Application DataCONTENTSPageINTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2BUILDING LOAD CALCULATION . . . . . . . . . . 2-23Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2• LOAD CONSIDERATIONS• DESIGN PROCEDUREHeating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20• OVERHEAD AIR HEATINGTERMINAL SELECTION AND LAYOUT . . . . . 23-41Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Step 1 — Determine Air Volume (Cfm)Per Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24Step 2 — Lay Out Terminals . . . . . . . . . . . . . . . 25Step 3 — Consider Unit Combinationsand Run-Out Duct . . . . . . . . . . . . . . . . . . . . . . . . 27Step 4 — Determine Controller Location . . . . 37Final Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41THE MODULINE VALVE . . . . . . . . . . . . . . . . . . . 41-44The Moduline Control Concept . . . . . . . . . . . . . 41• HIGH AND LOW PRESSURE• BELLOWS PRESSURE• UNIT AIRFLOW DELIVERYCONTROL APPLICATIONS . . . . . . . . . . . . . . . . 44-50Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44System-Powered Controls . . . . . . . . . . . . . . . . . 44• COMPONENTS OF THE SYSTEM-POWERED CONTROL SYSTEM• SYSTEM-POWERED APPLICATIONSConstant Volume (CV) CoolingCV HeatingVariable Air Volume (VAV) CoolingVAV Cooling With Warm-UpVAV Heating and Cooling With ChangeoverVAV Heating• SYSTEM-POWERED CONTROLS WITHELECTRIC INTERFACEVAV Cooling With Electric Warm-UpVAV Heating and Cooling With Electric ChangeoverVAV Cooling With Electric Heat Interlock• SYSTEM-POWERED CONTROLS WITHPNEUMATIC INTERFACEPneumatic Sequenced Cooling/Heating (Hot Water)VAV Cooling With Pneumatic Warm-UpVAV Cooling With Fire SafetyNight Set Back HeatingVAV Cooling/Separate System HeatingCONTROL SELECTION . . . . . . . . . . . . . . . . . . . 50-54Control Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50Control Packages . . . . . . . . . . . . . . . . . . . . . . . . . 50CONTROL OPERATING SEQUENCES . . . . . . 55-71System-Powered Controls . . . . . . . . . . . . . . . . . 55• CV COOLING• CV HEATING• VAV COOLING• VAV COOLING WITH WARM-UPPage• VAV HEATING AND COOLING WITHSYSTEM-POWERED CHANGEOVER• VAV HEATINGSystem-Powered Controls WithElectric Interface . . . . . . . . . . . . . . . . . . . . . . . . . 64• VAV COOLING WITH ELECTRIC WARM-UP• VAV HEATING AND COOLING WITHELECTRIC CHANGEOVER• VAV COOLING WITH ELECTRIC HEATINTERLOCKSystem-Powered Controls WithPneumatic Interface . . . . . . . . . . . . . . . . . . . . . . 69• PNEUMATIC SEQUENCED HEATING/COOLING (HOT WATER)• VAV COOLING WITH PNEUMATICWARM-UP OR FIRE SAFETY SWITCHAIRFLOW ADJUSTMENT . . . . . . . . . . . . . . . . . . 71,72Maximum Airflow (Cfm) Adjustment . . . . . . . . 71Minimum Airflow (Cfm) Adjustment . . . . . . . . . 71Variation in Maximum Airflow . . . . . . . . . . . . . . 72AIR DISTRIBUTION . . . . . . . . . . . . . . . . . . . . . . . . 73Throw for Standard Diffusers . . . . . . . . . . . . . . . 82INTRODUCTIONThe Modulinet air terminal (Fig. 1) is a truly flexible unitfor the control and distribution of conditioned air to the oc-cupied space. Available in 3 airflow sizes for single or mul-tiple terminal installation, it is adaptable to a variety ofFig. 1 — Moduline Air Terminal37HSModulineT Air TerminalsManufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Book 3Tab 6aPC 201 Catalog No. 513-741 Printed in U.S.A. Form 37HS-1XA Pg 1 6-91 Replaces: New