SUNNY MAIN BOX / SUNNY MAIN BOX CABINET
Contents
1. Position Designation A DC output B DC input G Earth cable connection D Cable support rail 6 2 Connecting the String Cables to the Fuse Holders 1 Lead the string cables through the cable glands into the enclosure interior Make sure polarity is correct Tighten the cable glands Cut the string cables to length and strip the insulation Attach the string cables to the internal cable support rail Connect the string cables to the bolt clamps of the fuse holders torque 35 Nm Make sure polarity is correct Installation Manual SMB IA en 10 23 6 Electrical Connection SMA Solar Technology AG 6 3 Connecting the DC Input Cables A DANGER Lethal electric shock due to live voltage High voltage is present in the DC sub distributions Failure to adhere to safety warnings may lead to severe or lethal injuries from electric shock Observe all safety rules Disconnect Ensure that the device cannot be reconnected Checkthat no voltage is present Earth and short circuit Coveror shield any adjacent live components Requirements O O 1 The correct conductor cross section for the DC input cables has been selected The DC sub distributions are switched off Strip 35 mm insulation off the DC input cables Fit suitable terminal lugs to the DC input cables see Section 10 Technical Data page 29 Lead the DC input cables through cable glands into the enclosure inter2. Version XX Year of manufacture XX XXXX Nominal Voltage DC XXXXV Nominal Current DC XXXA C Auxiliary Voltage Testing Voltage XX XX IXX kV DC Weight XXkg Made in germany wwwsma de Figure 6 Layout of the type label example Position Designation Explanation A Type Device type and option code B Serial No Serial number of the Sunny Main Box or Sunny Main Box Cabinet Device specific characteristics You will need the information on the type label to ensure safe use of the Sunny Main Box or Sunny Main Box Cabinet and when seeking customer support from the SMA Service line The type label must be permanently affixed to the Sunny Main Box or Sunny Main Box Cobinet SMB lA en 10 Installation Manual SMA Solar Technology AG Symbols on the Type Label 4 Product Description Symbol Designation Danger to life due to high voltages Explanation High voltages are present in the device All work on the Sunny Main Box or Sunny Main Box Cabinet must be carried out by electrically skilled persons only Risk of burns from hot surfaces The product can get hot during operation Avoid contact during operation Wear your safety gloves Observe the documentation epp Observe all documentation that is supplied with the product Ix CE marking The product complies with the requirements of C the applicable EC directives WEEE designation Do not dispose of the product together with t
3. ES Accessories for Central Inverter SUNNY MAIN BOX SUNNY MAIN BOX CABINET Installation Manual SMB lA en 10 98 4031510 Version 1 0 Cn SMA Solar Technology AG Table of Contents Table of Contents 1 2 2 1 2 2 2 3 3 3 1 3 2 4 4 1 4 2 4 3 5 5 1 5 1 1 5 1 2 5 2 5 2 1 5 2 2 5 2 3 6 6 1 6 1 1 6 1 2 6 2 6 3 Information on this Document 5 Safety a EA ADA ORA a es 7 Intended 7 Qualification of Skilled Persons 8 Safety Precisa T d ac EC ER 8 Scope of 10 Sunny Main BOX A Pops 10 Sunny Main Box 11 Product Description 12 Suy Main BOX tie d i Vara a RR pe 12 Sunny Main Box 13 Type Labels eie quoto aa T 14 A oe 16 Mounting the Sunny Main 16 Selecting the Mounting Location 0 0 eese 16 Mounting the Sunny Main Box on a 16 Mounting the Sunny Main Box 18 Selecting the Mounting Location 18 Mouvritingihe Base voor dede dr terreno peces edet 18 Mounting the Sunny Main Box Cabinet on the 19 Electrical Connection 20 Overview o
4. Sunny Main Box Cabinet Connection of DC cabling for PV inverters Technical Information Symbols Symbol Explanation A DANGER Indicates a hazardous situation which if not avoided will result in death or serious injury Indicates a hazardous situation which if not avoided could result in death or serious injury Indicates a hazardous situation which if not avoided could result in minor or moderate injury Indicates a situation which if not avoided could result in property damage Information that is important for a specific topic or goal but is not safety relevant Indicates an essential requirement for achieving a specific goal Desired result HI A problem that might occur Installation Manual SMB IA en 10 5 Information on this Document Abbreviations SMA Solar Technology AG Abbreviation AC Designation Alternating Current Explanation DC Direct Current LV HRC Low Voltage High Rupturing Capacity PV Photovoltaics SMB lA en 10 Installation Manual SMA Solar Technology AG 2 Safety 2 Safety 2 1 Intended Use The Sunny Main Box and the Sunny Main Box Cabinet are DC main distributions which gather the outgoing string cables from the DC sub distributions and lead them to the central inverter via the DC main cable Figure 1 Overview of a PV plant with Sunny Main Boxes and a central invert
5. Ltd SMA Ib rica Tecnolog a Solar S L www SMA Australia com au www SMA lberica com SMA Benelux SPRL SMA Italia S r l www SMA Benelux com www SMA ltalia com SMA Beijing Commercial Co Ltd SMA Technology Korea Co Ltd www SMA China com www SMA Korea com SMA Czech Republic s r o www SMA Czech com
6. Box Cabinet 5 2 1 Selecting the Mounting Location A DANGER Danger to life due to fire or explosion Do not mount the Sunny Main Box Cabinet on flammable construction materials Do not mount the Sunny Main Box Cabinet in areas containing highly flammable materials Do not mount the Sunny Main Box Cabinet in potentially explosive atmospheres Requirements for the mounting location Ll The mounting location should not be in a living or office area O The mounting location must not block any escape routes Ll The mounting location must be freely and safely accessible at all times without any need for auxiliary equipment such as scaffolding or lifting platforms Non fulfillment of these criteria may restrict servicing O The foundation at the mounting location must be suitable for the weight and size of the Sunny Main Box Cabinet see Section 10 Technical Data page 29 O The mounting location must not be exposed to direct solar irradiation 5 2 2 Mounting the Base Danger of crushing if the base of the Sunny Main Box Cabinet is dropped During transport take into account the weight of the base of the Sunny Main Box Cabinet of 19 kg 1 060 mm 1 Dig the foundation pit Observe a base installation depth of 600 mm 18 SMB IA en 10 Installation Manual SMA Solar Technology AG 5 Assembly Place the base of the Sunny Main Box Cabinet in the excavated pit in such way that t
7. Main Box Check the scope of delivery for completeness and any externally visible damage Contact your specialist dealer if the delivery is incomplete or damaged Figure 2 Components included in scope of delivery Position Quantity Designation A 1 Sunny Main Box B 1 Switch cabinet key C 8 Seal insert 7 0 mm 20 5 mm 8 Seal insert 17 0 mm 20 5 mm 16 Seal insert 20 mm 25 mm 16 Seal insert 24 mm 28 mm 8 Seal insert 29 mm 34 mm 8 Seal insert 32 mm 36 mm D 1 Installation manual 10 SMB IA en 10 Installation Manual SMA Solar Technology AG 3 Scope of Delivery 3 2 Sunny Main Box Cabinet Check the scope of delivery for completeness and any externally visible damage Contact your specialist dealer if the delivery is incomplete or damaged A B ky Figure 3 Components included in scope of delivery Position Quantity Designation A 1 Sunny Main Box Cabinet B 1 Switch cabinet key C 1 Installation manual D 1 Base E 25 Cable clamp 22 mm 28 mm F 9 Cable clamp 28 mm 34 mm G 25 Bottom saddle for cable clamp 22 mm 28 mm H 9 Bottom saddle for cable clamp 28 mm 34 mm Installation Manual SMB IA en 10 11 4 Product Description SMA Solar Technology AG 4 Product Description 4 1 Sunny Main Box The Sunny Main Box is a DC main distribution which gathers the outgoing str
8. directives Knowledge of and compliance with this document and all the safety precautions 2 3 Safety Precautions Electric Shock High voltages capable of causing electric shocks are present in the Sunny Main Box and Sunny Main Box Cabinet Therefore work on the Sunny Main Box and Sunny Main Box Cabinet is permitted only with the power disconnected and in compliance with the guidelines applicable at the installation location Disconnecting the device If there is a DC power switch in the upstream DC sub distributions switch it off Only remove the DC fuses on the central inverter once the inverter is disconnected and using the LV HRC fuse handle If the central inverter is equipped with the Optiprotect option switch the miniature circuit breakers in the central inverter off Only pull out the DC fuse in the Sunny Main Box or Sunny Main Box Cabinet once the inverter is disconnected and using the LV HRC fuse handle Ensure that the device cannot be reconnected Check that no voltage is present Earth and short circuit e Cover or shield any adjacent live components Protective covers must always be in place In the event of an earth fault remember that plant components which are presumed earthed may still be live e Ensure that no voltage is present before touching any plant components 8 SMB IA en 10 Installation Manual SMA Solar Technology AG 2 Safety If the Sunny Main Box or Sunny Main Box Cabine
9. Installation Manual SMA Solar Technology AG 8 Disconnecting the Sunny Main Box or Sunny Main Box Cabinet Procedure 1 71934 Danger to life due to electric shock e Only open the disconnection unit of the Sunny String Monitor when it is switched off Disconnect the DC sub distributions see installation manual of these devices 2 Disconnect central inverter see installation manual of the central inverter If there are DC fuses in the central inverter only pull them out once the inverter is disconnected and using the LV HRC fuse handle If there are no DC fuses in the central inverter pull out the fuses in the DC main distribution Release all screw connections Installation Manual SMB IA en 10 27 9 Decommissioning SMA Solar Technology AG 9 Decommissioning 9 1 Dismantling Sunny Main Box and Sunny Main Box Cabinet Requirement O Sunny Main Box or Sunny Main Box Cabinet are disconnected see Section 8 Disconnecting the Sunny Main Box or Sunny Main Box Cabinet page 26 Remove the fuses Release cables from the cable fastenings Release all cable glands 9 2 Disposing of Sunny Main Box and Sunny Main Box Cabinet 28 Dispose of the Sunny Main Box or Sunny Main Box Cabinet in accordance with the locally applicable disposal regulations for electronic waste or Return the Sunny Main Box or Sunny Main Box Cabinet to SMA Solar Technology AG at your own expense see Section 11 Contact page 34 Lab
10. d provides suitable access Installation Manual SMB IA en 10 25 8 Disconnecting the Sunny Main Box or Sunny Main Box Cabinet SMA Solar Technology AG 8 Disconnecting the Sunny Main Box or Sunny Main Box Cabinet A DANGER Danger to life due to electric shock when live components are touched High voltages are present in the central inverter the DC sub distributions and the Sunny Main Box or Sunny Main Box Cabinet Failure to adhere to safety warnings may lead to severe or lethal injuries from electric shock Observe the following safety rules when disconnecting Disconnect Ensure that the device cannot be reconnected Checkthat no voltage is present Earth and short circuit Cover or shield any adjacent live components DANGER Danger to life due to electric shock Hazardous voltages may still be present in the inverter even if the AC and DC main switches are switched off e After disconnecting the inverter wait at least 15 minutes for the capacitors to discharge completely Risk of burns from touching hot components The components of the DC sub distributions and the central inverter can get very hot Touching these components may cause burns Do not touch hot components Wait until hot components have cooled down sufficiently Observe all safety warnings in the DC sub distributions and the inverter e Wear safety gloves when working on the device 26 SMB IA en 10
11. el the packaging ZUR ENTSORGUNG FOR DISPOSAL SMB IA en 10 Installation Manual SMA Solar Technology AG 10 Technical Data 10 Technical Data Sunny Main Box Sunny Main Box Cabinet Sunny Main Box Cabinet Sunny Main Box Cabinet Option Enclosure 8 inputs 2 x 8 inputs 2 x 2 x 4 inputs 2 x 2 x 3 inputs Outdoor installation shaded shaded shaded shaded Type of mounting on base no yes yes yes Type of mounting on wall yes no no no Mechanical Data of Base Width x height x depth 785 mmx 950 mm x 480 mm 785 mm x 950 mm x 480 mm 785 mmx 950 mm x 480 mm Installation depth of the base 600 mm 600 mm 600 mm Total weight of enclosure and base 115 kg 115 kg 115 kg Mechanical Data of Enclosure Width x height x depth 750 mmx 500 mm x 320 mm 800 mmx 950 mm x 550 mm 800 mm x 950 mm x 550 mm 800 mm x 950 mm x 550 mm Depth of lock cylinder 40 mm 40 mm 40 mm 40 mm Weight 35 kg 96 kg 96 kg 96 kg Input Data Maximum permissible DC voltage 1 000 V 1 000 V 1 000 V 1 000 V Number of DC inputs 2x8 2x2x4 2x2x3 Maximum number of LV HRC fuses 16 12 Installation Manual SMB lA en 10 29 10 Technical Data SMA Solar Technology AG Sunny Main Box Sunny Main Box Cabinet Su
12. elivery 7 mm 20 5 mm 20 25 24 mm 28 mm Maximum cable cross section 240 mm 240 mm 240 mm 240 mm DC output Diameter of through hole in busbar 3x13 mm 2x3x13 mm 2x2x2x13mm 2x2x2x13mm Maximum cross section of standard terminal lug 240 mm 240 mm 240 mm 240 mm Screws included in scope of delivery 3xM12 2xM12 2x3xM12 2x2x2xM12 2x2x2xM12 Torque 74 Nm 74 Nm 74 Nm 74 Nm Installation Manual SMB lA en 10 31 10 Technical Data SMA Solar Technology AG Sunny Main Box Sunny Main Box Cabinet Sunny Main Box Cabinet Sunny Main Box Cabinet Option 8 inputs 2 x 8 inputs 2 x 2 x 4 inputs 2 x 2 x 3 inputs Cable gland 3 x M40 2 x M50 Sealing range 14 mm 28 27 mm 36 Seal insert pre 14 mm 28 mm mounted 27 mm 36 mm Seal insert 17 mm included in 20 5 mm scope of 20 mm 25 mm delivery 24 mm 28 mm 29 34 mm 32 mm 36 mm Protective conductor Maximum 95 mm 240 mm 240 mm 240 mm cross section of standard terminal lug Stud bolt M8 M12 M12 M12 Torque 14 Nm 74 Nm 74 Nm 74 Nm Cable gland M32 Sealing range 9 20 5 mm Seal insert pre 9 mm 13 mm mounted Seal insert 11 5 mm included in 15 5 mm sc
13. er Position Designation PV modules DC sub distribution e g Sunny String Monitor DC main distribution e g Sunny Main Box Central inverter Transformer station z B Transformer Compact Station mmicoo Electricity grid For optimum operation of the Sunny Main Box or Sunny Main Box Cabinet observe the requirements for the mounting location For safety reasons it is not permitted to modify the product or install components that are not explicitly recommended or distributed by SMA Solar Technology AG for this product The enclosed documentation is an integral part of this product Read and observe the documentation Keep the documentation in a convenient place for future reference Only use the Sunny Main Box and Sunny Main Box Cabinet in accordance with the information provided in the enclosed documentation Any other use may result in personal injury or property damage Installation Manual SMB IA en 10 7 2 Safety SMA Solar Technology AG 2 2 Qualification of Skilled Persons The work described in this document must be performed by skilled persons only Skilled persons must have the following qualifications Knowledge of how the device works and is operated Training in how to deal with the dangers and risks associated with installing and using electrical devices Training in the installation and commissioning of electrical devices Knowledge of all applicable standards and
14. estictions The information contained in this document is the property of SMA Solar Technology AG Publishing its content either partially or in full requires the written permission of SMA Solar Technology AG Any internal company copying of the document for the purposes of evaluating the product or its correct implementation is allowed and does not require permission SMA Factory Warranty The current warranty conditions come enclosed with your device These are also available online at www SMA Solar com and can be downloaded and are available on paper from the usual sales channels if required Trademarks All trademarks are recognized even if these are not marked separately Missing designations do not mean that a product or brand is not a registered trademark The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG Inc and any use of such marks by SMA Solar Technology AG is under licence QR Code is a registered trademark of DENSO WAVE INCORPORATED SMA Solar Technology AG Sonnenallee 1 34266 Niestetal Germany Tel 49 561 9522 0 Fax 49 561 9522 100 www SMA de E Mail info SMA de O 2004 to 2012 SMA Solar Technology AG All rights reserved Installation Manual SMB IA en 10 35 SMA Solar Technology www SMA Solar com SMA Solar Technology AG SMA France S A S www SMA de www SMA France com SMA America LLC SMA Hellas AE www SMA America com www SMA Hellas com SMA Technology Australia Pty
15. f the Connection Area 20 Sunny Main Box zx seen ORE ia eene A 20 Sunny Main Box Cabinet 0 0 eee eee 21 Connecting the String Cables to the Fuse Holders 23 Connecting the DC Input Cables 24 Installation Manual SMB lA en 10 3 Table of Contents SMA Solar Technology AG 9 1 9 2 10 Connecting the Earth 24 Requirements for 25 Disconnecting the Sunny Main or Sunny Main Box 26 Dec mmissioning 125419529 9 ta 28 Dismantling Sunny Main Box and Sunny Main Box Cabinet 28 Disposing of Sunny Main Box and Sunny Main Box Cabinet 28 Technical Data 29 Contaba aa Ai 34 SMB IA en 10 Installation Manual SMA Solar Technology AG Information on this Document 1 Information on this Document Validity This document is valid for the following device types SMB e SMBC Target Group This document is intended for skilled persons Only persons with appropriate skills are allowed to perform the tasks set forth in this document see Section 2 2 Qualification of Skilled Persons page 8 Additional Information Links to additional information can be found at www SMA Solar com Document title Document type Sunny Main Box Connection of DC cabling for PV inverters Technical Information
16. he household waste but only in accordance with the locally applicable regulations for disposal of electronic waste Degree of protection IP54 The product is protected against dust and water penetration The Sunny Main Box and Sunny Main Box Cabinet are suitable for outdoor installation Installation Manual SMB lA en 10 15 5 Assembly SMA Solar Technology AG 5 Assembly 5 1 Mounting the Sunny Main Box 5 1 1 Selecting the Mounting Location A DANGER Danger to life due to fire or explosion Do not mount the Sunny Main Box on flammable construction materials Do not mount the Sunny Main Box in areas containing highly flammable materials Do not mount the Sunny Main Box in potentially explosive atmospheres Requirements for the mounting location Ll The mounting location should not be in a living or office area Ll The mounting location must not block any escape routes Ll The mounting location must be freely and safely accessible at all times without any need for auxiliary equipment such as scaffolding or lifting platforms Non fulfillment of these criteria may restrict servicing Ll The mounting location must be suitable for the weight and size of the Sunny Main Box see Section 10 Technical Data page 29 Ll The mounting location must not be exposed to direct solar irradiation 5 1 2 Mounting the Sunny Main Box on a Wall Danger of crushing if the Sunny Main Box is dr
17. he side with the kick plate points to the front Remove the upper kick plate Presort the connection cables according to position and lay them in the base Half ill the pit with gravel or sand Gravel size 2 4 mm NOTICE Damage to the Sunny Main Box Cabinet due to moisture penetration Penetrating moisture can lead to condensation corrosion and leakage currents The use of a base filler stops condensation forming Fill the remaining space around the base with base filler Filler size 4 mm 8 mm 5 2 3 Mounting the Sunny Main Box Cabinet on the Base Danger of crushing if the Sunny Main Box Cabinet is dropped When mounting the Sunny Main Box Cabinet take its weight of 96 kg into account Transport the Sunny Main Box Cabinet using appropriate hoist 1 2 Remove the 4 fastening screws from the base plate of the Sunny Main Box Cabinet Place the Sunny Main Box Cabinet on the base Fasten the Sunny Main Box Cabinet to the base with the previously removed screws torque 10 Nm Ensure that the Sunny Main Box Cabinet is securely attached Lead the connection cables through the base plate into the Sunny Main Box Cabinet and fasten to the internal cable support rail To prevent the upper kick plate being opened by unauthorised persons insert the 2 safety screws on the inside of the base plate Installation Manual SMB lA en 10 19 6 Electrical Connection 6 Electrical Connecti
18. ing cables from the DC sub distributions and leads them to the central inverter via the DC main cable B els A els Figure 4 Components of the Sunny Main Box Position Designation A Switch cabinet lock B Door The Sunny Main Box is standardly equipped with 8 inputs The Sunny Main Box is mounted on the wall 12 SMB IA en 10 Installation Manual SMA Solar Technology AG 4 Product Description 4 2 Sunny Main Box Cabinet The Sunny Main Box Cabinet is a DC main distribution which gathers the outgoing string cables from the DC sub distributions and leads them to the central inverter via the DC main cable M A Figure 5 Components of the Sunny Main Box Cabinet Position Designation A Switch cabinet lock B Door Depending on the version the Sunny Main Box Cabinet is equipped with 2 x 8 2x 2x4or2x2x3 inputs The Sunny Main Box Cabinet is mounted on a base and is equipped with a door on both front and rear sides Installation Manual SMB lA en 10 13 4 Product Description 4 3 Type Label SMA Solar Technology AG The type label provides clear identification of the Sunny Main Box or Sunny Main Box Cabinet The Sunny Main Box and Sunny Main Box Cabinet are each fitted with 1 type label The type label is located on the inside of the door gE SMA Solar Technology AG Some 1 34626 Nes Coon
19. ior Make sure polarity is correct Tighten the cable glands Connect the DC input cables to bolt clamps torque 30 Nm 35 Nm Ensure that the DC input cables are securely in place 6 4 Connecting the Earth Cable Requirement O So Or de ey c 24 Earth cable cross section at least 16 mm Strip the earth cable by 16 mm Fit suitable terminal lugs to the earth cable see Section 10 Technical Data page 29 Lead the earth cable through a cable gland into the enclosure interior Tighten the cable gland Connect the earth cable to the earthing bolts torque 14 Nm Ensure that the earth cable is securely in place Earth the earth cable in the vicinity of the Sunny Main Box or Sunny Main Box Cabinet for example with an earth rod SMB lA en 10 Installation Manual SMA Solar Technology AG 7 Requirements for Commissioning 7 Requirements for Commissioning During commissioning of the Sunny Main Box or Sunny Main Box Cabinet the commissioning report must be filled in The commissioning report is enclosed with the central inverter Requirements O O The DC input cables are connected to the inverter and are activated There is no reverse voltage from the inverter All connections are executed according to this manual see Section 6 Electrical Connection page 20 It has been verified that all fuses are firmly in place The ground around the Sunny Main Box or Sunny Main Box Cabinet is paved an
20. nny Main Box Cabinet Sunny Main Box Cabinet Option Maximum number of disconnect blades 8 inputs 8 2 x 8 inputs 8 2 x 2 x 4 inputs 8 2 x 2 x 3 inputs 6 Possible sizes of LV HRC fuses 80A 100A 125A 160A 80A 100A 125A 160A 80A 100A 125A 160A 80A 100A 125 A 160A 200A Maximum operating current per measuring input with 80 A LV HRC fuse 52A 52A 52 52 Maximum operating current per measuring input with 100 A LV HRC fuse 65 A 65 65 65 Maximum operating current per measuring input with 125A LV HRC fuse 81A 81A 81A 81A Maximum operating current per measuring input with 160A LV HRC fuse 104A 104A 104A 104A 30 SMB lA en 10 Installation Manual SMA Solar Technology AG 10 Technical Data Sunny Main Box Sunny Main Box Cabinet Sunny Main Box Cabinet Sunny Main Box Cabinet Option Maximum operating current per measuring input with 200 A LV HRC fuse 8 inputs 2 x 8 inputs 2 x 2 x 4 inputs 2 x 2 x 3 inputs 130A DC input Screws for fuse holders M 10 M 10 M 10 M 10 Torque 30 Nm 35 Nm 30 Nm 35 Nm 30 Nm 35 Nm 30 Nm 35 Nm Cable gland 8 x M40 Sealing range 14 mm 28 mm Seal insert pre mounted 14 mm 18 mm Seal insert included in scope of d
21. on 6 1 Overview of the Connection Area 6 1 1 Sunny Main Box SMA Solar Technology AG A OllOlO Figure 8 Connection area of the Sunny Main Box Position Designation A DC output B DC input Earth cable connection D Cable support rail 20 SMB lA en 10 Installation Manual SMA Solar Technology AG 6 Electrical Connection 6 1 2 Sunny Main Box Cabinet Sunny Main Box Cabinet with 2 x 8 inputs Figure 9 Connection area of the Sunny Main Box Cabinet with 2 x 8 inputs Position Designation A DC output B DC input Earth cable connection D Cable support rail Installation Manual SMB IA en 10 21 6 Electrical Connection SMA Solar Technology AG Sunny Main Box Cabinet with 2 x 2 x 4 inputs D EN Figure 10 Connection area of the Sunny Main Box Cabinet with 2 x 2 x 4 inputs Position Designation A DC output B DC input C Earth cable connection D Cable support rail 22 SMB IA en 10 Installation Manual SMA Solar Technology AG 6 Electrical Connection Sunny Main Box Cabinet with 2 x 2 x 3 inputs Cm 0 loe dl s p D Figure 1 1 Connection area of the Sunny Main Box Cabinet with 2 x 2 x 3 inputs
22. ope of 14 mm 18 delivery 17 mm 20 5 mm Degree of Protection and Ambient Conditions Degree of IP54 IP54 IP54 IP54 protection Permissible 25 40 25 C 40 25 C 40 C 25 C 40 ambient conditions Relative 15 95 15 95 15 95 15 95 humidity 32 SMB lA en 10 Installation Manual SMA Solar Technology AG 10 Technical Data Sunny Main Box Sunny Main Box Cabinet Sunny Main Box Cabinet Sunny Main Box Cabinet Option 8 inputs 2 x 8 inputs 2 x 2 x 4 inputs 2 x 2 x 3 inputs Maximum 1 000 m 1 000 m 1 000 m 1 000 m height above MSL With smaller stud bolts allow for proportionately smaller cable gland and sealing range Installation Manual SMB lA en 10 33 11 Contact SMA Solar Technology AG 11 Contact If you have technical problems concerning our products contact the SMA Service line We require the following information in order to provide you with the necessary assistance Device type and serial number of the Sunny Main Device type and serial number of the Sunny Main Box Cabinet and number of connected PV modules SMA Solar Technology AG Sonnenallee 1 34266 Nliestetal Germany www SMA de SMA Service Line Tel 49 561 9522 299 Fax 49 561 9522 3299 E Mail SunnyCentral Service SMA de 34 SMB IA en 10 Installation Manual SMA Solar Technology AG Legal Restrictions Legal R
23. opped e When mounting the Sunny Main Box remember that it weighs 35 kg Always have 2 people mount the Sunny Main Box NOTICE Damage to cable glands due to careless transport and installation Cable glands protrude from the enclosure of the Sunny Main Box These cable glands may be damaged if transport and installation are carried out without due care and attention e During transport and installation take care not to damage the cable glands 16 SMB IA en 10 Installation Manual SMA Solar Technology AG 5 Assembly Additionally required mounting material not included in the scope of delivery 4 M8 screws Take wall properties into account when choosing the type of screws washers If necessary 4 wall plugs Take wall properties into account when choosing the wall plugs 750 mm 320 mm 187 5 mm 500 mm fol 187 5 mm 810 mm 774 mm 320 Figure 7 Dimensions of the Sunny Main Box Mark the position of the drill holes on the wall or array substructure Drill holes at the marked positions If necessary insert wall plugs Fasten the Sunny Main Box to the wall or array substructure using suitable screws and washers RON gt 5 Make sure that the Sunny Main Box is securely in place SMB lA en 10 Installation Manual 17 5 Assembly SMA Solar Technology AG 5 2 Mounting the Sunny Main
24. t is operated in a damaged condition there is a risk of serious injury by electric shock Only use the Sunny Main Box or Sunny Main Box Cabinet when it is in perfect working order and can be operated safely e Regularly check the Sunny Main Box or Sunny Main Box Cabinet for visible damage Ensure that all external safety equipment is freely accessible at all times and that regular checks are carried out to ensure that it is fully functional Burn Hazards Some device components such as fuses can get hot during operation Wear safety gloves when working on the device Damage to the Sunny Main Box or Sunny Main Box Cabinet If unauthorised persons interfere with the Sunny Main Box Sunny Main Box Cabinet or PV plant the equipment could be damaged e Lock devices once they have been put into operation Remove the keys from the door locks Store the keys in a safe place When closed the Sunny Main Box and Sunny Main Box Cabinet correspond to International Protection Rating 54 and are thus protected from intrusion of dust and water Penetrating moisture can damage the Sunny Main Box or Sunny Main Box Cobinet Do not perform any installation work in rainy or foggy conditions or when humidity is over 95 e After completion of work on the Sunny Main Box or Sunny Main Box Cabinet lock the doors again Installation Manual SMB IA en 10 9 3 Scope of Delivery SMA Solar Technology AG 3 Scope of Delivery 3 1 Sunny
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