'11 • KX-T-166
CONTENTS
1 GENERAL INFORMATION ............................................................................... 1
1.1 Increased indoor unit connection capacity
................................................... 1
1.2 How to read the model name
....................................................................... 1
1.3 Branch pipe set and Header pipe set
........................................................... 1
2 OUTDOOR UNIT
............................................................................................... 2
2.1 Specifications
............................................................................................... 2
9 OUTDOOR UNIT (Service code L) ............................................................. 153
9.1 Exterior dimensions .................................................................................. 153
2.2 Exterior dimensions
..................................................................................... 3
2.3 Electrical wiring
............................................................................................ 6
2.4 Noise level
................................................................................................... 7
3 RANGE OF USAGE & LIMITATIONS
.............................................................. 8
4 SELECTION CHART
...................................................................................... 10
5 PIPING SYSTEM
............................................................................................ 17
6 APPLICATION DATA
..................................................................................... 19
6.1
Cautionsforreuseofexistingpipes
......................................................... 19
6.2 Installation of outdoor unit
.......................................................................... 22
6.3 Method for connecting the accessory pipe
................................................ 38
6.4 Installation work check sheet (For heat pump unit)
................................... 39
6.5 Check operation procedure
........................................................................ 41
6.6 Instructions for installing the branch pipe set (option)
................................ 49
6.7 Service valve kit installation manual
.......................................................... 53
6.8 Pipe washing check sheet
......................................................................... 55
6.9 Instruction manual piping re-fresh kit
......................................................... 56
7 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER
.................. 58
7.1 Operation control function by the outdoor controller
.................................. 58
8 SYSTEM TROUBLESHOOTING PROCEDURE
............................................ 89
8.1 Basics of troubleshooting
........................................................................... 89
8.2 Explanation of troubleshooting
................................................................... 90
8.3 Contents of troubleshooting
....................................................................... 91
8.4 Outdoor unit control PCB replacement procedure
................................... 146
8.5 Inverter PCB replacement procedure
...................................................... 148
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