1864 / 1906
HVAC
50
Low Pressure side
in kg/cm
2
( M Pa)
High Pressure side
in kg/cm
2
( M Pa)
Remarks
Symptoms
Possible
reasons
2.5- 3.5
( 0.25 –
0.35)
20-25
( 1.95-2.45)
System pressure is
high.
Only Insufficient
cooling.
Excessive refriger-
ant in the system
causing insufficient
condenser cooling.
Insufficient cool-
ing with low
pressure piping
will be hot.
Air has entered the
system.
In sufficient cool-
ing with frost or
large amount of
dew on low pres-
sure piping.
TXV valve faulty.