1 General safety precautions
Installer reference guide
3
ERLQ004~008CA + 08S18CB
Daikin Altherma – Low temperature split
4P401676-1 – 2015.02
7.9.6
To connect the electrical wiring on the indoor unit...... 34
7.9.7
To connect the main power supply ............................. 35
7.9.8
To connect the backup heater power supply .............. 35
7.9.9
To connect the user interface ..................................... 35
7.9.10
To connect the shut-off valve...................................... 36
7.9.11
To connect the electrical meters ................................. 36
7.9.12
To connect the domestic hot water pump ................... 37
7.9.13
To connect the alarm output ....................................... 37
7.9.14
To connect the power consumption digital inputs ....... 37
7.9.15
To connect the safety thermostat (normal closed
contact) ....................................................................... 37
7.10
Finishing the outdoor unit installation ........................................
38
7.10.1
To finish the outdoor unit installation .......................... 38
7.10.2
To close the outdoor unit ............................................ 38
7.11
Finishing the indoor unit installation ..........................................
38
7.11.1
To fix the user interface cover to the indoor unit......... 38
7.11.2
To close the indoor unit............................................... 38
8 Configuration
38
8.1
Overview: Configuration ............................................................
38
8.1.1
To connect the PC cable to the switch box................. 38
8.1.2
To access the most used commands ......................... 39
8.1.3
To copy the system settings from the first to the
second user interface.................................................. 39
8.1.4
To copy the language set from the first to the second
user interface .............................................................. 40
8.1.5
Quick wizard: Set the system layout after first power
ON............................................................................... 40
8.2
Basic configuration ....................................................................
40
8.2.1
Quick wizard: Language / time and date..................... 40
8.2.2
Quick wizard: Standard............................................... 40
8.2.3
Quick wizard: Options ................................................. 42
8.2.4
Quick wizard: Capacities (energy metering) ............... 44
8.2.5
Space heating control ................................................. 44
8.2.6
Domestic hot water control ......................................... 46
8.2.7
Contact/helpdesk number ........................................... 47
8.3
Advanced configuration/optimization.........................................
47
8.3.1
Space heating operation: advanced ........................... 47
8.3.2
Domestic hot water control: advanced........................ 50
8.3.3
Heat source settings ................................................... 52
8.3.4
System settings........................................................... 53
8.4
Menu structure: Overview user settings ....................................
57
8.5
Menu structure: Overview installer settings...............................
58
9 Commissioning
59
9.1
Overview: Commissioning .........................................................
59
9.2
Precautions when commissioning .............................................
59
9.3
Checklist before commissioning ................................................
59
9.4
Checklist during commissioning ................................................
59
9.4.1
To check the minimum flow rate ................................. 59
9.4.2
Air purge function........................................................ 60
9.4.3
To perform a test run .................................................. 61
9.4.4
To perform an actuator test run .................................. 61
9.4.5
Underfloor heating screed dryout................................ 61
10 Hand-over to the user
63
11 Maintenance and service
63
11.1
Overview: Maintenance and service .........................................
63
11.2
Maintenance safety precautions................................................
63
11.2.1
Opening the indoor unit............................................... 63
11.3
Checklist for yearly maintenance of the outdoor unit ................
63
11.4
Checklist for yearly maintenance of the indoor unit...................
63
11.4.1
To drain the domestic hot water tank.......................... 64
12 Troubleshooting
64
12.1
Overview: Troubleshooting........................................................
64
12.2
Precautions when troubleshooting ............................................
65
12.3
Solving problems based on symptoms......................................
65
12.3.1
Symptom: The unit is NOT heating as expected ........ 65
12.3.2
Symptom: The compressor does NOT start (space
heating or domestic water heating).............................. 65
12.3.3
Symptom: The pump is making noise (cavitation) ....... 65
12.3.4
Symptom: The pressure relief valve opens.................. 65
12.3.5
Symptom: The water pressure relief valve leaks ......... 66
12.3.6
Symptom: The space is NOT sufficiently heated at
low outdoor temperatures ............................................ 66
12.3.7
Symptom: The pressure at the tapping point is
temporarily unusual high.............................................. 66
12.3.8
Symptom: Decoration panels are pushed away due
to a swollen tank .......................................................... 66
12.3.9
Symptom: Tank disinfection function is NOT
completed correctly (AH-error)..................................... 66
12.4
Solving problems based on error codes ..................................... 67
12.4.1
Error codes: Overview ................................................. 67
13 Disposal
69
13.1
Overview: Disposal..................................................................... 69
13.2
To pump down............................................................................ 69
13.3
To start and stop forced cooling ................................................. 70
14 Technical data
71
14.1
Overview: Technical data ........................................................... 71
14.2
Dimensions and service space................................................... 71
14.2.1
Dimensions and service space: Outdoor unit .............. 71
14.2.2
Dimensions and service space: Indoor unit ................. 72
14.3
Center of gravity ......................................................................... 73
14.3.1
Center of gravity: Outdoor unit..................................... 73
14.4
Components ............................................................................... 74
14.4.1
Components: Outdoor unit........................................... 74
14.4.2
Components: Switch box (outdoor unit)....................... 74
14.4.3
Components: Indoor unit.............................................. 74
14.4.4
Components: Switch box (indoor unit) ......................... 75
14.5
Piping diagram ........................................................................... 76
14.5.1
Piping diagram: Outdoor unit ....................................... 76
14.5.2
Piping diagram: Indoor unit .......................................... 77
14.6
Wiring diagram ........................................................................... 78
14.6.1
Wiring diagram: Outdoor unit ....................................... 78
14.6.2
Wiring diagram: Indoor unit.......................................... 81
14.7
Technical specifications ............................................................. 86
14.7.1
Technical specifications: Outdoor unit ......................... 86
14.7.2
Technical specifications: Indoor unit ............................ 90
14.8
Operation range ......................................................................... 93
14.8.1
Operation range: Heating and cooling ......................... 93
14.8.2
Operation range: Domestic hot water .......................... 94
14.9
ESP curve .................................................................................. 95
14.9.1
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.
▪ The precautions described in this document cover very important
topics, follow them carefully.
▪ The installation of the system, and all activities described in the
installation manual and the installer reference guide must be
performed by an authorized installer.
1.1.1
Meaning of warnings and symbols
DANGER
Indicates a situation that results in death or serious injury.
