Cascade Series Install Manual
page 3 of 16
SAFETY CONSIDERATIONS
• 
• 
Never 
Never 
operate this fan without a window or door opened.
operate this fan without a window or door opened.
• 
• 
This fan is meant for general ventilation. 
This fan is meant for general ventilation. 
It has NOT been designed to ventilate particle laden and/or 
It has NOT been designed to ventilate particle laden and/or 
explosive mixtures of air and must NOT be used for such.
explosive mixtures of air and must NOT be used for such.
• 
• 
This fan is NOT for use in kitchens
This fan is NOT for use in kitchens
• 
• 
Before installing or servicing this fan, switch power o  at the home’s electrical panel to reduce the risk 
Before installing or servicing this fan, switch power o  at the home’s electrical panel to reduce the risk 
of damaging circuit boards,  re, electrical shock, or injury.
of damaging circuit boards,  re, electrical shock, or injury.
• 
• 
Install this fan in accordance with this manual and all local codes and standards.
Install this fan in accordance with this manual and all local codes and standards.
Some of the principles of safe  installation  and  operation of this product  are  not  immediately  obvious. 
Some of the principles of safe installation and operation of this product are not immediately obvious. 
Read the following safety information before continuing further:
Read the following safety information before continuing further:
Thank you for purchasing a Cascade 
®
 ducted Whole House Fan. This fan has been designed to provide many years 
of natural, quiet, and energy-e cient cooling.
Please take a few minutes to read over this manual and its accompanying documents to make sure you are
prepared to install the Whole House Fan system. In particular: 
• 
• 
The  homeowner/resident  should  read  the  WHERE  TO  LOCATE  section  so  that  the  fan  will  be  correctly  lo-
The homeowner/resident should read the WHERE TO LOCATE section so that the fan will be correctly lo-
cated to maximize its e ectiveness and e  ciency.
cated to maximize its e ectiveness and e ciency.
• 
• 
The  VENTILATION  REQUIREMENTS  section  is  also  particularly  important,  as  it  describes  the  minimum  attic 
The VENTILATION REQUIREMENTS section is also particularly important, as it describes the minimum attic 
ventilation neccessary to operate the fan.
ventilation neccessary to operate the fan.
• 
• 
The  INSTALLATION:  GRAVITY  DAMPER  section  contains  important  information  regarding  the  constraints 
The INSTALLATION: GRAVITY DAMPER section contains important information regarding the constraints 
within which this fan’s gravity damper must be installed.
within which this fan’s gravity damper must be installed.
The  Eggcrate  Inlet  Grille  and  Gravity  Damper  Assemblies  come  in  di erent  size  openings.  Verify  which 
The Eggcrate Inlet Grille and Gravity Damper Assemblies come in di erent size openings. Verify which 
gravity 
gravity 
damper  component  design  is  part  of  your  Whole  House  Fan  Assembly  by  actual  measurement  of  the  gravity 
damper component design is part of your Whole House Fan Assembly by actual measurement of the gravity 
damper opening section before beginning installation of gravity damper section.
damper opening section before beginning installation of gravity damper section.
Before installing this fan, inspect it and all of its parts for any damage it may have sustained during shipping. 
Before installing this fan, inspect it and all of its parts for any damage it may have sustained during shipping. 
DO NOT 
DO NOT 
INSTALL DAMAGED EQUIPMENT.
INSTALL DAMAGED EQUIPMENT.
 If you suspect this fan has been damaged during shipping, contact your reseller.
 If you suspect this fan has been damaged during shipping, contact your reseller.
Whole  House  Fans  are  designed  to  be  installed  within  a  home’s  attic,  which  makes  them  and  their  sub-
Whole House Fans are designed to be installed within a home’s attic, which makes them and their sub-
components  di  cult  to  access once  installed. 
components di  cult to access once installed. 
TEST THIS  FAN OUTSIDE    OF   THE    ATTIC    BEFORE  INSTALLING  IT 
TEST THIS FAN OUTSIDE OF THE ATTIC BEFORE INSTALLING IT 
PERMANENTLY.
PERMANENTLY.
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