Daikin ARXM71N2V1B9 User Manual

Table of contents
Installer reference guide
3
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 Precautions when charging refrigerant ......................................................................................................... 39
6.6.4 To determine the additional refrigerant amount.......................................................................................... 39
6.6.5 To determine the complete recharge amount.............................................................................................. 39
6.6.6 To charge additional refrigerant .................................................................................................................... 40
6.6.7 To fix the fluorinated greenhouse gases label............................................................................................... 40
6.7 Connecting the electrical wiring..................................................................................................................................... 41
6.7.1 About connecting the electrical wiring.......................................................................................................... 41
6.7.2 Precautions when connecting the electrical wiring....................................................................................... 41
6.7.3 Guidelines when connecting the electrical wiring......................................................................................... 42
6.7.4 Specifications of standard wiring components.............................................................................................. 43
6.7.5 To connect the electrical wiring on the outdoor unit ................................................................................... 44
6.8 Finishing the outdoor unit installation ........................................................................................................................... 45
6.8.1 To finish the outdoor unit installation ........................................................................................................... 45
6.8.2 To close the outdoor unit............................................................................................................................... 45
7 Configuration 47
7.1 Facility setting ................................................................................................................................................................. 47
7.1.1 To set the facility mode.................................................................................................................................. 47
7.2 Standby electricity saving function................................................................................................................................. 47
7.2.1 About the standby electricity saving function ............................................................................................... 47
7.2.2 To turn on standby electricity saving function .............................................................................................. 48
8 Commissioning 49
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
9 Hand-over to the user 52
10 Maintenance and service 53
10.1 Overview: Maintenance and service .............................................................................................................................. 53
10.2 Maintenance safety precautions .................................................................................................................................... 53
10.3 Checklist for yearly maintenance of the outdoor unit................................................................................................... 53
10.4 About the compressor .................................................................................................................................................... 54
11 Troubleshooting 55
11.1 Overview: Troubleshooting ............................................................................................................................................ 55
11.2 Precautions when troubleshooting ................................................................................................................................ 55
11.3 Solving problems based on symptoms........................................................................................................................... 55
11.3.1 Symptom: Indoor units fall, vibrate or make noise ....................................................................................... 55
11.3.2 Symptom: The unit is NOT heating or cooling as expected........................................................................... 55
11.3.3 Symptom: Water leakage............................................................................................................................... 56
11.3.4 Symptom: Electrical leakage .......................................................................................................................... 56
11.3.5 Symptom: Unit does NOT function or burn damage..................................................................................... 56
11.4 Fault diagnosis using LED on outdoor unit PCB.............................................................................................................. 56
12 Disposal 57
12.1 Overview: Disposal.......................................................................................................................................................... 57
12.2 To pump down ................................................................................................................................................................ 57
12.3 To start and stop forced cooling..................................................................................................................................... 58
12.3.1 To start and stop forced cooling using the indoor unit ON/OFF switch ....................................................... 58
12.3.2 To start and stop forced cooling using the indoor unit user interface ......................................................... 58
13 Technical data 59
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
14 Glossary 66

Daikin ARXM71N2V1B9 Specifications

General

Brand	Daikin
Model	ARXM71N2V1B9
Category	Air Conditioner
Language	English