Greenheck SFD, SFB, SWB and SWD (455308) - Manual (Page 7)

Centrifugal Utility Fans 7
®
Equipment Support Anchoring
One fastener per isolator anchoring.
Four isolators required.
Mounting for Severe Duty Installation
Isolator Anchoring
Two fasteners per equipment support.
Three supports required for model sizes 20 and larger.
Isolator Anchoring
18 Ga. Galvanized G90
with Wood Nailer
Three Supports Required
for Sizes 20 and larger
Equipment Support Anchoring
Min. 5 inch
(127 mm)
5/16 inch (8 mm) Self-D rilling Screw
Min. 1/2 inch (13 mm) of Threads Through
Roof Truss
1/8 inch (3 mm) Thick
or 12 Gauge Min.
Steel
Deck Anchoring
Concrete
Deck Anchoring
2000 Min. PSI
Concrete
Timber Anchoring
7/16 inch (11 mm) Lag Bolt
Min. 3-1/4 inch (83 mm) Thread Engagement
Wood Timber
Min. 4 inch (102 mm)
Min. G = 0.42
1/2 inch (13 mm) - 13 Bolt
(Four Locations) 1/2 inch (13 mm) - 13 Bolt
(Four Locations)
5/8 inch (16 mm) Lag Screw
Min. 1-1/2 inch (38 mm) Thread Engagement
(Two per Equipment Support) 5/8 inch (16 mm) Lag Screw
Min. 1-1/2 inch (38 mm) Thread Engagement
(Two per Equipment Support)
3/8 inch (10 mm) S.S. Hilti Kwik Bolt
Three Expansion Anchors
Min. 2-1/2 inch (64 mm) Engagement 3/8 inch (10 mm) S.S. Hilti Kwik Bolt
Three Expansion Anchors
Min. 2-1/2 inch (64 mm) Engagement