
1 General safety precautions
Installer reference guide
3
ERHQ+ERLQ011~016 + 16CBV
Daikin Altherma – Low temperature split
4P449970-1 – 2016.06
7.8
Charging refrigerant ..................................................................
38
7.8.1
About charging refrigerant .......................................... 38
7.8.2
Precautions when charging refrigerant ....................... 39
7.8.3
To determine the additional refrigerant amount .......... 39
7.8.4
To determine the complete recharge amount ............. 39
7.8.5
Charging refrigerant: Setup......................................... 39
7.8.6
To charge refrigerant .................................................. 39
7.8.7
To fix the fluorinated greenhouse gases label ............ 39
7.9
Connecting the water piping......................................................
39
7.9.1
About connecting the water piping.............................. 39
7.9.2
Precautions when connecting the water piping........... 40
7.9.3
To connect the water piping........................................ 40
7.9.4
To connect the water piping to the backup heater ...... 40
7.9.5
To fill the water circuit ................................................. 40
7.9.6
To fill the domestic hot water tank .............................. 41
7.9.7
To insulate the water piping ........................................ 41
7.10
Connecting the electrical wiring.................................................
41
7.10.1
About connecting the electrical wiring......................... 41
7.10.2
About electrical compliance ........................................ 41
7.10.3
Precautions when connecting the electrical wiring ..... 42
7.10.4
Guidelines when connecting the electrical wiring ....... 42
7.10.5
Specifications of standard wiring components............ 42
7.10.6
To connect the electrical wiring on the outdoor unit.... 42
7.10.7
To reposition the air thermistor on the outdoor unit .... 43
7.10.8
To connect the electrical wiring on the indoor unit...... 44
7.10.9
To connect the main power supply ............................. 44
7.10.10 To connect the user interface ..................................... 45
7.10.11 To connect the shut-off valve...................................... 46
7.10.12 To connect the electrical meters ................................. 46
7.10.13 To connect the domestic hot water pump ................... 46
7.10.14 To connect the alarm output ....................................... 46
7.10.15 To connect the space heating ON/OFF output ........... 46
7.10.16 To connect the changeover to external heat source... 47
7.10.17 To connect the power consumption digital inputs ....... 47
7.10.18 To connect the safety thermostat (normal closed
contact) ....................................................................... 47
7.10.19 To connect the electrical wiring on the backup heater
47
7.10.20 To connect the backup heater power supply .............. 48
7.10.21 To connect the backup heater to the indoor unit......... 49
7.11
Finishing the outdoor unit installation ........................................
49
7.11.1
To finish the outdoor unit installation .......................... 49
7.11.2
To close the outdoor unit ............................................ 49
7.12
Finishing the indoor unit installation ..........................................
49
7.12.1
To fix the user interface cover to the indoor unit......... 49
7.12.2
To close the indoor unit............................................... 49
7.13
Finishing the backup heater installation ....................................
49
7.13.1
To close the backup heater......................................... 49
8 Configuration
50
8.1
Overview: Configuration ............................................................
50
8.1.1
To connect the PC cable to the switch box................. 50
8.1.2
To access the most used commands ......................... 50
8.1.3
To copy the system settings from the first to the
second user interface.................................................. 51
8.1.4
To copy the language set from the first to the second
user interface .............................................................. 51
8.1.5
Quick wizard: Set the system layout after first power
ON............................................................................... 51
8.2
Basic configuration ....................................................................
52
8.2.1
Quick wizard: Language / time and date..................... 52
8.2.2
Quick wizard: Standard............................................... 52
8.2.3
Quick wizard: Options ................................................. 54
8.2.4
Quick wizard: Capacities (energy metering) ............... 56
8.2.5
Space heating control ................................................. 56
8.2.6
Domestic hot water control ......................................... 59
8.2.7
Contact/helpdesk number ........................................... 59
8.3
Advanced configuration/optimization.........................................
60
8.3.1
Space heating operation: advanced ........................... 60
8.3.2
Domestic hot water control: advanced........................ 63
8.3.3
Heat source settings ................................................... 66
8.3.4
System settings............................................................ 68
8.4
Menu structure: Overview user settings ..................................... 72
8.5
Menu structure: Overview installer settings................................ 73
9 Commissioning
74
9.1
Overview: Commissioning .......................................................... 74
9.2
Precautions when commissioning .............................................. 74
9.3
Checklist before commissioning ................................................. 74
9.4
Checklist during commissioning ................................................. 74
9.4.1
To check the minimum flow rate .................................. 75
9.4.2
Air purge function......................................................... 75
9.4.3
To perform a test run ................................................... 76
9.4.4
To perform an actuator test run ................................... 76
9.4.5
Underfloor heating screed dryout................................. 76
10 Hand-over to the user
78
11 Maintenance and service
78
11.1
Overview: Maintenance and service .......................................... 78
11.2
Maintenance safety precautions................................................. 78
11.2.1
Opening the indoor unit................................................ 78
11.2.2
Opening the backup heater.......................................... 78
11.3
Checklist for yearly maintenance of the outdoor unit ................. 78
11.4
Checklist for yearly maintenance of the indoor unit.................... 78
12 Troubleshooting
79
12.1
Overview: Troubleshooting......................................................... 79
12.2
Precautions when troubleshooting ............................................. 79
12.3
Solving problems based on symptoms....................................... 79
12.3.1
Symptom: The unit is NOT heating as expected ......... 79
12.3.2
Symptom: The compressor does NOT start (space
heating or domestic water heating).............................. 80
12.3.3
Symptom: The pump is making noise (cavitation) ....... 80
12.3.4
Symptom: The pressure relief valve opens.................. 80
12.3.5
Symptom: The water pressure relief valve leaks ......... 80
12.3.6
Symptom: The space is NOT sufficiently heated at
low outdoor temperatures ............................................ 81
12.3.7
Symptom: The pressure at the tapping point is
temporarily unusually high ........................................... 81
12.3.8
Symptom: Decoration panels are pushed away due
to a swollen tank .......................................................... 81
12.3.9
Symptom: Tank disinfection function is NOT
completed correctly (AH-error)..................................... 81
12.4
Solving problems based on error codes ..................................... 81
12.4.1
Error codes: Overview ................................................. 81
13 Disposal
83
13.1
Overview: Disposal..................................................................... 83
13.2
About pump down ...................................................................... 83
13.3
To pump down............................................................................ 84
14 Technical data
85
14.1
Service space: Outdoor unit ....................................................... 85
14.2
Piping diagram: Outdoor unit...................................................... 87
14.3
Piping diagram: Indoor unit ........................................................ 88
14.4
Wiring diagram: Outdoor unit ..................................................... 89
14.5
Wiring diagram: Indoor unit ........................................................ 91
14.6
Wiring diagram: Backup heater .................................................. 94
14.7
ESP curve: Indoor unit ............................................................... 95
15 Glossary
96
16 Field settings table
97
1
General safety precautions
1.1
About the documentation
▪ The original documentation is written in English. All other
languages are translations.