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:
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
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