Bryant 315AAV Manuel d'utilisateur

Evolution Zoning Design GuideDesign GuideINTRODUCTIONThe Evolution Zoning System provides the ability to control 2, 4, or 8 zones in a residential or

10ADDENDUM ABryant AC/HP355AAVFURNACELOW MED HIGH2 --- S T A G EUNITHIGH LOW355AAV042040540 NA 785 187ANA024 700 525540 NA 785 187ANA036 1050 700355AA

11NoYesYesYesYesYesYesYesYesNoNoNoNoNoNoNoHow many zonesare needed?Greater thanTwo Zones?Each zone shouldbe able to carrythe miniumu unitair flow for

12Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.E2

2The standard Evolution User Interface (SYSTXBBUID01) will not work with zoned systems. However you can use the Zoning UserInterface in single zone ap

3Where to start:It is necessary to start the design process with a good heat loss/gain of the structure. Equipment should be selected that matches the

4 EL = 55 EL = 35 Example: Supply Air FittingsExample: Return Air FittingsNote that the drop connection is relatively large. This was a common low

5Example:Manufacturer’s Blower DataStep 1)External Static Pressure (ESP)= 0.6 IWC cfm= 1200F rom Product Data(PDD)Device Pressure Losses IWCDirect exp

6the three requirements above. If all three above conditions cannot be simultaneously met by the system, then the system will invoke apatented dynamic

7If the system determines that with the selected airflow limit, the allowable airflow into a zone is not sufficient for the equipment to operatecorrec

8a system where there are many zones of different sizes and loads, ducts that are small or when there is evidence of zones not meetingsetpoints, the i

9Brief summary1. Heat loss / gain2. Cfm per room3. Select equipmenta. With variable speed pay close attention to high heat cfm VS. high cooling cfm.b.