Daikin EWAA Series, Installation Manual

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Table of contents
Installation manual
5
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620240-1 – 2020.06
Table of contents
1 About the documentation 5
1.1 About this document.................................................................. 5
2 Specific installer safety instructions 6
3 About the box 7
3.1 Outdoor unit............................................................................... 7
3.1.1 To remove the accessories from the outdoor unit....... 7
4 Unit installation 7
4.1 Preparing the installation site .................................................... 7
4.1.1 Installation site requirements of the outdoor unit ........ 7
4.2 Mounting the outdoor unit.......................................................... 8
4.2.1 To provide the installation structure ............................ 8
4.2.2 To install the outdoor unit............................................ 8
4.2.3 To provide drainage .................................................... 9
4.2.4 To install the discharge grille ...................................... 9
4.3 Opening and closing the unit..................................................... 9
4.3.1 To open the outdoor unit............................................. 9
4.3.2 To close the outdoor unit ............................................ 10
5 Piping installation 10
5.1 Preparing water piping .............................................................. 10
5.1.1 To check the water volume and flow rate ................... 10
5.2 Connecting water piping ............................................................ 11
5.2.1 To connect the water piping........................................ 11
5.2.2 To fill the water circuit ................................................. 11
5.2.3 To protect the water circuit against freezing ............... 11
5.2.4 To insulate the water piping ........................................ 12
6 Electrical installation 13
6.1 About electrical compliance....................................................... 13
6.2 Guidelines when connecting the electrical wiring...................... 13
6.3 Connections to the outdoor unit ................................................ 13
6.3.1 To connect the electrical wiring to the outdoor unit..... 14
6.3.2 To connect the main power supply ............................. 14
6.3.3 To connect the user interface ..................................... 16
6.3.4 To connect the shut-off valve...................................... 17
6.3.5 To connect the electricity meters ................................ 17
6.3.6 To connect the alarm output ....................................... 18
6.3.7 To connect the space cooling/heating ON/OFF
output .......................................................................... 18
6.3.8 To connect the changeover to external heat source... 19
6.3.9 To connect the power consumption digital inputs ....... 19
6.3.10 To connect the safety thermostat (normally closed
contact) ....................................................................... 19
6.3.11 To connect a Smart Grid............................................. 20
6.3.12 External backup heater kit .......................................... 21
7 Finishing the outdoor unit installation 24
7.1 To check the insulation resistance of the compressor .............. 24
8 Configuration 24
8.1 Overview: Configuration ............................................................ 24
8.1.1 To access the most used commands ......................... 25
8.2 Configuration wizard.................................................................. 26
8.2.1 Configuration wizard: Language ................................. 26
8.2.2 Configuration wizard: Time and date .......................... 26
8.2.3 Configuration wizard: System ..................................... 26
8.2.4 Configuration wizard: Backup heater .......................... 27
8.2.5 Configuration wizard: Main zone................................. 27
8.2.6 Configuration wizard: Additional zone......................... 28
8.3 Weather-dependent curve......................................................... 29
8.3.1 What is a weather-dependent curve? ......................... 29
8.3.2 2-points curve ............................................................. 29
8.3.3 Slope-offset curve ....................................................... 29
8.3.4 Using weather-dependent curves ............................... 30
8.4 Settings menu ............................................................................ 30
8.4.1 Main zone .................................................................... 31
8.4.2 Additional zone ............................................................ 31
8.4.3 Information ................................................................... 31
8.5 Menu structure: Overview installer settings................................ 32
9 Commissioning 33
9.1 Checklist before commissioning ................................................. 33
9.2 Checklist during commissioning ................................................. 33
9.2.1 To check the minimum flow rate .................................. 33
9.2.2 To perform an air purge ............................................... 33
9.2.3 To perform an operation test run ................................. 34
9.2.4 To perform an actuator test run ................................... 34
9.2.5 To perform an underfloor heating screed dryout.......... 34
10 Hand-over to the user 34
11 Technical data 36
11.1 Piping diagram: Outdoor unit...................................................... 36
11.2 Wiring diagram: Outdoor unit ..................................................... 37
1 About the documentation
1.1 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 outdoor unit)
▪ Operation manual:
▪ Quick guide for basic usage
▪ Format: Paper (in the box of the outdoor 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:
▪ Installation instructions
▪ Format: Paper (in the box of the outdoor 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/
▪ Addendum book for optional equipment:
▪ Additional info about how to install optional equipment
▪ Format: Paper (in the box of the outdoor unit) + 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.