Daikin EWYA006D2V3P Installer's Reference Manual page 2

Table of contents
Installer reference guide
2
Table of contents
1 About this document
1.1 Meaning of warnings and symbols.................................................................................................................................
1.2 Installer reference guide at a glance ..............................................................................................................................
2 General safety precautions
2.1 For the installer ...............................................................................................................................................................
2.1.1 General ...........................................................................................................................................................
2.1.2 Installation site ............................................................................................................................................... 10
2.1.3 Refrigerant — in case of R410A or R32.......................................................................................................... 10
2.1.4 Water .............................................................................................................................................................. 12
2.1.5 Electrical ......................................................................................................................................................... 12
3 Specific installer safety instructions
4 About the box
4.1 Outdoor unit ................................................................................................................................................................... 18
4.1.1 To unpack the outdoor unit ........................................................................................................................... 18
4.1.2 To remove the accessories from the outdoor unit........................................................................................ 18
5 About the units and options
5.1 Identification ................................................................................................................................................................... 20
5.1.1 Identification label: Outdoor unit .................................................................................................................. 20
5.2 Combining units and options.......................................................................................................................................... 21
5.2.1 Possible options for the outdoor unit ............................................................................................................ 21
6 Application guidelines
6.1 Overview: Application guidelines ................................................................................................................................... 24
6.2 Setting up the space heating/cooling system ................................................................................................................ 25
6.2.1 Single room..................................................................................................................................................... 26
6.2.2 Multiple rooms – One LWT zone ................................................................................................................... 30
6.2.3 Multiple rooms – Two LWT zones.................................................................................................................. 33
6.3 Setting up an auxiliary heat source for space heating ................................................................................................... 36
6.4 Setting up the energy metering...................................................................................................................................... 39
6.4.1 Produced heat ................................................................................................................................................ 39
6.4.2 Consumed energy........................................................................................................................................... 40
6.4.3 Power supply layouts with power meters ..................................................................................................... 40
6.5 Setting up the power consumption control ................................................................................................................... 43
6.5.1 Permanent power limitation .......................................................................................................................... 44
6.5.2 Power limitation activated by digital inputs .................................................................................................. 44
6.5.3 Power limitation process................................................................................................................................ 45
6.5.4 BBR16 power limitation.................................................................................................................................. 46
6.6 Setting up an external temperature sensor ................................................................................................................... 47
7 Unit installation
7.1 Preparing the installation site......................................................................................................................................... 48
7.1.1 Installation site requirements of the outdoor unit........................................................................................ 48
7.1.2 Additional installation site requirements of the outdoor unit in cold climates............................................ 51
7.2 Mounting the outdoor unit............................................................................................................................................. 52
7.2.1 About mounting the outdoor unit ................................................................................................................. 52
7.2.2 Precautions when mounting the outdoor unit .............................................................................................. 52
7.2.3 To provide the installation structure ............................................................................................................. 52
7.2.4 To install the outdoor unit ............................................................................................................................. 53
7.2.5 To provide drainage........................................................................................................................................ 55
7.3 Opening and closing the unit.......................................................................................................................................... 56
7.3.1 About opening the units................................................................................................................................. 56
7.3.2 To open the outdoor unit............................................................................................................................... 56
7.3.3 To rotate the switch box ................................................................................................................................ 57
7.3.4 To close the outdoor unit............................................................................................................................... 58
8 Piping installation
8.1 Preparing water piping ................................................................................................................................................... 59
8.1.1 Water circuit requirements............................................................................................................................ 59
8.1.2 Formula to calculate the expansion vessel pre-pressure .............................................................................. 61
8.1.3 To check the water volume and flow rate ..................................................................................................... 61
8.1.4 Changing the pre-pressure of the expansion vessel...................................................................................... 64
8.1.5 To check the water volume: Examples .......................................................................................................... 64
8.2 Connecting water piping................................................................................................................................................. 65
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EWAA004~008D + EWYA004~008D
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688013-1C – 2023.05
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