Penetrate Roof For Remote Condenser

I m just looking for some basic thoughts ideas.

Penetrate roof for remote condenser.

The developer contracted a structural engineer to design a frame to attach directly to the dunnage steel frame. The soil stack must carry gases from inside out and the hvac unit must either transfer inside air out or outside air in or both. When penetration is unavoidable in the case of hvac and plumbing vents the roof membrane is penetrated so the first rule doesn t apply. Icc 500 2014 fema p 361 wind rated.

Typically that part of the system is located outside the building usually on the roof though it can also be placed in an interior plant room. 1003 0 mm 16 8 in. The soil stack must carry gases from inside out and the hvac unit must bring either inside air out outside air in or both see example below. Consequently holes in the roof are inescapable.

R 9723 0p 12 volt remote mount condenser with dual fans and inline drier. Item r 9725 3p r 9725 3p 12 volt remote mount condenser with dual fans. 533 0 mm 39 5 in. 101 6 mm 2 5 in.

It s a flat rubber roof. Item 77r0620 rd 4 4738 0p replacement condenser core for r 6100 and r 610 units. R 6160 0 24p 24 volt roof mount condenser unit. 425 0 mm rohs compliant.

The condenser and compressor meanwhile are located in a separate unit connected to the box by a pair of lines that transport coolant between the two. Because of the high decibel reduction required the client needed a full four sided chiller enclosure and a roof. The curb and the equipment should be structurally capable of supporting intended loads and should be so designed that no penetration for drains power lines etc will occur through the roof flashing. Item r 9720 12p r 9720 12p 12 volt remote mount condenser w inline drier.

Mounting hardware for junction box and remote condenser depending on local building code sealant for roof penetration if necessary options can be ordered with 50 or 100 copper line set 24 3100 0047 a 4 0 in. Unit s are split condensers for 3 ton heat pumps there are two of them. The top of the curb should be level after installation. Curb criteria for roof mounted equipment 1.

Space was very tight and the structural support for the enclosure could not penetrate the roof. Leed compliant solar reflective index. I ve got a contractor friend that i m helping and he wants to put the condensers on the roof and i m wondering if there are any good ways to do the penetration for the lineset electric etc and have it weather tight.