Auto-zone-control-systems Auto-Zone Plus Systems Installation & Operatio Instrukcja Użytkownika Pobierz pdf (Strona 3)

Section 1

Design Guide

Table of Contents

Conventions....................................................................................................1

General Information .....................................................................................3

Description of System Components.................................................................................5

Design Considerations.................................................................................10

Zone Diversity................................................................................................................10

Cooling - Partial Load Conditions .................................................................................10

Heating - Partial Load Conditions .................................................................................13

Override Conditions.......................................................................................................13

Building Pressurization..................................................................................................14

Design Guide ................................................................................................15

Step #1 - Zoning.............................................................................................................15

Step #2 - Sizing the Central Unit ...................................................................................18

Step #3 - Duct Design Considerations ...........................................................................18

Step #4 - Room Air Motion/Diffuser Selection.............................................................19

Step #5 - Bypass Damper Sizing....................................................................................19

Step #6 - VFD Considerations .......................................................................................20

Step #7 - Sizing Zone Dampers .....................................................................................22

Auxiliary Heat Control Options.................................................................25

Index: ............................................................................................................27

Table of Figures

Figure 1-1: Auto-Zone Plus System ..............................................................................2

Figure 1-2: Typical HVAC Unit Installation .................................................................3

Figure 1-3: Incorrect Zoning of Typical Building .......................................................16

Figure 1-4: Correct Zoning of Typical Building..........................................................17

Figure 1-5: Locating the Static Pressure Sensor..........................................................21

Table 1-1: Round Damper Sizing Chart ......................................................................22

Table 1-2: Round Damper Dimensional Data .............................................................23

Table 1-3: Pressure Independent “K” Factors..............................................................23

Table 1-4: Rectangular Damper Sizing Information....................................................24

1 2 3 4 5 6 7 8 ... 209 210

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Auto-zone-control-systems Auto-Zone Plus Systems Installation & Operatio Instrukcja Użytkownika Strona 3