Morningstar SUNSAVER SS-20L-12V User Manual

Installation and Operation Manual
www.morningstarcorp.com
MORNINGSTAR
World’s Leading Solar Controllers & Inver ters
S
UN
S
AVER
PV SYSTEM CONTROLLERS
SEALED
OR
FLOODED
SELECT
LOAD
BATTERY
SOLAR
Remove
Jumper
Wire for
Flooded
Battery
{
12 V
BATTERY STATUSTEMP. SENSORCHARGING STATUS
!
See Operator’s
Manual
Nominal Rating
12 Volts dc
Max. Input 30 V
Solar 20.0 A
Battery 20.0 A
Load 20.0 A
Max. Ambient 65 ºC
indoor use only
Use 75 ºC Copper
Conductors Only
CONFORMS TO ISA 12.12.01
CERTIFIED TO CAN/CSA STD
C22.2 NO.213-1992
Class I, Division 2
Groups A,B,C,D
Hazardous Loc.
Temp. Code: T5
RoHS
MORNINGSTAR
S S
20L
UN AVER-
SOL AR CO NTROLL ER SS -20L- 12V
SunSaver Models Included in this Manual:
• SS-6-12V / SS-6L-12V
• SS-10-12V
• SS-10L-12V / SS-10L-24V
• SS-20L-12V / SS-20L-24V

Morningstar SUNSAVER SS-20L-12V Specifications

General

Type	PWM
Rated Current	20A
Nominal System Voltage	12V
Maximum Input Voltage	30V
Load Current	20A
Operating Temperature Range	-40°C to +60°C
Protections	Overload, Short Circuit, Reverse Polarity

Summary

Important Safety Instructions

Installation Safety Precautions

Safety guidelines for installing the SunSaver controller, focusing on potential hazards.

Installation Instructions

General Installation Notes

Important notes and precautions before starting the installation process.

Mounting

Guidelines for mounting the SunSaver controller, including location and cooling.

Wiring

Instructions for wiring the SunSaver controller, covering load and battery connections.

Operation

LED Indications

Battery Charging Information

Load Control Information

Protections

Overview of various protections like solar overload, load overload, and short circuits.

Troubleshooting

Error Indications

Explains Status LED and Battery Status LED error indications.

Common Problems

Addresses common issues like no LED indications or no battery charging.

Technical Specifications

Electrical

Battery Charging

Battery Set-points (@ 25°C)