Greenheck Fan Outdoor Air Ventilator - Manual (Page 7)

7
Rails located 6-12" in
from sides of unit.
Rails extend 6" from
end of filter section
Rails extends 6" from
discharge end of unit
Lifting Lugs (4)
Spreader Bar
2. Rail Mounting
For proper support, rails should be located
6-12" in from sides of unit and should
extend at least 6" beyond both discharge
end of unit and filter section.
3. Curb Mounting
(See page 9 for curb assembly)
Install unit on curb using a crane and
spreader bar to prevent damage to unit.
Lifting lugs are provided as shown in
illustration.
It is highly recommended that all accessory
items be lifted separately and attached
after the unit is set in place.