TM 5-4520-256-14
1-7.
LIST OF ABBREVIATIONS - continued.
Hz .............................................................................................................. Hertz
in ............................................................................................................... inch or inches
kg .............................................................................................................. kilograms
lb ............................................................................................................... pounds
m ............................................................................................................... meters
mm ............................................................................................................. millimeters
psi ............................................................................................................. pounds per square inch
rpm ............................................................................................................ revolutions per minute
S/N ............................................................................................................ serial number
Vac ............................................................................................................ Volts alternating current
Section II. EQUIPMENT DESCRIPTION AND DATA
Para.
Para.
Equipment Characteristics,
Differences Between Models .............................. 1-9.1
Capabilities, and Features .................................... 1-8
Location and Description of
Equipment Data ................................................. 1-10
Major Components .................................................. 1-9
1-8. EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES.
a.
Characteristics.
(1) Portable
(2) Requires outside power source.
(3) Heats and ventilates shelters used in the Bare Base Equipment System.
(4) Rated at 120,000 Btu per hour.
b.
Capabilities and Features.
(1) Can operate as either a heater or a fresh air ventilator.
(2) When operating as a heater, the heater unit can operate as either a recirculating or a fresh air heater.
(3) Draws fuel for heating purposes from either the internal fuel tank or an external fuel source.
(4) When operating as a heater, the heater unit can be operated unattended for up to 24 hours in ambient air
temperatures ranging from -65 °F (-53°C) to + 70°F ( + 21 °C).
(5) When operating as a ventilator, the heater unit can be operated continuously in ambient air temperatures
ranging from + 70°F ( + 21 °C) to + 125 F ( + 52°C).
Change 3 1-3
