RXTJ-A_RXTA-C_RXTM-A_RXTP-A
R32 split series
4P728168-1 - 2023.03
9.1
9.1.1
9.1.2
9.1.3
9.2
10.1
10.2
Closing the unit ............................................................................................................................................................... 50
10.2.1
To close the outdoor unit............................................................................................................................... 50
11.1
Overview: Commissioning .............................................................................................................................................. 51
11.2
Precautions when commissioning .................................................................................................................................. 51
11.3
Checklist before commissioning..................................................................................................................................... 52
11.4
Checklist during commissioning ..................................................................................................................................... 52
11.5
To perform a test run...................................................................................................................................................... 52
11.6
Starting up the outdoor unit........................................................................................................................................... 53
13.1
13.2
Maintenance safety precautions.................................................................................................................................... 56
13.3
13.4
About the compressor .................................................................................................................................................... 56
14.1
Overview: Troubleshooting ............................................................................................................................................ 58
14.2
Precautions when troubleshooting ................................................................................................................................ 58
14.3
14.3.1
14.3.2
14.3.3
Symptom: Water leakage............................................................................................................................... 59
14.3.4
Symptom: Electrical leakage .......................................................................................................................... 59
14.3.5
14.4
15.1
Overview: Disposal.......................................................................................................................................................... 60
15.2
To pump down ................................................................................................................................................................ 60
15.3
To start and stop forced cooling..................................................................................................................................... 61
15.3.1
15.3.2
16.1
Wiring diagram................................................................................................................................................................ 62
16.1.1
Unified wiring diagram legend ....................................................................................................................... 62
16.2
Piping diagram ................................................................................................................................................................ 65
16.2.1
Piping diagram: Outdoor unit......................................................................................................................... 65
Table of contents
50
51
54
55
58
60
62
66
Installer reference guide
3