Mitsubishi Electric MXZ-2A20NA - 1, Руководство по обслуживанию

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TECHNICAL CHANGES
2
1
MXZ-2A20NA
New model
MXZ-30TN2 MXZ-3A30NA
1. Combinations of connectable indoor units have been increased.
2. capacity (BTU/h) class of connectable indoor units have been made larger.
3. Compressor has been changed. (THV247FBA TNB220FMCH)
4. Outdoor fan motor has been changed. (RA6N60-AA RC0J60-AB)
5. Refrigerant has been changed. (R22 R410A)
6. Refrigerant system diagram has been changed.
• 1 of 2 high pressure switch has been removed.
• Accumulator has been removed.
• Receiver has been added.
7. Communication system has been changed.
8. Power supply way has been changed (change to supply to outdoor unit).
9. Evaporation temperature thermistor has been added.
10. Ambient temperature thermistor has been added.
MXZ-2A20NA MXZ-2A20NA -
1
1. Compressor has been changed. (SNB130FPDH1 SNB130FQBH1)
2. Gas pipe temperature thermistor has been removed.
3. Pre-heat control has been added.
4. Electronic control P.C. board has been changed.
5. Power board has been changed.
MXZ-3A30NA MXZ-3A30NA -
1
1. Ball valve has been changed to stop valve.
2. Gas pipe temperature thermistor has been removed.
3. Pre-heat control has been added.
4. Auto line correcting function has been added.
5. Noise filter P.C. board has been changed.
6. Electronic control P.C. board has been changed.
7. Weight has been changed. (158lb. 148lb.)
Revision A:
• RoHS PARTS LIST has been added.
Revision B:
• MXZ-2A20NA -
1
and MXZ-3A30NA -
1
have been added.
Revision C:
• MXZ-4A36NA has been added.
Revision D:
• MXZ-2A20NA -
2
has been added.
Revision E:
• Wiring diagrams of MXZ-2A20NA -
2
MXZ-4A36NA have been corrected.
Revision F:
• Indoor units combinations for SEZ series have been added.
Revision G:
• SPECIFICATION, NOISE CRITERIA CURVES and OPTIONAL PARTS have been modified.