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f 0 7i"it i1tv rmk� <br />MacDonald -Miller <br />FACILITY SOLUTIONS <br />ABBREVIATIONS <br />AC <br />AIR CONDITIONING UNIT <br />HP <br />HORSEPOWER <br />BDD <br />BACK DRAFT DAMPER <br />HP <br />HEAT PUMP AIR CONDITIONING UNIT <br />BHP <br />BRAKE HORSEPOWER <br />HWR <br />HEATING WATER RETURN <br />B.S. <br />BIRD SCREEN <br />HWS <br />HEATING WATER SUPPLY <br />CEG <br />CEILING EXHUAST GRILLE <br />INAC <br />INACCESSIBLE <br />CRG <br />CEILING RETURN GRILLE <br />LAT (DB) <br />LEAVING AIR TEMP. (DRY BULB) <br />CFM <br />CUBIC FEET PER MINUTE <br />LAT (WB) <br />LEAVING AIR TEMP. (WET BULB) <br />CHWR <br />CHILLED WATER RETURN <br />LD <br />LINEAR DIFFUSER <br />CHWS <br />CHILLED WATER SUPPLY <br />LWT <br />LEAVING WATER TEMPERATURE <br />CSD <br />CEILING SUPPLY DIFFUSER <br />MAX <br />MAXIMUM <br />CWR <br />CONDENSER WATER RETURN <br />MIN <br />MINIMUM <br />CWS <br />CONDENSER WATER SUPPLY <br />0 <br />WIDE OPEN DAMPER / AIR PATH <br />DD <br />DIRECT DRIVE <br />OBD <br />OPPOSED BLADE DAMPER <br />DP <br />DIFFERENTIAL PRESSURE <br />OD <br />OUTSIDE DIAMETER <br />DIFF <br />DIFFUSER <br />OSA <br />OUTSIDE AIR <br />DMPR <br />DAMPER <br />RA <br />RETURN AIR <br />DNA <br />DATA NOT AVAILABLE <br />REQ'D <br />REQUIRED <br />DNL <br />DATA NOT LISTED <br />RH <br />RELATIVE HUMIDITY <br />DNT <br />DATA NOT TAKEN <br />RTU <br />ROOFTOP UNIT <br />DWDI <br />DOUBLE WIDTH DOUBLE INLET <br />SA <br />SUPPLY AIR <br />EAT (DB) <br />ENTERING AIR TEMP. (DRY BULB) <br />SP <br />STATIC PRESSURE <br />EAT (WB) <br />ENTERING AIR TEMP. (WET BULB) <br />SWG <br />SIDE WALL GRILLE <br />EC <br />EGGCRATE RETURN <br />SWR <br />SIDE WALL REGISTER <br />EF <br />EXHAUST FAN <br />SWSI <br />SINGLE WIDTH SINGLE INLET <br />EG <br />EXHAUST GRILLE <br />T <br />OUTLET NEAREST THERMOSTAT <br />ESP <br />EXTERNAL STATIC PRESSURE <br />TSP <br />TOTAL STATIC PRESSURE <br />EWT <br />ENTERING WATER TEMPERATURE <br />T.P. <br />THERMALLY PROTECTED <br />FPM <br />FEET PER MINUTE <br />T-STAT <br />THERMOSTAT OR SENSOR <br />FH <br />FUME HOOD <br />TYP <br />TYPICAL <br />GPM <br />GALLONS PER MINUTE <br />0 <br />VOLTAGE PHASE / DUCT DIAMETER <br />HF <br />HEPA FILTER <br />V.D. <br />VOLUME DAMPER <br />Pg. I <br />