Daikin EK2CB07CAV3, Installer'S Reference Manual

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Table of Contents
Installer reference guide
2
EKCB
EK2CB EKMBU EKMBUHCA9W1
Daikin Altherma low temperature monobloc
4P405544-1 – 2015.03
Table of Contents
1 General safety precautions 4
1.1 About the documentation .......................................................... 4
1.1.1 Meaning of warnings and symbols.............................. 4
1.2 For the installer.......................................................................... 4
1.2.1 General ....................................................................... 4
1.2.2 Installation site ............................................................ 4
1.2.3 Refrigerant .................................................................. 5
1.2.4 Brine............................................................................ 5
1.2.5 Water .......................................................................... 5
1.2.6 Electrical ..................................................................... 6
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 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 ......... 8
3.5 Backup heater ........................................................................... 9
3.5.1 To unpack the backup heater ..................................... 9
3.5.2 To remove the accessories from the backup heater... 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
4.2.4 Identification label: Backup heater .............................. 10
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........................... 11
4.3.3 Possible options for the control box ............................ 11
4.3.4 Possible options for the option box ............................. 12
4.3.5 Possible combinations of outdoor unit and domestic
hot water tank ............................................................. 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............................... 16
5.3 Setting up an auxiliary heat source for space heating............... 18
5.4 Setting up the domestic hot water tank ..................................... 19
5.4.1 System layout – Standalone DHW tank...................... 19
5.4.2 Selecting the volume and desired temperature for
the DHW tank.............................................................. 19
5.4.3 Setup and configuration – DHW tank.......................... 20
5.4.4 DHW pump for instant hot water................................. 20
5.4.5 DHW pump for disinfection ......................................... 20
5.5 Setting up the energy metering ................................................. 20
5.5.1 Produced heat............................................................. 20
5.5.2 Consumed energy....................................................... 21
5.5.3 Normal kWh rate power supply................................... 21
5.5.4 Preferential kWh rate power supply ............................ 22
5.6 Setting up the power consumption control ................................ 22
5.6.1 Permanent power limitation ........................................ 22
5.6.2 Power limitation activated by digital inputs .................. 22
5.6.3 Power limitation process .............................................. 23
5.7 Setting up an external temperature sensor ................................ 23
6 Preparation 24
6.1 Overview: Preparation ................................................................ 24
6.2 Preparing installation site ........................................................... 24
6.2.1 Installation site requirements of the outdoor unit ......... 24
6.2.2 Additional installation site requirements of the
outdoor unit in cold climates ........................................ 25
6.2.3 Installation site requirements of the control box........... 25
6.2.4 Installation site requirements of the option box............ 25
6.2.5 Installation site requirements of the backup heater ..... 26
6.3 Preparing water piping ............................................................... 26
6.3.1 Water circuit requirements ........................................... 26
6.3.2 Formula to calculate the expansion vessel pre-
pressure ....................................................................... 27
6.3.3 To check the water volume and flow rate .................... 27
6.3.4 Changing the pre-pressure of the expansion vessel.... 28
6.3.5 To check the water volume: Examples ........................ 28
6.4 Preparing electrical wiring .......................................................... 29
6.4.1 About preparing electrical wiring.................................. 29
6.4.2 About preferential kWh rate power supply ................... 29
Overview of electrical connections except external
actuators ...................................................................... 29
6.4.3 Overview of electrical connections for external and
internal actuators ......................................................... 30
7 Installation 31
7.1 Overview: Installation ................................................................. 31
7.2 Opening the units ....................................................................... 31
7.2.1 About opening the units ............................................... 31
7.2.2 To open the outdoor unit.............................................. 31
7.2.3 To open the switch box cover of the outdoor unit ........ 31
7.2.4 To open the control box ............................................... 32
7.2.5 To open the option box ................................................ 32
7.2.6 To open the backup heater .......................................... 32
7.2.7 To open the switch box cover of the backup heater .... 32
7.3 Mounting the outdoor unit........................................................... 32
7.3.1 About mounting the outdoor unit.................................. 32
7.3.2 Precautions when mounting the outdoor unit............... 33
7.3.3 To provide the installation structure ............................. 33
7.3.4 To install the outdoor unit............................................. 34
7.3.5 To provide drainage ..................................................... 34
7.3.6 To prevent the outdoor unit from falling over ............... 35
7.4 Mounting the control box ............................................................ 35
7.4.1 About mounting the control box ................................... 35
7.4.2 Precautions when mounting the control box ................ 35
7.4.3 To install the control box .............................................. 35
7.5 Mounting the option box ............................................................. 35
7.5.1 About mounting the option box .................................... 35
7.5.2 Precautions when mounting the option box ................. 35
7.5.3 To install the option box ............................................... 35
7.6 Mounting the backup heater ....................................................... 36
7.6.1 About mounting the backup heater .............................. 36
7.6.2 Precautions when mounting the backup heater........... 36
7.6.3 To install the backup heater......................................... 36
7.7 Connecting the water piping ....................................................... 37
7.7.1 About connecting the water piping............................... 37
7.7.2 Precautions when connecting the water piping............ 37
7.7.3 To connect the water piping......................................... 37
7.7.4 To connect the water piping to the backup heater ....... 37
7.7.5 To protect the water circuit against freezing ................ 38
7.7.6 To fill the water circuit .................................................. 38
7.7.7 To fill the domestic hot water tank ............................... 39
7.7.8 To insulate the water piping ......................................... 39
7.8 Connecting the electrical wiring.................................................. 39
7.8.1 About connecting the electrical wiring.......................... 39
7.8.2 About electrical compliance ......................................... 39
7.8.3 Precautions when connecting the electrical wiring ...... 39