Daikin VRV IV+ Installer And User Reference Manual page 3
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Also See for VRV IV+:
- Service manual (476 pages) ,
- Installer and user reference manual (176 pages) ,
- Installation and operation manual (52 pages)
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VRV IV+ heat pump
4P546228-1A - 2019.10
6.4.3
To route the refrigerant piping ...................................................................................................................... 52
6.4.4
To connect the refrigerant piping to the outdoor unit ................................................................................. 52
6.4.5
To connect the multi connection piping kit ................................................................................................... 53
6.4.6
Multiple outdoor units: Knockout holes ........................................................................................................ 54
6.4.7
To connect the refrigerant branching kit....................................................................................................... 54
6.4.8
To protect against contamination.................................................................................................................. 54
6.4.9
To braze the pipe end..................................................................................................................................... 55
6.4.10
Using the stop valve and service port............................................................................................................ 56
6.4.11
To remove the pinched pipes......................................................................................................................... 57
6.5
Checking the refrigerant piping...................................................................................................................................... 59
6.5.1
About checking the refrigerant piping ........................................................................................................... 59
6.5.2
Checking refrigerant piping: General guidelines ........................................................................................... 60
6.5.3
Checking refrigerant piping: Setup ................................................................................................................ 60
6.5.4
To perform a leak test .................................................................................................................................... 61
6.5.5
To perform vacuum drying............................................................................................................................. 61
6.6
To insulate the refrigerant piping................................................................................................................................... 62
6.7
Charging refrigerant........................................................................................................................................................ 63
6.7.1
Precautions when charging refrigerant ......................................................................................................... 63
6.7.2
About charging refrigerant............................................................................................................................. 64
6.7.3
To determine the additional refrigerant amount .......................................................................................... 64
6.7.4
To charge refrigerant: Flow chart .................................................................................................................. 67
6.7.5
To charge refrigerant...................................................................................................................................... 69
6.7.6
Step 6a: To automatically charge refrigerant ................................................................................................ 72
6.7.7
Step 6b: To manually charge refrigerant ....................................................................................................... 73
6.7.8
Error codes when charging refrigerant.......................................................................................................... 74
6.7.9
Checks after charging refrigerant .................................................................................................................. 75
6.7.10
To fix the fluorinated greenhouse gases label............................................................................................... 75
6.8
Connecting the electrical wiring..................................................................................................................................... 76
6.8.1
Precautions when connecting the electrical wiring....................................................................................... 76
6.8.2
Field wiring: Overview .................................................................................................................................... 77
6.8.3
About the electrical wiring ............................................................................................................................. 78
6.8.4
Guidelines when knocking out knockout holes ............................................................................................. 79
6.8.5
To route and fix the transmission wiring ....................................................................................................... 79
6.8.6
To connect the transmission wiring............................................................................................................... 80
6.8.7
To finish the transmission wiring ................................................................................................................... 81
6.8.8
To route and fix the power supply ................................................................................................................. 81
6.8.9
To connect the power supply......................................................................................................................... 82
7.1
Overview: Configuration................................................................................................................................................. 84
7.2
Making field settings....................................................................................................................................................... 84
7.2.1
About making field settings............................................................................................................................ 84
7.2.2
Field setting components............................................................................................................................... 85
7.2.3
To access the field setting components......................................................................................................... 86
7.2.4
To access mode 1 or 2.................................................................................................................................... 86
7.2.5
To use mode 1 ................................................................................................................................................ 87
7.2.6
To use mode 2 ................................................................................................................................................ 88
7.2.7
Mode 1: Monitoring settings ......................................................................................................................... 89
7.2.8
Mode 2: Field settings .................................................................................................................................... 92
7.2.9
To connect the PC configurator to the outdoor unit..................................................................................... 99
7.3
Energy saving and optimum operation .......................................................................................................................... 99
7.3.1
Available main operation methods................................................................................................................ 99
7.3.2
Available comfort settings.............................................................................................................................. 100
7.3.3
Example: Automatic mode during cooling..................................................................................................... 103
7.3.4
Example: Automatic mode during heating .................................................................................................... 104
7.4
Using the leak detection function .................................................................................................................................. 105
7.4.1
About automatic leak detection .................................................................................................................... 105
7.4.2
To manually perform a leak detection........................................................................................................... 105
8.1
Overview: Commissioning .............................................................................................................................................. 108
8.2
Precautions when commissioning .................................................................................................................................. 108
8.3
Checklist before commissioning..................................................................................................................................... 109
8.4
About the test run........................................................................................................................................................... 110
8.5
To perform a test run...................................................................................................................................................... 111
8.6
Correcting after abnormal completion of the test run .................................................................................................. 112
8.7
Operating the unit........................................................................................................................................................... 112
9.1
Overview: Maintenance and service .............................................................................................................................. 113
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Installer and user reference guide
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