LOCATION AND DESCRIPTION OF MAJOR COMPONENTS.-Continued

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.

Protects

control

circuit.

CONTROL CIRCUIT BREAKER.

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

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

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

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