Installation; Installing Rm Whf-4.0 - QuietCool RM WHF-4.0 Owner's Manual

2. INSTALLATION

2.1 INSTALLING THE RM WHF-4.0
1. Determine in which area you would like to install your QuietCool Roof Mount Fan (see diagrams below)
RM WHF-4.0-DB Installed
24" on center
RM WHF-4.0-DG2 Installed
16" or 24" on center
16" or 24" on center
IMPORTANT: After choosing the location where your roof mount fan will be installed, find the
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closest rafter to that location and determine if your roof has either 16" on center or 24" on center
rafter spacing. The above diagrams show what rafter spacing and roof joist spacing is required for
each installation type.
IMPORTANT: If you are installing the RM WHF-4.0-PL, skip to section 2.5 on pg. 9.
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IMPORTANT: Before installing the RM WHF-4.0-DB, you will need to find the exact location for your
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damper box and grille to ensure the duct will fit between the fan location and the damper box
location. Locate the ceiling studs and mark the location for the box to be installed. Minimum of 36"
clearance required. Make sure the duct will fit between the fan location and the damper box
location. The duct is 9' long.
QUIETCOOLSYSTEMS.COM
RM WHF Installation Diagrams
16" or 24" on center
Installation Video:
Watch the video by scanning the QR
code or visit
www.QuietCoolSystems.com/support
RM WHF-4.0-DG1 Installed
16" or 24" on center
24" on center
RM WHF-4.0-PL Installed
24" on center
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