Appendix A - Acronyms and Abbreviations
72 ARTC-SVX005A-EN
In Inch
INFO Information
Int Integration
IP Industry Pack
Iso Isolation
LA Low Ambient
lbf foot pounds
LBV Load Balance Valve
LED Light-Emitting Diode
Lgth Length
LIFO Last In First Out
Liq Liquid
LLS Liquid Line Solenoid
LP Low Pressure
LPPD Low Pressure Pump Down
LPS Low Pressure Switch
LRA Locked Rotor Amperes
m minute
Max Maximum
Mem Memory
Min Minimum
MON Monday
ms millisecond
Mx Module 1 through x
NEMA National Electrical Manufacturers Association
NFPA National Fire Protection Association
NTC Negative Temperature Coefficient
Num Number
OA Outside Ambient
OAT Outside [ambient] Air Temperature
OD Outside Diameter
Opn Open
OS Operating System
P Process
Params Parameters
PASV Passive File Transfer Protocol
PD Pressure Differential
PE Protective Earth
PLC Programmable Logic Controller
PMD Panel Mounted Disconnect
POE Polyolester Oil
Pos Position
ppm parts per million
Pres pressure
psi pounds per square inch
PumpDown Pump Down
PumpMod Pump Module
PWM Pulse Width Modulation
Table 16. Acronyms and Abbreviations (continued)
Item Expansion
Pwrup Stg Up Power Up Stage Up
REFRIG Refrigeration
RemOff Remote Off
RMA Returned Merchandise Authorization
RmpDn Ramp Down
Rot Rotation
rpm revolutions per minute
RP Redundant Pump
ssecond
S1, S2 Switch #1, Switch #2
SAT Saturday
SDT Saturated Discharge Temperature
Simult Simultaneous
SL Service Line
Soft Software
SP Set Point
SQ. Square
Src Source
SSS Solid State Starter
SST Saturated Suction Temperature
StartPt Stating Point
Suct Suction
SUN Sunday
Sys System
SysChEWT System Chilled Entering Water Temperature
SysChLWT System Chilled Leaving Water Temperature
SysHotEWT System Hot Entering Water Temperature
SysHotLWT System Hot Leaving Water Temperature
Temp Temperature
Temp Diff - Temperature Differential (minus)
Temp Diff + Temperature Differential (plus)
TEMPS Temperatures
THU Thursday
TT Twin Turbine
TUE Tuesday
TXV Thermal Expansion Valve
U1, U2 binary 1, binary 2
UL Underwriters Laboratories
UV Ultraviolet
VAC Volts, Alternating Current
Var Variable
Variab Variable
VDC Volts, Direct Current
Ver. Version
VFD Variable Frequency Drive
WED Wednesday
Y1, Y2 analog output: y1 = condenser, y2 = evaporator
Y4 analog output
Table 16. Acronyms and Abbreviations (continued)
Item Expansion
To Next Page
Loading...
