ARXM50~71+RXM42~71N2V1B(9) + RXP50~71M2V1B +
RXA42+50+RXF50+60B2V1B + RXF71A2V1B + RXJ50N2V1B +
ARXF50~71A2V1B
R32 split series
4P513661-7H - 2019.12
6.6.3
6.6.4
6.6.5
6.6.6
6.6.7
6.7
Connecting the electrical wiring..................................................................................................................................... 41
6.7.1
6.7.2
6.7.3
6.7.4
6.7.5
6.8
6.8.1
6.8.2
To close the outdoor unit............................................................................................................................... 45
7.1
Facility setting ................................................................................................................................................................. 47
7.1.1
To set the facility mode.................................................................................................................................. 47
7.2
7.2.1
7.2.2
8.1
Overview: Commissioning .............................................................................................................................................. 49
8.2
Precautions when commissioning .................................................................................................................................. 49
8.3
Checklist before commissioning..................................................................................................................................... 49
8.4
Checklist during commissioning ..................................................................................................................................... 50
8.5
To perform a test run...................................................................................................................................................... 50
8.6
Starting up the outdoor unit........................................................................................................................................... 51
10.1
10.2
Maintenance safety precautions.................................................................................................................................... 53
10.3
10.4
About the compressor .................................................................................................................................................... 54
11.1
Overview: Troubleshooting ............................................................................................................................................ 55
11.2
Precautions when troubleshooting ................................................................................................................................ 55
11.3
11.3.1
11.3.2
11.3.3
Symptom: Water leakage............................................................................................................................... 56
11.3.4
Symptom: Electrical leakage .......................................................................................................................... 56
11.3.5
11.4
12.1
Overview: Disposal.......................................................................................................................................................... 57
12.2
To pump down ................................................................................................................................................................ 57
12.3
To start and stop forced cooling..................................................................................................................................... 58
12.3.1
12.3.2
13.1
Wiring diagram................................................................................................................................................................ 59
13.1.1
Unified wiring diagram legend ....................................................................................................................... 59
13.2
Piping diagram ................................................................................................................................................................ 62
13.2.1
Piping diagram: Outdoor unit......................................................................................................................... 62
Table of contents
47
49
52
53
55
57
59
66
Installer reference guide
3