Daikin EWAA016DAV3P - Default Chapter; Table of Contents

Table of contents
Installer reference guide
2
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620242-1 – 2020.06
Table of contents
1 About the documentation 5
1.1 About this document ...................................................................................................................................................... 5
1.2 Meaning of warnings and symbols................................................................................................................................. 6
1.3 Installer reference guide at a glance .............................................................................................................................. 7
2 General safety precautions 9
2.1 For the installer............................................................................................................................................................... 9
2.1.1 General ........................................................................................................................................................... 9
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 15
4 About the box 19
4.1 Overview: About the box ................................................................................................................................................ 19
4.2 Outdoor unit ................................................................................................................................................................... 19
4.2.1 To handle the outdoor unit............................................................................................................................ 19
4.2.2 To unpack the outdoor unit ........................................................................................................................... 20
4.2.3 To remove the accessories from the outdoor unit........................................................................................ 21
5 About the units and options 23
5.1 Identification ................................................................................................................................................................... 23
5.1.1 Identification label: Outdoor unit .................................................................................................................. 23
5.2 Combining units and options.......................................................................................................................................... 24
5.2.1 Possible options for the outdoor unit............................................................................................................ 24
6 Application guidelines 27
6.1 Overview: Application guidelines ................................................................................................................................... 27
6.2 Setting up the space heating/cooling system ................................................................................................................ 28
6.2.1 Single room..................................................................................................................................................... 29
6.2.2 Multiple rooms – OneLWT zone ................................................................................................................... 33
6.2.3 Multiple rooms – TwoLWT zones.................................................................................................................. 38
6.3 Setting up an auxiliary heat source for space heating ................................................................................................... 41
6.4 Setting up the energy metering...................................................................................................................................... 44
6.4.1 Produced heat ................................................................................................................................................ 44
6.4.2 Consumed energy........................................................................................................................................... 44
6.4.3 Power supply layouts with power meters ..................................................................................................... 45
6.5 Setting up the power consumption control ................................................................................................................... 48
6.5.1 Permanent power limitation.......................................................................................................................... 48
6.5.2 Power limitation activated by digital inputs .................................................................................................. 49
6.5.3 Power limitation process................................................................................................................................ 50
6.5.4 BBR16 power limitation.................................................................................................................................. 51
6.6 Setting up an external temperature sensor ................................................................................................................... 51
7 Unit installation 53
7.1 Preparing the installation site......................................................................................................................................... 53
7.1.1 Installation site requirements of the outdoor unit........................................................................................ 53
7.1.2 Additional installation site requirements of the outdoor unit in cold climates............................................ 55
7.2 Mounting the outdoor unit............................................................................................................................................. 56
7.2.1 About mounting the outdoor unit ................................................................................................................. 56
7.2.2 Precautions when mounting the outdoor unit.............................................................................................. 56
7.2.3 To provide the installation structure ............................................................................................................. 57
7.2.4 To install the outdoor unit ............................................................................................................................. 57
7.2.5 To provide drainage........................................................................................................................................ 58
7.2.6 To install the discharge grille.......................................................................................................................... 60
7.3 Opening and closing the unit.......................................................................................................................................... 60
7.3.1 About opening the units................................................................................................................................. 60
7.3.2 To open the outdoor unit............................................................................................................................... 61
7.3.3 To close the outdoor unit............................................................................................................................... 61
8 Piping installation 62
8.1 Preparing water piping ................................................................................................................................................... 62
8.1.1 Water circuit requirements............................................................................................................................ 62
8.1.2 Formula to calculate the expansion vessel pre-pressure .............................................................................. 64
8.1.3 To check the water volume and flow rate ..................................................................................................... 64