Page 2 - WHERE TO LOCATE; STEP 1: SELECT THE INSTALLATION SITE; area at the top of the stairs produces the most uniform airflow.
WHERE TO LOCATE Whole House Fans are designed to pull in fresh, cool air from the outside through open windows in your home. Hot air that is in the home is pulled up through the fan and into the attic, and then exhausted through vents in the roof, under eaves, soffits or gables. STEP 1: SELECT THE I...
Page 3 - INSTALLATION
1. **Warning: Cut out drywall to the dimensions of the Grille and not to the dimensions of the metal damper box. INSTALLATION From inside the attic at your predetermined location drill two holes at the edge of the joist approximately 12 inches apart. From inside the home use the two newly drilled ho...
Page 4 - MOUNTING FAN; Mount Chain to Attic Framing:; • Secure the chain with the spring-; Secure the Fan to the Chain:; • Mount the fan through one of
MOUNTING FAN Mount Chain to Attic Framing: • Secure the chain with the spring- snap clamp to the attic framing using the supplied 1/4” lag screw and flat washer. Secure the Fan to the Chain: • Mount the fan through one of the holes in the fan housing using the supplied spring-snap clamp. Note: In or...
Page 5 - INSTALLING DAMPER BOX; • Place the damper box on top
INSTALLING DAMPER BOX Attach the supplied brackets to the joist as shown in the picture using the 1 ½” hex screws.. • Place the damper box on top of the brackets as shown in the picture and screw one side of the damper box to the joist. The brackets will support the weight of the damper box. 3. 5
Page 6 - ATTACHING DUCT; • Place the end of the duct
ATTACHING DUCT • Place the end of the duct collar with the three (3) brackets over the fan shroud and secure with the ¼” lock nuts provided. 4. 6 ***IMPORTANT*** DO NOT stretch ducting tight from end to end. ALWAYS leave some slack, otherwise the tape will pull away from the metal collar.
Page 8 - INSTALLING GRILLE; • Install the grille over the opening.; REMOTE CONTROL OPERATION
INSTALLING GRILLE • Install the grille over the opening. REMOTE CONTROL OPERATION • Plug the electrical cord from the fan into the control box. Plug the electrical cord from the Damper Box in to the control box (Cold Climate Damper Only). Plug the electrical cord from the control box to an electrica...
Page 9 - REQUIRED VENTING AREA; Louver
REQUIRED VENTING AREA For proper operation of your Comfort Cool whole house fan, it is CRITICAL that your attic has sufficient venting area; otherwise the hot air cannot easily escape and creates back-pressure that can substantially reduce the performance of your new whole house fan.The “net-free” a...