Air Conditioning Abbreviations
|
Search Abbreviations:
|
||
A/C
Air Conditioner
ACC
Air Cooled Condenser
ACCU
Air Cooled Condensing Unit
ACU
Packaged Air Conditioning Unit
AFUE
Annual Fuel Utilization Efficiency
AHU
Air Handling Unit
ALM
Alarm
AM
Ammeter
AMB
Ambient
AMP
Amphere
APPROX
Approximate
ARI
Air-Conditioning and Refrigeration Institute
ARM
Armature
ASHRAE
American Society of Heating, Refrigeration and Air Conditioning Engineers
ATC
Automatic Temperature Control
AUTO
Automatic
AUX
Auxiliary
AVG
Average
BEEV
Rod
BOT
Bottom
BTU
British Thermal Unit
BTUH
British Thermal Unit per Hour
C
Celsius or Centigrade
C TO C
Center To Center
CAP
Capacitor
CAP
Capacity
CB
Circuit Breaker
CCW
Counterclockwise
CF
Cubic Foot
CFC
Chlorofluorocarbon
CFM
Cubic Feet per Minute
CH
Chiller
CL
Center Line
CONT
Continuation
CONT
Continuous
COP
Coefficient of Performance
CP
Condensate Pump
CPS
Cycles per Second
CR
Control Relay
CRAC
Computer Room Air Conditioner
CT
Cooling Tower
CT
Current Transformer
CTR
Center
CW
Clockwise
DB
Decibel
DC
Duct Coil
DDC
Direct Digital Control
DEG
Degree
DEH
Dehumidifier
DIA
Diameter
DISC
Disconnect
DOE
Department of Energy
DP
Double Pole
DPDT
Double Pole Double Throw
EA
Each
EAT
Entering Air Temperature
ECU
Environmental Control Unit
EER
Energy Efficiency Ratio
EL
Elevation
EMF
Electromotive Force
ENT
Entering
ERV
Energy Recovery Ventilator
ESP
External Static Pressure
EVAP
Evaporator
EWT
Entering Water Temperature
EXT
External
F
Fahrenheit
FC
Flexible Connector
FCU
Fan Coil Unit
FLA
Full Load Amps
FLC
Full Load Current
FLT
Full Load Torque
FPM
Feet per Minute
FPS
Feet per Second
FREQ
Frequency
FS
Float Switch
FT
Foot
FWD
Forward
GA
Gauge
GAL
Gallons
GALV
Galvanized
GC
Glycol Cooler
GEN
Generator
GND
Ground
GPH
Gallons per Hour
GPM
Gallons per Minute
GPS
Gallons per Second
GR
Grain
H
Humidifier
HC
Heating Coil
HCFC
Hydrochlorofluorocarbon
HD
Head
HE
Heat Exchanger
HEPA
High Efficiency Filter
HFC
Hydrofluorocarbon
HG
Hot Gas
HMD
Humidity
HORIZ
Horizontal
HP
Horsepower
HP
Heat Pump HRC
HRC
Heat Recovery Coil
HRU
Heat Recovery Unit
HSPF
Heating Season Performance Factor
HTR
Heater
HVAC
Heating Ventilating and Air Conditioning
HVAC/R
Heating, Ventilating, Air Conditioning and Refrigeration
Hz
Hertz
I
Current
IAQ
Indoor Air Quality
IC
Integrated Circuit
IWC
Inches Water Column
KW
Kilowatt
KWh
Kilowatt Hour
LAT
Leaving Air Temperature
LBS
Pounds
LP
Low Pressure
LRA
Locked Rotor Amps
LRC
Locked Rotor Current
LWT
Leaving Water Temperature
MAH
Make-Up Air Heater
MAX
Maximum
MB
Mixing Box
MBH
Thousand British Thermal Units per Hour
MC
Motor Condenser
ME
Motor Evaporator
MIN
Minimum
MOD
Model
MTD
Mounted
NA
Not Applicable
NC
Normally Closed
NEG
Negative
NO
Normally Open
NTS
Not To Scale
OA
Outside Air
OAI
Outside Air Intake
OCPD
Overcurrent Protection Device
OL
Overload
P
Pump
PD
Pressure Drop
PF
Pre-Filter
PHC
Pre-Heat Coil
PNEU
Pneumatic
PRESS
Pressure
PROP
Propeller
PSI
Pounds per Square Inch
PSIG
Pounds per Square Inch Gauge
PTAC
Packaged Terminal Air Conditioner
QTY
Quantity REF
REF
Reference
REQD
Required
REV
Revision
REV
Reverse
RH
Relief Hood
RLA
Running Load Amps
RPM
Revolutions per Minute
RSES
Refrigeration Service Engineers Society
SC
Steam Coil
SCR
Silicon Controlled Rectifier
SEER
Seasonal Energy Efficiency Ratio
SENS
Sensible Heat
SEP
Separate
SEQ
Sequence
SERV
Service
SF
Service Factor
SOL
Solenoid
SP
Single Pole
SP
Static Pressure
SPDT
Single Pole Double Throw
SPLY
Supply
SPST
Single Pole Single Throw
SRN
Sound Rating Number
SS
Stainless Steel
SUCT
Suction
SW
Switch
TBD
To Be Determined
TD
Temperature Differential
TD
Time Delay
TEMP
Temperature
TSP
Total Static Pressure
V
Variable Air Volume Box
VA
Voltamps
VAC
Vacuum
VAC
Volts Alternating Current
VAV
Variable Air Volume
VDC
Volts Direct Current
VEL
Velocity
VERT
Vertical
VF
Fan Powered Variable Air Volume Box
VFD
Variable Frequency Drive
VIB
Vibration
VOL
Volume
VSD
Variable Speed Drive
W
Watt
WB
Wet Bulb
WC
Water Column