ARMY TM 9-4120-380-14
NAVY EE-000-BA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-21
CHAPTER 2
OPERATING INSTRUCTIONS
Section I. DESCRIPTION AND USE OF OPERATOR'S CONTROLS AND
INDICATORS
2.1
GENERAL. The air conditioner is designed for a variety of installations and for operation under a wide range of
climate conditions. Operators must be aware of any peculiarities or operational limitations for their specific installation.
See the appropriate shelter or system manual for instructions peculiar to your specific installation.
2.2
indicators with which an operator will normally be concerned For specific operating instructions, see Sections III and IV of
this chapter.
a.
PRIME UNIT SELECT Toggle Switch (l) Allows selection of unit as primary or backup.
b.
MODE SELECT Rotary Switch (2). Allows selection of mode of operation (see paragraph 2.8 through 2.12).
c.
POWER ON (3) (green) Indicates power available.
d.
HEAT (4) (green) Indicates HEAT mode on.
e.
COOL (5) (green). Indicates COOL mode on
f.
CIRCULATE (6) (green) Indicates VENT mode on.
g.
HIGH DISC PRESS (7) (red) Indicates pressure too high in discharge line
h.
LOW SUC PRESS (8) (red) Indicates pressure too low in suction line.
i.
DIRTY FILTER (9) (red) Indicates return air filter requires servicing.
j.
FAULT RESET Push Button (10) Used to reset circuits after unit has been repaired..
2-1