RYYQ+RYMQ+RXYQ8~20U7Y1B
VRV IV+ heat pump
4P546228-1B - 2020.10
11.2.5
11.2.6
11.2.7
11.2.8
11.2.9
14.1
15.1
About LOOP BY DAIKIN ................................................................................................................................................... 51
15.2
Overview: About the box ................................................................................................................................................ 51
15.3
To unpack the outdoor unit............................................................................................................................................ 52
15.4
15.5
Accessory pipes: Diameters............................................................................................................................................ 53
15.6
To remove the transportation stay ................................................................................................................................ 54
16.1
16.2
16.3
About the outdoor unit................................................................................................................................................... 56
16.4
System layout.................................................................................................................................................................. 56
16.5
Combining units and options.......................................................................................................................................... 57
16.5.1
16.5.2
16.5.3
16.5.4
17.1
Preparing the installation site......................................................................................................................................... 61
17.1.1
17.1.2
17.1.3
17.2
Opening the unit ............................................................................................................................................................. 66
17.2.1
About opening the units................................................................................................................................. 66
17.2.2
To open the outdoor unit............................................................................................................................... 66
17.2.3
17.3
Mounting the outdoor unit............................................................................................................................................. 68
17.3.1
18.1
Preparing refrigerant piping ........................................................................................................................................... 70
18.1.1
18.1.2
Refrigerant piping insulation.......................................................................................................................... 71
18.1.3
To select the piping size ................................................................................................................................. 71
18.1.4
18.1.5
About the piping length.................................................................................................................................. 76
18.1.6
Piping length: VRV DX only............................................................................................................................. 76
18.1.7
18.1.8
18.1.9
18.2
Connecting the refrigerant piping .................................................................................................................................. 83
18.2.1
18.2.2
18.2.3
Table of contents
47
48
49
50
51
55
61
70
Installer and user reference guide
3
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