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9.9.6
Flue pipe position........................................................ 51
9.9.7
Insulation of the gas exhaust and air intake................ 52
9.9.8
Fitting a horizontal flue system ................................... 52
9.9.9
Fitting a vertical flue system........................................ 52
9.9.10
Plume management kit ............................................... 52
9.9.11
Flues in voids .............................................................. 53
9.9.12
9.9.13
About securing the flue system................................... 53
9.10
Finishing the outdoor unit installation ........................................ 55
9.10.1
To close the outdoor unit ............................................ 55
9.11
Finishing the gas boiler installation ........................................... 55
9.11.1
To perform an air purge on the gas supply ................. 55
9.11.2
To close the gas boiler................................................ 55
9.11.3
To install the cover plate ............................................. 55
10.1
Outdoor unit............................................................................... 56
10.1.1
Overview: Configuration.............................................. 56
10.1.2
Basic configuration...................................................... 57
10.1.3
Advanced configuration/optimization .......................... 62
10.1.4
Menu structure: Overview user settings...................... 70
10.1.5
Menu structure: Overview installer settings ................ 71
10.2
Gas boiler .................................................................................. 72
10.2.1
Overview: Configuration.............................................. 72
10.2.2
Basic configuration...................................................... 72
11.1
Overview: Operation.................................................................. 77
11.2
Heating ...................................................................................... 77
11.3
Domestic hot water.................................................................... 77
11.3.1
water circuit................................................................. 77
11.4
Operation modes....................................................................... 77
12.1
Overview: Commissioning......................................................... 78
12.2
Precautions when commissioning ............................................. 78
12.3
Checklist before commissioning................................................ 78
12.4
Checklist during commissioning ................................................ 79
12.4.1
Air purge function........................................................ 79
12.4.2
To perform a test run .................................................. 80
12.4.3
To perform an actuator test run .................................. 80
12.4.4
Underfloor heating screed dryout................................ 80
12.4.5
To perform a gas pressure test................................... 82
12.4.6
To perform a test run on the gas boiler....................... 82
14.1
Overview: Maintenance and service ......................................... 82
14.2
Maintenance safety precautions................................................ 82
14.3
Outdoor unit............................................................................... 83
14.3.1
Opening the outdoor unit ............................................ 83
14.3.2
14.4
Gas boiler .................................................................................. 84
14.4.1
Opening the gas boiler................................................ 84
14.4.2
To disassemble the gas boiler .................................... 84
14.4.3
To clean the inside of the gas boiler ........................... 85
14.4.4
To assemble the gas boiler......................................... 85
15.1
Overview: Troubleshooting........................................................ 86
15.2
Precautions when troubleshooting ............................................ 86
15.3
General guidelines .................................................................... 86
15.4
Solving problems based on symptoms...................................... 86
15.4.1
Symptom: The unit is NOT heating as expected ........ 86
15.4.2
heating or domestic water heating)............................. 87
15.4.3
15.4.4
Symptom: The pressure relief valve opens................. 87
15.4.5
Symptom: The water pressure relief valve leaks ........ 87
EJHA04AAV3 + NHY2KOMB28+32AA
Daikin Altherma H Hybrid
4P556861-1A - 2019.05
15.4.6
low outdoor temperatures ............................................ 88
15.4.7
temporarily unusually high ........................................... 88
15.4.8
completed correctly (AH-error)..................................... 88
15.4.9
(UA-52 error)................................................................ 88
15.4.11 Symptom: The burner does NOT ignite ....................... 88
15.4.12 Symptom: The burner ignites noisily............................ 88
15.4.13 Symptom: The burner resonates ................................. 89
15.4.14 Symptom: No space heating by the gas boiler ............ 89
15.4.15 Symptom: The power is reduced ................................. 89
temperature.................................................................. 89
56
15.4.17 Symptom: No domestic hot water ................................ 89
15.4.19 Symptom: Hot water does NOT reach the
temperature (tank installed) ......................................... 89
15.5
Solving problems based on LED behaviour ............................... 90
15.5.1
Location of the outdoor unit LED ................................. 90
15.5.2
To diagnose faults........................................................ 90
15.6
Solving problems based on error codes..................................... 90
15.6.1
Error codes: Overview ................................................. 90
77
16.1
Overview: Disposal..................................................................... 93
16.2
To pump down............................................................................ 93
17.1
Outdoor unit................................................................................ 94
17.1.1
Piping diagram: Outdoor unit ....................................... 94
17.1.2
Wiring diagram: Outdoor unit ....................................... 95
78
17.1.3
ESP curve: Outdoor unit .............................................. 98
17.2
Gas boiler ................................................................................... 99
17.2.1
Components: Gas boiler .............................................. 99
17.2.2
Wiring diagram: Gas boiler .......................................... 99
17.2.3
Technical specifications: Gas boiler.............................100
1
General safety precautions
82
82
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 in the installer reference guide MUST be
performed by an authorised installer.
1.1.1
Meaning of warnings and symbols
86
DANGER
Indicates a situation that results in death or serious injury.
DANGER: RISK OF ELECTROCUTION
Indicates a situation that could result in electrocution.
DANGER: RISK OF BURNING
Indicates a situation that could result in burning because of
extreme hot or cold temperatures.
1 General safety precautions
Installer reference guide
93
94
105
107
3
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