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 APPENDIX
ABBREVIATIONS AND ACRONYMS
British thermal unit
Btu
Cubic feet per minute
cfm
C h i l l e d water
CHW
Carbon dioxide
CO2
C a r d i o p u l m i n a r y resuscitation
CPR
Diethylaminoethanol
DEAE
Differential pressure
DP
F l o a t and thermostatic
F&T
f t3 / l b
Cubic feet per pound
Gallons per minute
gpm
High temperature water
HTW
Mercury
Hg
Hertz
Hz
l b / f t3
Pounds per cubic foot
Pounds per hour
lb/hr
Liquid crystal display
LCD
L i g h t emitting diode
LED
Milliampere
mA
N e t positive suction head
NPSH
A c i d / a l k a l i n e content level
PH
Preventive maintenance
PM
P a r t s per million
ppm
Pounds per square inch,
psi
Pounds per square inch absolute
psia
Pounds per square inch gauge
psig
RTD
R e s i s t a n c e temperature detector
Scfm
Standard cubic feet per minute
WG
Water gauge
A-1
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