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724-746-5500 | blackbox.com
724-746-5500 | blackbox.com
Page 127
Appendix B: Glossary: Definition of Terms and Acronyms
Appendix B. Glossary: Definition of Terms and Acronyms
BTU/Hr: British Thermal Units per hour
CFM: Cubic feet per minute
CNDCT: Conductor
CW: Chilled water
DX: Direct expansion
ESD: Electrostatic discharge
° F: Degrees Fahrenheit
FLA: Full load Amps
FOB: Freight on Board
HACR: Heating, air conditioning, refrigeration
HP: Horsepower
Hz: Hertz
IAQ: Indoor air quality
KVA: Kilo Volt Amps
kW: Kilowatt
LRA: Locked rotor amps
MAX CKT BKR: Maximum circuit breaker
MAX FUSE: Maximum fuse
MCA: Minimum circuit ampacity
m.i.w.g.: Milli-inches of water gauge
MSDS: Material Safety Data Sheet
NEC: National Electric Code
NFPA: National Fire Protection Agency
PH: Phase
PI: Proportional/integral (control)
PSIG: Pounds per square inch gauge
R410A: Refrigerant
RLA: Run load amps
R-Value: Thermal resistance
SPDT: Single pole, double throw
TEV: Thermostatic expansion valve
V: Volt
VAC: Volt, alternating current