Installation and
Operation Guide
Table of Contents
1. What is included in this package
2. Tools required
3. Installation instructions
4. Solar Controller settings and operation
Tools Required
- Philips Screwdriver
™
Tel: 877-50-USSUN
www.ussunlight.com
support@ussunlight.com
A B
Pre-Install Check
What is Included in the Box
A Remote Holster
B Solar Controller Remote
C 2 - AAA Batteries
D 2 - Mounting Screws
Please read the instructions before proceeding with installation. The Controller Remote will only work with the Controller
Module. If your Solar Attic Fan and Controller Module have already been installed, please make sure they are both working properly before installing the Controller Remote.
Remote Diagram
Attic Temperature Attic humidity
House Power
Solar Power
Channel Switch
Fan Mode
Thermo Switch
Status
Setting the Remote after the Controller Module
1. The Controller Box has 2 slide switches, the one on the left is for selecting the Radio
Frequency (RF) channel and the one on the right is for selecting the temperature
readout in Celsius (°C) or Fahrenheit (°F). Align the RF channel (choice of 1, 2 and 3)
of the Remote with the Controller Module. Both of them must be on the same channel
in order to send and receive signals. Select the desired temperature readout.
(fig 1a & 1b)
2. Remove the back panel of the Remote. Insert 2 AAA batteries (included) in the battery
compartment. Replace the back panel of the battery compartment.
3. Test the Remote by pressing the Status button once. This will establish the connection
between the Controller Module and Remote. You will hear a “beep” every time the Status
button is pressed. This verifies the Remote and Controller Module RF signals are aligned.
If there is not a beep, check that the RF channel selector is set to the same channel. If
there is still no beep, move both devices to an alternative channel and retry.
Battery Compartment
Thermo Switch
fig. 1a
fig. 1b
Installing Solar Controller
If your Solar Controller came bundled with an attic fan, install the fan first following the instructions included for that model
of fan. When the installation of the fan is complete, install Solar Controller. Note that Solar Controller is designed to work
with U.S. Sunlight Solar Attic ventilation products. The Controller Remote will only work as an accessory to the Controller
Module, refer to model SC5-M for this component. DO NOT ATTEMPT to connect Solar Controller to other solar fans.
Copyright 2012 U.S. Sunlight Corp, Inc. SC5-R C01 ver 1
Solar Controller Remote
The Remote has one Status button on the front below the LCD display, and a
Thermo Switch selector on the back.
Front of the Remote - Channel Setting
There are 3 available RF channels. Select the same RF channel for the
Controller Module and Remote. The RF channel ID must match the Controller
Module and Remote in order to have information available.
Front of the Remote - Status Button
When the Status button is pressed, a beep will sound from the Controller
Module to signify a proper connection between the Controller Module and
Remote. The Remote’s LCD display will show the following information:
• Attic Temperature
• Attic Relative Humidity
• Fan Mode - ON, OFF, INTERMITTENT or FAILURE
• House Power - ON
• Solar Power - ON
The status will be displayed for approximately 20 seconds. Press the Status button again to refresh the information
after 20 seconds. Note that it is important to make sure the RF channel is the same between the Controller Module and
Remote. If there is no beep sound after pressing the Status button, no connection has been made with the Controller
Module and the LCD display will go blank.
Check the following if there is no display on the Remote after pressing the Status button:
• Batteries have been installed. Replace if necessary
• RF channel is properly aligned between the Controller Module and Remote
• Solar Controller wire connections are correct
• AC Power Adapter is connected to the Solar Controller for after dark operation
• If the problem persists, contact U.S. Sunlight Customer Service at 1-877-50-USSUN
Back of the Remote - Thermo Switch selector (ON or OFF)
The Thermo Switch allows the user to engage or disengage the temperature control. U.S. Sunlight recommends the
Thermo Switch be set to ON in warm climates and to OFF in cold climates where sustained below freezing temperatures
may occur.
When Thermo Switch is set to:
• ON mode - Fan will only be turned on when attic temperature reaches 80°F and power is available. Once on, fan
will stop when temperature drops below 77°F
• OFF mode - Fan will be turned on when power is available, regardless
of attic temperature
After making a change to the Thermo Switch on the Remote,
1. Click the Status button to send the command to the Solar Controller
2. Wait 5 seconds for the Solar Controller to change the fan operation
3. Click the Status button again to read the current fan operation status
Humidity Control - ALWAYS ENABLED
The relative humidity sensor is always enabled (the user cannot disable
the sensor). The fan will be turned on when attic relative humidity reaches
75%, regardless of attic temperature. The fan will turn off when relative
attic humidity drops to 65%.
Power Source
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:
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.
Summary:
Primary Power Source
Daytime - with sufficient solar power Solar power Solar power
Evening after sunset No power available Intermittent house electricity for 6 hours
Note that the primary power source is always SOLAR. If solar power is not available during the daytime, the primary
power source will switch to house electricity (if the Controller Box is connected to house electricity) for up to 6 hours or
until solar power becomes available.
Refer to this summary to interpret the LCD display and the fan’s operating status:
LCD Display
House
Power
(Blank) ON ON
Solar Fan with Solar Controller
WITHOUT AC Adapter connected
Solar
Power
Fan Operation Summary
Solar Fan with Solar Controller
WITH AC Adapter connected
• Solar power is available
• Fan is running
(Blank) ON OFF
ON (Blank) ON-Intermittent
• Solar power is available
• Fan is not running
• Attic Temperature is <80°F
• Thermo Switch could be ON
• To run fan, switch Thermo Switch to
OFF then press the Status button twice
• Solar power is not available
• Fan is powered by house electricity
• Fan is running intermittently, currently
in the 8-min ON mode of the 6-hour
cycle
LCD Display
House
Power
ON (Blank) Intermittent
ON (Blank) OFF
(Blank) ON Failure
Solar
Power
Fan Operation Summary
• Solar power is not available
• Fan is powered by house electricity
• Fan is running intermittently, currently
in the 22-min OFF mode of the 6-hour
cycle
• Solar power is not available
• Fan is powered by house electricity
• Fan is in the 12-hour OFF mode
• Fan will restart when solar power
becomes available, or at the end of
the 12-hour OFF mode
• House electricity is available
• Fan is not running
• Possible problems
- Loose wiring
- Motor Failure
- Solar Controller Failure
• Solar power is available
• Fan is not running
ON (Blank) Failure
• Possible problems
- Loose wiring
- Motor Failure
- Solar Controller Failure
Multiple Fan Setup - 3 or less fans
Assign one of the three available channels to each of the Solar Controllers. A beep sound will come from the Controller
Module that is communicating with the Remote. The user can use the same Remote to control all 3 fans by selecting the
correct RF channel. Do not assign the same RF channel to 2 or more Solar Controllers.
4 or more fans
Consult with U.S. Sunlight Customer Service by calling 1-877-50-USSUN.
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.
WARRANTY
Manufacturer’s Limited Warranty
U. S. Sunlight Corp. (“Manufacturer”) warrants that certain of its product components are free from defects of workmanship and/or materials
for a period of time commencing on the date of original purchase and continuing as noted hereafter: (a) Solar Controller unit for a period of
one (1) year (b) Solar Controller remote for a period of one (1) year.
Disclaimer
Except as expressly set forth herein, all Manufacturer’s products, including components thereof, are sold “AS IS” without warranty of
merchantability, tness for intended purpose, or other warranty, express or implied. In no event shall Manufacturer be liable for the loss of
prots, indirect, special, incidental, consequential or other similar damages, including but not limited to any claim or demand arising out of the
installation, furnishing, or functioning of a product or use by purchaser or any third party. The warranty terms and conditions detailed above
do not extend to misuse, neglect, abuse, alteration, exposure to extreme weather conditions, lightning strikes, physical damage to any
product, or damages caused by transportation or installation of any product. Manufacturer explicitly does not warrant any labor, shipping, or
service fees incurred by purchaser for the replacement, repair, or exchange of any product or product components claimed under the above
warranty terms and conditions.
Warranty Claims
Warranty claims shall be submitted in writing to Manufacturer at its principal place of business. Claims shall include a copy of the original
purchase invoice, purchaser’s name, address, telephone number, and e-mail address, and such other particulars as are necessary to
describe the claimed defect. If requested by Manufacturer, purchaser shall ship the claimed defective component(s) to Manufacturer’s
principal place of business, FOB destination, freight prepaid, for evaluation. As to any product component determined by Manufacturer to
contain a defect covered by its warranty, Manufacturer reserves the right, at its discretion, to repair or replace the defective component, or
rebate a portion of the purchase price prorated based on the balance of the warranty term.
General
This limited warranty contains all of the terms and conditions of Manufacturer’s warranty of the purchased product and its components. No
representation, arrangement, or agreement not appearing herein shall be binding on Manufacturer. This limited warranty is issued in and shall
be governed by the laws of the State of California.
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