Orientation: → NG = Geographical North
Slope: → location latitude
M: → meter
Cm: → centimeter
BP: → Low Pressure
AP: → High pressure
MP: → Mean Pressure
mca: → meter of water column / 1mca = 0.1 Kgf / cm²
lts: → liters
Kg: → kilogram
° C: → degrees Celsius
CDTB: → digital temperature and pumping controller
KWh: → Kilowatt / hour
W: → Watts
PBE: → Brazilian Labeling Program
Sme: → Average monthly energy production
PROCEL: → Energy conservation program
RT: → Thermal level reservoir
ABNT: → Brazilian Association of Technical Standards
INPE: → National Institute for Space Research
INMET: → National Institute of Meteorology
VAC: → Anti-freeze valve