CGAD-SVN02C-EN
83
Symptoms
Possible Cause
Procedure
1. Little changes in the high and low
pressures.
1. The compressor is turning
counterclockwise.
1. Change two phases.
2. Suction pressure is extremely low.
2. Check restrictions and lack of
refrigerant.
2. Eliminate leaks and complete
charge. Eliminate restrictions.
3. Compressor does not pump and
the suction and discharge pressures
are low. The compressor is phased
correctly.
3. Compressor is damaged.
3. Check the condition of the oil and
change compressor.
Symptoms
Possible Cause
Procedure
1. Compressor vibrates and makes
noise.
1. The compressor is turning
counterclockwise.
1. Change two phases.
2. Suction pressure is low.
2. Lack of gas and motor overheats.
2. Eliminate leaks and charge gas.
3. Suction pressure is low.
3. Compressor starts repeatedly,
opening the motor's internal
thermostat.
3. Same as above.
Symptoms
Possible Cause
Procedure
1. Low amperage. The high and low
pressures change very little. Rattling
noises. Compressor vibrates too
much.
1. The compressor is turning
counterclockwise.
1. Change two phases.
M. SCROLL COMPRESSOR IS USING TOO LITTLE ENERGY
N. THERMOSTAT COIL OPENS SCROLL COMPRESSOR
O. SCROLL COMPRESSOR WITH INCORRECT ELECTRICAL PHASING
Troubleshooting
Note: These troubleshooting procedures apply to the CGAD Standard units. Troubleshooting with optional components should be checked
with the Technical Assistance Department at Trane do Brasil.
Summary of Contents for CGAD020
Page 36: ...CGAD SVN02C EN 36 Wiring Diagram Fig 17 Power and command wiring diagram CGAD 020C Sheet 1 2...
Page 52: ...CGAD SVN02C EN 52 Wiring Diagram Fig 33 Power and command wiring diagram CGAD 070C Sheet 1 2...
Page 60: ...CGAD SVN02C EN 60 Wiring Diagram Fig 41 Power and command wiring diagram CGAD100 Part I...
Page 61: ...CGAD SVN02C EN 61 Wiring Diagram Fig 42 Power and command wiring diagram CGAD100 Part II...
Page 62: ...CGAD SVN02C EN 62 Wiring Diagram Fig 43 Power and command wiring diagram CGAD100 Part III...
Page 63: ...CGAD SVN02C EN 63 Wiring Diagram Fig 44 Layout diagram CGAD100...
Page 64: ...CGAD SVN02C EN 64 Wiring Diagram Fig 45 Power and command wiring diagram CGAD120 Part I...
Page 65: ...CGAD SVN02C EN 65 Wiring Diagram Fig 46 Power and command wiring diagram CGAD120 Part II...
Page 66: ...CGAD SVN02C EN 66 Wiring Diagram Fig 47 Power and command wiring diagram CGAD 120 Part III...
Page 67: ...CGAD SVN02C EN 67 Wiring Diagram Fig 48 Layout diagram CGAD 120...
Page 68: ...CGAD SVN02C EN 68 Wiring Diagram Fig 49 Power and command wiring diagram CGAD150 Part I...
Page 69: ...CGAD SVN02C EN 69 Wiring Diagram Fig 50 Power and command wiring diagram CGAD150 Part II...
Page 70: ...CGAD SVN02C EN 70 Wiring Diagram Fig 51 Power and command wiring diagram CGAD150 Part III...
Page 71: ...CGAD SVN02C EN 71 Fig 52 Layout diagram CGAD150 Wiring Diagram...
Page 72: ...CGAD SVN02C EN 72 Wiring Diagram Fig 53 Layout diagram CGAD 100 125 150 with optionals...