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Page Title: LOCATION AND DESCRIPTION OF MAJOR COMPONENTS.-Continued
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TM5-4120-384-14
1-6. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS.-Continued
J U N C T I O N B O X A N D C O N T R O L P A N E L M O D U L E. Contains major unit
See  items  9  thru  16  for  a  description  of  some  of  these
controls.
controls.
Protects
control
circuit.
Connection  point
INPUT POWER RECEPTACLE (PRIMARY LOCATION).
See  item  36  for  alternate  receptacle.
for
main  input  power  cable.
Contains  switches  and  controls  for
CONTROL PANEL MODULE.
See  items  13,  14,  and  16  for  a
operating  the  air  conditioner.
description  of  these  switches  and  controls.
This  switch  is
HIGH REFRIGERANT PRESSURE CUTOUT SWITCH.
factory set to shut the compressor off if the refrigerant discharge
l i n e  p r e s s u r e  r i s e s  t o  4 3 5  t o  4 5 5  p s i g  ( 3 0 . 5 8  t o  3 1 . 9 9  k g / c m2 ) .
NOTE
This  switch  must  be  hand  reset-after
the
pressure
2
drops  to  320 p s i g  ( 2 2 . 5 0  k g / c m ) .
Protects
the
COMPR CIRCUIT B K R ( C o m p r e s s o r C i r c u i t B r e a k e r ) .
compressor.
MODE SELECTOR SWITCH.
Allows
selection
of
unit
operating
mode.
LOW REFRIGERANT PRESSURE CUTOUT SWITCH.
This  switch  is
factory  set  to  shut  the  compressor  off  if  the  refrigerant  suction
This
l i n e  p r e s s u r e  d r o p s  t o  1 0  t o  2 0  p s i g  ( 0 . 7 0 3  t o  1 . 4 0 6  k g / c m2 ) .
switch  must  be  hand  reset  after  the  pressure  rises  above  40  psig
( 2 . 8 1 2  k g \ c m2 ) .
TEMPERTURE  SELECTOR  (THERMOSTAT)  SWITCH.
This  switch  allows
selection  of  the  desired  temperature  while  operating  in  the  cool  or
heat  modes.
GROUND CONNECTION POINT.
Shelter
or
van
electrical
ground
connection  point.
CONDENSER DISCHARGE AIR LOUVER ASSEMBLY.
This  louver
assembly  is  automatically  controlled  by  the  actuating  cylinder,
item 38.
CONDENSER AIR INLET GUARD.
This
expanded
metal
screen
protects  the  condenser  from  damage.
FRESH AIR VENTILATION GUARD.
Screens
and
filters
fresh
air
entering  the  unit.
1-6

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