Basic Climate Control
Diagnosis and Repair
Possible Cause
Low-pressure side:
Below 0.08 MPa (0.8 bar)
High-pressure side:
0.8 MPa (8 bar)
Insufficient refrigerant
Low-pressure side:
0.25 MPa (2.5 bar)
High-pressure side:
2.0 MPa (20 bar)
Excessive refrigerant or
insufficent condenser cooling
Low-pressure side:
0.25 MPa (2.5 bar)
High-pressure side:
2.3 MPa (23 bar)
Air in system
Low-pressure side:
0.05 MPa (0.5 bar) to 1.5 MPa (15 bar)
High-pressure side:
0.7 MPa (7 bar) to 1.5 MPa (15 bar)
Moisture in system
Low-pressure side:
0.075 MPa (0.75 bar)
High-pressure side:
0.6 MPa (6 bar)
No refrigerant circulation
Low-pressure side:
0.25 MPa (2.5 bar)
High-pressure side:
2.0 MPa (20 bar)
Expansion valve stuck open
Low-pressure side:
0.5 MPa (5 bar)
High-pressure side:
0.85 MPa (8.5 bar)
Faulty compressor
L1005_T001
Measured Pressure
Curriculum Training
05-3
Summary of Contents for CT-L1005
Page 1: ...Training Manual Basic Climate Control CT L1005...
Page 20: ...Fundamentals Basic Climate Control Notes 02 14 Curriculum Training...
Page 52: ...A C System Basic Climate Control Notes 03 32 Curriculum Training...
Page 66: ...List of Abbreviations Basic Climate Control Notes 06 2 Curriculum Training...
