CONTENTS
1. Precaution .................................................................................................................................................... 1
1.1 Safety Precaution .......................................................................................................................... 1
1.2 Warning ......................................................................................................................................... 1
2. Function ........................................................................................................................................................ 6
3. Dimension .................................................................................................................................................... 9
3.1 Indoor Units ................................................................................................................................... 9
3.2 Outdoor Units ............................................................................................................................... 11
4. Refrigerant Cycle Diagram ....................................................................................................................... 12
5. Wiring Diagram .......................................................................................................................................... 13
5.1 Indoor Units ................................................................................................................................. 13
5.2 Outdoor Units .............................................................................................................................. 15
6. Installation details ...................................................................................................................................... 19
6.1 Wrench torque sheet for installation ........................................................................................... 19
6.2 Connecting the cables ................................................................................................................ 19
6.3 Pipe length and the elevation ..................................................................................................... 20
6.4 Air purging with vacuum pump .................................................................................................... 21
6.5 Pumping down (Re-installation) .................................................................................................. 22
6.6 Re-air purging (Re-installation) ................................................................................................... 23
6.7 Balance refrigerant of the 2-way, 3-way valves .......................................................................... 24
6.8 Evacuation .................................................................................................................................. 25
6.9 Gas charging ............................................................................................................................... 26
7. Operation characteristics ......................................................................................................................... 27
8. Electronic function .................................................................................................................................... 28
8.1 Abbreviation ................................................................................................................................ 28
8.2 Display function ........................................................................................................................... 28
8.3 Main Protection ........................................................................................................................... 29
8.4 Operation Modes and Functions ................................................................................................. 30
9. Troubleshooting ......................................................................................................................................... 42
9.1 Indoor unit error display .............................................................................................................. 42
9.2 Diagnosis and Solution ............................................................................................................... 43
Summary of Contents for R ON-OFF series
Page 1: ...SPLIT WALL MOUNTED TYPE R ON OFF SERIES...
Page 8: ...6 2 Function...
Page 11: ...9 3 Dimension 3 1 Indoor Units Figure 1 Figure 2...
Page 14: ...12 4 Refrigerant Cycle Diagram For heat pump models...
Page 15: ...13 5 Wiring Diagram 5 1 Indoor Units KSR1 07HRN1 QC2 A KSR1 09HRN1 QC2 A KSR1 18HRN1 QB8...
Page 16: ...14 KSR1 21HRN1 QB8W KSR1 21CR QB6W KSR1 21HR QB6W KSR1 24HRN1 QB8W...
Page 17: ...15 5 2 Outdoor Units KOK1 07HN1 QC2 KOA1 09HN1 QC2...
Page 18: ...16 KOE 18HN1 QB8...
Page 19: ...17 KOF 21HN1 QB8W K0F2 21C QB6W KOP 21H QB6W...
Page 20: ...18 KOF2 24HN1 QB8W...