3 After conductors have been tightened to the proper torque mark the nuts with a permanent ink marker or torque se...

Page 30: ...ires coming through the bottom of a double stack MDSS containing eight 1000V 250A disconnects and four handles Front View Left Side View The side view shows the wires being connected to the upper disc...

Page 31: ...ructions 950 001568 000 Rev A 31 Chapter 3 Installation Procedure Figure 19 Example of connecting wires coming through the bottom of a dual column MDSS with ten 1000V 250A disconnects Front view Left...

Page 32: ...ont instead of on the front door the disconnect units are moved toward the back of the enclosure Figure 20 shows the left side view of the wiring diagram and the position of the disconnect units Figur...

Page 33: ...33 Chapter 3 Installation Procedure Figure 21 Example of connecting wires coming through the bottom of a single column MDSS with eight 600V 100A disconnects disconnect handles are mounted on the dead...

Page 34: ...the unit populate the lower disconnect numbers first In the double stack disconnect models Figure 18 on page 30 the disconnects are numbered with 1 at the top and in the front Number 2 is located unde...

Page 35: ...s to the ground terminal block Finalizing the Installation 1 With the inverter still turned off perform a visual inspection of the wire labels to make sure a All of the input wires are terminated to t...

Page 36: ...rt at 1 888 202 5009 for assistance The MDSS should be inspected at regular intervals semi annually is recommended CAUTION CAUTION Refer servicing to qualified personnel Maintain the torque settings a...

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