Related Manuals for SMA Sunny Island SIC50-MPT
Summary of Contents for SMA Sunny Island SIC50-MPT
- Page 1 Charge controller SUNNY ISLAND CHARGER Installation Guide SIC50-IA-en-11 | Version 1.1...
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Page 3: Table Of Contents
Battery Management and Charge Control ... 12 SMA Operation ........12 Stand-Alone Operation. - Page 4 SMA Operation ........
- Page 5 11.1 SMA Operation ........40 11.2...
- Page 6 Table of Contents SMA Solar Technology AG SIC50-IA-en-11 Installation Guide...
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Page 7: Notes On This Manual
SMA Solar Technology AG Notes on this Manual 1 Notes on this Manual This manual describes how to install, commission and service the Sunny Island Charger. 1.1 Validity This manual applies to the following Sunny Island Charger type: • SIC50-MPT 1.2 Target Group This manual is intended for the installer and the operator. -
Page 8: Symbols Used
Notes on this Manual SMA Solar Technology AG 1.4 Symbols Used The following types of safety messages and general information appear in this document: DANGER! DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury. -
Page 9: Safety Instructions
Section 6.1.1 "Operating mode" (28) explains how to set the operating mode. In SMA operating mode, the Sunny Island protects the battery from deep discharge. In stand-alone operating mode without Sunny Island, an external device must protect the battery from deep discharge. -
Page 10: General Safety Instructions
• Do not touch the enclosure of the charge controller during operation. Grounding the PV array Observe all local regulations for grounding the PV array. SMA Solar Technology AG connecting the array frame and other electrically conductive surfaces so that there is continuous conduction and to ground them in order to ensure optimal protection for plants and persons. -
Page 11: Unpacking
Thermal fuse (30 A) SIC-PB communication interface and RJ45 cable (5 m) Battery temperature sensor optional, required for SMA operation optional 3.2 Check for Transport Damage Check the charge controller for visible external damage, such as cracks in the enclosure. Contact your dealer if you find any damage. -
Page 12: Battery Management And Charge Control
For further details on battery management see the Sunny Island documentation. If communication does not function in SMA operation, the battery will only be charged with voltages of 13.5/27/54 V. Working principle of a Sunny Island system with a charge controller... -
Page 13: Stand-Alone Operation
SMA Solar Technology AG Battery Management and Charge Control 4.2 Stand-Alone Operation During stand-alone operation or during operation with the 3324/4248 Sunny Island inverters, the charge controller automatically controls the charging voltage of the battery, depending on the battery type set and current charging phase, according to the "four-phase charging process" (MPP, boost, continuous, float). -
Page 14: Assembly
Assembly SMA Solar Technology AG 5 Assembly CAUTION! Risk of injury due to the charge controller's heavy weight. • Take the weight of the charge controller of approx. 10 kg into account. 5.1 Selecting the Mounting Location DANGER! Danger to life due to fire or explosion. -
Page 15: Ambient Conditions
SMA Solar Technology AG Assembly 5.1.2 Ambient Conditions • The mounting location and method must be suitable for the weight and dimensions. • Mount on a solid surface. • The mounting location must be accessible at all times. • The charge controller must be easy to remove from the mounting location at any time. -
Page 16: Position
Assembly SMA Solar Technology AG 5.1.4 Position • Mount vertically or tilted backwards by max. 45°. • Install at eye level in order to allow operation conditions to be read at all times. • Never mount the device with a forward tilt. - Page 17 SMA Solar Technology AG Assembly 2. Drill the holes (diameter: at least 8 mm) at the indicated positions and use wall anchors (at least M8). 3. Screw the charge controller onto the wall using the three mounting plates. Use fastening material suitable for the surface.
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Page 18: Electrical Connection
Electrical Connection SMA Solar Technology AG 6 Electrical Connection 6.1 Safety DANGER! Danger to life due to high voltages in the charge controller. • Disconnect the PV array using a disconnection unit and secure it against accidental reactivation. • Disconnect the miniature circuit breaker and ensure that it cannot be reconnected. -
Page 19: Overview Of The Connection Area
SMA Solar Technology AG Electrical Connection 6.2 Overview of the Connection Area Object Description "PV+" connection terminal for "PV+" cable of the PV array "PV–" connection terminal for "PV–" cable of the PV array "BAT–" connection terminal for "BAT–" cable of the battery "BAT+"... -
Page 20: Grounding
Electrical Connection SMA Solar Technology AG Object Description M25 metric-thread cable gland for the signaling contact and the battery temperature sensor cables M25 metric-thread cable gland for communication cable 6.3 Grounding 6.3.1 Grounding the Charge Controller DANGER! Risk of lethal electric shock. -
Page 21: Grounding The Battery And The Pv Plant
• Never ground the positive pole of the battery or the PV plant. Cross-section of the Protective Conductor SMA Solar Technology AG cannot make any general statements regarding the required cross-section of the protective conductor for external grounding of the battery. The conductor dimensions depend on the type and size of the battery connected, the external fuse (DC side) and the material used in the protective conductor. -
Page 22: Pv Array Connection (Dc)
Electrical Connection SMA Solar Technology AG 6.4 PV Array Connection (DC) NOTICE! Improperly connecting the charge controller to the PV array may irreparably damage it. • Never connect several charge controllers in parallel on the side of the PV array. The following threshold values at the DC input of the charge controller may not be exceeded:... -
Page 23: Battery Connection (Dc)
SMA Solar Technology AG Electrical Connection 6.5 Battery Connection (DC) Connection Requirements Battery capacity The battery capacity depends on the connected PV power. Observe the following table. Nominal battery voltage Battery capacity per kWp PV 48 V at least 120 Ah/kWp PV... - Page 24 If the LED is not glowing, the poles of the DC cables are reversed and the thermal fuses must be replaced. If this is not the case, the charge controller is defective and must be replaced. In this case, contact the SMA Service Line. See section 14 ”Contact” (page 45).
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Page 25: Communication
Socket for communication interface connection 6.6.2 Connection to PC Serial Interface Connecting a PC to the charge controller is possible in both operating modes (SMA operation and stand-alone operation). Measured values can only be read. The connection is established via the RJ45 socket of the first charge controller (device address 0) to the PC's serial interface. - Page 26 Electrical Connection SMA Solar Technology AG Configuring the Software Use a terminal program in order to display the measured values on the PC. There are various terminal programs available, e.g., Hyper Terminal. Hyper Terminal is a Microsoft Windows standard program and is located under „Start\Programs\Accessories\Communication“.
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Page 27: Sma Operation
SMA Solar Technology AG Electrical Connection 6.6.3 SMA Operation The communication between the charge controller and the Sunny Island 5048/2012/2224 allows the charge controller to be controlled in a coordinated manner. This ensures precise calculation of the state of charge in the Sunny Island without an additional battery current measuring shunt. -
Page 28: Stand-Alone Operation
Electrical Connection SMA Solar Technology AG 6.6.4 Stand-alone Operation Up to 8 charge controllers can be connected to each other. Connect the MSTE bus input of the charge controller with the MSTE bus output of the following charge controller. Use an RJ45 cable for this. - Page 29 SMA Solar Technology AG Electrical Connection Communication Protocol The charge controller sends and receives data through the TXN bus and the RXD bus. The data is coded in ASCII format. Character Sequence of the Request The character sequence of the request consists of 4 characters. The code letter and the device address must be coded in ASCII format.
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Page 30: Additional Connections
If a short circuit occurs in the charge controller, the battery is no longer protected against overcharging. • SMA Solar Technology AG recommends using the signaling contact to ensure that, in case of a failure, the battery is disconnected from the charge controller by a relay or contactor. - Page 31 SMA Solar Technology AG Electrical Connection Connection Procedure 1. Unscrew the lock nut of the M25 metric-thread cable gland (A) and slide it along the signaling contact cables. 2. Remove the seal insert from the cable gland and remove the filler plug.
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Page 32: Battery Temperature Sensor
TEMP-SENSOR: replacement battery temperature sensor, KTY type with 10 m connection cable for Sunny Island, Sunny Backup or Sunny Island Charger) to the charge controller. SMA Operation No external battery temperature sensor is required when operating in "SMA operation" mode. NOTICE! Damage to battery due to excessive or insufficient charging. - Page 33 SMA Solar Technology AG Electrical Connection Connection Procedure 1. Remove the resistor. 2. Unscrew the lock nut of the M25 metric-thread cable gland (A) and slide it along the cable of the battery temperature sensor. 3. Remove the seal insert along with the cable opening from the cable gland.
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Page 34: First) Commissioning
(First) Commissioning SMA Solar Technology AG 7 (First) Commissioning 7.1 Configuring the Charge Controller Configure the charge controller before commissioning. You can carry out the basic configuration using the operating switch (DIL switch). The operating mode, battery system, battery type, device address of the charge controller and a fault diagnosis can be configured by changing the position of the DIL switch. -
Page 35: Battery System
In the "Stand-alone operation" mode, the device address must be set to 0. SMA operation In the "SMA operation" mode, up to four charge controllers may be connected to the Sunny Island. The device addresses intended for these four devices are one to four. -
Page 36: Battery Type
(First) Commissioning SMA Solar Technology AG 7.1.4 Battery Type In stand-alone operation, the battery type and the charging voltage must be set. The battery type and charging voltage are set using the B1, B2, B3 and B4 DIL switches. When performing these settings, observe all the specifications of the manufacturer. -
Page 37: Opening And Closing
SMA Solar Technology AG Opening and Closing 8 Opening and Closing 8.1 Opening the Charge Controller DANGER! Danger to life due to high voltages in the charge controller. • Disconnect the miniature circuit breaker and ensure that it cannot be reconnected. • Switch off power supply to the signaling contact and ensure that it cannot be reactivated (if applicable). -
Page 38: Maintenance And Cleaning
Maintenance and Cleaning SMA Solar Technology AG 9 Maintenance and Cleaning 9.1 Replacing the Thermal Fuses NOTICE! Using incorrect thermal fuses may irreparably damage the charge controller. • Only use the thermal fuses included in the scope of delivery. 1. Open the charge controller as described in section 8.1 ”Opening the Charge Controller”... -
Page 39: Meaning Of The Light Emitting Diodes (Leds)
SMA Solar Technology AG Meaning of the Light Emitting Diodes (LEDs) 10 Meaning of the Light Emitting Diodes (LEDs) 10.1 Multicolored LED Meaning Green Operation (PV voltage > battery voltage) Fault/error Orange Low PV voltage (PV voltage < battery voltage) 10.2 Internal LEDs... -
Page 40: Failure Search
Failure Search SMA Solar Technology AG 11 Failure Search 11.1 SMA Operation You can find the description of all parameters and errors in the Sunny Island manual. 11.2 Stand-alone Operation You can read the error messages through the serial interface using the terminal program. The device number is shown as x in the following. -
Page 41: Decommissioning
Dispose of the charge controller at the end of its service life in accordance with the disposal regulations for electronic waste which apply at the installation site at that time. Alternatively, send it back to SMA Solar Technology AG with shipping paid by sender, and labeled "ZUR ENTSORGUNG" ("for disposal"). -
Page 42: Technical Data
Technical Data SMA Solar Technology AG 13 Technical Data SIC50-MPT Input (PV array) Max. PV power (12 V / 24 V / 48 V) 630 W / 1 250 W / 2 400 W Max. DC voltage 140 V Optimal MPPT voltage range (12 V / 24 V / 48 V) 25 V …... - Page 43 Mounting type suspended Configuration plug & play in combination with Sunny Island (CAN Piggy-Back required) DIL switch with stand- alone applications and in SMA operation Parallel operation up to four devices through CAN bus Battery temperature compensation -4 mV/°C Interfaces...
- Page 44 Technical Data SMA Solar Technology AG SIC50-MPT Safety Device overtemperature derating/deactivation Device undertemperature deactivation at -30 °C Overvoltage (PV) deactivation > 140 V Undervoltage (PV) deactivation at U < U reconnection at U +5 V Overvoltage (battery) deactivation U > 65 V Undervoltage (battery) deactivation <...
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Page 45: Contact
SMA Solar Technology AG Contact 14 Contact If you have technical problems concerning our products, contact the SMA Service Line. We need the following information in order to provide you with the necessary assistance: • Serial number of the charge controller •... - Page 47 Legal Provisions 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.
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