Daikin RDXYQ5T8V1B Installer And User Manual page 4
Heat pump for indoor installation
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Also See for RDXYQ5T8V1B:
- Installation and operation manual (48 pages) ,
- Installer and user reference manual (156 pages)
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Installer and user reference guide
4
16.2.3
Pipe bending guidelines ................................................................................................................................. 72
16.2.4
To braze the pipe end..................................................................................................................................... 72
16.2.5
Using the stop valve and service port............................................................................................................ 72
16.2.6
To remove the pinched pipes......................................................................................................................... 73
16.2.7
To connect the refrigerant piping to the compressor unit............................................................................ 75
16.2.8
To connect the refrigerant piping to the heat exchanger unit...................................................................... 76
16.2.9
To connect the refrigerant branching kit....................................................................................................... 78
16.3
Checking the refrigerant piping...................................................................................................................................... 78
16.3.1
About checking the refrigerant piping ........................................................................................................... 78
16.3.2
Checking refrigerant piping: General guidelines ........................................................................................... 79
16.3.3
Checking refrigerant piping: Setup ................................................................................................................ 79
16.3.4
To perform a leak test .................................................................................................................................... 80
16.3.5
To perform vacuum drying............................................................................................................................. 81
16.3.6
To insulate the refrigerant piping .................................................................................................................. 81
16.4
Charging refrigerant........................................................................................................................................................ 82
16.4.1
About charging refrigerant............................................................................................................................. 82
16.4.2
Precautions when charging refrigerant ......................................................................................................... 83
16.4.3
To determine the additional refrigerant amount .......................................................................................... 83
16.4.4
To charge refrigerant...................................................................................................................................... 84
16.4.5
Error codes when charging refrigerant.......................................................................................................... 87
16.4.6
To fix the fluorinated greenhouse gases label............................................................................................... 87
17.1
About connecting the electrical wiring .......................................................................................................................... 88
17.1.1
Precautions when connecting the electrical wiring....................................................................................... 88
17.1.2
Field wiring: Overview .................................................................................................................................... 90
17.1.3
Guidelines when knocking out knockout holes ............................................................................................. 92
17.1.4
About electrical compliance........................................................................................................................... 92
17.1.5
Safety device requirements ........................................................................................................................... 92
17.2
To connect the electrical wiring on the compressor unit .............................................................................................. 93
17.3
To connect the electrical wiring on the heat exchanger unit ........................................................................................ 96
17.4
To close the compressor unit ......................................................................................................................................... 97
17.5
To close the heat exchanger unit ................................................................................................................................... 97
17.6
To check the insulation resistance of the compressor .................................................................................................. 98
18.1
Overview: Configuration................................................................................................................................................. 99
18.2
Making field settings....................................................................................................................................................... 99
18.2.1
About making field settings............................................................................................................................ 99
18.2.2
To access the field setting components......................................................................................................... 100
18.2.3
Field setting components............................................................................................................................... 100
18.2.4
To access mode 1 or 2.................................................................................................................................... 102
18.2.5
To use mode 1 (and default situation)........................................................................................................... 103
18.2.6
To use mode 2 ................................................................................................................................................ 104
18.2.7
Mode 1 (and default situation): Monitoring settings .................................................................................... 105
18.2.8
Mode 2: Field settings .................................................................................................................................... 109
18.2.9
To connect the PC configurator to the compressor unit............................................................................... 113
18.3
Energy saving and optimum operation .......................................................................................................................... 113
19.1
Precautions when commissioning .................................................................................................................................. 114
19.2
Checklist before commissioning..................................................................................................................................... 114
19.3
Checklist during commissioning ..................................................................................................................................... 116
19.3.1
About the test run .......................................................................................................................................... 116
19.3.2
To perform a test run (7-LEDs display) .......................................................................................................... 116
19.3.3
To perform a test run (7-segment display).................................................................................................... 117
19.3.4
Correcting after abnormal completion of the test run.................................................................................. 118
21.1
Overview: Maintenance and service .............................................................................................................................. 121
21.2
Maintenance safety precautions.................................................................................................................................... 121
21.2.1
To prevent electrical hazards ......................................................................................................................... 121
21.3
Checklist for yearly maintenance of the heat exchanger unit ....................................................................................... 122
21.4
About service mode operation....................................................................................................................................... 122
21.4.1
To use vacuum mode ..................................................................................................................................... 122
21.4.2
To recover refrigerant .................................................................................................................................... 123
22.1
Overview: Troubleshooting ............................................................................................................................................ 124
114
120
121
124
RKXYQ5T8+8T7Y1B + RDXYQ5T8+8T7V1B
VRV IV heat pump for indoor installation
4P499898-1B - 2021.12
88
99
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Table of Contents
Troubleshooting
