Installer reference guide
1
08 + ERLQ004~008
Daikin Altherma - Low Temperature Split
4P313774-1 – 2012.05
Table of contents
Table of contents
1 About the documentation
2
1.1
About this document....................................................................... 2
2 General safety precautions
3
2.1
About the documentation................................................................ 3
2.1.1
Meaning of warnings and symbols .................................... 3
2.2
For the installer............................................................................... 3
2.2.1
General.............................................................................. 3
2.2.2
Installation site................................................................... 3
2.2.3
Refrigerant......................................................................... 4
2.2.4
Water ................................................................................. 4
2.2.5
Electrical............................................................................ 4
3 About the box
4
3.1
Outdoor unit.................................................................................... 4
3.1.1
To unpack the outdoor unit ................................................ 4
3.1.2
To remove the accessories from the outdoor unit.............. 5
3.2
Indoor unit....................................................................................... 5
3.2.1
To unpack the indoor unit .................................................. 5
3.2.2
To remove the accessories from the indoor unit................ 6
4 About the units and options
6
4.1
Identification ................................................................................... 6
4.1.1
Identification label: Outdoor unit........................................ 6
4.1.2
Identification label: Indoor unit........................................... 6
4.2
Possible combinations of units and options.................................... 7
4.2.1
List of options for outdoor unit ........................................... 7
4.2.2
List of options for indoor unit ............................................. 7
4.2.3
Possible combinations of indoor unit and outdoor unit...... 8
4.2.4
Possible combinations of indoor unit and
domestic hot water tank .................................................... 8
5 Application guidelines
9
5.1
Overview: Application guidelines.................................................... 9
5.2
Setting up the space heating/cooling system ................................. 9
5.2.1
Single room ....................................................................... 9
5.2.2
Multiple rooms – One LWT zone ..................................... 11
5.2.3
Multiple rooms – Two LWT zones.................................... 12
5.3
Setting up an auxiliary heat source for space heating.................. 13
5.4
Setting up the domestic hot water tank ........................................ 15
5.4.1
System layout – Integrated DHW tank ............................ 15
5.4.2
System layout – Standalone DHW tank........................... 15
5.4.3
Selecting the volume and desired temperature for
the DHW tank .................................................................. 15
5.4.4
Setup and configuration – DHW tank .............................. 16
5.4.5
Combination: Standalone DHW tank + Solar panels....... 16
5.4.6
DHW pump for instant hot water ..................................... 16
5.4.7
DHW pump for disinfection.............................................. 17
5.5
Setting up the energy metering .................................................... 17
5.5.1
Produced heat ................................................................. 17
5.5.2
Consumed energy ........................................................... 17
5.5.3
Normal kWh rate power supply ....................................... 17
5.5.4
Preferential kWh rate power supply ................................ 18
5.6
Setting up the power consumption control ................................... 18
5.6.1
Permanent power limitation............................................. 19
5.6.2
Power limitation activated by digital inputs ...................... 19
5.6.3
Power limitation process.................................................. 19
5.7
Setting up an external temperature sensor .................................. 20
6 Preparation
20
6.1
Preparing installation site ............................................................. 20
6.1.1
Installation site requirements of the outdoor unit............. 20
6.1.2
Additional installation site requirements of the
outdoor unit in cold climates ............................................ 21
6.1.3
Installation site requirements of the indoor unit ............... 21
6.2
Preparing refrigerant piping .......................................................... 22
6.2.1
Refrigerant piping insulation............................................ 22
6.2.2
Refrigerant piping requirements ...................................... 22
6.3
Preparing water piping ................................................................. 22
6.3.1
Water circuit requirements .............................................. 22
6.3.2
Formula to calculate the expansion vessel pre-pressure 23
6.3.3
To check the water volume.............................................. 23
6.3.4
Changing the pre-pressure of the expansion vessel ....... 24
6.3.5
To check the water volume: Examples ............................ 24
6.4
Preparing electrical wiring ............................................................ 25
6.4.1
About preparing electrical wiring ..................................... 25
6.4.2
About preferential kWh rate power supply ...................... 25
6.4.3
Overview of electrical connections except
external actuators............................................................ 25
6.4.4
Overview of electrical connections for external and internal
actuators ......................................................................... 26
7 Installation
26
7.1
Opening the units ......................................................................... 26
7.1.1
To open the outdoor unit.................................................. 26
7.1.2
To open the indoor unit.................................................... 27
7.1.3
To open the switch box cover of the indoor unit .............. 27
7.2
Mounting the outdoor unit............................................................. 27
7.2.1
To prepare the installation structure ................................ 27
7.2.2
To install the outdoor unit ................................................ 28
7.2.3
To prepare drain work...................................................... 28
7.2.4
To prevent the outdoor unit from falling over ................... 29
7.3
Mounting the indoor unit............................................................... 29
7.3.1
To install the indoor unit................................................... 29
7.3.2
To install the drain pan kit................................................ 30
7.4
Connecting the refrigerant piping ................................................. 30
7.4.1
Pipe bending guidelines .................................................. 30
7.4.2
To flare the pipe end........................................................ 30
7.4.3
To braze the pipe end...................................................... 31
7.4.4
To handle the stop valve ................................................. 31
7.4.5
To open/close the stop valve........................................... 31
7.4.6
To handle the stem cap ................................................... 31
7.4.7
To handle the service cap ............................................... 32
7.4.8
To connect the refrigerant piping to the outdoor unit ....... 32
7.4.9
To connect the refrigerant piping to the indoor unit ......... 32
7.4.10
About checking the refrigerant piping.............................. 32
7.4.11
To check for leaks ........................................................... 32
7.4.12
To perform vacuum drying............................................... 33
7.4.13
To determine the additional refrigerant amount............... 33
7.4.14
To calculate the complete recharge amount.................... 33
7.4.15
To charge refrigerant ....................................................... 33
7.4.16
To fix the fluorinated greenhouse gases label................. 33
7.5
Connecting the water piping......................................................... 34
7.5.1
To connect the water piping ............................................ 34
7.5.2
To fill the water circuit...................................................... 34
7.5.3
To fill the domestic hot water tank ................................... 34
7.5.4
To insulate the water piping............................................. 34
7.6
Connecting the electrical wiring.................................................... 34
7.6.1
About electrical compliance............................................. 35
7.6.2
To connect the electrical wiring on the outdoor unit ........ 35
7.6.3
To connect the electrical wiring on the indoor unit........... 35
7.6.4
To connect the main power supply .................................. 36
7.6.5
To connect the backup heater power supply ................... 37
7.6.6
To connect the user interface .......................................... 38
7.6.7
To connect the shut-off valve........................................... 39
7.6.8
To connect the electrical meters...................................... 40
7.6.9
To connect the domestic hot water pump........................ 40
7.6.10
To connect the alarm output............................................ 40
7.6.11
To connect the space cooling/heating ON/OFF output.... 40
7.6.12
To connect the changeover to external heat source........ 40
7.6.13
To connect the power consumption digital inputs............ 40
7.7
Finishing the outdoor unit installation ........................................... 41
7.7.1
To finish the outdoor unit installation ............................... 41
7.7.2
To close the outdoor unit ................................................. 41
7.8
Finishing the indoor unit installation ............................................. 41
7.8.1
To fix the user interface cover to the indoor unit.............. 41
7.8.2
To close the indoor unit ................................................... 41
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