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INSTALLATIONS
Exhaust system
INSTALLATION dIAGRAM FOR MOdEL FG dUCT FANS
1. When installing, keep the number of elbows and bends to a minimum. If necessary, long radius elbows or bends are
recommended.
2. Duct sealant, caulk, or tape should be applied to all seams to prevent air leakage and maximize air performance.
3. Flex, spiral, or snap lock ducting may be used. If using rigid duct, Fantech FC clamps are recommended to connect duct work to
the fan (see illustration 2).
FC clamps make an air tight seal at the connection points and reduce vibrations transmitted throughout the duct system.
4. To minimize static pressure losses and promote adequate airflow, minimize duct run lengths where possible. If using flex duct,
keep duct runs straight and taut.
5. If installing in an unconditioned space, covering the fan with insulation is recommended to prevent condensation from forming.
6. For general ventilation applications, at least 8 ft of insulated flexible duct shall be installed between the exhaust or supply grille(s)
and the fan.
Illustration 1
Fan bracket
should be
installed, then
fan mounted
directly to
bracket using
sheet metal
Models
screws.
• 6M EC
• 8 EC
Illustration 2
Clamp Fastener
Fans may be sus-
pended without
special mounting
brackets.
Vibration absorbing material
fantech
Ceiling exhaust system
• 10 EC
Duct Fan
Screws
Spiral duct
Horizontal installation
Mount bracket
to fan first!
Models
• 12 EC
• 12XL EC
Mounting Bracket & Screw Locations for FG
Models
• 6M EC
• 8 EC
• 10 EC
Exhaust system
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