Table of contents
Installation manual
3
EHVH04+08SU18+23EA
Daikin Altherma 3 R F
4P629088-1C – 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......... 6
3.1.2 To handle the indoor unit ............................................ 6
3.2 Domestic hot water tank kit ....................................................... 6
3.2.1 To remove the accessories from the domestic hot
water tank kit............................................................... 6
3.3 Checklist for the required DHW accessories............................. 6
4 Unit installation 6
4.1 Preparing the installation site .................................................... 7
4.1.1 Installation site requirements of the indoor unit .......... 7
4.1.2 Special requirements for R32 units............................. 7
4.1.3 Installation patterns..................................................... 8
4.2 Opening and closing the unit..................................................... 10
4.2.1 To open the indoor unit............................................... 10
4.2.2 To lower the switch box on the indoor unit.................. 11
4.2.3 To close the indoor unit............................................... 11
4.3 Mounting the indoor unit............................................................ 12
4.3.1 To install the indoor unit.............................................. 12
4.3.2 To connect the drain hose to the drain ....................... 12
5 Piping installation 12
5.1 Preparing refrigerant piping....................................................... 12
5.1.1 Refrigerant piping requirements.................................. 12
5.1.2 Refrigerant piping insulation ....................................... 13
5.2 Connecting refrigerant piping .................................................... 13
5.2.1 To connect the refrigerant piping to the indoor unit .... 13
5.3 Preparing water piping .............................................................. 13
5.3.1 To check the water volume and flow rate ................... 14
5.4 Connecting water piping............................................................ 14
5.4.1 To connect the water piping........................................ 14
5.4.2 To connect the water piping for domestic hot water ... 15
5.4.3 To connect the recirculation piping ............................. 16
5.4.4 To fill the water circuit ................................................. 16
5.4.5 To fill the domestic hot water tank .............................. 16
5.4.6 To insulate the water piping........................................ 16
6 Electrical installation 16
6.1 About electrical compliance....................................................... 17
6.2 Guidelines when connecting the electrical wiring...................... 17
6.3 Connections to the indoor unit................................................... 17
6.3.1 To connect the main power supply ............................. 18
6.3.2 To connect the backup heater power supply .............. 19
6.3.3 To connect the shut-off valve...................................... 20
6.3.4 To connect the electricity meters ................................ 20
6.3.5 To connect the domestic hot water pump................... 21
6.3.6 To connect the alarm output ....................................... 21
6.3.7 To connect the space cooling/heating ON/OFF
output .......................................................................... 22
6.3.8 To connect the changeover to external heat source... 22
6.3.9 To connect the power consumption digital inputs....... 23
6.3.10 To connect the safety thermostat (normally closed
contact) ....................................................................... 23
6.3.11 To connect a Smart Grid............................................. 24
6.3.12 To connect the WLAN cartridge (delivered as
accessory)................................................................... 26
6.4 After connecting the electrical wiring to the indoor unit ............. 26
7 Configuration 26
7.1 Overview: Configuration ............................................................ 26
7.1.1 To access the most used commands ......................... 26
7.2 Configuration wizard.................................................................. 27
7.2.1 Configuration wizard: Language ................................. 27
7.2.2 Configuration wizard: Time and date ........................... 27
7.2.3 Configuration wizard: System ...................................... 27
7.2.4 Configuration wizard: Backup heater........................... 29
7.2.5 Configuration wizard: Main zone.................................. 29
7.2.6 Configuration wizard: Additional zone.......................... 30
7.2.7 Configuration wizard: Tank .......................................... 30
7.3 Weather-dependent curve.......................................................... 31
7.3.1 What is a weather-dependent curve? .......................... 31
7.3.2 2-points curve .............................................................. 31
7.3.3 Slope-offset curve........................................................ 32
7.3.4 Using weather-dependent curves ................................ 32
7.4 Settings menu ............................................................................ 33
7.4.1 Main zone .................................................................... 33
7.4.2 Additional zone ............................................................ 33
7.4.3 Information................................................................... 33
7.5 Menu structure: Overview installer settings................................ 34
8 Commissioning 35
8.1 Checklist before commissioning................................................. 35
8.2 Checklist during commissioning ................................................. 35
8.2.1 To check the minimum flow rate .................................. 36
8.2.2 To perform an air purge ............................................... 36
8.2.3 To perform an operation test run ................................. 36
8.2.4 To perform an actuator test run ................................... 36
8.2.5 To perform an underfloor heating screed dryout.......... 37
9 Hand-over to the user 37
10 Maintenance and service 38
10.1 Overview: Maintenance and service .......................................... 38
10.2 Maintenance safety precautions................................................. 38
10.3 Checklist for yearly maintenance of the indoor unit.................... 38
10.4 To drain the domestic hot water tank ......................................... 39
10.5 To inspect the inside of the domestic hot water tank ................. 40
10.6 About cleaning the water filter in case of trouble........................ 40
10.6.1 To remove the water filter ............................................ 40
10.6.2 To clean the water filter in case of trouble ................... 41
10.6.3 To install the water filter............................................... 41
11 Technical data 42
11.1 Piping diagram: Indoor unit ........................................................ 42
11.2 Wiring diagram: Indoor unit ........................................................ 43
11.3 Table 1 – Maximum refrigerant charge allowed in a room:
indoor unit................................................................................... 46
11.4 Table 2 – Minimum floor area: indoor unit.................................. 46
11.5 Table 3 – Minimum bottom opening area for natural
ventilation: indoor unit ................................................................ 46
11.6 Technical specifications: Domestic hot water tank..................... 46
11.6.1 Test results in accordance with EN12897 (2016) ........ 46
11.6.2 Warning label............................................................... 47
1 About this document
INFORMATION
Make sure that the user has the printed documentation and
ask him/her to keep it for future reference.
INFORMATION
This unit is a heating only model. Therefore, all references
to cooling in this document are NOT applicable.
Target audience
Authorised installers
Documentation set
This document is part of a documentation set. The complete set
consists of:
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