Morningstar SureSine 150 Installation And Operation Manual
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Morningstar SureSine 150 Installation And Operation Manual

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MORNINGSTAR
World's Leading Solar
Controllers
&
Inverters
Installation and Operations Manual
150 W, 300 W, 700 W (12 V, 24 V, & 48 V) Models,
1,000 W &1,250 W, (24 V & 48 V) Models,
2,500 W (48 V Only) Models
September 2022 (Rev B08)

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Summary of Contents for Morningstar SureSine 150

  • Page 1 MORNINGSTAR World’s Leading Solar Controllers & Inverters Installation and Operations Manual 150 W, 300 W, 700 W (12 V, 24 V, & 48 V) Models, 1,000 W &1,250 W, (24 V & 48 V) Models, 2,500 W (48 V Only) Models...
  • Page 2 Corporation can truly claim to be “the leading supplier of solar controllers and inverters.” That success is why Morningstar has had staying power and stable management for over 27 years, along with the lowest employee turnover rate.
  • Page 3 IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS - This manual contains important safety, installation, and operating instructions for the Morningstar SureSine Inverter. The SureSine produces voltages and currents capable of causing severe injury or death. Extreme caution must be taken when installing and using the SureSine.
  • Page 4 MORNINGSTAR World’s Leading Solar Controllers & Inverters WIRE AND CABLE SAFETY Proper wire type and size is required for all installations. Use only UL-listed Class B or Class C wire rated for 300 volts and 75ºC or higher. Use stranded wire for the battery circuit and solid or stranded wire for the AC and Ground circuits.
  • Page 5 MORNINGSTAR World’s Leading Solar Controllers & Inverters CAUTION: HOT SURFACE/BURN HAZARD The SureSine inverter models 700 Watts to 2,500 W can become very hot. Install the SureSine so that it cannot be accidentally touched by anyone or anything. BATTERY SAFETY INFORMATION WARNING: SHOCK HAZARD •...
  • Page 6 MORNINGSTAR World’s Leading Solar Controllers & Inverters BATTERY SAFETY INFORMATION (Continued) CAUTION: EQUIPMENT DAMAGE • Ensure the battery voltage matches the DC voltage requirements of the model of SureSine inverter to be installed. • Ensure the battery bank consists of batteries of the same type, make and age.

  • Page 7: Table Of Contents

    USB Port ......................36 4.4.1 To Connect to the USB Port..............36 MS-CAN (Future Feature) ..................37 4.5.1 To Connect the SureSine to another Morningstar Device ......37 4.5.2 To Connect the SureSine to a Morningstar Network ......38 Firmware Update Procedure ..................38 Specifi cations ......................39 Appendix A: Conductor Sizing ..................44...
  • Page 8 MORNINGSTAR World’s Leading Solar Controllers & Inverters Solid Copper Wire Rated for 90°C ..............47 Appendix B: Warranty .......................48 Claim Procedure ....................48 Warranty Exclusions And Limitations ..............48 List of Figures Figure 1: SureSine Inverters Series ....................1 Figure 2: SureSine Inverter Features (150 W & 300 W Models) .............2 Figure 3: SureSine Inverter Features (700 W Models) ..............3...

  • Page 9: Introduction

    • Multiple communication options. – Mobile devices can connect through Bluetooth – Other network devices can connect through Ethernet and/or EIA-485 – FUTURE FEATURE: The SureSine Inverter can pair with other Morningstar products that feature MS-CAN Communication for control, adjustments, and monitoring performance...

  • Page 10: Components Of The 150 W & 300 W Models

    INTRODUCTION Components of the 150 W & 300 W Models Figure 2 shows the components included with the 150 and 300 W models. Figure 2: SureSine Inverter Features (150 W & 300 W Models) MS-003650 (Rev B08)

  • Page 11: Components Of The 700 W Models

    INTRODUCTION Components of the 700 W Models Figure 3 shows the components included with the 700 W models. Figure 3: SureSine Inverter Features (700 W Models) MS-003650 (Rev B08)

  • Page 12: Components Of The 1,000 W To 2,500 W Models

    INTRODUCTION Components of the 1,000 W to 2,500 W Models Figure 4 shows the components included with the 1,000 W to 2,500 W models. Figure 4: SureSine Inverter Features (1,000 W to 2,500 W Models) MS-003650 (Rev B08)

  • Page 13: Dimensions Of The 150 W & 300 W Models

    INTRODUCTION Dimensions of the 150 W & 300 W Models Figure 5: Dimensions - 150 W to 300 W Models MS-003650 (Rev B08)

  • Page 14: Dimensions Of The 700 W To 2,500 W Models

    INTRODUCTION Dimensions of the 700 W to 2,500 W Models Figure 6: Dimensions - 700 W to 2,500 W Models MS-003650 (Rev B08)

  • Page 15: Installation

    INSTALLATION INSTALLATION Included in the box: • Mounting Screws (#10 x4) • CAN Terminal resistor • Terminal block connector (for Modbus, Remote Switch, Auxiliary Power) Required Tools WARNING: SHOCK HAZARD This product can produce hazardous voltage. Use insulated tools while working with this equipment.

  • Page 16: Mounting

    INSTALLATION Mounting The SureSine may be mounted horizontally on a fl at surface (like a table) or vertically (on a wall). If mounted vertically (on a wall), the inverter can be mounted either portrait style or landscape style. Ensure that there is enough space inside the enclosure for the wiring and ventilation.

  • Page 17: Safety Considerations For Mounting

    INSTALLATION 2.3.1 Safety Considerations for Mounting WARNING: EXPLOSION/FIRE HAZARD Do not install in a confi ned area where battery gases can accumulate. Battery gases can create an explosion or fi re hazard if ignited by a spark. Ensure the enclosure is ventilated well enough to disperse any accumulated gases. Do not install over an easily combustible surface, since the heat sink may get hot under certain operating conditions.

  • Page 18: Mounting Procedure

    INSTALLATION 2.3.2 Mounting Procedure To secure the inverter to the mounting surface: 1. Place the SureSine on the surface where it will be mounted and determine where the wires will enter/exit. • Be sure there is suffi cient bending room for the wires and other auxiliary connections, as required by local code.

  • Page 19: Adjusting Settings

    INSTALLATION Adjusting Settings The SureSine has eight (8) DIP Switches that allow for adjusting specifi c operational parameters for the inverter. Each switch has an ON/OFF position. See Section 2.4.2 on page 12 for details on specifi c settings. IMPORTANT: Check that the DIP Switches are properly confi gured for the designed installation prior to installing the inverter.

  • Page 20: Dip Switch Confi Guration Options

    INSTALLATION 2.4.2 DIP Switch Confi guration Options DIP Switches control the operational functions of the inverter as follows. The default position for these switches is OFF. Table 1: DIP Switch Confi guration Function Status Control Content Switch Operational AC Output is controlled by the Remote ON/OFF Switch Control AC Output is controlled by the communication command (digital command).

  • Page 21: Remote Switch Installation (Optional)

    INSTALLATION Remote Switch Installation (Optional) IMPORTANT: Check the AC Output Mode Switch on the AC end of the inverter and ensure it is in the REMOTE position before wiring. See Figure 22 on page 29. If the site application requires a Remote ON/OFF Switch, the following illustration shows where to connect the wires.

  • Page 22: Auxiliary Power (Optional)

    INSTALLATION Auxiliary Power (Optional) Auxiliary Power for 1 W (Maximum), 12 Vdc applications is available on the 700 W to 2,500 W Models only. These types of applications include: • EIA-485 Communication Bus. • Small DC devices (e.g., LEDs). Figure 14: Auxiliary Power Terminals on 700 W to 2,500 W Models MS-003650 (Rev B08)

  • Page 23: Inverter Wiring

    INSTALLATION Inverter Wiring This section provides general instructions for connecting all the wiring for the inverter. This includes DC, AC, Neutral, and all Ground connections (system and chassis). Ensure all connections are made as required by local regulatory code. WARNING: SHOCK HAZARD •...

  • Page 24: Over-Current Protection Requirements

    INSTALLATION 2.7.2 Over-current Protection Requirements WARNING: RISK OF FIRE Fuses or circuit breakers are required in the DC battery circuit (all models) and AC output circuit (700-2,500 W models) and shall be provided by the installer. Locate battery breakers or fused disconnects for easy access and free from hydrogen gas/sulfuric acid fumes.

  • Page 25: Dc And Ac Conductor Sizing Requirements

    INSTALLATION Table 4: AC Circuit Breaker/Fuse Size AC Circuit Breaker/Fuse Ratings* Model Power Rating 120 Vac Model 230 Vac Model 700 W 1.0 kW 1.25 kW 2.5 kW *Meets U.S. National Electrical Code Requirements 2.7.3 DC and AC Conductor Sizing Requirements Accepted practice for system design requires AC and DC conductors suffi...

  • Page 26: Grounding And Bonding Requirements

    INSTALLATION Use Table 6 to determine the minimum size for the AC output wires. Table 6: Minimum AC Output Wire Size* AC Wire Size* Model Power Rating 120 Vac Model 230 Vac Model 700 W 1,000 W 1,250 W 2,500 W *Meet U.S.

  • Page 27: Figure 15: Internal Grounded Neutral Vs. External Grounded Neutral (Internal Neutral Ground Bond Removed)

    INSTALLATION 2.7.4.1 Removing the Internal Neutral-Ground Bond for External Grounded Neutral (Hardwired AC models only) SureSine models that require AC wiring be hardwired include an internal neutral-ground jumper that can allow for the choice between an internal grounded neutral or an external grounded neutral. The default is set as an internal grounded neutral with the bond in place at the factory.

  • Page 28: Grounding Connections

    INSTALLATION Removing the internal neutral ground should only be implemented for applications which require an external Neutral-Ground bond. Two applications where this is required are: • Inverter as AC grid backup power using a single-pole AC transfer switch • Integration with AC Generator using a single-pole AC transfer switch These applications can use a single-pole AC transfer switch with another AC power source and share the same neutral-ground bond at all times.
  • Page 29 INSTALLATION 2.7.5.1 Chassis Ground The SureSine chassis grounding terminal is located on the outside of the case as shown in the DC wiring diagrams in Section 2.7.6. Use copper wire to connect the chassis grounding terminal, and other dead metal, to earth ground.

  • Page 30: Dc Connections

    INSTALLATION 2.7.6 DC Connections DC Connections will vary by site application. The SureSine Inverter can support 12-volt, 24-volt, and 48-volt battery systems. WARNING: HAZARDOUS CURRENT, RISK OF FIRE OR EXPLOSION • Do NOT allow the positive (+) DC cable to touch the Negative (–) DC cable. Allowing these cables to touch can create dangerous current or a possible fi...
  • Page 31 INSTALLATION 2.7.6.1 Negative Grounding For wiring diagrams showing NEGATIVELY grounded DC Wiring: • For 150 W & 300 W Models: See Figure 16 on page 24 • For 700 W, 1,000 W, 1,250 W & 2,500 W Models: See Figure 18 on page 25 2.7.6.2 Positive Grounding For wiring diagrams showing POSITIVELY grounded DC Wiring:...

  • Page 32: Figure 16: Dc Connections On 150 W & 300 W Models With Negative Grounding

    INSTALLATION Figure 16: DC Connections on 150 W & 300 W Models with Negative Grounding Figure 17: DC Connections on 150 W & 300 W Models with Positive Grounding MS-003650 (Rev B08)

  • Page 33: Figure 18: Dc Connections On 700 W To 2,500 W Models With Negative Grounding

    INSTALLATION Figure 18: DC Connections on 700 W to 2,500 W Models with Negative Grounding Figure 19: DC Connections on 700 W to 2,500 W Models with Positive Grounding MS-003650 (Rev B08)

  • Page 34: Ac Connections

    INSTALLATION 2.7.7 AC Connections WARNING: SHOCK HAZARD This unit is not provided with a GFDI device. This inverter must be used with an external GFDI device as required by the Article 690 of the National Electrical Code for the installation location. CAUTION: EQUIPMENT DAMAGE •...

  • Page 35: Ac Wiring

    INSTALLATION 2.7.8 AC Wiring The 700 W Model comes either factory-wired or has the option of being hardwired. The 1,000 W to 2,500 W Models require permanent, hardwired connections. Wiring must comply with local regulatory code for the specifi c site. WARNING: RISK OF FIRE Ensure wire sizes comply with local regulatory code.

  • Page 36: Check Wiring And Power Up

    INSTALLATION Figure 21: AC Wiring Check Wiring and Power Up 1. Review wiring steps and double-check all wiring and connections. 2. Verify that the battery is wired with correct polarity to the SureSine. 3. Connect the ungrounded battery cable to the ungrounded battery post. WARNING: RISK OF EXPLOSION Connecting the battery to the SureSine with the breaker or disconnect closed will cause a spark at the point of connection.

  • Page 37: Operation

    OPERATION OPERATION LED Indications Two Light Emitting Diodes (LEDs) are on the front of the unit to provide Status and AC Output Status. Table 8 defi nes what the LEDs represent. Table 8: LED Indications AC Output LED STATUS LED Operation or State No power or Battery below 9.5 V AC Output OFF...

  • Page 38: Communication Options

    SureSine inverters, Morningstar products, and 3rd-party equipment – (Future Feature Improvement) MS-CAN (Morningstar Communication Area Network) for a wired communication connection to other Morningstar products • 700 W to 2,500 W Models – Bluetooth for wireless communication to a mobile device –...

  • Page 39: Bluetooth

    COMMUNICATION OPTIONS Bluetooth Bluetooth is for connecting a mobile device to the SureSine Inverter. DIP Switch #8 must be enabled (ON) for this feature to function. See Section “2.4 Adjusting Settings” on page 11 for details on enabling this feature. 4.1.1 To Connect the SureSine using Bluetooth 1.

  • Page 40: Suresine Utility App

    COMMUNICATION OPTIONS 4.1.2 SureSine Utility App The SureSine inverter has a Utility App available for monitoring and settings adjustments. This app is designed for Android and Apple devices and connects using Bluetooth. The SureSine Utility App is available at Google Play and Apple App stores. Download and install the App and follow the instructions from the App for set up and operation.

  • Page 41: Ethernet (For Modbus™ Tcp/Ip)

    COMMUNICATION OPTIONS Ethernet (for Modbus™ TCP/IP) The Ethernet port is for communicating by Modbus TCP/IP. The Modbus specifi cation document is available at www.morningstarcorp.com. The Modbus specifi cation document details on register locations, scaling, and variable defi nitions. Use a CAT5, CAT6, or CAT7 cable with an RJ-45 plug for connections. 4.2.1 To Connect to the Internet using Modbus Protocols 1.

  • Page 42: Eia-485 Device Communication

    The TriStar-MPPT Charge Controller and RSC Serial adapters require an external 12 V power source to enable the EIA-485 communications. The 12 Vdc Auxiliary Power feature of 700 W to 2,500 W models can be used, therefore, to power Morningstar EIA-485 devices in an EIA-485 Network.

  • Page 43: Figure 29: Auxiliary Power Connections (700 W, 1,000 W, 1,250 W Or 2,500 W Models Only)

    COMMUNICATION OPTIONS 3. If using the Auxiliary Power feature of a SureSine 700 W to 2,500 W model to power Morningstar EIA-485 devices in an EIA-485 Network: • connect the Ground (GND) terminal wire from the EIA-485 device(s) to the –12 V terminal of the SureSine inverter •...

  • Page 44: Usb Port

    COMMUNICATION OPTIONS USB Port A USB port is available on the 700 W, 1,000 W, 1,250 W, and 2,500 W models. The USB port is used for connecting a USB device for fi rmware updating. This port requires a USB-A plug. This feature works with the following USB devices: •...

  • Page 45: Ms-Can (Future Feature)

    COMMUNICATION OPTIONS MS-CAN (Future Feature) MS-CAN is for communicating with other Morningstar components within the network. This feature is not available at this time. Check the Morningstar website (www.morningstarcorp.com) for updates. Note: The Morningstar component must be MS-CAN enabled. 4.5.1 To Connect the SureSine to another Morningstar Device 1.

  • Page 46: To Connect The Suresine To A Morningstar Network

    Morningstar device in the network. 5. Insert a 120 Ohm CANBUS terminator resister into the MS-CAN OUT port on the fi nal device, if no other Morningstar devices are to be connected. Figure 32: Communication Using MS-CAN with Multiple Devices FIRMWARE UPDATE PROCEDURE To update the SureSine fi...

  • Page 47: Specifications

    SPECIFICATIONS SPECIFICATIONS This section provides the specifi cations for the SureSine Inverter Industrial Line. Table 9: Specifi cations for the SureSine 150 and SureSine 300 Model Specifi cation SureSine 150 SureSine 300 24 V 48 V Rated Battery Voltage 12 V...
  • Page 48 SPECIFICATIONS Table 9: Specifi cations for the SureSine 150 and SureSine 300 Model Specifi cation SureSine 150 SureSine 300 Product Weight (kg) 3.8 kg 5.2 kg Shipping Weight 12.3” x 7.5” x 3.78” 13.0” x 7.5” x 3.78” Dimensions (L × W × H) 312 mm ×...
  • Page 49 SPECIFICATIONS Table 10: Specifi cations for the SureSine 700 and SureSine 1000 Model Specifi cation SureSine 700 SureSine 1000 1 minute Surge Power @40°C 1,050 W 1,500 W 3 minute Surge Power @40°C 840 W 1,200 W Transient Surge Protection Cooling Fanless natural convection Fanless natural convection...
  • Page 50 SPECIFICATIONS Table 10: Specifi cations for the SureSine 700 and SureSine 1000 Model Specifi cation SureSine 700 SureSine 1000 Wireless Communications Bluetooth Bluetooth Wireless App Android or Apple Android or Apple Data Storage 4 MB / 5 years internal 4 MB / 5 years internal UL Certifi...
  • Page 51 SPECIFICATIONS Table 11: Specifi cations for the SureSine 1250 and SureSine 2500 Model Specifi cation SureSine 1250 SureSine 2500 AC Output On 12 W 18.6 W Self-Consumption AC Output Off < 2.2 W < 2.4 W AC Short Circuit, AC Overload, AC Short Circuit, AC Overload, Electronic Protections High/Low Voltage...

  • Page 52: Conductor Sizing

    CONDUCTOR SIZING APPENDIX A: CONDUCTOR SIZING The following tables provide the 1-way, maximum length for cables and wires based on the system voltage and ampacity with a 2% voltage drop. A.1 Stranded Copper Wire Rated for 75°C Table 12: Maximum 1-way Wire Distance for 12-Volt Systems, Stranded Copper, 2% Voltage Drop 1-Way Wire Distance (feet), 12 Volt System Wire Size...

  • Page 53: A.2 Solid Copper Wire Rated For 75°C

    CONDUCTOR SIZING A.2 Solid Copper Wire Rated for 75°C Table 13: Maximum 1-way Wire Distance for 12-Volt Systems, Solid Copper, 2% Voltage Drop 1-Way Wire Distance (feet), 12 Volt System Wire Size (AWG) Amps Amps Amps Amps Amps Amps Amps Amps Amps Amps...

  • Page 54: A.3 Stranded Copper Wire Rated For 90°C

    CONDUCTOR SIZING A.3 Stranded Copper Wire Rated for 90°C Table 14: Maximum 1-way Wire Distance for 12-Volt Systems, Stranded Copper, 2% Voltage Drop 1-Way Wire Distance (feet), 12 Volt System Wire Size (AWG) Amps Amps Amps Amps Amps Amps Amps Amps Amps Amps 2/0 ** 22.4...

  • Page 55: A.4 Solid Copper Wire Rated For 90°C

    CONDUCTOR SIZING A.4 Solid Copper Wire Rated for 90°C Table 15: Maximum 1-way Wire Distance for 12-Volt Systems, Solid Copper, 2% Voltage Drop 1-Way Wire Distance (feet), 12 Volt System Wire Size (AWG) Amps Amps Amps Amps Amps Amps Amps Amps Amps Amps...

  • Page 56: Appendix B: Warranty

    Return Material Authorization (RMA) number. An RMA number must be issued by Morningstar prior to return of any unit(s) under this warranty. Required RMA information: (A) purchase location - business or company name - and date...
  • Page 57 ANY AND ALL IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. No Morningstar distributor, agent or employee is authorized to make any modifi cation or extension to this warranty. MORNINGSTAR IS NOT RESPONSIBLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND, INCLUDING BUT NOT LIMITED TO LOST PROFITS, DOWN-TIME, GOODWILL OR DAMAGE TO EQUIPMENT OR PROPERTY.
  • Page 58 Index Index Dimensions 150 W & 300 W Models ......5 700 W to 2.5 kW Models ......6 DIP Switch ............ 1 Confi guration Options ......12 AC Connections ......... 26 Location ........... 11 AC Neutral-Ground Bond ..... 18, 19 AC Output LED ..........
  • Page 59 Index Positive Grounding ........23 Power Up ............ 28 Remote Switch ..........7 Remote Switch Installation ......13 Safety Defi nitions Cautions ............ C Notes ............C Warnings ........... C Safety Information ........C Settings ............11 Specifi cations 1.25 kW & 2.5 kW Models ....... 42 150 W &...
  • Page 60 Index Notes: MS-003650 (Rev B08)
  • Page 61 MORNINGSTAR World’s Leading Solar Controllers & Inverters MS-003650 Rev B08 © 2022 Morningstar Corporation. All rights reserved.

This manual is also suitable for:

Suresine 300Suresine 700Suresine 1000Suresine 1250Suresine 2500

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