Daikin VRV IV+ RYYQ14U7Y1B Series Installer And User Manual page 4
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Also See for VRV IV+ RYYQ14U7Y1B Series:
- Service manual (200 pages) ,
- Installer and user manual (176 pages) ,
- Installation and operation manual (52 pages)
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Installer and user reference guide
4
18.2.4
To route the refrigerant piping ...................................................................................................................... 85
18.2.5
To connect the refrigerant piping to the outdoor unit ................................................................................. 86
18.2.6
To connect the multi connection piping kit ................................................................................................... 86
18.2.7
To connect the refrigerant branching kit....................................................................................................... 87
18.2.8
To protect against contamination.................................................................................................................. 87
18.2.9
To braze the pipe end..................................................................................................................................... 88
18.2.10 Using the stop valve and service port............................................................................................................ 89
18.2.11 To remove the spun pipes.............................................................................................................................. 91
18.3
Checking the refrigerant piping...................................................................................................................................... 92
18.3.1
About checking the refrigerant piping ........................................................................................................... 92
18.3.2
Checking refrigerant piping: General guidelines ........................................................................................... 93
18.3.3
Checking refrigerant piping: Setup ................................................................................................................ 94
18.3.4
To perform a leak test .................................................................................................................................... 94
18.3.5
To perform vacuum drying............................................................................................................................. 95
18.3.6
To insulate the refrigerant piping .................................................................................................................. 96
18.4
Charging refrigerant........................................................................................................................................................ 96
18.4.1
Precautions when charging refrigerant ......................................................................................................... 96
18.4.2
About charging refrigerant............................................................................................................................. 97
18.4.3
To determine the additional refrigerant amount .......................................................................................... 98
18.4.4
To charge refrigerant: Flow chart .................................................................................................................. 101
18.4.5
To charge refrigerant...................................................................................................................................... 103
18.4.6
Step 6a: To automatically charge refrigerant ................................................................................................ 106
18.4.7
Step 6b: To manually charge refrigerant ....................................................................................................... 107
18.4.8
Error codes when charging refrigerant.......................................................................................................... 108
18.4.9
Checks after charging refrigerant .................................................................................................................. 109
18.4.10 To fix the fluorinated greenhouse gases label............................................................................................... 109
19.1
About connecting the electrical wiring .......................................................................................................................... 110
19.1.1
Precautions when connecting the electrical wiring....................................................................................... 110
19.1.2
Field wiring: Overview .................................................................................................................................... 112
19.1.3
About the electrical wiring ............................................................................................................................. 112
19.1.4
Guidelines when knocking out knockout holes ............................................................................................. 113
19.1.5
About electrical compliance........................................................................................................................... 114
19.1.6
Safety device requirements ........................................................................................................................... 115
19.2
To route and fix the transmission wiring........................................................................................................................ 117
19.3
To connect the transmission wiring ............................................................................................................................... 118
19.4
To finish the transmission wiring.................................................................................................................................... 119
19.5
To route and fix the power supply ................................................................................................................................. 119
19.6
To connect the power supply ......................................................................................................................................... 120
19.7
To check the insulation resistance of the compressor .................................................................................................. 121
20.1
Overview: Configuration................................................................................................................................................. 122
20.2
Making field settings....................................................................................................................................................... 122
20.2.1
About making field settings............................................................................................................................ 122
20.2.2
Field setting components............................................................................................................................... 124
20.2.3
To access the field setting components......................................................................................................... 124
20.2.4
To access mode 1 or 2.................................................................................................................................... 125
20.2.5
To use mode 1 ................................................................................................................................................ 126
20.2.6
To use mode 2 ................................................................................................................................................ 126
20.2.7
Mode 1: Monitoring settings ......................................................................................................................... 127
20.2.8
Mode 2: Field settings .................................................................................................................................... 130
20.2.9
To connect the PC configurator to the outdoor unit..................................................................................... 137
20.3
Energy saving and optimum operation .......................................................................................................................... 137
20.3.1
Available main operation methods................................................................................................................ 138
20.3.2
Available comfort settings.............................................................................................................................. 139
20.3.3
Example: Automatic mode during cooling..................................................................................................... 141
20.3.4
Example: Automatic mode during heating .................................................................................................... 142
20.4
Using the leak detection function .................................................................................................................................. 143
20.4.1
About automatic leak detection .................................................................................................................... 143
20.4.2
To manually perform a leak detection........................................................................................................... 144
21.1
Overview: Commissioning .............................................................................................................................................. 146
21.2
Precautions when commissioning .................................................................................................................................. 146
21.3
Checklist before commissioning..................................................................................................................................... 147
21.4
About the test run........................................................................................................................................................... 148
21.5
To perform a test run...................................................................................................................................................... 149
21.6
Correcting after abnormal completion of the test run .................................................................................................. 150
110
122
146
RYYQ+RYMQ+RXYQ8~20U7Y1B
VRV IV+ heat pump
4P546228-1B - 2020.10
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