Daikin EKHWSU180D3V3 [3/24] About the documentation
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Daikin EKHWSU180D3V3 [3/24] About the documentation

Daikin EKHWSU180D3V3 [3/24] About the documentation
Table of contents
Installation manual
3
EKHWSU150~300D3V3 + EKEXPVES
Domestic hot water tank with option kit for air to water heat pump
system
4P510673-1B – 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 installer.......................................................................... 4
1.2.1 General ....................................................................... 4
1.2.2 Installation site ............................................................ 4
1.2.3 Water .......................................................................... 4
1.2.4 Electrical ..................................................................... 4
2 About the documentation 5
2.1 About this document.................................................................. 5
3 About the box 5
3.1 Overview: About the box ........................................................... 5
3.2 Domestic hot water tank............................................................ 6
3.2.1 To unpack the domestic hot water tank ...................... 6
3.2.2 To remove the accessories from the domestic hot
water tank ................................................................... 6
4 About the units and options 6
4.1 Overview: About the units and options...................................... 6
4.2 Identification .............................................................................. 6
4.2.1 Identification label: Domestic hot water tank............... 6
5 Preparation 7
5.1 Overview: Preparation............................................................... 7
5.2 Preparing the installation site .................................................... 7
5.2.1 Installation site requirements of the domestic hot
water tank ................................................................... 7
5.3 Preparing water piping .............................................................. 7
5.3.1 Water circuit requirements.......................................... 7
5.4 Preparing electrical wiring ......................................................... 8
5.4.1 About preparing electrical wiring................................. 8
5.4.2 Safety device requirements ........................................ 8
6 Installation 8
6.1 Overview: Installation ................................................................ 8
6.2 Opening the units ...................................................................... 8
6.2.1 To open the switch box cover of the domestic hot
water tank ................................................................... 8
6.3 Mounting the domestic hot water tank....................................... 8
6.3.1 Precautions when mounting the indoor unit................ 8
6.3.2 To install the domestic hot water tank......................... 8
6.4 Connecting the water piping...................................................... 8
6.4.1 About connecting the water piping.............................. 8
6.4.2 Precautions when connecting the water piping........... 9
6.4.3 To connect the water piping........................................ 9
6.4.4 To fill the domestic hot water tank .............................. 10
6.4.5 To insulate the water piping........................................ 10
6.4.6 To connect the 3-way valve ........................................ 10
6.5 Connecting the electrical wiring................................................. 11
6.5.1 About connecting the electrical wiring......................... 11
6.5.2 To connect the electrical wiring on the indoor unit...... 11
6.5.3 To connect the electrical wiring on the outdoor unit.... 12
6.5.4 To connect the electrical wiring on the domestic hot
water tank ................................................................... 13
6.6 Finishing the domestic hot water tank installation ..................... 14
6.6.1 To close the domestic hot water tank ......................... 14
7 Commissioning 14
7.1 Overview: Commissioning......................................................... 14
7.2 Checklist before commissioning................................................ 14
7.3 Checklist during commissioning ................................................ 14
8 Hand-over to the user 14
9 Maintenance and service 14
9.1 Overview: Maintenance and service .......................................... 15
9.2 Maintenance safety precautions................................................. 15
9.3 Checklist for yearly maintenance of the domestic hot water
tank............................................................................................. 15
10 Troubleshooting 16
10.1 Overview: Troubleshooting......................................................... 16
10.2 Precautions when troubleshooting ............................................. 16
10.3 Solving problems based on symptoms....................................... 16
10.3.1 Symptom: No water flow from hot taps........................ 16
10.3.2 Symptom: The water from the hot taps is cold............. 16
10.3.3 Symptom: Intermittent water discharge ....................... 16
10.3.4 Symptom: Continuous water discharge ....................... 16
11 Disposal 17
12 Technical data 18
12.1 Components: Domestic hot water tank ...................................... 18
12.2 Components: G3 kit.................................................................... 18
12.3 Outlook diagram ......................................................................... 19
12.4 Wiring diagram: Domestic hot water tank................................... 19
13 Glossary 20
1 General safety precautions
1.1 About the documentation
▪ The original documentation is written in English. All other
languages are translations.
▪ The precautions described in this document cover very important
topics, follow them carefully.
▪ The installation of the system, and all activities described in the
installation manual and the installer reference guide MUST be
performed by an authorised installer.
1.1.1 Meaning of warnings and symbols
DANGER
Indicates a situation that results in death or serious injury.
DANGER: RISK OF ELECTROCUTION
Indicates a situation that could result in electrocution.
DANGER: RISK OF BURNING
Indicates a situation that could result in burning because of
extreme hot or cold temperatures.
DANGER: RISK OF EXPLOSION
Indicates a situation that could result in explosion.
WARNING
Indicates a situation that could result in death or serious
injury.
WARNING: FLAMMABLE MATERIAL
CAUTION
Indicates a situation that could result in minor or moderate
injury.
NOTICE
Indicates a situation that could result in equipment or
property damage.

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