Product Manual

4.0OPERATION
MORNINGSTARCORPORATION 35
4.0
4.4 Protections
Solar Overload
(ChargingStatusLED:Redashing)Ifthesolarcurrent
exceedsthemaximumsolarrating,theSunSaverwill
stopcharginguntilthesolarcurrentreturnstowithinits
operationalrating.SeeSection 7.0 Technical Specications
formoreinformation.
Load Overload
(BatteryStatusLEDs:G&R-Ysequencing)Iftheload
currentexceedsthemaximumloadcurrentrating,the
SunSaverwilldisconnecttheload.
TheSunSaverwillattempttoreconnecttheloadtwo
(2)timesapproximately10secondsapart.Iftheoverload
remainsafterthersttwo(2)attempts,thefaultmustbe
clearedbyremovingandreapplyingpower.
Solar Short Circuit
(ChargingStatusLED:off)Solarinputpowerwiresare
short-circuited.Chargingautomaticallyresumeswhenthe
shortiscleared.
Load Short Circuit
(BatteryStatusLEDs:G&R-Ysequencing)Fully
protectedagainstloadwiringshort-circuits.Aftertwo(2)
automaticloadreconnectattempts(10secondsapart),the
faultmustbeclearedbyremovingandreapplyingpower.
PV Reverse Polarity
(ChargeStatusLED:off)Fullyprotectedagainstreverse
solarconnection.Nodamagetothecontrollerwillresult.
Correctthemistaketoresumenormaloperation.
Battery Reverse Polarity
(BatteryStatusLED:G&R-Y)Fullyprotectedagainst
reversebatteryconnection.Nodamagetothecontrollerwill
result.Correctthemistaketoresumenormaloperation.
Damaged Local Temperature Sensor
(BatteryStatusLED:R-Y
-Gsequencing,ChargeStatus
LED:
Ronsolid)Thelocalambienttemperaturesensor
isshort-circuitedordamaged.Chargingstopstoavoid
over-orunder-charging.Thisisacriticalerror.Contactyour
authorizedMorningstardealerforservice.
Damaged Internal Temperature Sensor
(BatteryStatusLED:R-Y-Gsequencing,ChargeStatus
LED:Ronsolid)Theinternalheatsinktemperaturesensor
isdamaged.Thisisacriticalerror.Contactyourauthorized
Morningstardealerforservice.
High Temperature
(BatteryStatusLED:R-Ysequencing)Theheatsink
temperaturehasexceeded85°Candthesolarandloadis
disconnected.TheSunSaverwillautomaticallyreconnect
whentheheatsinkcoolsto80°C.
High Voltage Disconnect
(BatteryStatusLED:R-Gsequencing)Thebattery
voltagehasexceededthecontroller’smaximumregulation
limit.Thesolarandloadwillbedisconnecteduntil
thebatteryvoltagedecreasestotheSunSaver’sHigh
VoltageReconnectthreshold.SeeSection 7.0 Technical
Specicationsformoreinformation.