Morningstar SunSaver MPPT Quick Start Manual

Specifications:

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
Rated Load Current 15 A

Operational Configuration:

DIP
Switches
Bottom

Switch 1: Battery Type

Top
1
Battery Select Jumper
Sealed Gel
INSERTED
DIP
Switches
OFF ON
Battery Select Jumper
REMOVED
1
Flooded AGM
DIP
Switches
OFF ON
1
Set points for this switch setting can be modified with custom programming.
Contact Information:
Technical Support: Support.morningstarcorp.com
Phone: 1‐ 215‐321‐4457
4

BATTERY SET POINTS

12-volt (24-volt)
Set Point GEL Sealed AGM
14.0 V 14.1 V 14.3 V
Absorption Voltage
(28.0 V) (28.2 V) (28.6 V)
13.7 V 13.7 V 13.7 V
Float Voltage
(27.4 V) (27.4 V) (27.4 V)
Time until Float 3 hours 3 hours 3 hours
Equalize Voltage N/A N/A 14.5 V
Equalize Duration N/A N/A 3 hours
Equalize Calendar (days) N/A N/A
Maximum Regulation Voltage* 15 V (30 V)
LVD**/ LVR** (Switch 2 OFF) 11.5 V /12.6 V @ 12 V (23.0 V/25.2 V @ 24 V)
LVD**/LVR** (Switch 2 ON) 11.0 V/12.1 V @ 12 V (22.0 V/24.2 V @ 24 V)
Load HVD** 15.3 V (30.6 V)
Load HVR** 14.5 V (29 V)
Array HVD (Temp. Comp.) Highest voltage set point + 0.5 V
Array HVR (Temp. Comp.) 13.8 V (27.6 V)
*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.
1
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.
Switch 2: Load Control /
Low Voltage Disconnect/Reconnect
OFF
LVD = 11.0 V
LVD = 11.5 V
LVR = 12.1 V
LVR = 12.6 V
2
These values can be modified
with custom programming.

Switch 3: Auto-Equalization

OFF ON
Auto‐Equalize OFF Auto‐Equalize ON
(AGM, Flooded Battery Types only)
Switch 4: Communication Mode -
Meter/MODBUS®
OFF ON
Remote Meter, & MODBUS® Protocol for
Relay Driver MSView, Ethernet Meterbus
Converter, 3
© 2021 Morningstar Corporation. All Rights Reserved.
Flooded
14.4 V
(28.8 V)
13.7 V
(27.4)
3 hours
14.9 V
3 hours
28 28
Scan QR Code to go
directly to the
SunSaver MPPT
Installation Manual
and warranty
information online.
Warranty Registration: https://www.morningstarcorp.com/product‐registration/

In the Box:

2
ON
SunSaver MPPT
Charge Controller

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
rd
‐Party Devices
MS‐003294 SS‐MPPT QSG (3/16/2021) Rev C03
Quick Start Guide

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
warranty information.

Optional Accessories:

Mounting
Screws (x4)
Remote Temperature
Sensor (RTS)
Remote Meter (RM‐1)
PC MeterBus Adapter
(MSC)
Relay Driver (RD‐1)
Ethernet MeterBus
Converter (EMC‐1)
USB Communications Adapter
(UMC‐1)
1