Trane Manhattan Gen II Installation, Operation And Maintenance Manual page 78

Appendix A - Acronyms and Abbreviations
Table 16. Acronyms and abbreviations (continued)
Item Expansion
Pres pressure
psi pounds per square inch
PumpDown Pump Down
PumpMod Pump Module
PWM Pulse Width Modulation
Pwrup Stg Up Power Up Stage Up
REFRIG Refrigeration
RemOff Remote Off
RMA Returned Merchandise Authorization
Rot Rotation
rpm revolutions per minute
RP Redundant Pump
s second
SAT Saturday
SDT Saturated Discharge Temperature
SP Set Point
SSS Solid State Starter
SST Saturated Suction Temperature
StartPt Stating Point
SUN Sunday
Sys System
Temp Temperature
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
VDC Volts, Direct Current
VFD Variable Frequency Drive
WED Wednesday
Y1, Y2 analog output: y1 = condenser
Y4 analog output
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