Morningstar SunSaver SS-6 Operator's Manual
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Morningstar SunSaver SS-6 Operator's Manual

Photovoltaic system controllers
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P H O T O V O LTA I C S Y S T E M C O N T R O L L E R S
O
PERATOR
SUNSAVER MODELS
INCLUDED IN THIS MANUAL
SS-6 / SS-6L
•
SS-10 / SS-10L
•
SS-10-24V / SS-10L-24V
•
SS-20L
•
SS-20L-24V
•
1098 Washington Crossing Road
Washington Crossing, PA 18977 USA
Website: www.morningstarcorp.com
'
M
S
ANUAL
6A / 12V
10A / 12V
10A / 24V
20A / 12V
20A / 24V

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Summary of Contents for Morningstar SunSaver SS-6

  • Page 1 P H O T O V O LTA I C S Y S T E M C O N T R O L L E R S ’ PERATOR ANUAL SUNSAVER MODELS INCLUDED IN THIS MANUAL SS-6 / SS-6L • 6A / 12V SS-10 / SS-10L •...
  • Page 2 SPECIFICATION SUMMARY SS-6 SS-10 SS-20 24 Volt System Volts Maximum PV Volts Rated PV Input Rated Load Maximum array short 12.5 circuit current Setpoints: Sealed PWM 14.1 14.1 14.1 28.2 Flooded PWM 14.4 14.4 14.4 28.8 11.5 11.5 11.5 23.0 LVD Reconnect 12.6 12.6...

  • Page 3: Table Of Contents

    CONTENTS 1.0 G ..........4 ENERAL NFORMATION 2.0 I ......4 MPORTANT AFETY NSTRUCTIONS 2.1 Installations in Hazardous (Classified) Locations ..........4 3.0 Q ........5 UICK TART NSTRUCTIONS 4.0 LED I .............. 6 NDICATORS 5.0 I ..........7 NSTALLATION NSTRUCTIONS 5.1 Ratings and Limits ..........

  • Page 4: General Information

    1.0 GENERAL INFORMATION Thank you for selecting the SunSaver™ PV controller. The SunSaver is a sophisticated controller using advanced tech- nology and series switching PWM charging. The battery charging process has been optimized for longer battery life and improved system performance. Many specifications of the SunSaver are unique.

  • Page 5: Quick Start Instructions

    – – – SELECT Battery MORNINGSTAR BATTERY 1. Mount the SunSaver to a vertical surface. Allow space above and below the controller for air flow. 2. Make sure the PV and load currents will not exceed the ratings of the SunSaver model being installed.

  • Page 6: Led Indicators

    5. Connect the SOLAR (PV array) next. The green LED indicator will light if sunlight is present. 6. Connect the LOAD last. If this model includes an LVD and the red LED indicator lights, the battery capacity is low and should be charged before completing the system installation.

  • Page 7: Installation Instructions

    5.0 INSTALLATION INSTRUCTIONS 5.1 R ATINGS AND IMITS • The SunSaver is rated for 12 volt (or 24 volt) PV systems. Do not connect to a PV array with open circuit voltage (Voc) greater than 25 (or 44) volts. • Maximum array short circuit current rating: 8.1 amps AVER 12.5 amps...

  • Page 8: Polarity Protection

    5.2 P OLARITY ROTECTION The SunSaver is generally protected from reversed connec- tions, but the system operator and other equipment will be at risk when polarities (+ and – ) are reversed. Carefully check before making each connection to be certain the polarity is correct.
  • Page 9 The SunSaver is very corrosion resistant. The case is hard coat anodized, cover screws are stainless steel, the circuit is encapsulated, and the termi- nals are copper and nickel plated brass. 2. Confirm that the PV array and loads will not exceed the current ratings of the SunSaver model being installed (see specifications on page 2).

  • Page 10: Operation

    5. SOLAR First, be certain the battery (+ and –) is connected correctly. Then connect the PV array to the SOLAR terminals. Be CERTAIN that the PV + and – wires are connected correctly. The green LED will light if the array is connected during the daytime.

  • Page 11: Operation And Functions

    the PV system. Battery charging is managed by a constant volt- age PWM algorithm that has been optimized for PV systems. The only manual tasks performed by the operator are: a. Installation (see Section 5.3 ) b. Battery type selection (see Section 5.3-7) c.

  • Page 12: Inspection And Maintenance

    • Low Voltage Disconnect (LVD) The automatic load disconnect is an option. If the battery falls below 11.5 (or 23.0) volts, the load is disconnected from the battery to protect against harmful deep discharges. A 2-second delay prevents load disconnects from transients. The load is automatically reconnected when the battery voltage recovers to 12.6 (or 25.2) volts.

  • Page 13: Testing And Troubleshooting

    • Connect only one power supply to the controller. For more information on testing SunSaver controllers with a power supply contact the Morningstar Web Site for test procedures 7.2 T ROUBLESHOOTING The SunSaver is very rugged and designed for the most extreme operating conditions.
  • Page 14 1. Troubleshooting should be done by AUTIONS qualified personnel only. 2. Remember that a battery can cause serious damage if shorted. 3. There are no user serviceable parts, fuses or circuit breakers inside the SunSaver. 4. Observe all normal precautions when working with energized circuitry.
  • Page 15 LVD, the load should have power. Then measure the voltage at the controller LOAD terminals, and if there is no voltage present, the controller may be defective. For more detailed testing instructions contact the Morningstar web site.

  • Page 16: Specifications

    8.0 TECHNICAL SPECIFICATIONS RELIABILITY MECHANICAL 5-year failure rates at a 95% confidence level • Dimensions: (inches) ..6.0 x 2.2 x 1.3 (W•H•D) • SunSaver-6 ........< 0.1% (mm) ..152 x 56 x 33 (W•H•D) • SunSaver-10 ........< 0.2% •...

This manual is also suitable for:

Sunsaver ss-6lSunsaver ss-10-24vSunsaver ss-10lSunsaver ss-10l-24vSunsaver ss-20lSunsaver ss-10 ... Show all

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