External Curbs For Condenser Units On Roof

Specifications prefabricated roof curb to be manufactured of prime galvanized steel construction 20 18 16 or 14 gauge as required meeting astm a653 653m with welded corners and with.

External curbs for condenser units on roof.

This 30 x 10 x 8 18 000 pound hvac unit was attached to its curb with 16 straps one screw per strap. Carrier provides a complete line of commercial packaged rooftop units with puron refrigerant to meet demanding hvac system requirements. Allison earned her b s. Condenser ld08205 figure 1.

Do not cut out the entire roof deck within the curb area. Roof support the roof must be capable of adequately supporting the weight of the rooftop unit as well as that of the curb. Rooftop attachment of lightning protection systems in high wind regions. Refer to the factory roof curb drawing provided with the unit for specific curb in formation.

Flat curbs see figure 2. Roof curbs should be supplied by the hvac manufac turer to the general contractor or building manufacturer and installed by an experienced erector. Mechanical contractors should not be asked to supply or install roof curbs for roo fi ng systems. These packaged air conditioners deliver performance for various ranges of industrial applications.

When you install adapter curbs welded rtu rooftop unit curbs or equipment supports for your rooftop hvac package unit going with the wrong curb adapter company can cost you big money and time. This gooseneck was attached with only two small screws. Units may be set either lateral or. Refer to figure 17 and tables 1 and 2 for specific center of gravity corner weight information and accessory weights.

A substantial amount of water was able to enter the building during the hurricane. Unit and curb orientation typical curb styles the following are typical curb styles used with rooftop units. Roof curb and curb adapter specialists serving north america. When setting the unit onto the curb the installer should ensure that a sealing material is positioned between the unit and curb to provide a continuous watertight connection.

Allison main joined the pate company as a sales engineer on june 8 2020. This guide does not address roof penetrations. Before joining pate allison gained valuable experience during her five years with ferguson hvac. In atmospheric sciences in 2015 from purdue university west lafayette in.

Instructions supplied with the unit curb. Units should not be moved over a roof membrane but should in some manner be lifted from the ground onto the curb or support framework.