U.S. Sunlight SC5-M Solar Controller Module - Manual (Page 3)

fig. 13
fig. 15 fig. 16 fig. 14
Installation with Use of Optional House Electricity
To utilize the house electricity option with Solar Controller, connect the Controller Module to an AC outlet with the includ-
ed AC Power Adapter. You may want to consult an electrician to decide on the best method for your situation. The AC
Power Adapter works on a standard 110V outlet.
DO NOT USE AN EXTENSION CORD FOR THIS CONNECTION.
1. Complete steps 1~10 in the standard installation.
2. Temporarily disconnect wiring to the solar connectors at the Controller Module.
3. The AC Power Adapter comes with 4.5 ft. of cord. Verify the power source (outlet) is located
within that distance. (fig 13)
4. Connect the AC Power Adapter to the House Power/DC 12V port on the Controller Module as
shown. (fig 14)
5. Plug the AC Power Adapter into the power source (outlet). (fig 15) The Controller Module
will display attic temperature and relative humidity in a few seconds.
6. If necessary, use 1/4” or 1/2” coaxial staples to secure the wire to the rafter. (fig 16)
7. Reconnect the wiring in step 2 to the solar connectors at the Controller Module.
Solar Controller will now utilize the solar panel and house electricity to optimize fan operation.
Primary Power Source
Solar Fan with Solar Controller
WITHOUT AC Adapter connected
Solar Fan with Solar Controller
WITH AC Adapter connected
Daytime - with sufficient solar power Solar power Solar power
Evening after sunset No power available Intermittent house electricity for 6 hours
1. Whenever available, solar power is the default power source. On a typical day with proper sunlight, the fan will
operate until sunset.
2. If solar power is not available, the fan will not operate unless the Solar Controller is installed with the AC Power
Adapter connected to house electricity. The fan will continue operation in the following pre-set mode for 6 hours:
1. Provides convenient readout of fan status, attic temperature and attic humidity.
2. Remotely manage fan’s operating logic by engaging or disengaging the thermal switch.
3. One remote can monitor up to 3 fans.
i. ON for 8 minutes and OFF for 22 minutes in a 30-minute period. This is the most effective air circulation
frequency to keep the attic temperature close to the outside temperature
ii. The fan will run for a maximum of 6 hours on intermittent house electricity.
iii. The fan will run on solar power whenever solar power becomes available again.
iv. After 6 hours of running on intermittent house electricity, the fan will be turned off for up to 12 hours, then
turned back on, assuming solar power is not available during this period of time.
Power Source
Addition of the Solar Controller Remote
Additional Information
Please visit our website at www.ussunlight.com for additional product information and FAQs. Or
call 1-877-50-USSUN and one of our Customer Service Representatives will be able to help you.