Daikin RXF50D5V1B Installer's Reference Manual page 3

RXF50~71D5V1B
R32 split series
4P519439-15Q - 2021.10
8.7 To fix the fluorinated greenhouse gases label ............................................................................................................... 48
9 Electrical installation
9.1 About connecting the electrical wiring .......................................................................................................................... 49
9.1.1 Precautions when connecting the electrical wiring....................................................................................... 49
9.1.2 Guidelines when connecting the electrical wiring......................................................................................... 51
9.1.3 Specifications of standard wiring components.............................................................................................. 52
9.2 To connect the electrical wiring to the outdoor unit..................................................................................................... 52
10 Finishing the outdoor unit installation
10.1 To finish the outdoor unit installation............................................................................................................................ 54
10.2 To close the outdoor unit ............................................................................................................................................... 54
11 Configuration
11.1 Facility setting ................................................................................................................................................................. 55
11.1.1 To set the facility mode.................................................................................................................................. 55
11.2 Standby electricity saving function................................................................................................................................. 55
11.2.1 About the standby electricity saving function ............................................................................................... 55
11.2.2 To turn on standby electricity saving function .............................................................................................. 56
12 Commissioning
12.1 Precautions when commissioning .................................................................................................................................. 57
12.2 Checklist before commissioning..................................................................................................................................... 57
12.3 Checklist during commissioning ..................................................................................................................................... 58
12.4 To perform a test run...................................................................................................................................................... 58
12.5 Starting up the outdoor unit........................................................................................................................................... 59
13 Hand-over to the user
14 Maintenance and service
14.1 Overview: Maintenance and service .............................................................................................................................. 61
14.2 Maintenance safety precautions.................................................................................................................................... 61
14.3 Checklist for yearly maintenance of the outdoor unit................................................................................................... 61
14.4 About the compressor .................................................................................................................................................... 62
15 Troubleshooting
15.1 Overview: Troubleshooting ............................................................................................................................................ 63
15.2 Precautions when troubleshooting ................................................................................................................................ 63
15.3 Solving problems based on symptoms........................................................................................................................... 63
15.3.1 Symptom: Indoor units fall, vibrate or make noise ....................................................................................... 63
15.3.2 Symptom: The unit is NOT heating or cooling as expected........................................................................... 64
15.3.3 Symptom: Water leakage............................................................................................................................... 64
15.3.4 Symptom: Electrical leakage .......................................................................................................................... 64
15.3.5 Symptom: Unit does NOT function or burn damage..................................................................................... 64
15.4 Fault diagnosis using LED on outdoor unit PCB.............................................................................................................. 64
16 Disposal
16.1 Overview: Disposal.......................................................................................................................................................... 65
16.2 To pump down ................................................................................................................................................................ 65
16.3 To start and stop forced cooling..................................................................................................................................... 66
16.3.1 To start and stop forced cooling using the indoor unit ON/OFF switch ....................................................... 66
16.3.2 To start and stop forced cooling using the indoor unit user interface ......................................................... 66
17 Technical data
17.1 Wiring diagram................................................................................................................................................................ 67
17.1.1 Unified wiring diagram legend ....................................................................................................................... 67
17.2 Piping diagram ................................................................................................................................................................ 70
17.2.1 Piping diagram: Outdoor unit......................................................................................................................... 70
18 Glossary
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Installer reference guide
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