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Table 17. Acronyms and abbreviations (continued)
Item
gpm
gallons per minute
Graphical User Interface
GUI
Heating Demand
HeatDemand
Hydrofluorocarbon
HFC
HG
Hot Gas
HH.MM.SS
Time: Hour.Minute.Second
HMI
Human Machine Interface
Hotgas1
Hot Gas 1
High Pressure
HP
High Pressure Switch
HPS
HT
heat
Heating, Ventilation, and Air-Conditioning
HVAC
I/O
Input/Output
ID
Inside Diameter
Ident
Identification
Institute of Electrical and Electronic Engineers
IEEE
Insulated Gate Bipolar Transistor
IGBT
IGV
Inlet Guide Vane
Imp
Import
Implem
Implementation
In
Inch
INFO
Information
Integration
Int
Industry Pack
IP
Iso
Isolation
LA
Low Ambient
foot pounds
lbf
LBV
Load Balance Valve
Light-Emitting Diode
LED
Lgth
Length
LIFO
Last In First Out
Liq
Liquid
Liquid Line Solenoid
LLS
LP
Low Pressure
Low Pressure Pump Down
LPPD
LPS
Low Pressure Switch
Locked Rotor Amperes
LRA
m
minute
ARTC-SVX005B-EN
Expansion
A A c c r r o o n n y y m m s s a a n n d d A A b b b b r r e e v v i i a a t t i i o o n n s s
Table 17. Acronyms and abbreviations (continued)
Item
Max
Maximum
Memory
Mem
Min
Minimum
Monday
MON
ms
millisecond
Module 1 through x
Mx
NEMA
National Electrical Manufacturers Association
NFPA
National Fire Protection Association
Negative Temperature Coefficient
NTC
Num
Number
OA
Outside Ambient
Outside [ambient] Air Temperature
OAT
OD
Outside Diameter
Opn
Open
Operating System
OS
P
Process
Params
Parameters
PASV
Passive File Transfer Protocol
PD
Pressure Differential
PE
Protective Earth
Programmable Logic Controller
PLC
PMD
Panel Mounted Disconnect
Polyolester Oil
POE
Pos
Position
ppm
parts per million
pressure
Pres
psi
pounds per square inch
PumpDown
Pump Down
PumpMod
Pump Module
PWM
Pulse Width Modulation
Pwrup Stg Up
Power Up Stage Up
Refrigeration
REFRIG
RemOff
Remote Off
RMA
Returned Merchandise Authorization
RmpDn
Ramp Down
Rot
Rotation
rpm
revolutions per minute
Redundant Pump
RP
Expansion
A–2
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