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Summary of Contents for SMA MULTICLUSTER BOX 36
- Page 1 Sunny Island Multicluster System MULTICLUSTER BOX 36 Installation Guide MC-BOX-36-IA-IEN105010 | IMEN-MC-BOX-36 | Version 1.0...
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Page 3: Table Of Contents
SMA Solar Technology AG Table of Contents Table of Contents Notes on this Guide ....... 5 Validity . - Page 4 Table of Contents SMA Solar Technology AG Connecting the cables ....... 19 5.3.1...
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Page 5: Notes On This Guide
SMA Solar Technology AG. 1.3 Additional Information The enclosed Technical Description "Multicluster Box 36" serves as an installation aid and contains the following information: • A detailed diagram of the wiring of the generator, loads, PV plant, Sunny Island and battery. -
Page 6: Symbols Used
Notes on this Guide SMA Solar Technology AG 1.4 Symbols Used The following types of safety instructions and general information are used in this manual: DANGER! "DANGER" indicates a hazardous situation which, if not avoided, will result in death or serious injury! WARNING! "WARNING"... -
Page 7: Safety
2 Safety 2.1 Appropriate usage The Multicluster Box is a component of the SMA Multicluster technology. It is used to set up stand- alone grids with several Sunny Island 5048. The Multicluster Box is an AC main distributor. You can connect the Sunny Island devices, the loads, the generator or the grid and a further generator to the Multicluster Box, e.g. - Page 8 The Multicluster Box is designed for use at altitudes of up to 2 000 m above sea level. If you wish to use the Multicluster Box at altitudes above 2 000 m, contact SMA Solar Technology AG (see section 11 ”Contact” (page 40)).
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Page 9: Safety Instructions
• All listed safety instructions must be observed. Problems while performing the described activities Should you encounter problems while performing the activities described in this guide, contact SMA Solar Technology AG (see section 11 ”Contact” (page 40)). 2.3 Explanation of Symbols on the Type Label Icon... -
Page 10: Delivery
Delivery SMA Solar Technology AG 3 Delivery 3.1 Scope of delivery Check that the delivery is complete. Check the packaging and the Multicluster Box for visible external damage. Contact your supplier in case of damage to the packaging. Contact your dealer if you find any damage or if any parts are missing. -
Page 11: Multicluster Piggy-Back
SMA Solar Technology AG Delivery 3.1.2 Multicluster Piggy-Back The number of Multicluster Piggy-Back, RJ45 cables and termination resistors delivered depends on your order option. Object Number Description 2 – 12 Multicluster Piggy-Back 1 – 11 RJ45 cable (5 m, yellow) 4 – 24 RJ45 cable (5 m, gray) 2 –... -
Page 12: Installation
Installation SMA Solar Technology AG 4 Installation 4.1 Choosing the installation site DANGER! Danger to life due to fire or explosion. Despite careful construction, electrical devices can cause fires. • Do not install the Multicluster Box on flammable construction materials. • Do not install the Multicluster Box in areas which contain flammable substances. -
Page 13: Transport
SMA Solar Technology AG Installation 4.2 Transport 4.2.1 Transport Options WARNING! Risk of injury due to the heavy weight of the Multicluster Box. • The means of transportation must be adequate for the weight of the Multicluster Box. • The Multicluster Box must only be transported standing. -
Page 14: Transporting The Multicluster Box
Installation SMA Solar Technology AG 4.2.2 Transporting the Multicluster Box 1. Remove all fastening screws from the base panels in the front and rear. 2. Place the screws aside. The screws will be needed later to reattach the base panels. 3. Remove the base panels and set them aside. -
Page 15: Mounting The Multicluster Box
SMA Solar Technology AG Installation 4.3 Mounting the Multicluster Box Fasten the Multicluster Box to the foundation by its base. 1. Mark the position of the drill holes for fastening the base. 2. Drill holes at the marked positions. 3. Insert the wall anchors. -
Page 16: Electrical Connection
Electrical Connection SMA Solar Technology AG 5 Electrical Connection 5.1 Overview of the Connection Area 5.1.1 Connection terminals MC-BOX-36-IA-IEN105010 Installation Guide... -
Page 17: Cable Entries In The Floor
SMA Solar Technology AG Electrical Connection Object Description Fuse-switch-disconnector "=MC-F1 Generator" for connecting the generator (L1, L2, L3) Connection terminal "=MC-X1" for connecting the generator (N) Connection terminal "=MC-X2" for connecting the loads (N) Fuse-switch-disconnector "=MC-F2 Loads" for connecting the loads (L1, L2, L3) Connection terminals "MC-X3 PV System"... -
Page 18: Grounding Bar
Electrical Connection SMA Solar Technology AG 5.1.3 Grounding bar Object Description PE connection of generator PE connection of loads PE connection of PV plant 5.2 Inserting the cables Insert the AC cables in the Multicluster Box according to the following instructions. Insert the control, measurement and communications cables as described in section 5.4 ”Communication”... -
Page 19: Connecting The Cables
SMA Solar Technology AG Electrical Connection 5.3 Connecting the cables Wiring overview You will find a wiring overview of the entire Multicluster System in the Technical Description included in the scope of delivery. Torques of the connection terminals When connecting the cables, you must observe the torque of each connecting terminal as specified in section 10 ”Technical Data”... - Page 20 Electrical Connection SMA Solar Technology AG Connection procedure 1. Insert the cables in the Multicluster Box (see section 5.2 ”Inserting the cables” (page 18)). 2. Turn the handle on the fuse holder downwards. 3. With both hands, lift the fuse holder up at the anchorage and pull it out.
- Page 21 SMA Solar Technology AG Electrical Connection 9. Connect L1, L2 and L3 to the fuse-switch- disconnector "MC-F1 Generator" according to the label. Make sure that a right-hand rotating field exists at the generation connection point. 10. Place the cover of connection terminals L1, L2 and L3 and tighten screws.
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Page 22: Connecting Consumer Loads
Electrical Connection SMA Solar Technology AG 5.3.2 Connecting Consumer Loads The phases L1, L2, and L3 are routed through fuse-switch-disconnectors in the Multicluster Box. The fuses are necessary to protect the outgoing cable from overloads. Note that the currents of the Sunny Island, the PV plant and the generator may add up. -
Page 23: Connecting The Pv Plant
SMA Solar Technology AG Electrical Connection 5. Connect PE to the grounding bar (see section 5.1.3 ”Grounding bar” (page 18)). 6. Carefully raise the cover of connection terminal "MC-X2". 7. Connect N to the "MC-X2" connection terminal according to the label. 8. Carefully lower the cover of the connection terminal "MC-X2". - Page 24 Electrical Connection SMA Solar Technology AG Cable sizing In a short-circuit, the short-circuit currents driven by the generator flow through the unprotected cable between the Multicluster Box and the PV main distributor. If the fuse of the generator is larger than the fuse in the PV main distributor, you have to size the cable to match the generator fuse.
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Page 25: Connecting The Sunny Island
SMA Solar Technology AG Electrical Connection 5.3.4 Connecting the Sunny Island Sunny Island fuse Each Sunny Island is fused by a C32 A line circuit breaker inside the Multicluster Box. Layout of the connection terminals The following table describes how the connection terminals are aligned and labeled. - Page 26 Electrical Connection SMA Solar Technology AG 3. Remove the cover of the Sunny Island connection area. Retain cover and screws for later use. 4. Connect Sunny Island of the main cluster: – Connect Sunny Island Slave 2 to the terminals "Main Cluster Slave 2":...
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Page 27: Grounding The Sunny Island Multicluster System
SMA Solar Technology AG Electrical Connection 5.3.5 Grounding the Sunny Island Multicluster System WARNING! Risk of lethal electric shock. • Always leave jumper between the connection terminals "=MC-X1" for connecting the generator and "=MC-X2" for connecting the loads in the position preset by the factory. -
Page 28: Communication
Electrical Connection SMA Solar Technology AG 5.4 Communication The Multicluster Box transfers voltage and current measurement signals to the Sunny Island. These signals are transferred via the control and measurement cables supplied. The Multicluster Box is controlled by the Sunny Island master in the main cluster via a CAN bus. -
Page 29: Connecting The Control And Measurement Cables
SMA Solar Technology AG Electrical Connection 5.4.2 Connecting the control and measurement cables 1. Insert the red cables in the Multicluster Box (see section 5.4.1 ”Inserting the cables” (page 28)). 2. Plug in the control and measurement cable for the Sunny Island master of the main cluster in the "Mstr./L1"... -
Page 30: Connecting The Communication Cable
Electrical Connection SMA Solar Technology AG 5.4.3 Connecting the communication cable 1. Insert the black cable in the Multicluster Box (see section 5.4.1 ”Inserting the cables” (page 28)). 2. Plug in the cable in the "ComSync IN" socket. 3. Connect the end of the communications cable to the "ComSyncIn" socket on the Sunny Island master of the main cluster. -
Page 31: Commissioning The Multicluster Box
SMA Solar Technology AG Commissioning the Multicluster Box 6 Commissioning the Multicluster Box Check the following requirements before commissioning the Sunny Island Multicluster System: • The Multicluster Box is installed properly. • The Multicluster system is grounded outside the Multicluster Box on either the generator side or the load side. -
Page 32: Opening And Closing
Opening and closing SMA Solar Technology AG 7 Opening and closing You can open and close the Multicluster Box during operation. 7.1 Opening the Multicluster Box 1. Unlock the Multicluster Box with the switch cabinet key supplied. 2. Open the right-hand door until the door stopper clicks into place. -
Page 33: Removing Protection Against Contact
SMA Solar Technology AG Opening and closing 7.2 Removing Protection against Contact DANGER. Risk of lethal electric shock. • Switch off all loads. • Switch off the Sunny Island master of the main cluster. • Disconnect all Sunny Island in the Multicluster Box and secure against unintentional start. -
Page 34: Closing The Multicluster Box
Opening and closing SMA Solar Technology AG 7.4 Closing the Multicluster Box 1. Lift the door stopper of the left-hand door up slightly with your foot and close the door. 2. Fasten left-hand door with swiveling lever. 3. Lift the door stopper of the right-hand door up slightly with your foot and close the door. -
Page 35: Maintenance
SMA Solar Technology AG Maintenance 8 Maintenance The Multicluster Box must be regularly maintained. Note that the maintenance interval is influenced by the installation site and the ambient conditions. The Multicluster Box must be maintained more frequently if it is installed in environments with severe dust pollution. -
Page 36: Decommissioning
Decommissioning SMA Solar Technology AG 9 Decommissioning 9.1 Dismantling the Multicluster Box 1. Open the Multicluster Box (see section 7.1 ”Opening the Multicluster Box” (page 32)). 2. Remove all fastening screws from the base panels in the front and rear. Put the screws aside. -
Page 37: Technical Data
SMA Solar Technology AG Technical Data 10 Technical Data Connection of Loads Number 1 x 3-phase Rated output 300 kW Rated mains voltage between L and N 230 V Rated mains voltage between L1 and L2 400 V AC voltage range between L1 and N 172.5 V ... - Page 38 Technical Data SMA Solar Technology AG Generator connection Number 1 x 3-phase Rated mains input power 300 kW AC input current 3 x 435 A Maximum rated short-circuit current 10 kA Diameter of bolt clamp for connecting N 16 mm...
- Page 39 SMA Solar Technology AG Technical Data General data Number of phases Permitted grid structure Width x height x depth 1 200 mm x 2 000 mm x 800 mm Weight 400 kg Maximum altitude above MSL 2 000 m Degree of protection provided by enclosure*...
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Page 40: Contact
Contact SMA Solar Technology AG 11 Contact If you have technical problems concerning our products, contact the SMA Serviceline. We need the following information in order to provide you with the necessary assistance: • Type of Multicluster Box • Serial number of Multicluster Box •... - Page 43 The use of supplied software produced by SMA Solar Technology AG is subject to the following conditions: • SMA Solar Technology AG rejects any liability for direct or indirect damages arising from the use of software developed by SMA Solar Technology AG. This also applies to the provision or non-provision of support activities.
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