The corridor is not required to be of fire resistance rated construction.
Roof top plenum.
They are designed to be used with multiple different brands and can be customized for your ductwork needs.
And is designed for use with all heating and cooling applications.
W x 20 in.
The operation section explains the operational characteristics of each mode of operation.
The trim to fit plenum fully assembled measures 20 in.
Use of the space between the corridor ceiling and the floor or roof structure above as a return air plenum is permitted for one or more of the following conditions.
The thermostat temperature control the thermostat regulates the on and off temperature setting at which the compressor will.
Roof top unit and ceiling assembly.
Pre fabricated plenum roof curbs are available in the following.
D x 47 in.
The air vantage kit allows you to use the existing ct wall thermostat control box and ducted ceiling plenum to install coleman mach air conditioners and heat pumps.
Plenum curb will convert a dedicated down discharge roof top unit into a plenum curb.
The corridor is separated from the plenum by fire resistance rated construction.
Dometic to coleman mach ducted roof top adapter kitfor air conditioner or heat pump replacement.
Figure 1 shows selector switch location and available functions.