
Air Conditioning and Air Handling Equipment
Typical abbreviations include AC: Air Conditioning; ACU: Air Conditioning Unit; AHU: Air Handling Unit; FCU: Fan-Coil Unit; CRAC: Computer Room Air Conditioning; CDU or CU: Condensing Unit. [1]
Ventilation, Air Filtration, and Fire Protection
The source lists EA: Exhaust Air; RA: Return Air; EAF: Exhaust Air Fan; FAF: Fresh Air Fan; AF: Air Filter; ATT: Attenuator. Fire-related abbreviations include FAS: Fire Alarm System; FD: Fire Damper; FSD: Fire Smoke Damper; FRD: Fire-Rated Duct. [1]
Chilled water, heat rejection, and heat exchange
CHW is Chilled Water – chilled water (chiller); CHWP is Chilled-Water Pump – chilled water pump/chiller chilled water pump; CHWR is Chilled-Water Return – chilled water return line; CHWS is Chilled-Water Supply – chilled water supply. CW is Condenser Water – cooling water; CT is Cooling Tower – cooling tower; WCL is Water-Cooled Chiller – water-cooled chiller. The source also includes HP: Heat Pump – heat pump; HRC: Heat Recovery Chiller – heat recovery chiller; HX: Heat Exchanger – heat exchanger. [1]
Valves, Sensors, and Control Systems
The abbreviations include BAS: Building Automation System; BMS: Building Management System; DDC: Direct Digital Control; DPCV: Differential Pressure Control Valve; TS: Temperature Sensor; TCV: Temperature Control Valve; VSD: Variable Speed Drive; VFD: Variable Frequency Drive. [1]
Drawing symbols, units of measurement, and codes with multiple meanings
A/P or AP means Access Panel; BOD means Bottom Of Duct – the distance from the bottom of the duct; BOP means Bottom Of Pipe – the distance from the bottom of the water pipe; FFL means Finished Floor Level – the elevation measured from the finished floor. The listed units include KW: KiloWatt; KW/RT: KiloWatt per Refrigeration Ton; MVA: MegaVolt-Ampere; PPM: Part Per Million. In the source, some codes have multiple meanings, such as CWP: Condenser Water Piping and Condenser Water Pump; DP: Differential Pressure and Drain Piping; WC: Water Coil and Water Cooler. [1]
VINAMEED Service Commitments and Contact
VINAMEED Company (Viet Nam Mechanical And Electrical Engineering Development ) presents its commitments to product and service quality, employee training, meeting agreed schedules, and providing solutions suited to customer needs. Websites: www.vinameed.vn and www.vinameed.com.vn. Sales hotline: 0948.055.655 / 0936.263.260. VINAMEED Việt Nam Company offers design and installation services for CENTRAL and INDUSTRIAL air conditioning and ventilation systems. Office address: Liền kề TT16.18, Xuân Phương Tasco Ecological Urban Area, Xuân Phương Ward, Nam Từ Liêm District, Hà Nội City, Việt Nam. Email: vinameed.vn@gmail.com. [1]
Images from the original article
Reference source
[1] Compilation of HVAC abbreviations - VINAMEED BUILDING MEPContent and images referenced from https://vinameed.com.vn/tong-hop-tu-viet-tat-trong-hvac/




