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Table of contents
Table of contents
3.1
Indoor unit .................................................................................
3.1.1
3.1.2
To handle the indoor unit ............................................
4.1
Preparing the installation site ....................................................
4.1.1
4.1.2
Special requirements for R32 units.............................
4.1.3
Installation patterns.....................................................
4.2
Opening and closing the unit..................................................... 12
4.2.1
To open the indoor unit ............................................... 12
4.2.2
To lower the switch box on the indoor unit.................. 13
4.2.3
To close the indoor unit............................................... 13
4.3
Mounting the indoor unit............................................................ 13
4.3.1
To install the indoor unit.............................................. 13
4.3.2
To connect the drain hose to the drain ....................... 14
5.1
Preparing refrigerant piping....................................................... 14
5.1.1
Refrigerant piping requirements.................................. 14
5.1.2
Refrigerant piping insulation ....................................... 14
5.2
Connecting refrigerant piping .................................................... 15
5.2.1
5.3
Preparing water piping .............................................................. 15
5.3.1
To check the water volume and flow rate ................... 15
5.4
Connecting water piping............................................................ 16
5.4.1
To connect the water piping........................................ 16
5.4.2
To connect the recirculation piping ............................. 17
5.4.3
To fill the water circuit ................................................. 17
5.4.4
To fill the domestic hot water tank .............................. 17
5.4.5
To insulate the water piping ........................................ 17
6.1
About electrical compliance....................................................... 18
6.2
Guidelines when connecting the electrical wiring...................... 18
6.3
Connections to the indoor unit................................................... 18
6.3.1
To connect the main power supply ............................. 19
6.3.2
To connect the backup heater power supply .............. 20
6.3.3
To connect the shut-off valve...................................... 21
6.3.4
To connect the electricity meters ................................ 22
6.3.5
To connect the domestic hot water pump ................... 22
6.3.6
To connect the alarm output ....................................... 22
6.3.7
output .......................................................................... 23
6.3.8
6.3.9
contact) ....................................................................... 24
6.3.10
To connect a Smart Grid............................................. 25
6.3.11
accessory)................................................................... 27
6.4
To install the mounting plate ..................................................... 27
6.5
After connecting the electrical wiring to the indoor unit ............. 27
7.1
Overview: Configuration ............................................................ 27
7.1.1
To access the most used commands ......................... 28
7.2
Configuration wizard.................................................................. 28
7.2.1
Configuration wizard: Language ................................. 28
7.2.2
Configuration wizard: Time and date .......................... 28
7.2.3
Configuration wizard: System ..................................... 29
7.2.4
Configuration wizard: Backup heater .......................... 30
7.2.5
Configuration wizard: Main zone................................. 30
Installation manual
2
7.2.6
Configuration wizard: Additional zone.......................... 31
7.2.7
Configuration wizard: Tank .......................................... 32
7.3
Weather-dependent curve.......................................................... 32
7.3.1
What is a weather-dependent curve? .......................... 32
2
7.3.2
2-points curve .............................................................. 33
7.3.3
Slope-offset curve ........................................................ 33
3
7.3.4
Using weather-dependent curves ................................ 34
7.4
Settings menu ............................................................................ 34
4
7.4.1
Main zone .................................................................... 34
4
7.4.2
Additional zone ............................................................ 35
4
7.4.3
Information ................................................................... 35
5
7.5
Menu structure: Overview installer settings................................ 36
5
5
8.1
Checklist before commissioning................................................. 37
5
8.2
Checklist during commissioning ................................................. 37
5
8.2.1
To check the minimum flow rate .................................. 38
6
8.2.2
To perform an air purge ............................................... 38
8.2.3
To perform an operation test run ................................. 38
8.2.4
To perform an actuator test run ................................... 38
8.2.5
To perform an underfloor heating screed dryout.......... 39
10.1
Piping diagram: Indoor unit ........................................................ 40
14
10.2
Wiring diagram: Indoor unit ........................................................ 41
1
About this document
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
17
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 https://www.daikin.eu. Use the search
function
to find your model.
▪ Installation manual - Outdoor unit:
▪ Installation instructions
▪ Format: Paper (in the box of the outdoor unit)
▪ Installation manual - Indoor unit:
27
▪ 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 https://www.daikin.eu. Use the search
function
to find your model.
37
39
40
ELVZ12S18+23E
Daikin Altherma 3 R MT F
4P708476-1 - 2023.03
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