A
B
E
D
G
F
C
Legend
A.
Distance from the ceiling
B.
Distance of fan from tip to tip
C.
Distance from the floor
D.
Distance from fan blades to outer walls
E.
Distance from obstructions
F.
Proximity of fan tip to roof with pitch
G.
Heat Source
Guidelines
Recommended GFY
Fan Clearances
A.
Clearance from solid roof surfaces or solid trusses:
i.
8, 10, 12 & 14ft fans = 4ft
ii.
16, 18, 20, 22 & 24ft fans = 5ft
Open trusses do not need to be considered for air
flow restriction.
B.
Diameter of fan from tip to tip.
C.
Fan diameter. Blades must be a minimum of 10' from the deck.
D.
Should be equal to the diameter of the fan.
E.
Should have at least 18" of clearance from obstructions.
F.
Should not be less than 2 feet with any fan diameter.
G.
The best practice is to keep blade tips 20ft from any heat source or exhaust fan whenever possible.
H.
Per NFPA fans must be centered between (4) sprinkler heads if the location is equipped with sprinklers.
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9
Z-TECH™
FAN
Installation and Technical Operations
®
GO FAN YOURSELF
