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Appendix A. Acronyms and Abbreviations
All acronyms and abbreviations used in this manual,
on the chiller controllers, and on module indicators and
gauges are listed in the following tables.
Acronym List
All acronyms and abbreviations in this publication are
listed in the following table, with their full spellings and
expansions.
Table 16. Acronyms and abbreviations
Item
410A
R410A
Automatic City Water Switchover
ACWS
Air-Conditioning, Heating and Refrigeration
AHRI
Institute
AL
alarm
Alrms
alarms
Anlg
Analog
analog output one
AO1
Bd
board
btu
British thermal unit
C
Celsius
C1
Circuit 1
C2
Circuit 2
CB
Circuit Breaker
Conformance European
CE
ckt
circuit
CL
cool
Cntrl
Controller
Comps
Compressors
COND
condenser
CSA
Canadian Standards Association
Dry Bulb
DB
DB
Distribution Block
DifPr
Differential Pressure
Dly
Delay
DP
Differential Pressure
Electrically Commutated Motor
ECM
Energy Efficiency Rating
EER
ARTC-SVX001B-EN
Expansion
Table 16. Acronyms and abbreviations (continued)
Item
Electromagnetic Compatibility
EMC
Electromagnetic Interference
EMI
Extended Performance Compressor
EPC
EvapFl
Evaporator Flow
Electronic [expansion] Valve Controller
EVC
Expansion Board 1
EXP1
Electronic [expansion] Valve
EXV
F
Fahrenheit
Full Load Amperes
FLA
FLC
Full Load Current
Free Cooling
FREECOOL
Friday
FRI
gpm
gallons per minute
Graphical User Interface
GUI
Hydrofluorocarbon
HFC
HG
Hot Gas
Hotgas1
Hot Gas 1
horsepower
HP
High Pressure Switch
HPS
HT
heat
Heating, Ventilation, and Air-Conditioning
HVAC
Ident
Identification
Institute of Electrical and Electronic Engineers
IEEE
Insulated Gate Bipolar Transistor
IGBT
INFO
Information
Integration
Int
Industry Pack
IP
Iso
Isolation
LA
Low Ambient
foot pounds
lbf
LBV
Load Balance Valve
Light-Emitting Diode
LED
LIFO
Last In First Out
Liquid Line Solenoid
LLS
LP
Low Pressure
Low Pressure Pump Down
LPPD
Expansion
A–1
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