Daikin SERHQ032BAW1, Installer And User Manual

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Table of contents
Installer and user reference guide
2
SERHQ020~0 SEHVX20~64BAW
Split packaged air-cooled water chiller
4P508020-1A – 2018.01
Table of contents
1 General safety precautions 3
1.1 About the documentation .......................................................... 3
1.1.1 Meaning of warnings and symbols.............................. 3
1.2 For the user ............................................................................... 4
1.3 For the installer.......................................................................... 4
1.3.1 General ....................................................................... 4
1.3.2 Installation site ............................................................ 4
1.3.3 Refrigerant .................................................................. 5
1.3.4 Brine............................................................................ 5
1.3.5 Water .......................................................................... 6
1.3.6 Electrical ..................................................................... 6
2 About the documentation 6
2.1 About this document.................................................................. 6
2.2 Installer and user reference guide at a glance .......................... 7
For the installer 7
3 About the box 7
3.1 Overview: About the box ........................................................... 7
3.2 Outdoor unit............................................................................... 7
3.2.1 To unpack the outdoor unit ......................................... 7
3.2.2 To handle the outdoor unit .......................................... 8
3.2.3 To remove the accessories from the outdoor unit....... 8
3.3 Indoor unit ................................................................................. 8
3.3.1 To unpack the indoor unit ........................................... 8
3.3.2 To handle the indoor unit ............................................ 8
3.3.3 To remove the accessories from the indoor unit......... 9
4 About the units and options 9
4.1 Overview: About the units and options...................................... 9
4.2 Identification .............................................................................. 9
4.2.1 Identification label: Outdoor unit ................................. 9
4.2.2 Identification label: Indoor unit .................................... 9
4.2.3 About the outdoor unit................................................. 9
4.2.4 About the indoor unit................................................... 10
4.2.5 About combining units and options ............................. 10
4.2.6 Operation range .......................................................... 10
4.3 Combining units and options ..................................................... 10
4.3.1 Possible options for the split system........................... 10
4.4 System layout ............................................................................ 10
5 Preparation 10
5.1 Overview: Preparation ............................................................... 10
5.2 Preparing the installation site .................................................... 11
5.2.1 Installation site requirements of the outdoor unit ........ 11
5.2.2 Installation site requirements of the indoor unit .......... 12
5.3 Preparing refrigerant piping ....................................................... 12
5.3.1 Refrigerant piping requirements.................................. 12
5.3.2 To select the piping size ............................................. 12
5.3.3 About the piping length ............................................... 13
5.4 Preparing water piping .............................................................. 13
5.4.1 Water circuit requirements .......................................... 13
5.4.2 Formula to calculate the expansion vessel pre-
pressure ...................................................................... 14
5.4.3 To check the water volume and expansion vessel
pre-pressure................................................................ 14
5.4.4 Changing the pre-pressure of the expansion vessel... 15
5.4.5 To check the water volume: Examples ....................... 15
5.5 Preparing electrical wiring ......................................................... 15
5.5.1 About preparing electrical wiring................................. 15
5.5.2 About electrical compliance ........................................ 16
5.5.3 Cable requirements..................................................... 16
5.5.4 Safety device requirements ........................................ 16
6 Installation 16
6.1 Overview: Installation ................................................................. 16
6.2 Opening the units ....................................................................... 17
6.2.1 About opening the units ............................................... 17
6.2.2 To open the outdoor unit.............................................. 17
6.2.3 To open the indoor unit ................................................ 17
6.2.4 To open the electrical component box of the outdoor
unit ............................................................................... 17
6.2.5 To open the electrical component box of the indoor
unit ............................................................................... 18
6.3 Mounting the outdoor unit........................................................... 18
6.3.1 About mounting the outdoor unit.................................. 18
6.3.2 Precautions when mounting the outdoor unit............... 18
6.3.3 To provide the installation structure ............................. 18
6.3.4 To provide drainage ..................................................... 18
6.4 Mounting the indoor unit ............................................................. 18
6.4.1 About mounting the indoor unit .................................... 18
6.4.2 Precautions when mounting the indoor unit................. 19
6.4.3 To provide the installation structure ............................. 19
6.5 Connecting the refrigerant piping ............................................... 19
6.5.1 Precautions when connecting the refrigerant piping .... 19
6.5.2 To braze the pipe end .................................................. 20
6.5.3 Using the stop valve and service port .......................... 20
6.5.4 To connect the refrigerant piping to the outdoor unit ... 21
6.5.5 To connect the refrigerant piping to the indoor unit ..... 22
6.6 Checking the refrigerant piping .................................................. 23
6.6.1 About checking the refrigerant piping .......................... 23
6.6.2 Precautions when checking the refrigerant piping ....... 23
6.6.3 Checking refrigerant piping: Setup............................... 23
6.6.4 To check for leaks: Pressure leak test ......................... 23
6.6.5 To perform vacuum drying ........................................... 23
6.6.6 To insulate the refrigerant piping ................................. 24
6.7 Charging refrigerant ................................................................... 24
6.7.1 About charging refrigerant ........................................... 24
6.7.2 Precautions when charging refrigerant ........................ 24
6.7.3 To determine the additional refrigerant amount ........... 25
6.7.4 To charge refrigerant ................................................... 25
6.7.5 Error codes when charging refrigerant......................... 27
6.7.6 Final adjustment of the refrigerant amount .................. 27
6.7.7 To input the additional refrigerant charge weight......... 28
6.7.8 Checks after charging refrigerant................................. 28
6.7.9 To fix the fluorinated greenhouse gases label ............. 28
6.8 Connecting the water piping ....................................................... 29
6.8.1 About connecting the water piping............................... 29
6.8.2 Precautions when connecting the water piping............ 29
6.8.3 To connect the water piping......................................... 29
6.8.4 To fill the water circuit .................................................. 29
6.8.5 To insulate the water piping ......................................... 29
6.9 Connecting the electrical wiring.................................................. 29
6.9.1 About connecting the electrical wiring.......................... 29
6.9.2 Precautions when connecting electrical wiring ............ 30
6.9.3 Field wiring: Overview.................................................. 31
6.9.4 About the electrical wiring ............................................ 31
6.9.5 To route and fix the power supply................................ 31
6.9.6 To connect the power supply of the outdoor unit ......... 32
6.9.7 To connect the power supply and transmission
cables........................................................................... 33
6.9.8 Guidelines when knocking out knockout holes ............ 33
6.9.9 To install the user interface.......................................... 34
6.9.10 To install optional equipment ....................................... 34
7 Configuration 35
7.1 Overview: Configuration ............................................................. 35
7.2 Making field settings ................................................................... 35
7.2.1 About making field settings .......................................... 35
7.2.2 Field setting components ............................................. 35
7.2.3 To access the field setting components....................... 35
7.2.4 To access mode 1 or 2 ................................................ 36
7.2.5 To use mode 1 ............................................................. 36
7.2.6 To use mode 2 ............................................................. 36