OPERATION INSTRUCTIONS FOR THE FLUSH FIT
REGISTER BOOSTER MODEL: HC500

READ AND SAVE THESE INSTRUCTIONS
IMPORTANT NOTICE

With the use of any electrical appliance, it is important to observe all basic precautions to minimize the risk associated with use, such as electrical shock, fire, or injury to persons. Read these instructions before using your Flush Fit™ Register Booster™.

NEVER EXPOSE YOUR REGISTER BOOSTER TO TEMPERATURES OVER 140°F (60°C)

INSTALLATION

FLOOR REGISTER 4” X 10”

1. Plug the small molded end of the power cord into the top of the Flush Fit™ Register Booster™.
2. Plug the wall transformer end of the power cord into a 120 Volt AC outlet.
3. Follow directions for operation settings before placing in register.
4. Remove floor register and replace with the Flush Fit™ Register Booster™.

WALL REGISTER 4” X 10”

1. Drill (two) holes with a 3/16” drill bit from the bottom side of the Flush Fit™ Register Booster™ grille. The holes should be drilled in the pre-molded location as pictured below.
2. Plug the small molded end of the power cord into the top of the Flush Fit™ Register Booster™.
3. Plug the wall transformer end of the power cord into a 120 Volt AC outlet.
4. Follow directions for operation settings before placing in register.
5. Remove the wall register and replace with the Flush Fit™ Register Booster™.
6. Secure the Flush Fit™ Register Booster™ in place.

FLOOR & WALL REGISTER 4” X 12”, 6” X 10” & 6” X 12”

Adapter plate sold separately.

CLEANING AND MAINTENANCE

Before cleaning the Flush Fit™ Register Booster™ disconnect the power cord from the outlet. Dust may be removed from the exterior surfaces using a soft cloth, the round brush attachment of your vacuum cleaner, or a cloth that has been lightly moistened with water and a mild, non-abrasive detergent. Dust accumulation in the interior of the unit may be removed by using the small round brush attachment of your vacuum cleaner. Accumulation of dust in the interior will be minimized by regular replacement of your furnace filter as recommended by the manufacturer.

IMPORTANT WARNINGS

1. The Flush Fit™ Register Booster™ will be as warm as the air that is delivered from the register of your forced air furnace and/or cooling system. The maximum temperature for the register is 140° Fahrenheit or
60° Centigrade. Your Flush Fit™ Register Booster™ should never be exposed to higher temperatures or temperatures below freezing.
2. Do not in any way block the air grilles of the Flush Fit™ Register Booster™.
3. Unplug the Flush Fit™ Register Booster™ when not in use. Turn the unit off before unplugging.
4. Do not operate the Flush Fit™ Register Booster™ with a damaged plug or cord, if the unit malfunctions, becomes noisy when operating, has been dropped or otherwise damaged, or if the housing is damaged or broken. Discard or return the unit for inspection, replacement, or repair.
5. Do not run cord under carpeting. Do not cover cord with throw rugs, runners, or similar coverings. Do not route cord under furniture or appliances. Arrange cord away from traffic area and where it will not be tripped over.
6. The Flush Fit™ Register Booster™ should never be exposed to moisture. Do not use the unit in an open window, bathroom, or laundry area where it may come in contact with water.
7. The Flush Fit™ Register Booster™ is designed for indoor use only.
8. Place the Flush Fit™ Register Booster™ and the electrical cord where it will not be tripped over, and is out of the traffic pattern.
9. Never insert any object or allow any object to enter the Flush Fit™ Register Booster™ through the bottom or top grilles, as this may damage the unit or cause it to malfunction.
10. Do not use the Flush Fit™ Register Booster™ near flammables such as gasoline, paint, or natural gas.
11. The Flush Fit™ Register Booster™ is intended for use as described in the instructions only. Other use may cause fire, electrical shock, damage to the unit, or injury to persons and will void any warranty by the manufacturer.
12. If it is necessary to use an extension cord, use a minimum 18 gauge cord.
13. Pressure on the bottom or top grilles of the Flush Fit™ Register Booster™ may cause the fan impeller to contact these grilles and damage the unit.
14. Do not use strong detergents or flammable liquids to clean the Flush Fit™ Register Booster™.
15. The housing of your Flush Fit™ Register Booster™ is sealed at the factory. THERE ARE NO
SERVICEABLE PARTS INSIDE. Attempting to open the housing will expose you to dangerous electricity, may cause fire and will void any and all warranty.

HEAT-COOL SETTING LOGIC

This device is designed to turn on and off from temperature rise and fall.

If you want the Flush Fit™ Register Booster™ to turn on with warm air from your furnace set the mode to HEAT. If you want the Flush Fit™ Register Booster™ to turn on with the cool air from the A/C set the mode to COOL. In either mode the Flush Fit™ Register Booster™ will stop running when the temperature returns to the initial set point.

FOR HEATING

When the HEAT light is on the Flush Fit™ Register Booster™ will turn on as the temperature rises.

1. Perform operation settings with the Flush Fit™ Register Booster™ in the register and the forced air blower not running.
2. Remove the register and insert the Flush Fit™ Register Booster™ in the opening. Insert the small end of the transformer cord into the receptacle on the Flush Fit™ Register Booster™. Plug the transformer into your 110v outlet.
3. Press the mode button until the OFF light is lit.
4. Turn the rotary Set Point knob counterclockwise until it stops. DO NOT FORCE.
5. Press the mode button twice. The HEAT light will be lit and the fans will not be spinning.
6. Slowly turn the Set Point knob clockwise until the fans turn on.

7. Slowly turn the Set Point knob counterclockwise until the fans stop.
8. The Flush Fit™ Register Booster™ is now set to turn on when the warm air from the furnace reaches the register.

FOR COOLING

When the COOL light is on the Flush Fit™ Register Booster™ will turn on as the temperature drops.

1. Perform operation settings with the Flush Fit™ Register Booster™ in the register and the forced air blower not running.
2. Remove the register and insert the Flush Fit™ Register Booster™ in the opening. Insert the small end of the transformer cord into the receptacle on the Flush Fit™ Register Booster™. Plug the transformer into your 110v outlet.
3. Press the mode button until the OFF light is lit.
4. Turn the rotary Set Point knob clockwise until it stops. DO NOT FORCE.
5. Press the mode button three times. The COOL light will be lit and the fans will not be spinning.
6. Slowly turn the Set Point knob counterclockwise until the fans turn on.

7. Slowly turn the Set Point knob clockwise until the fans stop.
8. The Flush Fit™ Register Booster™ is now set to turn on when the cool air from the A/C reaches the register.

IMPORTANT NOTE

To shorten the length of time that your Flush Fit™ Register Booster™ continues to run after the forced air furnace or air conditioner has shut off, rotate the Set Point knob control slightly further, as in Step Seven.

The Flush Fit™ Register Booster’s™ memory will retain all settings automatically (speed, function, and temperature set point). The HC500 has 3 speeds.

ONE YEAR LIMITED WARRANTY

Subject to the following limitations, Suncourt Inc. (manufacturer) warrants that the Flush Fit™ Register Booster™ will, for 1 (one) year from date of original retail purchase, but not exceeding 2 (two) years from date of manufacture, remain free from appearance of defects in workmanship or materials. This warranty is subject to the following limitations: (a) manufacturer’s liability is limited to the replacement or repair of the unit, as decided by the manufacturer; (b) a defective unit must be returned, prepaid, with proof of purchase, well packaged to avoid damage in transit; and (c) this warranty does not apply to defects resulting from the alteration, abuse, accidental damage, unauthorized repair, or misuse of the unit. This warranty is given in lieu of all other warranties, guarantees, and conditions on manufacturer’s part, and the manufacturer shall have no tortious or other liability in respect to this Flush Fit™ Register Booster™. Ship unit to Suncourt Inc. only after obtaining a Return Goods Authorization (RGA) number. Returns without this RGA number will not be accepted. Actual product appearance may differ from illustrations. Suncourt reserves the right to modify any or all of its products' features, designs, components and specifications without notice.

SUNCOURT INC.
P.O. Box 40
Durant, IA 52747-0040
1.800.999.FANS (3267)
www.suncourt.com