System Diagnosis; Pressure And Temperature Relationship Chart - Amana ATX 518 VW Service Manual

System Diagnosis

Pressure and Temperature Relationship Chart

See " Service Procedures" section for additional information about items in this chart.
For specific temperatures and pressure, see Technical Data Sheet for unit being repaired.
Suction
Pressure
Variation
from Normal
Condition
Refrigerant
Increase
Overcharge
Refrigerant
Decrease
Shortage
Partial
Decrease
Restriction
Air in Near Normal
system
Low
Decrease
Ambient
Installation
(Reverse
from High
Ambient
Installation)
Additional
Increase
Heat Load
Inefficient
Increase
Compressor
RS5280001 Rev. 0
Head T1 Inlet
Pressure Temperature
Variation Variation
from Normal from Normal
Increase Warmer
Decrease or Colder
Increase
(Restriction
Symptoms)
Decrease or Colder
Increase
(Restriction
Symptoms)
Increase Warmer
Decrease Colder
Increase Warmer
Normal or Warmer or
Decrease Colder
22
T2 Outlet T3 Suction
Temperature Temperature
Variation Variation
from Normal from Normal
Warmer Colder
Warmer Warmer
Warmer Warmer
Warmer Warmer
Warmer Warmer
Warmer Warmer
Warmer Warmer
Wattage
Variation
from Normal
Increase
Decrease
Decrease
Increase
Decrease
Increase
Decrease