Calculation for 100% fresh unit
Calculation for 100% fresh unit
(OP)
How to select 100% fresh air package unit of area 1400sq/ft cfm 4500
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Calculation for 100% fresh unit
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RE: Calculation for 100% fresh unit
Wouldn't want to screw up would ya!
RE: Calculation for 100% fresh unit
RE: Calculation for 100% fresh unit
To start off, you need to make a couple of decisions in your system design:
1) Is the conditioned air (after the pre-cooled coil unit) delivered to Air Handling Unit or direct into the room?
2) Is the pre-cooled coil unit designed to handle all the outdoor air load (sensible and latent)?
You can then work out the cooling load requirements, desired supply air conditions and plot it on the psychrometric chart for a better understanding of the process.
RE: Calculation for 100% fresh unit
Total amount of fresh air to be cooled in CFM
Entering dry bulb temperature of fresh air into the unit and humidity ratio in terms of grains of moisture per pound of dry air.
Desired leaving dry bulb temperature of fresh air from the unit and humidity ratio in terms of grains of moisture per pound of dry air.
RE: Calculation for 100% fresh unit
As for selecting a unit, the process is the same. Open a catalogue, search the web, and (most useful) talk to a sales rep.