System Diagnosis

Pressure and Relationship Chart

Condition

Suction

Head Pressure

T1 Inlet

T2 Outlet

T3 Suction

Wattage

 

Pressure

Variation from

Temperature

Temperature

Temperature

Variation from

 

Variation

Normal

Variation from

Variation from

Variation from

Normal

 

from Normal

 

Normal

Normal

Normal

 

 

 

 

 

 

 

 

Refrigerant

Increase

Increase

Warmer

Warmer

Colder

Increase

Overcharge

 

 

 

 

 

 

 

 

 

 

 

 

 

Refrigerant

 

Decrease or Increase

 

 

 

 

Decrease

See "Refrigerant

Colder

Warmer

Warmer

Decrease

Shortage

 

Shortage Symptoms"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Partial

 

Decrease or Increase

 

 

 

 

Decrease

See "Restriction

Colder

Warmer

Warmer

Decrease

Restriction

 

Symptoms"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Air in System

Near Normal

Increase

Warmer

Warmer

Warmer

Increase

 

 

 

 

 

 

 

Low Ambient

 

 

 

 

 

 

Installation

 

 

 

 

 

 

(Reverse for

Decrease

Decrease

Colder

Warmer

Warmer

Decrease

High Ambient

 

 

 

 

 

 

Installation)

 

 

 

 

 

 

 

 

 

 

 

 

 

Additional

Increase

Increase

Warmer

Warmer

Warmer

Increase

Heat Load

 

 

 

 

 

 

 

 

 

 

 

 

 

Inefficient

Increase

Normal or Decrease

Warmer or Colder

Warmer

Warmer

Decrease

Compressor

 

 

 

 

 

 

 

 

 

 

 

 

 

RS1200001

10

November 1996

Page 10
Image 10
Amana Bottom Mount Refrigerator service manual System Diagnosis, Pressure and Relationship Chart