AIRSYS 13E1C3 - Acronyms and Abbreviations

Chapter 1: Overview
Using this Manual
Page 4
Acronyms and Abbreviations
Table 3 lists acronyms and abbreviations used in this manual.
Table 3: Acronyms and Abbreviations
Term
Meaning
AIRSYS
AIRSYS Refrigeration Engineering Technology (Beijing) Co., Ltd
AAST
AIRSYS Authorized Service Technician
Amp
Ampere, unit of electric current, or rate of flow of electricity
AUT/MAN
Automatic/Manual
BMS
Building Monitoring System
CFM
Cubic Feet per Minute
Com
Common
Comp
Compressor
Cond
Condenser
DC
Direct Current
Gen Run
Generator Run Signal
EC
Electronically Commutated (Referes to variable speed evaporator/supply fan)
Evap
Evaporator
FC
Free Cooling
HVAC
Heating, Ventilation, and Air Conditioning
Humid
Humidity
I/O
Input/Output
IPU
Indoor Packaged Unit
kW
Kilowatt
LED
Light Emitting Diode
MC
Mechanical Cooling
N.C.
Normally Closed
N.O.
Normally Open
pLAN
PCO controller Local Area Network
PLD
Programmable LED Display
PSI
Pounds per Square Inch
PWM
Pulse Width Modulation
R
Read Only
RoHS
Restriction of Hazardous Substances Directive
R/W
Read/Write
Temp
Temperature
VAC
Voltage in Alternating Current
VDC
Voltage in Direct Current
WPU
Wall Packaged Unit