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Contents
Page
Please Read Before Starting Important ....................................................... i
Check of Limit Density Important ................................................................ii
Line Up .........................................................................................................iv
Section 1 : ECO MULTI SYSTEM Unit Specifications........................ I - 1
1. Outdoor Unit ....................................................................................................... I - 3
2. 4-way Air Discharge Semi-concealed Type ........................................................I - 19
3. 2-way Air Discharge Semi-concealed Type ........................................................I - 34
4. 1-way Air Discharge Semi-concealed Type ........................................................I - 48
5. Wall Mounted Type .............................................................................................I - 56
6. Ceiling Mounted Type .........................................................................................I - 66
7. Concealed Duct Type ......................................................................................... I - 78
8. Concealed Duct High Static Pressure Type ........................................................I - 97
9. Floor-Standing Type (F Type) .............................................................................I - 107
10. Concealed Floor-Standing Type (FM Type) ........................................................I - 119
Section 2 : Processes and Functions ................................................ II - 1
1. Compressor Control ............................................................................................ II - 2
2. Reverse Cycle Defrosting ...................................................................................II - 5
3. Reverse Cycle Starting Control...........................................................................II - 6
4. Outdoor Fan Control ........................................................................................... II - 6
5. 4-way Valve Switching Control............................................................................II - 6
6. Save Valve Control ............................................................................................. II - 6
7. Room Temperature Control ................................................................................II - 7
8. Automatic Cooling Control ..................................................................................II - 8
9. Dehumidifying Control......................................................................................... II - 8
10. Heating Preparations .......................................................................................... II - 9
11. Automatic Fan Speed Control .............................................................................II - 10
12. Auto-flap Control ................................................................................................. II - 11
13. Drain Pump Control ............................................................................................ II - 12
14. Indoor Electronic Control Valve...........................................................................II - 12
Section 3 : Service Procedures ......................................................... III - 1
1. Troubleshooting .................................................................................................. III - 2
2. Sensor and Solenoid Layout Diagram ................................................................III - 37
3. Thermistor Characteristic Curve .........................................................................III - 44
4. Test Run ............................................................................................................. III - 45
5. PCBs and Their Location ....................................................................................III - 48
6. Compressor Defects ........................................................................................... III - 51
7. Operation Procedure for Replacing the Compressor ......................................... III - 52
Section 4 : Electrical Data.................................................................. IV - 1
1. Outdoor Unit ....................................................................................................... IV - 2
2. Indoor Unit .......................................................................................................... IV - 10
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