TM 9-4120-405-13&P
Section II. EQUIPMENT DESCRIPTION AND DATA
1-7. PURPOSE, CAPABILITIES, AND FEATURES.
a. Purpose. The air conditioner is mobile; it can be towed by the CUCV/HMMWV vehicles. Its primary use is for air
conditioning of communications shelters that do not have self-contained air conditioning units.
b. Capabilities and features. The 18,000 BTU/HR trailer-mounted, generator set powered, air conditioner is made
up of a model F18H-3SB air conditioner and a DOD model MEP-003A generator set mounted on a modified M116A2
trailer.
(1) Air conditioner Is a horizontal, compact unit rated at 18,000 BTU/HR coolin g capacity and requires 208V, 3
phase, 50/60 Hz power supplied by an external source.
(2) Generator set is diesel engine driven, 10 kW, tactical, utility class, 60 Hz, connectable for 1 phase, 2 wire,
120V; 1 phase, 3 wire, 120/240V; or 3 phase, 4 wire, 120/208V. For this application, the generator set has been prewired
for 3 phase, 4 wire, 120/208V operation so that no wiring harness and no user hookup is required.
(3) Trailer is a 2-wheel, 3/4-ton trailer chassis that has been modified by adding fenders, rails for mounting the
generator set, rails for mounting the air conditioner, a bracket to hold a fire extinguisher, two accessory boxes, one
storage box, and leg prop assembly.
1-8. EQUIPMENT DATA.
GENERAL
Dimensions
Length..................................................................................................145.31 in (369.1 cm)
Width ...................................................................................................71.12 in (180.64 cm)
Height ..................................................................................................67.75 in (172.1 cm)
Weight .................................................................................................2700 lb (1225.8 kg)
Angle of departure ................................................................................33
Center of gravity (measures from center of rear axle) - loaded .................36 1/4 in (92.1 cm)
AIR CONDITIONER
Model ...................................................................................................F18H-3SB
NSN.....................................................................................................4120-01-268-4451
Dimensions
Length..................................................................................................28.0 in (71.12 cm)
Width ...................................................................................................30.0 in (76.2 cm)
Height ..................................................................................................20.0 in (50.8 cm)
Weight .................................................................................................265 lb (120.2 kg)
Power Required
Voltage.................................................................................................208 V
Phase ..................................................................................................3
Hertz ....................................................................................................50/60
Amperage ............................................................................................16
Performance
Cooling Capacity .................................................................................18,000 BTU/HR
Heating Capacity .................................................................................14,300 BTU/HR
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