Daikin RXP50N5V1B, Installer'S Reference Manual

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Table of contents
Installer reference guide
3
RXF50~71D5V1B
R32 split series
4P519439-18T – 2022.06
9 Electrical installation 47
9.1 About connecting the electrical wiring .......................................................................................................................... 47
9.1.1
Precautions when connecting the electrical wiring....................................................................................... 47
9.1.2 Guidelines when connecting the electrical wiring......................................................................................... 49
9.1.3 Specifications of standard wiring components.............................................................................................. 50
9.2 To connect the electrical wiring to the outdoor unit..................................................................................................... 51
10 Finishing the outdoor unit installation 53
10.1 To finish the outdoor unit installation............................................................................................................................ 53
10.2 To close the outdoor unit ............................................................................................................................................... 53
11 Commissioning 54
11.1 Precautions when commissioning .................................................................................................................................. 54
11.2 Checklist before commissioning..................................................................................................................................... 54
11.3 Checklist during commissioning ..................................................................................................................................... 55
11.4 To perform a test run...................................................................................................................................................... 55
11.5 Starting up the outdoor unit........................................................................................................................................... 56
12 Hand-over to the user 57
13 Maintenance and service 58
13.1 Overview: Maintenance and service .............................................................................................................................. 58
13.2 Maintenance safety precautions.................................................................................................................................... 58
13.3 Checklist for yearly maintenance of the outdoor unit................................................................................................... 59
13.4 About the compressor .................................................................................................................................................... 59
14 Troubleshooting 60
14.1 Overview: Troubleshooting ............................................................................................................................................ 60
14.2 Precautions when troubleshooting ................................................................................................................................ 60
14.3 Solving problems based on symptoms........................................................................................................................... 60
14.3.1
Symptom: Indoor units fall, vibrate or make noise ....................................................................................... 60
14.3.2 Symptom: The unit is NOT heating or cooling as expected........................................................................... 61
14.3.3 Symptom: Water leakage............................................................................................................................... 61
14.3.4 Symptom: Electrical leakage .......................................................................................................................... 61
14.3.5 Symptom: Unit does NOT function or burn damage..................................................................................... 61
14.4 Fault diagnosis using LED on outdoor unit PCB.............................................................................................................. 61
15 Disposal 62
15.1 Overview: Disposal.......................................................................................................................................................... 62
15.2 To pump down ................................................................................................................................................................ 62
15.3 To start and stop forced cooling..................................................................................................................................... 63
15.3.1
To start and stop forced cooling using the indoor unit ON/OFF switch ....................................................... 63
15.3.2 To start and stop forced cooling using the indoor unit user interface ......................................................... 63
16 Technical data 64
16.1 Wiring diagram................................................................................................................................................................ 64
16.1.1
Unified wiring diagram legend ....................................................................................................................... 64
16.2 Piping diagram ................................................................................................................................................................ 67
16.2.1
Piping diagram: Outdoor unit......................................................................................................................... 67
17 Glossary 69