Daikin EKHWET90BAV3, Installation Manual

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Table of contents
Installation manual
3
EKHWET90~120BAV3
R32 Split series – Domestic hot water tank
4P680074-1 – 2021.11
Table of contents
1 About this document 3
2 Specific installer safety instructions 4
3 About the box 5
3.1 Indoor unit ................................................................................. 5
3.1.1 To remove the accessories from the indoor unit......... 5
4 Unit installation 5
4.1 Preparing the installation site .................................................... 5
4.1.1 Installation site requirements of the indoor unit .......... 5
4.1.2 Special requirements for R32 units............................. 5
4.1.3 Installation patterns..................................................... 6
4.2 Opening and closing the unit..................................................... 9
4.2.1 To open the indoor unit ............................................... 9
4.2.2 To close the indoor unit............................................... 9
4.3 Mounting the indoor unit............................................................ 10
4.3.1 To install the indoor unit.............................................. 10
5 Piping installation 10
5.1 Preparing refrigerant piping ....................................................... 10
5.1.1 Refrigerant piping requirements.................................. 10
5.2 Connecting refrigerant piping .................................................... 10
5.2.1 To connect the refrigerant piping to the indoor unit .... 10
5.3 Preparing water piping .............................................................. 11
5.4 Connecting water piping ............................................................ 11
5.4.1 To connect the water piping........................................ 11
5.4.2 To fill the domestic hot water tank .............................. 11
6 Electrical installation 11
6.1 About electrical compliance....................................................... 11
6.2 Guidelines when connecting the electrical wiring...................... 11
6.3 Connections to the indoor unit................................................... 11
6.3.1 To connect the main power supply ............................. 11
6.3.2 To connect the booster heater power supply.............. 12
6.3.3 To connect the WLAN cartridge (delivered as
accessory)................................................................... 13
7 Configuration 13
7.1 Overview: Configuration ............................................................ 13
7.1.1 To access the most used commands ......................... 13
7.2 Configuration wizard.................................................................. 14
7.2.1 Configuration wizard: Language ................................. 14
7.2.2 Configuration wizard: Time and date .......................... 14
7.2.3 Configuration wizard: System ..................................... 14
7.2.4 Configuration wizard: Tank ......................................... 15
7.3 Weather-dependent curve......................................................... 15
7.3.1 What is a weather-dependent curve? ......................... 15
7.3.2 2-points curve ............................................................. 16
7.3.3 Slope-offset curve ....................................................... 16
7.3.4 Using weather-dependent curves ............................... 16
7.4 Settings menu ........................................................................... 17
7.4.1 Information .................................................................. 17
7.5 Menu structure: Overview installer settings............................... 17
8 Commissioning 18
8.1 Checklist before commissioning ................................................ 18
8.2 Checklist during commissioning ................................................ 18
8.2.1 To perform an operation test run ................................ 18
8.2.2 To perform an actuator test run .................................. 18
9 Hand-over to the user 19
10 Technical data 20
10.1 Piping diagram: Indoor unit ....................................................... 20
10.2 Wiring diagram: Indoor unit ....................................................... 21
1 About this document
Target audience
Authorised installers
Documentation set
This document is part of a documentation set. The complete set
consists of:
▪ General safety precautions:
▪ Safety instructions that you must read before installing
▪ Format: Paper (in the box of the indoor unit)
▪ Operation manual:
▪ Quick guide for basic usage
▪ Format: Paper (in the box of the indoor unit)
▪ User reference guide:
▪ Detailed step-by-step instructions and background information
for basic and advanced usage
▪ Format: Digital files on http://www.daikineurope.com/support-
and-manuals/product-information/
▪ Installation manual – Outdoor unit:
▪ Installation instructions
▪ Format: Paper (in the box of the outdoor unit)
▪ Installation manual – Indoor unit:
▪ Installation instructions
▪ Format: Paper (in the box of the indoor unit)
▪ Installer reference guide:
▪ Preparation of the installation, good practices, reference
data, …
▪ Format: Digital files on http://www.daikineurope.com/support-
and-manuals/product-information/
Latest revisions of the supplied documentation may be available on
the regional Daikin website or via your dealer.
The original documentation is written in English. All other languages
are translations.
Technical engineering data
▪ A subset of the latest technical data is available on the regional
Daikin website (publicly accessible).
▪ The full set of latest technical data is available on the Daikin
Business Portal (authentication required).
Online tools
In addition to the documentation set, some online tools are available
for installers:
▪ Heating Solutions Navigator
▪ Digital toolbox that offers a variety of tools to facilitate the
installation and configuration of heating systems.
▪ To access Heating Solutions Navigator, registration to the
Stand By Me platform is required. For more information, see
https://professional.standbyme.daikin.eu .
▪ Daikin e-Care
▪ Mobile app for installers and service technicians that allows you
to register, configure and troubleshoot heating systems.
▪ The mobile app can be downloaded for iOS and Android
devices using the QR codes below. Registration to the Stand
By Me platform is required to access the app.