10.1 Piping Materials ...................................................................................................... 101
10.2 Flare and Connector .............................................................................................. 104
10.3 Caution about outdoor unit Installation ................................................................... 105
10.4 Piping Connection .................................................................................................. 107
11. Electrical wiring ............................................................................................................ 117
11.1 General Inspection ................................................................................................. 117
11.2 Wiring .................................................................................................................... 118
11.3 Electrical Wiring for Outdoor Unit ......................................................................... 120
11.4 Electrical Wiring Connection of Indoor Unit, Outdoor Unit and Switch Box .......... 122
12. Additional Refrigerant Charge ...................................................................................... 124
12.1 Air-Tight Test ......................................................................................................... 124
12.2 Vacuuming .............................................................................................................. 126
12.3 Additional Refrigerant Charge Calculation .............................................................. 127
12.4 Charging Work ........................................................................................................ 128
12.5 Automatic Simple Judgement System for Refrigerant Amount ............................ 129
12.6 Consideration ........................................................................................................ 130
13. Setting of DIP Switches ............................................................................................... 131
13.1 Function of RSW, DSWs and LEDs ....................................................................... 131
13.2 Function of RSW、DSW、LED .............................................................................. 133
13.3 Procedure of Checking Each Main Parts .............................................................. 134
13.4 Procedure of Checking Other Main Parts ............................................................. 135
13.5 Communication Settings ....................................................................................... 140
14. Test Run ....................................................................................................................... 141
14.1 Before Test Run ................................................................................................... 141
14.2 Test
Run By Wired Controller ................................................................................ 142
14.3 Trial Operation via Outdoor Unit ............................................................................ 144
15. Check and troubleshooting .......................................................................................... 148
15.1 Overview of Inspection ......................................................................................... 148
15.2 Inspection Operations ........................................................................................... 151
15.3 Spot Inspection and Troubleshooting ................................................................... 152
15.4 Troubleshooting ..................................................................................................... 162
15.5 Trouble shooting in the detection mode ................................................................ 243
16. Appendix ...................................................................................................................... 260
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