Bentek Solar 1000V BUSS Series Installation And Operating Instructions Manual Download Page 9

Installation and Operating Instructions – 1000V BUSS, Grounded (125A to 400A)

950-003342-000 Rev B

9

Chapter 1: Safety Instructions

Important Safety Instructions

The following important safety instructions must be understood and followed. 

Save these instructions.

Familiarize yourself with warning and hazard precautions for this BUSS so that 

the dangers of this device and its components are understood.

CAUTION

CAUTION

Ensure the unit is properly secured at all times. It may be a tipping hazard in the 

shipping container as well as after packaging is removed. Mounting the unit on 

the prepared base eliminates the tipping hazard.

ATTENTION

Assurer

 

que

 

l'unité

 

est

 

correctement

 

fixée

 

à

 

tout

 

moment.

 

Elle

 

est

 

lourde

 

avant

 

et

 

peut

 

être

 

un

 

risque

 

de

 

emboutage

 

dans

 

le

 

récipient

 

d'expédition

 

comme

 

après

 

empaquetage

 

est

 

enlevé.

 

Le

 

montage

 

de

 

l'unité

 

sur

 

la

 

base

 

préparée

 

élimine

 

le

 

risque

 

de

 

emboutage.

 WARNING

 WARNING

Inputs from the field panel and outputs to the inverter may be hot! Do not touch 

components or parts associated with these connection points. Severe burns or 

death can occur.

 AVERTISSEMENT

Les entrées du panneau de champ et les sorties à l'inverseur peuvent être 

chaudes! ! Ne pas toucher les composants ou les pièces liés à ces points de 

raccordement. Les brûlures graves ou la mort peuvent se produire.

Install the BUSS enclosure so that it conforms to national and local safety 

and operational codes (NEC and CSA).

The enclosure must only be opened and serviced by authorized and 

knowledgeable service and/or contract personnel.

Read this manual and understand all safety, installation, and operational 

information before opening or working on this device or any of its 

connections or components.

If you have questions that are not answered in this document, contact Bentek 

Support at 1-888-202-5009 or at 

www.benteksolar.com

.

Summary of Contents for 1000V BUSS Series

Page 1: ...Installation and Operating Instructions 1000V Breaker Universal Safety System 125A to 400A Grounded Important Safety Instructions Save These Instructions...

Page 2: ...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 represen...

Page 3: ...ead Fronts 24 Mounting the Breaker Universal Safety System 25 Preparing the Entry Points 28 Connecting Wires 32 Connecting Conductors from Source Circuits 36 Attaching Conductors to the Inverter 38 Co...

Page 4: ...Installation and Operating Instructions 1000V BUSS Grounded 125A to 400A 950 003342 000 Rev B 4 Contents...

Page 5: ...s Users should be skilled in reading site plans and electrical wiring schematics and should be familiar with meeting requirements contained in UL 50 Standard for Enclosures for Electrical Equipment UL...

Page 6: ...rsal Safety System and provides specifications Chapter 3 Installation Procedure describes how to install the Breaker Universal Safety System Appendix A Bentek Zone Monitoring System using an Ethernet...

Page 7: ...nded system with a common grounded busbar xx specifies the number of circuit breakers yyy specifies the amperage of the circuit breakers an M after the amperage indicates mixed breaker sizes zzz indic...

Page 8: ...ng instructions unless you are qualified to do so Refer servicing to qualified personnel The enclosure door should remain closed while the BUSS is operational Servicing or adjustments should not be pe...

Page 9: ...enlev Le montage de l unit sur la base pr par e limine le risque de emboutage WARNING WARNING Inputs from the field panel and outputs to the inverter may be hot Do not touch components or parts associ...

Page 10: ...erseurs Les inverseurs contiennent les dispositifs de sorage d nergie qui ont besoin de 15 minutes afin de d charger sans risque leurs tensions mortelles apr s d connexion de toutes les sources d appr...

Page 11: ...lication of deration factors consistent with NEC code Each source circuit is protected separately from overcurrent limits through circuit breakers according to the requirements of the National Electri...

Page 12: ...llation and Operating Instructions 1000V BUSS Grounded 125A to 400A 950 003342 000 Rev B 12 Chapter 2 Product Description Figure 1 Outside of enclosure Vent Fan Eyelets for lifting 4 Front door with h...

Page 13: ...s provide additional protection The covers do not need to be removed to wire the BUSS Equipment Ground Busbar Aluminum bar used to combine individual source circuit grounds to system ground Grounded B...

Page 14: ...8 inches high NOTE Bentek assemblies may use components that are silver plated This plating may oxidize tarnish over time as a result of natural exposure to standard atmospheric conditions and become...

Page 15: ...400A 950 003342 000 Rev B 15 Chapter 2 Product Description Figure 2 BUSS front view showing dead fronts with 12 circuit breakers Dead fronts Screws to remove dead fronts 10 on the top dead front and 6...

Page 16: ...osition to the Neutral middle position The button on the breakers of 350A and below can be depressed with your finger On the 400A breaker the button is small and slightly inset so it requires a small...

Page 17: ...view of BUSS from front with dead fronts removed shown with 12 circuit breakers installed Current sensor Circuit Breaker Equipment ground busbar Thermostat for fan Electronics enclosure Grounded busb...

Page 18: ...fan and vent covers 43 25 inches 43 25 inches Depth excluding handle 24 inches 24 inches Weight approx unwired 900 pounds 1000 pounds Depending on the configuration an optional plinth will add 4 inch...

Page 19: ...to barrel distance of 0 7in Table 4 Environmental Specifications of BUSS Maximum operating altitude 2000M Relative humidity range 0 to 95 non condensing Operating temperature range 20o C to 50o C Ope...

Page 20: ...Installation and Operating Instructions 1000V BUSS Grounded 125A to 400A 950 003342 000 Rev B 20 Chapter 2 Product Description...

Page 21: ...basic electrical safety and testing instruments are required for the installation of the BUSS enclosure Additionally the installation requires Calibrated torque wrench Personal protective equipment s...

Page 22: ...00V Breaker Universal Safety System must be mounted in a position and at a location where the doors are easily accessible Figure 5 Diagram of the required door swing The mounting area must be at least...

Page 23: ...ng the fan or vent filters NOTES When floor mounting the enclosure it must be secured to a supporting structure to prevent potential movement The bottom skin may be drilled to accommodate bolting to t...

Page 24: ...illips screws and nylon washers The top dead fronts has ten screws five on each side in the standard enclosure or twelve screws six on each side in the tall enclosure The bottom dead front contains si...

Page 25: ...m 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 additional holes and you may drill...

Page 26: ...placement de la cl ture est recommand Upon completion of the enclosure mounting and the conduit connections the enclosure must comply with the tests specified in the applicable sections of the Enclosu...

Page 27: ...ructions 1000V BUSS Grounded 125A to 400A 950 003342 000 Rev B 27 Chapter 3 Installation Procedure If you are installing a unit with an optional plinth refer to Figure 9 for mounting locations Figure...

Page 28: ...ific locations of incoming wiring and to determine any appropriate cutouts in the enclosure The preferred point of entry for the cables is through the bottom by removing the gland plates as shown in F...

Page 29: ...cts with the internal parts vent fan and cables Cutouts in the sides should be limited to the areas shown in Figure 11 The cutouts at the top may be used to bring in the AC power and Ethernet connecto...

Page 30: ...llation Procedure Figure 12 Cutout locations in the back of the BUSS CAUTION CAUTION As the installer you are responsible for determining safe areas in the enclosure for cutouts ATTENTION Comme instal...

Page 31: ...o prevent further rusting Use only water tight conduit fittings to connect the conduit to the cutouts All hubs must comply with the requirements of a Type 3R enclosure as specified in UL 514B Standard...

Page 32: ...ht bank bottom to top NOTE Unless otherwise specified wiring methods must be in accordance with the National Electrical Code ANSI NFPA 70 1 Use the wiring guidelines from Table 3 on page 18 and the to...

Page 33: ...front of a BUSS with twelve circuit breakers It shows an example of how wires could be brought in through the bottom panel and connected to the ungrounded grounded and equipment ground busbars howeve...

Page 34: ...outputs and grounded inputs and outputs in a BUSS shown through the door of the enclosure Output connections to ungrounded busbar Equipment ground wires not shown Output connections to grounded busbar...

Page 35: ...950 003342 000 Rev B 35 Chapter 3 Installation Procedure Figure 15 Example of connecting inputs and outputs in a BUSS shown from the center to the side Section A A Ungrounded input connector Output c...

Page 36: ...stem enclosure through the selected entry point 3 Connect all ungrounded inputs on the corresponding circuit breaker input in order by labeled circuit breaker Figure 16 If there are fewer connections...

Page 37: ...e Connections require two bolts through the connector as shown in Figure 17 Torque to specifications see the torque label on the inside of the front door Figure 17 Connecting to the busbar maximum two...

Page 38: ...re 18 Connecting to the grounded busbar 6 Terminate all equipment ground conductors to the equipment ground terminal block Torque to specifications see the torque label on the inside of the front door...

Page 39: ...he external disconnect for the AC power must be provided at the time of installation Check with the installer or contractor for the instructions on the external disconnect A knockout on the left side...

Page 40: ...ditional information on Zone Monitoring Figure 20 Inside of electronics enclosure for RS 485 connector Refer to Appendix B Bentek Zone Monitoring System using an RS 485 Interface for additional inform...

Page 41: ...n the equipment 2 The alternating current AC switch shall be located where readily accessible and shall be labeled External Disconnect Canada The external disconnect for the AC power must be provided...

Page 42: ...closure near the bottom with a vent located toward the top right side The thermostat is installed inside the enclosure at the top right side see Figure 4 on page 17 The fan helps to cool the enclosure...

Page 43: ...ter the cover is removed note the location of the tabs and holes for replacing the cover 2 Pull up on the bottom of the blue tab at the top of the fan to open the compartment Figure 24 3 Remove the ol...

Page 44: ...ated to the proper location on the ungrounded busbar c The grounded inputs and outputs are terminated to the grounded busbar in a balanced arrangement or bypass the BUSS if grounded busbar is not pres...

Page 45: ...preventive maintenance AVERTISSEMENT V rifier que toute la puissance a t d connect e avant d ex cuter la maintenance pr ventive Maintain the torque settings as listed on the label inside the front do...

Page 46: ...Installation and Operating Instructions 1000V BUSS Grounded 125A to 400A 950 003342 000 Rev B 46 Chapter 3 Installation Procedure...

Page 47: ...monitoring devices on the circuit due to system design or other factors and should not be considered absolute The Zone Monitoring System consists of four parts Analog Input Module Multi channel analo...

Page 48: ...g input mode of the data acquisition modules are factory set to be 5V 2 s Complement HEX format The ICP DAS data acquisition module has been factory configured into 20 single ended channels Use Modbus...

Page 49: ...Ethernet Cable to the Analog Input Module Plug an Ethernet cable into the connector on the Analog Input Module in the BUSS Connect the other end of the cable to the PC or through a hub that connects...

Page 50: ...Installation and Operating Instructions 1000V BUSS Grounded 125A to 400A 950 003342 000 Rev B 50 Appendix A Bentek Zone Monitoring System using an Ethernet Interface Figure 27 Analog Voltage screen...

Page 51: ...e is connected to the RS 485 connector and terminates in the main operations building where the output can be observed The Bentek Zone Monitoring System consists of four parts Analog Input Module Mult...

Page 52: ...A or 400A current transducers and an ICP DAS data acquisition module Full scale output of the current transducers is 4V The analog input mode of the data acquisition modules are factory set to be 5V 2...

Page 53: ...N Utility Output Table 11 Response 00 Address 1 Byte 1 to 247 01 Function Code 1 Byte 0x04 02 Byte count 1 Byte 2 X N 03 Data of input channels 2 x N Bytes When used for the CJC temperature this is a...

Page 54: ...Installation and Operating Instructions 1000V BUSS Grounded 125A to 400A 950 003342 000 Rev B 54 Appendix B Bentek Zone Monitoring System using an RS 485 Interface...

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