Operator`s manual

PUREHEAT™ HYDRONIC AIR HEATER OPERATOR’S MANUAL
V. 2, Rev. 09/01/06 x © 2006 Ground Heaters, Inc.
LIST OF ABBREVIATIONS
The following is a list of abbreviations used throughout the Operator’s Manual:
Abbreviation/Symbol
Term/Meaning
amp. ampere (measurement of electrical current)
asl above sea level
BTU British Thermal Unit (measurement of heat energy)
°C degrees Celsius (metric measurement of temperature)
CFM Cubic Feet per Minute (measurement of air flow)
cm centimeter (1/100
th
of a meter)
CSA Canadian Standards Association
°F degrees Fahrenheit (measurement of temperature)
ft foot/feet (measurement of length/distance)
ft
2
square foot/square feet (measurement of area)
ft-lbs foot pounds (measurement of torque)
gph gallons per hour (measurement of liquid flow)
GFI Ground Fault Interrupt/interrupter (protection device)
GHI Ground Heaters, Incorporated
GVWR Gross Vehicle Weight Rating
HHS Ground Heaters Hose Handling System
hr hour (measurement of time)
HTF Ground Heaters Heat Transfer Fluid
Hz Hertz (measurement of frequency)
ID measurement of Inner Diameter
in. inch/inches (measurement of length/distance)
kg kilogram (metric measurement of weight)
Kilo-Cal Kilo-Calorie = 1000 Calories (metric measurement of heat energy)
kPa kilo-Pascals (metric measurement of pressure)
kW kilo-Watt (measurement of electrical power)
lb pound (measurement of weight)
LWCO Low Water Cut Off Device
m meter (metric measurement of length/distance)
MGV Main Gas Valve (NG / LP Fuel)
mm millimeter (1/1000
th
of a meter)
NHTSA National Highway Transportation Safety Administration
psig pounds per square inch gauge (measurement of pressure)
Rev. Revision
TC Temperature Controller
USDOT United States Department of Transportation
V. Version
VAC Volts, Alternating Current
VDC Volts, Direct Current