Daikin R32 Split Series Installer's Reference Manual page 3

ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B + RXA42+50B2V1B +
RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B + ARXF50~71A2V1B
R32 split series
4P513661-9J - 2020.05
8.5 To determine the complete recharge amount .............................................................................................................. 47
8.6 To charge additional refrigerant..................................................................................................................................... 47
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..................................................................................................... 53
10 Finishing the outdoor unit installation
10.1 To finish the outdoor unit installation............................................................................................................................ 55
10.2 To close the outdoor unit ............................................................................................................................................... 55
11 Configuration
11.1 Facility setting ................................................................................................................................................................. 56
11.1.1 To set the facility mode.................................................................................................................................. 56
11.2 Standby electricity saving function................................................................................................................................. 56
11.2.1 About the standby electricity saving function ............................................................................................... 56
11.2.2 To turn on standby electricity saving function .............................................................................................. 57
12 Commissioning
12.1 Precautions when commissioning .................................................................................................................................. 58
12.2 Checklist before commissioning..................................................................................................................................... 58
12.3 Checklist during commissioning ..................................................................................................................................... 59
12.4 To perform a test run...................................................................................................................................................... 59
12.5 Starting up the outdoor unit........................................................................................................................................... 60
13 Hand-over to the user
14 Maintenance and service
14.1 Overview: Maintenance and service .............................................................................................................................. 62
14.2 Maintenance safety precautions.................................................................................................................................... 62
14.3 Checklist for yearly maintenance of the outdoor unit................................................................................................... 62
14.4 About the compressor .................................................................................................................................................... 63
15 Troubleshooting
15.1 Overview: Troubleshooting ............................................................................................................................................ 64
15.2 Precautions when troubleshooting ................................................................................................................................ 64
15.3 Solving problems based on symptoms........................................................................................................................... 64
15.3.1 Symptom: Indoor units fall, vibrate or make noise ....................................................................................... 64
15.3.2 Symptom: The unit is NOT heating or cooling as expected........................................................................... 65
15.3.3 Symptom: Water leakage............................................................................................................................... 65
15.3.4 Symptom: Electrical leakage .......................................................................................................................... 65
15.3.5 Symptom: Unit does NOT function or burn damage..................................................................................... 65
15.4 Fault diagnosis using LED on outdoor unit PCB.............................................................................................................. 65
16 Disposal
16.1 Overview: Disposal.......................................................................................................................................................... 66
16.2 To pump down ................................................................................................................................................................ 66
16.3 To start and stop forced cooling..................................................................................................................................... 67
16.3.1 To start and stop forced cooling using the indoor unit ON/OFF switch ....................................................... 67
16.3.2 To start and stop forced cooling using the indoor unit user interface ......................................................... 67
17 Technical data
17.1 Wiring diagram................................................................................................................................................................ 68
17.1.1 Unified wiring diagram legend ....................................................................................................................... 68
17.2 Piping diagram ................................................................................................................................................................ 71
17.2.1 Piping diagram: Outdoor unit......................................................................................................................... 71
18 Glossary
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Installer reference guide
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