Figure 2-2. Rear side. Operator ' s controls and indicators

TM 5-4120-356-14

LOW PRESSURE CUT-OUT RESET BUTTON

HIGH PRESSURE CUT-OUT RESET BUTTON

T h e low pressure cut-out switch

T h e high pressure cut-out switch

stops the unit if compressor suc-

s t o p s the unit if compressor diis-

t i o n pressure f a l l s b e l o w 2 5 p s i g

c h a r g e pressure rises above 460

p s i g ( 3 2 . 3 4 3 k s / c m2 ) . T o r e s t a r t

( 1 . 7 5 8 k s / c m2 ) . To restart the

unit, wait a few minutes for the

the unit, wait a few minutes for

p r e s s u r e to increase, then push

t h e pressure to decrease, then

the low pressure cut-out reset

push the high pressure cut-out

button.

reset button.

SIGHT GLASS

The sight glass indicates the

refrigerant moisture content.

When the indicator is green, the

refrigerant is dry (normal con-

dition). A color shading into

yellow indicates that the refrig-

e r a n t has become contaminated

with moisture. A shortage of re-

frigerant is indicated by bubbles

in the sight glass.

ELECTRICAL RECEPTACLE CONNECTOR

For connection of 208 volt, 50/60

Hz, 3-phase electrical power

source.

CIRCUIT BREAKER KNOB

The circuit breaker cuts off all

electrical power to the unit in

case of an electrical power over-

load. To reset the circuit break-

er, first pull out, then push in

TS5-412035614/2-2

F i g u r e 2-2. Rear side. O p e r a t o r ' s controls and indicators

2-3