Figure 31: Welding of Hold Down Brackets—Unit Base, Cross-Sectional View
.25
Weld
.50"
zone
Figure 32: Shim Spacers on Hold Down Brackets
Shim
spacer
IM 926-3 • ROOFPAK APPLIED SYSTEMS
Acceptable weld zone
It may be necessary for
the contractor to field
fabricate spacers or new
seismic hold-downs for
rooftop units having larger
overhang dimensions.
Unit power wiring
(by factory)
Unit base
Field attachment
weld
High temp
Insulation
Seismic hold down bracket
Unit power wiring
(by factory)
Unit base
Seismic hold
down bracket
22
Mechanical Installation
Unit control wiring
(by factory)
Unit control wiring
(by factory)
Roof curb
www.DaikinApplied.com
Roof curb