Table of Contents
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Table of contents
Table of contents
1.1
About the documentation ..........................................................
1.1.1
Meaning of warnings and symbols..............................
1.2
For the installer..........................................................................
1.2.1
General .......................................................................
1.2.2
Installation site ............................................................
1.2.3
Refrigerant ..................................................................
1.2.4
Brine............................................................................
1.2.5
Water ..........................................................................
1.2.6
Electrical .....................................................................
2.1
About this document..................................................................
2.2
Installer reference guide at a glance .........................................
3.1
Overview: About the box ...........................................................
3.2
Outdoor unit...............................................................................
3.2.1
To unpack the outdoor unit .........................................
3.2.2
3.3
Indoor unit .................................................................................
3.3.1
To unpack the indoor unit ...........................................
3.3.2
4.1
Overview: About the units and options......................................
4.2
Identification ..............................................................................
4.2.1
Identification label: Outdoor unit .................................
4.2.2
Identification label: Indoor unit ....................................
4.3
Combining units and options .....................................................
4.3.1
Possible options for the outdoor unit...........................
4.3.2
Possible options for the indoor unit.............................
4.3.3
unit .............................................................................. 10
5.1
Overview: Application guidelines............................................... 10
5.2
Setting up the space heating/cooling system ............................ 11
5.2.1
Single room................................................................. 11
5.2.2
Multiple rooms - One LWT zone ................................ 13
5.2.3
Multiple rooms - Two LWT zones............................... 14
5.3
Setting up an auxiliary heat source for space heating............... 16
5.4
Setting up the domestic hot water tank ..................................... 17
5.4.1
System layout - Integrated DHW tank........................ 17
5.4.2
System layout - Standalone DHW tank...................... 17
5.4.3
the DHW tank.............................................................. 17
5.4.4
Setup and configuration - DHW tank.......................... 18
5.4.5
DHW pump for instant hot water................................. 18
5.4.6
DHW pump for disinfection ......................................... 19
5.5
Setting up the energy metering ................................................. 19
5.5.1
Produced heat............................................................. 19
5.5.2
Consumed energy....................................................... 19
5.5.3
Normal kWh rate power supply................................... 19
5.5.4
Preferential kWh rate power supply ............................ 20
5.6
Setting up the power consumption control ................................ 20
5.6.1
Permanent power limitation ........................................ 20
5.6.2
Power limitation activated by digital inputs ................. 21
5.6.3
Power limitation process ............................................. 21
5.7
Setting up an external temperature sensor ............................... 22
6.1
Overview: Preparation............................................................... 22
6.2
Preparing installation site .......................................................... 22
6.2.1
6.2.2
outdoor unit in cold climates ....................................... 23
2
6.2.3
Installation site requirements of the indoor unit ........... 23
6.3
Preparing refrigerant piping........................................................ 24
6.3.1
Refrigerant piping requirements................................... 24
6.3.2
Refrigerant piping insulation ........................................ 24
6.4
Preparing water piping ............................................................... 24
3
6.4.1
Water circuit requirements ........................................... 24
3
6.4.2
3
pressure ....................................................................... 25
4
6.4.3
To check the water volume and flow rate .................... 25
4
6.4.4
4
6.4.5
To check the water volume: Examples ........................ 27
4
6.5
Preparing electrical wiring .......................................................... 27
5
6.5.1
About preparing electrical wiring.................................. 27
5
6.5.2
About preferential kWh rate power supply ................... 27
5
6.5.3
actuators ...................................................................... 28
6
6.5.4
6
internal actuators ......................................................... 28
6
7 Installation
7
7.1
Overview: Installation ................................................................. 29
7
7.2
Opening the units ....................................................................... 29
7
7.2.1
About opening the units ............................................... 29
7
7.2.2
To open the outdoor unit.............................................. 29
7
7.2.3
To open the indoor unit ................................................ 29
8
7.2.4
To open the switch box cover of the indoor unit .......... 29
8
7.3
Mounting the outdoor unit........................................................... 29
8
7.3.1
About mounting the outdoor unit.................................. 29
7.3.2
Precautions when mounting the outdoor unit............... 29
8
7.3.3
To provide the installation structure ............................. 30
8
7.3.4
To install the outdoor unit............................................. 30
9
7.3.5
To provide drainage ..................................................... 31
9
7.3.6
To prevent the outdoor unit from falling over ............... 31
9
7.4
Mounting the indoor unit............................................................. 32
9
7.4.1
About mounting the indoor unit .................................... 32
9
7.4.2
Precautions when mounting the indoor unit................. 32
9
7.4.3
To install the indoor unit............................................... 32
7.4.4
To install the drain pan kit ............................................ 33
7.5
Connecting the refrigerant piping ............................................... 33
10
7.5.1
About connecting the refrigerant piping ....................... 33
7.5.2
7.5.3
7.5.4
Pipe bending guidelines............................................... 34
7.5.5
To flare the pipe end .................................................... 34
7.5.6
To braze the pipe end .................................................. 34
7.5.7
Using the stop valve and service port .......................... 34
7.5.8
7.5.9
7.6
Checking the refrigerant piping .................................................. 35
7.6.1
About checking the refrigerant piping .......................... 35
7.6.2
7.6.3
To check for leaks........................................................ 36
7.6.4
To perform vacuum drying ........................................... 36
7.7
Charging refrigerant ................................................................... 36
7.7.1
About charging refrigerant ........................................... 36
7.7.2
Precautions when charging refrigerant ........................ 37
7.7.3
To determine the additional refrigerant amount ........... 37
7.7.4
To determine the complete recharge amount .............. 37
7.7.5
To charge additional refrigerant ................................... 37
7.7.6
To fix the fluorinated greenhouse gases label ............. 37
7.8
Connecting the water piping....................................................... 38
7.8.1
About connecting the water piping............................... 38
7.8.2
Precautions when connecting the water piping............ 38
7.8.3
To connect the water piping......................................... 38
7.8.4
To fill the water circuit .................................................. 38
22
7.8.5
To fill the domestic hot water tank ............................... 38
7.8.6
To insulate the water piping ......................................... 39
7.9
Connecting the electrical wiring.................................................. 39
7.9.1
About connecting the electrical wiring.......................... 39
7.9.2
About electrical compliance ......................................... 39
29
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