Table of Contents
Installer reference guide
2
EBLQ+EDLQ011~0W1 + EK(2)CB07CAV3
Daikin Altherma low temperature monobloc
4P538847-1 – 2018.05
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
Refrigerant ..................................................................
4
1.2.4
Brine............................................................................
5
1.2.5
Water ..........................................................................
5
1.2.6
Electrical .....................................................................
5
2 About the documentation
6
2.1
About this document..................................................................
6
2.2
Installer reference guide at a glance .........................................
6
3 About the box
7
3.1
Overview: About the box ...........................................................
7
3.2
Outdoor unit...............................................................................
7
3.2.1
To unpack the outdoor unit .........................................
7
3.2.2
To handle the outdoor unit ..........................................
7
3.2.3
To remove the accessories from the outdoor unit.......
7
3.3
Control box ................................................................................
8
3.3.1
To unpack the control box...........................................
8
3.3.2
To remove the accessories from the control box ........
8
3.4
Option box .................................................................................
8
3.4.1
To unpack the option box............................................
8
3.4.2
To remove the accessories from the option box .........
9
4 About the units and options
9
4.1
Overview: About the units and options......................................
9
4.2
Identification ..............................................................................
9
4.2.1
Identification label: Outdoor unit .................................
9
4.2.2
Identification label: Control box...................................
9
4.2.3
Identification label: Option box....................................
9
4.3
Combining units and options .....................................................
10
4.3.1
Possible combinations of outdoor unit and options..... 10
4.3.2
Possible options for the outdoor unit........................... 10
4.3.3
Possible options for the control box ............................ 11
4.3.4
Possible options for the option box ............................. 12
5 Application guidelines
12
5.1
Overview: Application guidelines...............................................
12
5.2
Setting up the space heating/cooling system ............................
12
5.2.1
Single room................................................................. 13
5.2.2
Multiple rooms – One LWT zone ................................ 15
5.2.3
Multiple rooms – Two LWT zones............................... 17
5.3
Setting up the domestic hot water tank .....................................
18
5.3.1
System layout – Standalone DHW tank...................... 18
5.3.2
Selecting the volume and desired temperature for
the DHW tank.............................................................. 18
5.3.3
Setup and configuration – DHW tank.......................... 19
5.3.4
DHW pump for instant hot water................................. 19
5.3.5
DHW pump for disinfection ......................................... 19
5.3.6
DHW pump for tank preheating .................................. 19
5.4
Setting up the energy metering .................................................
19
5.4.1
Produced heat............................................................. 20
5.4.2
Consumed energy....................................................... 20
5.4.3
Normal kWh rate power supply................................... 20
5.4.4
Preferential kWh rate power supply ............................ 21
5.5
Setting up an external temperature sensor ...............................
21
6 Preparation
21
6.1
Overview: Preparation ...............................................................
21
6.2
Preparing the installation site ....................................................
21
6.2.1
Installation site requirements of the outdoor unit ........ 21
6.2.2
Additional installation site requirements of the
outdoor unit in cold climates ........................................ 22
6.2.3
Installation site requirements of the control box........... 23
6.2.4
Installation site requirements of the option box............ 23
6.3
Preparing water piping ............................................................... 23
6.3.1
Water circuit requirements ........................................... 23
6.3.2
Formula to calculate the expansion vessel pre-
pressure ....................................................................... 24
6.3.3
To check the water volume and flow rate .................... 25
6.3.4
Changing the pre-pressure of the expansion vessel.... 26
6.3.5
To check the water volume: Examples ........................ 26
6.4
Preparing electrical wiring .......................................................... 26
6.4.1
About preparing electrical wiring.................................. 26
6.4.2
About preferential kWh rate power supply ................... 26
6.4.3
Overview of electrical connections except external
actuators ...................................................................... 26
6.4.4
Overview of electrical connections for external and
internal actuators ......................................................... 27
7 Installation
28
7.1
Overview: Installation ................................................................. 28
7.2
Opening the units ....................................................................... 28
7.2.1
About opening the units ............................................... 28
7.2.2
To open the outdoor unit.............................................. 28
7.2.3
To open the switch box cover of the outdoor unit ........ 29
7.2.4
To open the backup heater switch box cover of the
outdoor unit .................................................................. 29
7.2.5
To open the control box ............................................... 29
7.2.6
To open the option box ................................................ 29
7.3
Mounting the outdoor unit........................................................... 30
7.3.1
About mounting the outdoor unit.................................. 30
7.3.2
Precautions when mounting the outdoor unit............... 30
7.3.3
To provide the installation structure ............................. 30
7.3.4
To install the outdoor unit............................................. 30
7.3.5
To provide drainage ..................................................... 30
7.3.6
To prevent the outdoor unit from falling over ............... 31
7.4
Mounting the control box ............................................................ 31
7.4.1
Precautions when mounting the control box ................ 31
7.4.2
To install the control box .............................................. 31
7.5
Mounting the option box ............................................................. 32
7.5.1
Precautions when mounting the option box ................. 32
7.5.2
To install the option box ............................................... 32
7.6
Connecting the water piping ....................................................... 32
7.6.1
About connecting the water piping............................... 32
7.6.2
Precautions when connecting the water piping............ 32
7.6.3
To connect the water piping......................................... 32
7.6.4
To protect the water circuit against freezing ................ 33
7.6.5
To fill the water circuit .................................................. 34
7.6.6
To fill the domestic hot water tank ............................... 34
7.6.7
To insulate the water piping ......................................... 34
7.7
Connecting the electrical wiring.................................................. 34
7.7.1
About connecting the electrical wiring.......................... 34
7.7.2
Precautions when connecting the electrical wiring ...... 34
7.7.3
Guidelines when connecting the electrical wiring ........ 35
7.7.4
To connect the electrical wiring on the outdoor unit..... 35
7.7.5
To connect the main power supply .............................. 36
7.7.6
To connect the backup heater power supply ............... 37
7.7.7
To connect the user interface ...................................... 37
7.7.8
To connect the shut-off valve....................................... 38
7.7.9
To connect the domestic hot water pump .................... 39
7.7.10
To connect the electrical wiring on the control box ...... 39
7.7.11
To connect the control box power supply .................... 39
7.7.12
To connect the interconnection cable between
control box and outdoor unit ........................................ 39
7.7.13
To connect the electrical wiring on the option box ....... 40
7.7.14
To connect the option box power supply ..................... 40
7.7.15
To connect the interconnection cable between option
box and control box...................................................... 40
7.7.16
To connect the electrical meters .................................. 40
7.7.17
To connect the alarm output ........................................ 41