Service Manual
2
Use the specied refrigerant only
Never use any refrigerant other than that specied.
Doing so may cause a burst, an explosion, or re when the unit is being used, serviced, or disposed of.
Correct refrigerant is specied in the manuals and on the spec labels provided with our products.
We will not be held responsible for mechanical failure, system malfunction, unit breakdown or accidents caused by
failure to follow the instructions.
Revision A:
• MXZ-3C24NA, MXZ-3C30NA and MXZ-4C36NA have been added.
Revision B:
• MXZ-3C24/3C30/4C36/5C42NA2 and MXZ-2C20/3C24/3C30NAHZ2-
U1
have been added.
Revision C:
• 4. SPECIFICATION has been changed.
• Some descriptions have been modified.
Revision D:
• Connectable indoor unit lineups have been modified.
• WIRING DIAGRAM (7.) and TEST POINT DIAGRAM AND VOLTAGE (12-7.) have been changed.
Revision E:
• Capacity and input curve have been corrected.
Revision F:
• MXZ-2C20NA2 -
U1
has been added.
Revision G:
• 5. NOISE CRITERIA CURVES has been changed.
Revision H:
• MSZ-FS·NA series have been added to INDOOR / OUTDOOR UNIT COMPATIBILITY TABLE.
• 2. SAFETY PRECAUTION has been added.
• 9-2. CAPACITY AND THE INPUT CURVES has been modied.
• 12. TROUBLESHOOTING has been modied.
OBH702H