Roof Curbs - Lennox Energence LGH Manual

O PT IO N S / A C C ES S ORIES
OUTDOOR AIR
Factory or Field Installed
Outdoor Air Damper
• Downflow or Horizontal
• Linked mechanical dampers
• 0 to 25% (fixed) outdoor air adjustable
• Installs in unit
• Includes outdoor air hood
• Automatic model features fully modulating spring return
damper motor with plug-in connection
• Manual model features parallel blade, gear-driven
dampers with adjustable fixed position

ROOF CURBS

• Nailer strip furnished (downflow only)
• Mates to unit
• US National Roofing Contractors Approved
• Shipped knocked down
Downflow
Hybrid Roof Curbs
• Interlocking tabs fasten corners together
• No tools required
• Can also be fastened together with furnished hardware
• Available in 203, 356, 457, and 610 mm heights
Adjustable Pitch Curb
• Fully adjustable pitch curb provides a level platform for
rooftop units allowing flexible installations on roofs with
uneven or sloped angles.
• Maximum slope is 19 mm per 300 mm in any direction.
• Uses interlocking tabs to fasten corners together; no
tools required.
• Hardware is furnished to connect upper curb with lower
curb
• Available in 356 mm height
Horizontal
• Converts unit from downflow to horizontal (side) air flow
• Return air is on unit
• Supply air is on curb, see dimension drawings
• Curbs for rooftop applications meet National Roofing
Code requirements
• Requires Horizontal Return Air Panel Kit
• Available in 660, 762, 940 and 1041 mm heights
• Optional Insulation Kit is available to help prevent
sweating
Adaptor Curbs (not shown)
• Curbs are regionally sourced
• Dimensions will vary based upon the source
NOTE - Contact your local sales representative for a
detailed cut sheet with applicable dimensions.
CEILING DIFFUSERS
Ceiling Diffusers
(Flush or Step-Down)
• Aluminum grilles
• Large center grille
• Insulated diffuser box with flanges
• Hanging rings furnished
• Interior transition (even air flow)
• Internally sealed (prevents recirculation)
• Adapts to T-bar ceiling grids or plaster ceilings
Transitions (Supply and Return)
• Used with diffusers
• Installs in roof curb
• Galvanized steel construction
• Langes furnished for duct connection to diffusers
• Fully insulated
Energence Packaged Gas / Electric 45.7 to 88 kW - 50 Hz/ Page 11
®