Trane Direct Fired Make-Up Air Lista de partes descargar pdf (Pagina 7)

MUA-PRC007-EN 7

Application Considerations

• Drafts and cross-currents will increase in a negative condition, causing an uncomfortable or

unhealthy work environment.

What Fuel to Use?

The most common fuel for heating make-up air is natural gas. This is because 100 percent of the

energy goes into the air stream (92 percent sensible, 8 percent latent). Direct firing eliminates the

need for heat exchangers or combustion chambers that can corrode or leak. Natural gas is often

the least expensive fuel and is usually readily available.

Note: Selected horizontal and vertical units are available with special coil options (DX, chilled

water, steam or electric).

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Trane Direct Fired Make-Up Air Lista de partes Pagina 7