Viking VCBB360R - System Performance Diagnosis; Pressure-Temperature Relationship Chart

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System Diagnosis
Pressure and Temperature Relationship Chart
(See Service Procedures for additional information about items in this chart.)
Condition Suction Head T1 Inlet T2 Outlet T3 Suction Wattage
Pressure Pressure Temperature Temperature Temperature Variation
Variation Variation Variation Variation Variation from Normal
from Normal from Normal from Normal from Normal from Normal
Refrigerant
Overcharge Increase Increase Warmer Warmer Colder Increase
Refrigerant
Shortage Decrease Decrease or Colder Warmer Warmer Decrease
Increase
(Restriction
Symptoms)
Partial
Restriction Decrease Decrease or Colder Warmer Warmer Decrease
Increase
(Restriction
Symptoms)
Air in
System Near Normal Increase Warmer Warmer Warmer Increase
Low
Ambient Decrease Decrease Colder Warmer Warmer Decrease
Installation
(Reverse
from High
Ambient
Installation)
Additional
Heat Load Increase Increase Warmer Warmer Warmer Increase
Inefficient
Compressor Increase Normal or Warmer or Warmer Warmer Decrease
Decrease Colder