Quick Start Guide
1
4
Specifications:
Battery Type Selection:
SS
‐
6/6L
Nominal
System
Voltage
12
V
Battery
Voltage
Range
6
V
to
15
V
Maximum
Solar
Input
Voltage
30
V
Maximum
Solar
Current
6.5
A
Maximum
Load
Current
6
A
©
2021
Morningstar
Corporation.
All
Rights
Reserved.
MP
‐
003293
SS
‐
PWM
(Gen3)
QSG
(3/4/2021)
Rev
C01
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
Important Safety Information:
WARNING: Shock Hazard
The
SunSaver
solar
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
Installation
Manual
for
safety
and
regulatory
information,
instructions
on
configuration
and
operation,
and
warranty
information.
Scan QR Code to go
directly to the
SunSaver Installation
Manual and warranty
information online.
Contact Information:
Technical
Support:
Support.morningstarcorp.com
Phone:
1
‐
215
‐
321
‐
4457
SunSaver
Solar
Charge
Controller
Warranty
Registration:
https://www.morningstarcorp.com/product
‐
registration/
Battery
Select
Jumper
INSERTED
Battery
Select
Jumper
REMOVED
SOLAR CONTROLLER
SS
‐
10/10L
6
V
to
15
V
10
A
10
A
SS
‐
20L
20
A
20
A
BATTERY SET POINTS
Set Point
Absorption
Voltage
Float
Voltage
Time
until
Float
Equalize
Voltage
12-volt
14.1
V
13.7
V
3
hours
N/A
Equalize
Duration
(hours)
Equalize
Calendar
(days)
Maximum
Regulation
Voltage*
N/A
N/A
Low
Voltage
Disconnect
(LVD)
Low
Voltage
Reconnect
(LVR)
High
Voltage
Disconnect
(HVD)
High
Voltage
Reconnect
(HVR)
Startup
LVD
Instant
LVD
24-volt
29.2
V
27.4
V
29.8
V
*
Not
temperature
compensated.
15
V
@
12
V
nominal,
30
V
@
24
V
nominal.
12-volt
14.6
V
13.7
V
14.9
V
3
hours
28
days
24-volt
28.2
V
27.4
V
15.0
V
30.0
V
15.0
V
30.0
V
Absorption
Duration
3
hours
Sealed
Flooded
11.5
V
23.0
V
11.5
V
23.0
V
12.6
V
25.2
V
12.6
V
25.2
V
14
V
28
V
14
V
28
V
11.7
V
23.4
V
11.7
V
23.4
V
10.0
V
20.0
V
10.0
V
20.0
V
15.3
V
30.6V
15.3
V
30.6
V
30
V
60
V
12
V
24
V
12
V
24
V
30
V
60
V
6
V
to
30
V 6
V
to
15
V 6
V
to
30
V
For Sealed Batteries:
For Flooded Batteries:
IMPORTANT:
Pulse
Width
Modulation
(PWM)
Charging
versus
Slow
Switching
Charging
See
the
SunSaver
Installation
Manual
for
directions
for
changing
the
regulation
from
Pulse
Width
Modulation
(PWM)
charging
to
Slow
Switching
charging.
Slow
Switching
regulation
limits
the
switching
frequency
to
10
hz.
(maximum),
which
can
eliminate
noise
issues
in
some
systems.
PWM
charging
is
selected
by
default.
To Install the Terminal Cover
(required
by
UL/ETL
listed
systems)
:
1. Remove
the
two
lower
screws
from
the
faceplate.
2. Align
the
Terminal
Cover
over
the
holes.
3. Insert
the
screws
removed
in
Step
1
and
hand
‐
tighten
using
care
not
to
over
‐
tighten.
IMPORTANT:
The
SunSaver
charging
algorithm
is
compatible
with
lead
‐
acid
or
NiCd
batteries.
NiMH,
Li
‐
ion,
and
other
battery
chemistries
are
not
compatible
with
the
SunSaver
charging
algorithm.
Terminal
Cover
SS
‐
6
SS
‐
6L*
SS
‐
10
SS
‐
10L*
SS
‐
20L*
SunSaver Models:
*Automatic Load Control:
Load
Control
automatically
disconnects
and reconnects system loads based upon
the Low Voltage Disconnect (LVD) and
Low Voltage Reconnect (LVR) voltage
thresholds.
The LVD and LVR thresholds are listed on
Page 4 of this Quick Start Guide.
This
feature
is
exclusive
to
models
SS
‐
6L,
SS
‐
10L,
and
SS
‐
20L
only.
