TM 9-4120-385-14
HEATING AREA. See Figure 1-5.
c.
HEATING ELEMENTS: The heating elements heat the air before it passes through the
evaporator coil while operating in the heat mode.
THERMOSTATIC SWITCH (OVERHEAT SAFETY): The thermostatic switch opens the
heating circuit at 205 F (90 C) and closes at 139 F (61 C).
1 - 1 1 . EQUIPMENT DATA
a. TYPES OF CONDITIONING AVAILABLE.
Air ventilation and filtering.
VENTILATE MODE
Cooling, filtering, and dehumidification.
COOL MODE
High velocity heating.
HI-HEAT MODE
Low velocity heating.
LO-HEAT MODE
Maximum velocity for cooling, ventilating, or heating.
HI-SPEED Fan
Minim um velocity for cooling, ventilating, or heating.
LO-SPEED Fan
b. COOLING CAPACITY. 9,000 BTU/HR at 90 F (32.2 C) dry bulb 75 F (23.9 C)
wet bulb air to evaporator and 120 F (49 C) ambient air conditions.
HEATING CAPACITY (HI-HEAT MODE). 6,000 BTU/HR in ambient of -75 F to
80F (-59.4 C to 26.7 C).
d. CONDITIONED AIRFLOW (MAXIMUM) is 335 SCFM (9.4 m3/m).
