Quick Start Guide
14
Specifications:
Battery Type Selection:
System Voltage
Maximum Voltage
Rated Solar Input
Rated Load
© 2023 Morningstar Corporation. All Rights Reserved. MS-004021 Rev 1
In the Box:
Tools Required:
— 3/16" (5 mm) Flathead Screwdriver
— #2 Phillips Screwdriver
— Multimeter
Important Safety Information:
Scan QR Code to go
directly to the
SunLight Operator’s
Manual and warranty
information online.
Contact Information:
Technical Support: morningstarcorp.com/support
Phone: 1-215-321-4457
OR
Warranty Registration:
https://www.morningstarcorp.com/product-registration/
Battery Select
Jumper INSERTED
Battery Select
Jumper
REMOVED
SOLAR LIGHTING CONTROLLER
SL-10L-12V
10 A
10 A
SS-20L-12V
20 A
20 A
30 V 50 V
12 V 24 V12 V 24 V
30 V 50 V
For Sealed Batteries:
For Flooded Batteries:
IMPORTANT:
The SunLight charging algorithm is compatible with lead-acid or NiCd batteries. NiMH, Li-ion,
and other battery chemistries are not compatible with the SunLight charging algorithm.
SL-10L-12V
SL-20L-12V
SL-10L-24V
SL-20L-24V
SUNLIGHT Models:
SunLight-10
Solar Lighting Controller
SunLight-20
Solar Lighting Controller
SunLight-10
Solar Lighting Controller
SunLight-20
Solar Lighting Controller
SL-10L-24V SS-20L-24V
Temperature Compensation -27 mV/°C -54 mV/°C -27 mV/°C -54 mV/°C
Regulation Voltage: Sealed PWM 14.1 28.2 14.1 28.2
Regulation Voltage: Flooded PWM 14.4 28.8 14.4 28.8
Low-Voltage Disconnect (LVD) 11.7 V 23.4 V11.7 V 23.4 V
Low-Voltage Reconnect (LVR) 12.8 V 25.6 V12.8 V 25.6 V
Self-consumption 8 mA 9 mA8 mA 9 mA
Ambient Temperature Range -40 to 60°C
25% Current Overload 5 minutes N/A5 minutes N/A
OFF
2 hours ON
4 Hours ON
6 Hours ON
8 Hours ON
3 / OFF / 1
4 / OFF / 2
6 / OFF / 2
Sunset
Sunrise
Night
Dusk-to-Dawn
10 Hours ON
LIGHTING CONTROL
D/D
6/2
4/2
3/1
10
8
6
4
2
OFF
Turn the dial to the
desired setting. This
illustration shows the
dial set to OFF.
Lighting Control Options:
See the SunLight Operator’s Manual for detailed
information on lighting control settings.
WARNING: Shock Hazard
The SunLight solar lighting controller must
be installed by a qualified technician in
accordance with the electrical regulations
of the country of installation.
IMPORTANT: READ the SunLight
Operator’s Manual for safety and
regulatory information, instructions on
configuration and operation, and
warranty information.
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