Table Of Contents - Daikin EWYA004D2V3P Installer's Reference Manual
Packaged air-cooled water chillers and packaged air to water heat pumps
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Also See for EWYA004D2V3P:
- Installer's reference manual (236 pages) ,
- User reference manual (60 pages) ,
- Installation manual (44 pages)
Table of Contents
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Table of contents
Installer reference guide
2
Table of contents
1.1
Meaning of warnings and symbols.................................................................................................................................
1.2
Installer reference guide at a glance ..............................................................................................................................
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
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
5.1
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
6.1
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
7.1
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............................................ 50
7.2
Mounting the outdoor unit............................................................................................................................................. 51
7.2.1
About mounting the outdoor unit ................................................................................................................. 51
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........................................................................................................................................ 54
7.2.6
To prevent the outdoor unit from falling over .............................................................................................. 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............................................................................................................................... 57
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
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48
59
EWAA004~008D + EWYA004~008D
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688013-1B - 2022.09
6
7
9
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Table of Contents
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