1130 W MARINE VIEW DR MARITIME INSTITUTE 2024-06-24

vNEUDORFER Hr JE s anjWGINEERS Terms and Abbreviations }��..� W W W.NEUDDRFERENGINEERS.COM Project: PAC AN. I'mnggl%'r'QM P A N Y Project: PAC Maritime Institute Change Order AC or ACU Air Conditioner or Air Conditioning Unit Dia. Diameter HVAC Heating Ventilation and Air Conditioning SAT Supply Air Temperature Act. Actual Disch. Discharge HWS Heating Water Supply S.F. Service Factor ACCU Air Cooled Condensing Unit DNL Data Not Listed HWR Healing Water Return Schedule Design data obtained from the Address Equipment designation number given mechanical cooling. HX Heat Exchanger (ached) mechanical prints'schedule of Arr Arrangement EDC Electric Duct Coil HZ Hertz,cycle per second equipment. AVG Average Controls and components that allow an I.D. Inside Diameter SCR Silcon Controlled Rectifier Amps Amperage air handler to logically utilize outdoor air In. inches Speed Controller AP Access Point for cooling as opposed to the use of Ini inches of water gauge SF Supply Fan APP. Application EDH Electric Duct Heater Kfactor Correction factor to the free area need to SFD Smoke/Fire Damper BHP Brake Horsepower EF Exhaust Fan calculate CFM. SP Static Pressure BTU British Thermal Units EG Exhaust Grille KW Kilowatts Spec(s) Specifications BTUH British Thermal Units per Hour EMCS Energy Management Control System LAT Leaving Air Temperature sq.ft. square feet CAV Constant Air Volume ERU Energy Recovery Unit LWG Low Wall Grille Submittals Submitted data on equipment CBV Calbirated Balancing Valve E.S.P. External Static Pressure LWR Low Wall Register (subs) capabilities. (Circuit Seder) Evap. Evaporator LWT Leaving Water Temperature Suct. Suction CC Cooling Coil EWT Entering Water Temperature MAU Make-up Air Hangling Unit SM Sidewall Grille CD Ceiling Diffuser FCU Fan Coil Unit MAX Maximum Flow Requirements for DDC SWR Sidewall Register CFLA Correct Full Load Amperage FD Fire Damper MBH Mega BTUs per hour(1MBH=1,000BTUH) TAB Test;Adjust;and Balance CFM Cubic Feet per Minute FH Fume Hood MIN Minimum Flow Requirements for DDC Tach Tachometer CH Chiller FLA Full Load Amperage:Maximum N/A Not Available Tech Technician CHWS Chilled Water Supply amperage a motor can draw. NIS Not Shown or Specified TSP Total Static Pressure:Difference CHWR Chilled Water Return Flow Hood Instrument that captures air and OA Outside Air between the entering and leaving Coeff. Coefficient converts the reading to CFM. OBD Opposed Blade Damper static pressure of a fan. CP Circulating Pump FPB Fan Powered Box O.D. Outside Diameter TP Traverse or Test Point CR Ceiling Register FPM Feel per Minute PD Pressure Drop. TU Terminal Unit CRAC Computer Room Air Conditioner FR Field Report PH Phase UH Unit Heater CRU Computer Room Unit FT Fool,Feet PHC Preheat Coil VAV Variable Air Volume;box that CT Cooling Tower FTU Fan Terminal Unit Prim. Primary contains a motorized damper that CU Condenser Unit GPM Gallons per Minute PSI Pounds per Square Inch modulates airflow. CUH Cabinet Unit Heater HC Heating Coil RA Return Air VD Volume Damper CWS Condenser Water Supply HD Pressure Difference across the entering RAT Return Air Temperature VFD Variable Frequency Drive CWR Condenser Water Return and leaving side of a pump. RF Return Fan Velgrid Instrument that reads used to read DAT Discharge Air Temperature Heater O.L. Thermal manned protection for motors RH Relative Humidity velocity in feet per minute. DB Dry Bulb located at the motor starter(starter heaters) RHC Reheat Coil VP Velocity Pressure DD Direct Drive HEPA High Efficiency Particulate Arreswnce RPM Revolutions per Minute VVT Variable Volume Terminal DDC Direct Digital Controls:EMS Control HOA Hand/Off/Auto Switch RTU Roof Top Unit W.C. Water Column System for the HVAC HP Horsepower RVA Rotating Vane Anemometer-reads W.G. Water Gauge Delta (n)Difference,net decrease or increase HRC Heat Recovery Coil air velocity in feet per minute WB Wet Bulb Des. Design HUH Hydronic Unit Heater SA Supply Air