SHS

Morningstar’s SHS™ controller was specifically designed to meet the needs of rural solar home systems in developing countries. It provides many features and benefits not available on other controllers including automatic lighting control.  This controller is not sold in the USA or Canada.

Warranty

2 Years

Model Numbers

SHS-6, SHS-10

Key Features and Benefits

  • Low Cost
  • High Reliability
  • Complete Electronic Protections
  • Tropicalization
  • Easy to Use
  • Provides Controller and Battery Information
  • Better Battery Charging
  • High Quality Automated Production
  • Meets International Testing Standards
  • Multi-language Documentation
  • Automatic Lighting Control (NL version only)
Title Type Language Date Version
Product Accessory Compatibility Matrix application/pdf English Oct 29, 2013 01 Read More Download

Description:



The 2013/2014 Morningstar Product Accessory Compatibility Matrix. (English )


Type:

Marketing  

Product Accessory Compatibility Matrix
RoHS Certification Document application/pdf English Feb 19, 2014 01 Read More Download

Description:



The part numbers listed within are in compliance with Directive 2011/65/EC on the restriction of the use of certain
hazardous substances in electrical and electronic equipment (RoHS directives). This document also certifies that
the product declaration that has been provided by Morningstar Corporation is accurate.

Type:

Certification  

RoHS Certification Document
ISO 9000 and 9001 Certification text/plain English Jun 12, 2013 01 Read More

Description:



 

Type:

Certification  

DIAGRAM: Load Control w/ SureSine Inverter application/pdf English May 13, 2013 01 Read More Download

Description:



Two diagrams are provided showing how load control can be safely used with inverters. The first diagram is applicable to all inverters. The second diagram is applicable to Morningstar SureSine inverters (and possibly 3rd party inverters with remote ON/OFF contacts). Note that in these diagrams, the TriStar Load Controller can be replaced with any Morningstar controller with Load Control functionality.

Type:

Application  

DIAGRAM: Load Control w/ SureSine Inverter
DIAGRAM: Parallel Battery String Wiring application/pdf English May 28, 2013 01 Read More Download

Description:



A diagram shows how to correctly wire charge controllers to a battery bank comprised of multiple parallel strings. Correct wiring is important to ensure even and distributed charging of the entire bank.

Type:

Application  

DIAGRAM: Parallel Battery String Wiring
DIAGRAM: Charging with Parallel Controllers application/pdf English May 13, 2013 01 Read More Download

Description:



A diagram showing two SunSaver controllers shows how to properly parallel multiple Morningstar controllers into the same battery system. The concepts shown are applicable to all Morningstar controller models.

Type:

Application  

DIAGRAM: Charging with Parallel Controllers
DIAGRAM: Correct Inverter Wiring application/pdf English May 13, 2013 01 Read More Download

Description:



A diagram shows how to properly wire a charge controller and an inverter into the same battery-based PV system.

Type:

Application  

DIAGRAM: Correct Inverter Wiring
DIAGRAM: Load Control Using a Relay application/pdf English May 13, 2013 01 Read More Download

Description:



Some loads are not suitable for direct connection to the Load terminals of a Morningstar controller. Heavily inductive or capacitive loads such as pumps, motors, compressors, and inverters should not be wired to the controllers Load terminals. In addition, loads exceeding the Load Current Rating of the controller should not be connected to the controllers Load terminals. Low Voltage Disconnect protection can be maintained when using these loads via the use of a Relay. A diagram and corresponding notes shows how this can be accomplished.

Type:

Application  

DIAGRAM: Load Control Using a Relay
Why PWM? application/pdf English Nov 7, 2012 01 Read More Download

Description:



MorningstarCorporation-Why-PWM-Whitepaper-January2000
Frequently Asked Questions about PWM battery charging are addressed.

Type:

Whitepaper / Report  

Why PWM?
Declaration of Conformity for Products Under 48V application/pdf English Oct 20, 2011 01 Read More Download

Description:



The EMC Directive 2004/108/EC

Type:

Certification  

Declaration of Conformity for Products Under 48V
Trad-PWM-vs-TrakStar-MPPT-April-2014 application/pdf English Feb 12, 2014 01 Read More Download

Description:



A white paper discussing the advantages and disadvantages of PWM and MPPT charge controller technologies. Sizing, environmental, and cost factors are discussed.


Type:

Whitepaper / Report  

Trad-PWM-vs-TrakStar-MPPT-April-2014
Charging Isolated Battery Banks with one PV Array application/pdf English Apr 29, 2008 01 Read More Download

Description:



Wiring diagram for charging isolated battery banks using multiple controllers and only one PV array.

Type:

Application  

Charging Isolated Battery Banks with one PV Array
SunSaver versus SHS Comparison Chart application/pdf English Apr 9, 2013 01 Read More Download

Description:



SunSaver versus SHS Comparison Chart

Type:

Application  

SunSaver versus SHS Comparison Chart
SHS Datasheet application/pdf English Feb 2, 2012 02 Read More Download

Description:



Full operating specifications of the SHS including:
  • Electrical parameters
  • Mechanical specs
  • Environmental ratings


Type:

Datasheet  

SHS Datasheet
SHS Operator’s Manual application/pdf English Oct 25, 2011 02 Read More Download

Description:



Comprehensive manual covering installation, operation, and maintenance of the SHS controller.

Type:

IOM (Instruction and Operators Manual)  

SHS Operator’s Manual
SHS Mechanical Diagram application/pdf English Nov 26, 2007 01 Read More Download

Description:



This document shows the physical dimensions of the SHS controller.

Type:

CAD (3D Files, Drafts, Templates, Diagrams)  

SHS Mechanical Diagram
SHS Field Testing Instructions application/pdf English Oct 24, 2007 01 Read More Download

Description:



This document specifies basic testing instructions for verifying operation of the SunSaver controller when on site and no external power sources are available.  Recommended tools:

Type:

Test / Repair  

SHS Field Testing Instructions
SHS Advantages text/plain English Dec 11, 2007 01 Read More

Description:




Morningstar's SHS" controller was specifically designed to meet the needs of rural solar home systems in developing countries. This controller provides many features and benefits not available on other controllers.
  • Low Cost - Using the latest electronic technology and high volume manufacturing, the SHS provides the well-known "Morningstar quality" at a very competitive cost.
  • High Reliability - All Morningstar controllers including the SHS are built with high design margins to provide dependable service in harsh environments. The SHS includes a two year warranty.
  • Electronic Protections - The SHS has built-in electronic fuses that do not require replacement. Protections include short circuit, overcurrent, reverse polarity, reverse current at night, high voltage and lightning. Any wiring mistakes during installation will not damage the controller.
  • Tropicalization - The SHS printed circuit board is conformally coating which will minimize damage from humidity and nesting insects. The wire terminals are also protected against corrosion.
  • Easy to Use - The SHS controller is fully automatic and requires no adjustments or user selections. This will reduce the chances of a mistake during installation.
  • Provides Useful Information - The SHS controller has four LED's that indicate solar charging, high to low battery status, low voltage warning and any mistakes. We do not use multi-colored LED's which oftentimes are confusing.
  • Better Battery Charging - The SHS is a series PWM controller with 4 stages: Bulk, PWM, Boost and Float. The battery charging is temperature compensated. We do not design shunt controllers which may cause overheating of the electronics.
  • High Quality Automated Production - All Morningstar controllers including the SHS are produced in an ISO 9000 certified factory. The SHS uses surface mount technology (SMT) electronics and 100% automated functional testing to ensure consistent quality.
  • Meets Testing Standards - The SHS controller is certified to comply with CE and World Bank specifications.
  • Multi-language Documentation - The SHS data sheet is available in English, French, German, Portuguese and Spanish. The User's Manual includes all five languages.

Type:

Marketing  

SHS-6 World Bank Test Report application/pdf English Oct 24, 2007 01 Read More Download

Description:



World Bank test report for the SHS-6.



Type:

Application  

SHS-6 World Bank Test Report
SHS-10 World Bank Test Report application/pdf English Oct 24, 2007 01 Read More Download

Description:



World Bank Test Report for the SHS-10.

Type:

Application  

SHS-10 World Bank Test Report
SHS FET Replacement application/pdf English Oct 29, 2007 01 Read More Download

Description:



This document provides instruction on replacing damaged FETs in the SHS circuitry.

Type:

Test / Repair  

SHS FET Replacement
SHS 2D Draft (ACAD DWG) application/zip English Nov 29, 2007 01 Read More Download

Description:



A 2D mechanical draft of the SHS package.

DWG Autocad 13 format


Type:

CAD (3D Files, Drafts, Templates, Diagrams)  

SHS 2D Draft (ACAD DWG)
SHS 3D CAD Model (STL) application/zip English Nov 29, 2007 01 Read More Download

Description:



A 3D solid CAD model of the SHS controller shell for placement in systems designed in 3D CAD.

(.STL) Format


Type:

CAD (3D Files, Drafts, Templates, Diagrams)  

SHS 3D CAD Model (STL)
Title Type Language Date Version
Help using the MSView Software text/plain English May 13, 2013 01 Read More

Description:



MSView contains a built-in Help File (accessible from the Help menu -> Help Topics) which provides detailed information about using the software to connect to Morningstar devices, program custom settings, view and/or log real-time data, and evaluate system performance.


Type:

Tech Notes  

Changing Charge Settings with RM-1? text/plain English May 13, 2013 01 Read More

Description:



The Remote Meter (RM-1) cannot be used to change charging parameters. The RM-1 only displays data and provides basic user commands, such as resetting Amp-Hour counters.

For further information, please consult the RM-1 manual.


Type:

Tech Notes  

Changing Charging Settings with TriStar Meter? text/plain English May 13, 2013 01 Read More

Description:



The TriStar Meter family (TS-M, RS-RM, TS-M-2, TS-RM-2) cannot be used to change charging parameters. The TriStar Meters only display system data and provide basic user commands, such as resetting Amp-Hour counters and starting/stopping an Equalize charge.

For more information concerning the TriStar Meter family, please consult the respective TriStar Meter manual.


Type:

Tech Notes  

Meter Display Buttons Not Working text/plain English May 13, 2013 01 Read More

Description:



The note below assumes the meter is powered and displaying text on the screen.

If a button(s) for any one of the following display models appears to stop working:

- TS-M / TS-RM
- TS-M-2 / TS-RM-2
- RM-1

there may be several explanations:

1) You have reached the end of a menu, and there are no more screens to display in that direction (e.g. if you go to the bottom of a menu and continue to push the DOWN arrow, nothing will happen)

2) If the backlight is OFF, the first button press will turn the backlight ON, but will not change the meter screen. E.g. if the backlight is OFF and you would like to move LEFT in the display, you must press LEFT twice - the first to turn the backlight ON, the second to move LEFT in the display). In brightly lit rooms or sunny conditions, it may be difficult to detect whether the backlight is ON or OFF.

3) The button contacts have become dirty. To clean the button contacts:

- Disconnect the meter cable from the back of the meter
- Remove the two screws on the back of the meter, holding the meter circuit board to the faceplate
- Wet a Q-tip or small paper towel with a small amount of alcohol
- Clean the 4 contact points on the circuit board and the contact point on each of the buttons

If the meter button(s) still do not function correctly after checking the points above, contact your Morningstar re-seller / dealer for warranty replacement.



Type:

Tech Notes  

What is the PWM switching frequency? text/plain English May 13, 2013 01 Read More

Description:



All Morningstar PWM type controllers have a PWM switching frequency of ~300Hz.

Some Morningstar PWM controllers have a feature which will reduce the switching frequency to ~1Hz (called on/off charging). This on/off charging virtually eliminates switching noise (both radiated and conducted) and can be used when experiencing noise problems with 300Hz switching operation.

Current models with this on/off charging option are:

- SunSaver Generation 3
- ProStar
- TriStar


Type:

Tech Notes  

Charging LED staying lit after solar input removed text/plain English May 12, 2013 01 Read More

Description:



Most Morningstar controllers will take up to 5 minutes to realize that the solar input voltage is no longer present before transitioning into the 'night' state. The controller performs periodic day/nigh checks (about once every 5 minutes). Depending upon where the controller is in this cycle when the input is removed, it may take anywhere from 0-5min for the controller to turn off its Charging LED and go into the 'night' state.

Type:

Tech Notes  

Can I mount the controller horizontally? text/plain English May 12, 2013 01 Read More

Description:



Morningstar controllers have been designed to mount vertically. This is the orientation in which the heatsinks are most effective. Mounting the controller horizontally will reduce its passive cooling efficiency, but the risk of overheating will be determined by the ambient temperature and the power level at which the controller will be operating.

Type:

Tech Notes  

What is the function of the ‘Load’ port? text/plain English May 12, 2013 01 Read More

Description:



The Load terminals provide power to DC devices such as fans, compact fluorescents, radio equipment, etc. When the battery discharges too low, the controller will disconnect the dc loads to prevent over-discharge (LVD equipped units only) and automatically reconnect when the battery has sufficiently recharged. The total load draw through the LOAD connection should be within the nameplate rating of the controller.

Type:

Tech Notes  

Calculating temperature compensated charging application/pdf English May 17, 2011 1 Read More Download

Description:



Here's a brief explanation on how to calculate the temperature compensated adjustments our controllers make to their charging voltages based on the ambient temperature changes.

The charging voltages listed in the controller operator's manual are specified at a 25C standard test condition ambient temperature with a -.030V (@ 12V battery) adjustment per degree C change in temperature above or below the 25C reference. The (-) in front of the .030V indicates that voltage adjustment is inverse to the change in temperature. In other words, if the temperature increases above 25C, the controller decreases it's charging voltage by -.030V per degree C rise above 25C and vice versa. An accurate measurement of the ambient temperature is required for calculating the the controller's temperature compensated adjustment.

Example:

An ambient temperature of 35C = +10C increase above the 25C base temp = 10 x -.030V compensated adjustment = temperature compensated -.300V decrease in charging voltage.
Therefore, a 14.4V charging voltage specified in the manual @ 25C would be reduced to 14.1V @ 35C or increased to 14.7V @ 15C.

The compensation rate is doubled to .060V/C for 24Vnominal battery systems and quadrupled to .120V/C for 48V nominal battery systems.


Type:

Tech Notes  

Calculating temperature compensated charging
Using a DC power supply as a PV panel substitute? text/plain English Mar 5, 2009 01 Read More

Description:



Can I use a power source other than a PV panel to charge my batteries?

We do not recommend using a DC power supply with any of our controllers. While they appear to be similar to PV modules in function, DC power supplies have considerably more output capacitance. Connecting a DC power supply to our controllers may cause excessive heating and premature failure. AC powered battery chargers are a better alternative for systems requiring AC battery charging.


Type:

Tech Notes  

Calculating temperature compensation variances application/pdf English Sep 28, 2011 01 Read More Download

Description:



How do I calculate the effect of temperature compensation on the regulation voltage?
Refer to the "Temperature Compensation Charts" document, which includes compensation curves for most Morningstar Controllers, or refer to temperature compensation coefficient in the specifications section of the operator's manual.


Type:

Tech Notes  

Calculating temperature compensation variances
Do Morningstar controllers use SOC calculations? text/plain English Sep 28, 2011 01 Read More

Description:



- Do Morningstar Controllers regulate according to SOC (State of Charge) calculations?
No. Morningstar Controllers regulate according to battery voltage setpoints. Because battery health and other factors affect charging over time, using voltage setpoints is a way to naturally track these changes and affords the user a complete understanding of the controllers operation. SOC calculations and algorithms may not be precise under all conditions and may leave the user with a "fuzzy" understanding of the workings of the unit.


Type:

Tech Notes  

Charge isolated battery banks with one controller application/pdf English Sep 28, 2011 01 Read More Download

Description:



- Can I charge separate battery banks with one Morningstar charge controller?
Yes.  Refer to the document, "Charging Isolated Battery Banks - One Controller".


Type:

Tech Notes  

Charge isolated battery banks with one controller
Using multiple controllers with one PV array application/pdf English Sep 28, 2011 01 Read More Download

Description:



- Can I wire multiple controllers in parallel off the same PV array to charge different batteries?
Yes. Refer to the document, "Charging Isolated Battery Banks".


Type:

Tech Notes  

Using multiple controllers with one PV array
Buzzing noise during charging text/plain English Dec 7, 2009 01 Read More

Description:



- I sometimes hear a buzzing noise during charging. Is something wrong?
No. The buzzing sound is mechanical resonance created by the switching of current through the circuit board and solid-state devices. This is normal and not indicative of a problem.


Type:

Tech Notes  

Higher voltage array with a lower voltage battery text/plain English Sep 28, 2011 01 Read More

Description:



- Can I use a higher nominal voltage array on a lower nominal voltage battery bank? (e.g. 24V array to charge a 12V battery bank)
No. The nominal voltage of the PV array must match the nominal voltage of the battery bank. This same concept applies to load control as well.


Type:

Tech Notes  

Parallel load outputs of multiple controllers text/plain English Sep 28, 2011 01 Read More

Description:



The load outputs of multiple charge controllers can be wired together in parallel provided the following is true:

Type:

Tech Notes  

Charging NiMh Batteries text/plain English Oct 16, 2007 01 Read More

Description:



Our controllers are designed to charge lead-acid batteries which have different charging requirements than NiMh. Please do not use our products with NiMh batteries, it is dangerous to do so.



Type:

Tech Notes  

Common Reasons Why Power Transistors Fail text/plain English Sep 28, 2011 01 Read More

Description:



The internal switches of a controller, called MOSFETs or power transistors, switch current on and off to control solar current and load current. Because these components are in the power path, the controller will no longer be able to switch current if they fail.

Power transistors can fail for the following reasons:

  1. Over-voltage: lightning or other high voltage transients on the PV power cables.
  2. Over-current: too much PV for the controller or a short in the PV line pulls too much currentout of the battery through the controller.
  3. Extreme temperatures during charging.
  4. A premature failure of the component. The transistors are solid state devices that are manufactured in huge volumes with extremely low failure rates. However, no electrical components are 100% defect free and can pass test and then fail after a short period of time.
  5. Old age


Type:

Tech Notes  

Wiring an inverter to controller Load output text/plain English Sep 28, 2011 01 Read More

Description:



We do not recommend wiring inverters to the load terminals of our products because of current in-rush on start up. Inverters typically have large amounts of input capacitance (for input filtering). When power is first applied, these capacitors can draw very large currents in the 100's of amps, albeit for a short period of time. These current surges can stress our power transistors and will trip our short circuit protections. The inverter may start eventually after several attempts to reconnect from the short circuit condition, but this mode of operation is not normal.

For this reason, we do not recommend wiring inverters directly. Many inverters have their own LVD circuitry and will not allow the battery to discharge too low. However, if the customer requires load control and LVD functionality, they can switch the inverter through a relay wired in series between the battery and inverter. The relay is switched by the load terminals of the controller. Refer to the Related Documents list for load relay wiring diagrams.



Type:

Tech Notes  

What is PWM charging? application/pdf English Dec 11, 2007 01 Read More Download

Description:



What is PWM charging?
PWM is an acronym for Pulse Width Modulation. When the battery is recharged to regulation voltage, the controller will begin limiting the amount of current into the battery so that the regulation voltage is maintained but not surpassed. The method of regulating the current, referred to as PWM, pulses current into the battery with pulses of a varying width. Wider pulses allow a greater percentage of the input current to flow into the battery, narrower pulses restrict current to a lower percentage. Refer to the document,  "Why PWM?" for more technical and detailed information concerning PWM charging.


Type:

Tech Notes  

What is PWM charging?
What is the purpose of the Load connection? text/plain English Sep 28, 2011 01 Read More

Description:



What is the purpose of the "Load" connection?
The Load connection allows the user to wire DC devices such as fans, bulbs, or communication equipment directly to the controller. This allows the controller to disconnect the loads if necessary for protection of the controller, battery, or the loads themselves. This connection is optional.



Type:

Tech Notes  

Wiring multiple controllers to one battery bank? text/plain English Dec 10, 2007 01 Read More

Description:



- Can I wire multiple controllers to the same battery bank?
Yes. There can be as many Morningstar controllers as required in parallel on the same battery bank.


Type:

Tech Notes  

SHS Specifications text/plain English Oct 25, 2007 01 Read More

Description:




Morningstar's SHS" controller was specifically designed to meet the needs of rural solar home systems in developing countries. This controller provides many features and benefits not available on other controllers.

Type:

Tech Notes  

Self Consumption Current vs Battery Voltage text/plain English Oct 4, 2007 01 Read More

Description:



The following table shows expected quiescent current of the SHS controller for several battery voltages. The charging circuit consumes an extra 3.1mA.

Battery Voltage
Quiescent Current**
8 Volts
4.2 mA
10 Volts
5.1 mA
12 Volts
5.3 mA
14 Volts
5.5 mA
** Add 3.1mA during charging hours


Type:

Tech Notes  

Title Type Language Date Version
SHS Night Light-6 Angled Product Photo image/png English Oct 9, 2013 01 Read More Download

Description:



SHS Night Light-6 Angled Product Photo
216 KB

Type:

Image  

SHS Night Light-6 Angled Product Photo
SHS NIght Light-6 Straight Product Photo image/png English Oct 9, 2013 01 Read More Download

Description:



SHS Night Light-6 Straight Product Photo
256 KB

Type:

Image  

SHS NIght Light-6 Straight Product Photo
SHS-Night Light-10 Angled Product Photo image/png English Oct 9, 2013 01 Read More Download

Description:



SHS-NL-10 Angled Product Photo
219 KB

Type:

Image  

SHS-Night Light-10 Angled Product Photo
SHS-Night Light-10 Straight Product Photo image/png English Oct 9, 2013 01 Read More Download

Description:



SHS-NL-10 Straight Product Photo
259 KB

Type:

Image  

SHS-Night Light-10 Straight Product Photo
SHS-6 Angled Product Photo image/png English Oct 9, 2013 01 Read More Download

Description:



SHS-6 Angled Product Photo
217 KB
72 dpi
PNG file


Type:

Image  

SHS-6 Angled Product Photo
SHS-10 Angled Product Photo image/png English Oct 9, 2013 01 Read More Download

Description:



SHS-10 Angled Product Photo
225 KB
72 dpi
PNG file

Type:

Image  

SHS-10 Angled Product Photo
SHS-6 Straight Product Photo image/png English Oct 9, 2013 01 Read More Download

Description:



SHS-6 Straight Product Photo
252 KB

Type:

Image  

SHS-6 Straight Product Photo
SHS-10 Product Photo Straight image/png English Oct 9, 2013 01 Read More Download

Description:



SHS-10 Product Photo Straight

Type:

Image  

SHS-10 Product Photo Straight