Technical Changes - Mitsubishi Electric SUZ-KA25VA Service Manual

2

TECHNICAL CHANGES

SUZ-KA25VA.TH
SUZ-KA25VAH.TH
SUZ-KA35VA.TH
SUZ-KA35VAH.TH
1. Inverter P.C. board and Power P.C. board have been changed.
2. Refrigerant circuit has been changed.
• Compressor has been changed. (KNB073FDVH(C) → KNB073FFDHC : SUZ-KA25VA(H)R1.TH)
• Muffler of liquid pipe side has been deleted.
• Muffler of gas pipe side has been changed.
• Capillary tube of liquid pipe side has been added. (SUZ-KA35VA(H)R1.TH)
• 4-way valve and R.V. coil have been changed.
• Specification of LEV body has been changed.
• Stop valve has been changed.
3. Precharged refrigerant amount has been changed. (900g → 800g : SUZ-KA25VA(H)R1.TH)
4. Fan motor has been changed. (RC0J50-AL → RC0J50-DB)
5. Outdoor heat exchanger temperature thermistor (RT68) has been added.
SUZ-KA50VA .TH
1
SUZ-KA60VA .TH
1
1. OUTDOOR ELECTRONIC CONTROL P.C. BOARD has been changed.
2. Compressor has been changed. (SNB130FLDH(1) → SNB130FGBH)
3. High pressure switch has been added. (SUZ-KA60VAR2.TH)
4. Thermistors (RT61, 62, 64, 65, 68) have been changed. (SUZ-KA50VAR2.TH)
SUZ-KA50VA.TH
SUZ-KA60VA.TH
SUZ-KA71VA.TH
1. OUTDOOR ELECTRONIC CONTROL P.C. BOARD has been changed.
2. Max. height difference 15m → 30m (Except when combined with MFZ).
3. Guaranteed operating range
Lower limit (Cooling/Outdoor) -10:DB → -15:DB (Except when combined with MFZ)
SUZ-KA25VA.TH
SUZ-KA35VA.TH
Lower limit (Heating/Outdoor) -10:DB → -15:DB.
SUZ-KA35VAH.TH
Defrost finish temperature has been changed (Refer to 11).
SUZ-A09VR.TH
SUZ-A12VR.TH
1. Indication of capacity has been changed.(BTU base → kW base)
2. Control method between indoor and outdoor unit has been changed.
3. Power supply method has been changed (change to supply from outdoor unit).
4. Terminal block for power supply has been added.
5. Power P.C.board has been changed.
6. Inverter P.C. board has been changed.
7. Refrigerant circuit has been changed.
• Compressor has been changed.(KNB073FBVH → KNB073FDVH:SUZ-KA25VA) (KNB092FAAH → KNB092FCAH:SUZ-KA35VA)
• Specification and position of muffler have been changed.
• Path of outdoor heat exchanger has been changed.
• 4-way valve and R.V. coil have been changed.
• Stop valve has been changed.
8. Fan motor has been changed.(AC → DC)
9. Shape of grille has been changed.
10. Shape of service panel has been changed.
11. Shape of propeller has been changed.
12. Symbol on terminal block has been changed (to S1/S2/S3).
SUZ-KA25VAR1.TH
SUZ-KA25VAHR1.TH
SUZ-KA35VAR1.TH
SUZ-KA35VAHR1.TH
(KNB092FCAH
SUZ-KA50VAR2.TH
SUZ-KA60VAR2.TH
SUZ-KA50VA .TH
1
SUZ-KA60VA .TH
1
.TH
SUZ-KA71VA
1
SUZ-KA25VA.TH
SUZ-KA35VA.TH
→ KNB092FFAHC : SUZ-KA35VA(H)R1.TH)
3