Morningstar SunSaver MPPT Quick start guide

Optional Accessories:

Quick Start Guide

Specifications:

Operational Configuration:

SS-MPPT-15L

NominalBatteryVoltage

12Vor24V

Max.SolarInputVoltage 60V

NominalMaximumInputPower 200W/400W

MaximumBatteryCurrent 15A

BatteryVoltageRange

7–36V

©2021MorningstarCorporation.AllRightsReserved. MS‐003294SS‐MPPTQSG(3/16/2021)RevC03

In the Box:

Mounting

Screws(x4)

Tools Required:

— #2PhilipsScrewdriver

— 3/16(5mm)&3/32"(2.5mm)FlatheadScrewdriver

— Drillwitha3/32"(2.5mm)bit

— Multimeter

RemoteMeter(RM‐1)

EthernetMeterBus

Converter(EMC‐1)

Safety Information:

WARNING: Shock Hazard

TheSunSaverMPPTcontrollermustbeinstalledbya

qualifiedtechnicianinaccordancewiththeelectrical

regulationsofthecountryofinstallation.

WARNING: Shock Hazard

ThisunitisnotprovidedwithaGFDIdevice.Thischarge

controllermustbeusedwithanexternalGFDIdeviceas

requiredbytheArticle690oftheNationalElectricalCode

fortheinstallationlocation.

IMPORTANT: READtheSunSaverMPPTInstallation

Manualforsafetyandregulatoryinformation,

instructionsonconfigurationandoperation,and

rrantyinformation.

RemoteTemperature

Sensor(RTS)

Scan QR Code to go

directly to the

SunSaver MPPT

Installation Manual

and warranty

information online.

Contact Information:

TechnicalSupport:Support.morningstarcorp.com

Phone:1‐215‐321‐4457

SunSaverMPPT

ChargeController

WarrantyRegistration:https://www.morningstarcorp.com/product‐registration/

ForCustomProgramming:

Usethesoftwareavailableathttps://www.morningstarcorp.com/msview/.

SeetheSunSaverMPPTInstallation,Operations,andMaintenanceManualfor

additionalinformation/guidance.

PCMeterBusAdapter

(MSC)

USBCommunicationsAdapter

(UMC‐1)

BatterySelectJumper

INSERTED

BatterySelectJumper

REMOVED

Switch 1: Battery Type

Gel

Sealed

AGM

Flooded

Switch 2: Load Control /

Low Voltage Disconnect/Reconnect

LVD=11.5V

LVR=12.6V

LVD=11.0V

LVR=12.1V

DIP

Switches

Switch 3: Auto-Equalization

Auto‐EqualizeOFF

Auto‐EqualizeON

(AGM,FloodedBatteryTypesonly)

Switch 4: Communication Mode -

Meter/MODBUS®

RemoteMeter,&

RelayDriver

MODBUS®Protocolfor

MSView,EthernetMeterbus

Converter,3

‐PartyDevices

DIP

Switches

Top

ONOFF

OFF

ONOFF

Setpointsforthisswitchsettingcanbemodifiedwithcustomprogramming.

Thesevaluescanbemodified

withcustomprogramming.

RatedLoadCurrent 15A

BATTERY SET POINTS

12-volt (24-volt)

Set Point GEL

AbsorptionVoltage

FloatVoltage

TimeuntilFloat

EqualizeVoltage

14.0V

(28.0V)

13.7V

(27.4V)

3hours

N/A

Sealed

14.1V

(28.2V)

13.7V

(27.4V)

3hours

N/A

EqualizeDuration

EqualizeCalendar(days)

MaximumRegulationVoltage*

N/A

15V(30V)

N/A

LVD**/LVR**(Switch2OFF)

LVD**/LVR**(Switch2ON)

LoadHVD**

11.5V/12.6V@12V(23.0V/25.2V@24V)

11.0V/12.1V@12V(22.0V/24.2V@24V)

15.3V(30.6V)

LoadHVR**

ArrayHVD(Temp.Comp.)

ArrayHVR(Temp.Comp.)

14.5V(29V)

Highestvoltagesetpoint+0.5V

13.8V(27.6V)

AGM

14.3V

(28.6V)

13.7V

(27.4V)

3hours

14.5V

Flooded

14.4V

(28.8V)

13.7V

(27.4)

3hours

14.9V

3hours

*Nottemperaturecompensated.15V@12Vnominal,30V@24Vnominal.



AdjustablebyDIPSwitch2.Nottemperaturecompensated.Canbemodifiedin

customsettings.

Bottom

DIP

Switches

RelayDriver(RD‐1)

SunSaver MPPT™ Charge Controller

Quick Start Guide

(+)

(–)

(+)

(–)

Solar Disconnect*

(PV GFP required per

NEC 690)

Photovoltaic (PV) Array

Battery / Battery Bank

Battery

Disconnect*

DC Load

Disconnect*

Remote

Temperature

Sensor

RJ‐11

Cable

Power UP Sequence:

1. ConnectBattery/BatteryBank.

2. ConnectSolar.

Power DOWN Sequence:

1. DisconnectSolar.

2. DisconnectBattery/BatteryBank.

Mounting:

Minimum

Clearance

Requirements:

CAUTION: Equipment Damage

DonotexposetheSunSaverMPPTtoweather.Locateinadry,

protectedareatopreventequipmentdamage.Ensurethe

minimumclearancerequirementsarefollowedtoprovide

adequateventilationandpreventtheunitfromoverheating.

IMPORTANT: Exampleonly.Actualwiringmayvary.READtheSunSaver

MPPTInstallation,Operations,andMaintenanceManualformandatory

safetyrequirements.Allconfigurationmustcomplywithlocalandnational

electriccodes.Consultyourlocalelectricauthoritytoensurecompliance.

Negative (–)

Positive (+)

Ground

SeetheMorningstarPVStringCalculatorat:

http://string‐calculator.morningstarcorp.com/

Component

LoadTerminals

WireSize

(Solid)

#6AWG

16mm



(Maximum)

ToolRequired

3/16"(5mm)

FlatheadScrewdriver

BatteryTerminals

Wiring and Torque Requirements

Torque

(Maximum)

10.6in‐lbs.

(1.2Nm)

SolarTerminals

Securinghardware

notshown.

WARNING: Explosion Hazard

NeverinstalltheSunSaverMPPTinanenclosurewith

vented/floodedbatteries.Batteryfumesareflammable

andwillcorrodeanddestroytheSunSavercircuits.

Step 1: Choose Mounting Location

LocatetheSunSaverMPPTonaverticalsurface

protectedfromdirectsun,hightemperatures,andwater.

Step 2: Check for Clearance and Ventilation

PlacetheSunSaverMPPTinthelocationwhereitwillbe

mounted.Verifythatthereissufficientroomtorunwires

andthatthereisampleroomaboveandbelowthe

controllerforairflow.

Step

3: Mark Holes

Useapencilorpentomarkthefour(4)

mountingholelocationsonthemountingsurface.

Step 4: Drill Holes

Removethecontrolleranddrill3/32”(2.5mm)

holesinthemarkedlocations.

Step 5: Secure Controller

Placethecontrolleronthesurfaceandalignthemounting

holeswiththedrilledholesinstep4.Securethecont

roller

inplaceusingtheMountingscrews(included).

3/32"(2.5mm)

Battery(+)

Battery(—)

Optional Accessories

RemoteMeter

(RM‐1)

Ethernet

MeterBus

Converter

PCMeterBus

Adapter(MSC)

USB

Communications

Adapter(UMC‐1)

RemoteTemperature

Sensor

#22AWG/0.3mm

(Minimum)

#12AWG/3.0mm

(Maximum)

3/32"(2.5mm)

FlatheadScrewdriver

3.5in‐lbs.

(0.4Nm)

WireSize

(multistrand)

#6AWG

16mm

2

(Maximum)

WireSize

(finestrand)

#8AWG

10mm



(Maximum)

Recommended

Orderof

Installation

DC Load(s)*

CommunicationsSecurity

Lighting

Industrial

Residential

PrimarySystem

Ground

FusesorDisconnects

*Fuseorbreakersizingmustbebasedonrequiredwireampacity.

Ifusingafuse,doNOTinsertthefuseinthefuse‐holderuntilafteralltheother

connectionshavebeencompleted.

(+)

(–)

12VdcModule 12VdcModule

60VocMaximum

WARNING: Risk of Fire

IfaRemoteTemperatureSensor(RTS)isNOTconnected,

locatetheSunSaverMPPTwithin3m(10ft)ofthebatteries.

InternaltemperaturecompensationwillbeusediftheRTSis

notconnected.UseoftheRTSisstronglyrecommended.

WARNING: Shock Hazard

Fuses,circuitbreakers,anddisconnectswitchesneveropengrounded

systemconductors.OnlyGFDIdevicesarepermittedtodisconnect

groundedconductors.

STATUS LED

None

Green

Red

Indication

Operating

State

Color

OFF(withheartbeat

)

ONSolid(withheartbeat

)

Flashing

ONSolid(withheartbeat

)

Night

Charging

Error

CriticalError

StatusLED BatterySOCLEDs

¹heartbeatindicationflickerstheStatusLEDON brieflyevery5seconds

heartbeatindicationflickerstheStatusLEDOFF brieflyevery5seconds

IMPORTANT:

ArrayVoltageshouldNEVERexceed

themaximuminputvoltage.

BATTERY STATE-OF-CHARGE (SOC) LEDs

Green

Indication

Battery

Status

SOC

LED

FastFlashing(2Flash/sec)

MediumFlashing(1Flash/sec)

SlowFlashing(1Flash/2sec)

ONSolid

EqualizeCharge

Absorption

Charge

FloatCharge

NearlyFull

Load Status

LoadON

Yellow

Red

ONSolid

Flashing(1Flash/sec)

ONSolid

HalfFull

BatteryLow

BatteryEmpty

LoadON

LVDWarning

(LoadOn)

LVD(LoadOff)

LEGEND

WARNING: Shock Hazard

Testbetweenallterminalsandgroundbeforetouching.

PoweroraccessoryterminalsareNOTelectricallyisolatedfromDCinput

andmaybeenergizedwithhazardoussolarvoltage.

IMPORTANT:

Ensurethereisonly1 DCNegative‐to‐GroundBondintheentiresystem.

RelayDriver

(RD‐1)

Morningstar SunSaver MPPT Quick start guide

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