暖通常用英文缩写

AV automatic air release valve自動排氣閥MECH MECHANICAL機械

ACV alarm check valve報警逆止閥MH MANHOLE檢修孔

RFL access(raised) floor level高架地板標高MIN MINIMUN MINUTE最小

A/G aboveground地上MM MILLIMETER毫米

AHU air handling unit空氣調節箱MTL MATERIAL材料

BOB bottom of beam梁底標高MUW MAKE-UP WATER補水

BF blind flange盲板N2NITROGEN氮氣

BOD bottom level of finished duct風管底標高NC NORMALLY CLOSED常閉

BOP BOTTOM LEVEL OF FINISHED PIPE水管底標高NTS NOT TO SCALE無比例

BOT BOTTOM LEVEL OF CABLE TRAY.橋架底標高OA OUTSIDE AIR外氣

C C FORM METAL FRAMING CHANNEL C C型鋼O

D OUTSID

E DIAMETER外徑

CA COMPRESSED AIR壓縮空氣PCC PRECOOLING COIL預冷盤管

CD CONDENSATE DRAIN CHECK DAMPER冷凝排水逆止閥PCWR PROCESS COOLING WATER RETURN制程冷卻水回水CDA CLEAN AND DRY AIR幹燥空氣PCWS PROCESS COOLING WATER SUPPLY制程冷卻水供水CDWR CHILLED DEIONIZING WATER RETURN冰純水回水PHC PREHEATING COIL預熱盤管CDWS CHILLED DEIONIZING WATER SUPPLY冰純水送水PRES PRESSURE壓力

CEB CONCRETE EXPANSION BOLT膨脹螺栓（混凝土）PSV PRESSURE SAFETY VALVE安全閥

CHR CHILLED WATER RETURN冰水回水PRV PRESSURE REDUCING VALVE減壓閥

CHS CHILLED WATER SUPPLY冰水送水PS PRESSURE SWITCH壓力開關

CWR COOLING WATER RETURN冷卻水回水PST PURE STEAM潔淨蒸氣

CWS COOLING WATER SUPPLY冷卻水送水RAP RETURN AIR PLENUM回風層

CO CLEANOUT清掃口RC REINFORCING CONCRETE混凝土牆CONC CONCRETE混凝土RCC RECOOLING COIL再冷盤管

COP CENTER LEVEL OF PIPE管中心標高RD ROOF DRAIN屋面排水

C/R CLEANROOM無塵室RED CONCENTRIC REDUCER同心變徑

CTW CITY WATER市水REF REFER TO參攷

DC DRY COIL幹盤管RFL ROOF LEVEL屋面標高

DI DEIONIZED WATER SYSTEM純水系統RHC REHEATING COIL再熱盤管

DIM DIMENSION尺寸RN RISER NIPPLE立管接頭

DIR DEIONIZED WATER RETURN純水回水S SCALE SLOPE坡度

DIS DEIONIZED WATER SUPPLY]純水進水SAD SUPPLY AIR DUCT送風管

DN FLUID FLOW DOWNWARDLY DROP NIPPLE流體向下SCH SCHEDULE標准

DR DRAIN排水SHT SHEET片，板

DWG DRAWING圖紙SLV SLEEVE套管

EA EACH一個SOL SOLVENT GAS EXHAUST DUCT排氣風管

EBS INERTIA BASE SP SPRINKLER WATER PIPING噴淋管

EL ELEVATION海拔SPT SUPPORT支架

ELEC ELECTRICAL電氣SR ELBOW WITH SHORT RADIUS彎頭

ERD ECCENTRIC REDUCER偏心變徑SRF SUBMITTAL REFERENCE FORM送審