Daikin EHYKOMB33AA2 [3/136] Troubleshooting 89

Daikin EHYKOMB33AA2 [3/136] Troubleshooting 89
Table of contents
Installer reference guide
3
EVLQ05+08CAV3 + EHYHBH05AA + EHYHBH/X08AA +
EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1A – 2016.02
7.11.8 To connect the communication cable between gas
boiler and indoor unit .................................................. 40
7.11.9 To connect the user interface ..................................... 41
7.11.10 To connect the shut-off valve...................................... 42
7.11.11 To connect the electrical meter................................... 42
7.11.12 To connect the gas meter ........................................... 42
7.11.13 To connect the domestic hot water pump ................... 43
7.11.14 To connect the alarm output ....................................... 43
7.11.15 To connect the space cooling/heating ON/OFF
output .......................................................................... 43
7.11.16 To connect the power consumption digital inputs ....... 43
7.12 Connecting the gas piping......................................................... 44
7.12.1 To connect the gas pipe.............................................. 44
7.13 Connecting the boiler to the flue gas system ............................ 44
7.13.1 To change the gas boiler to 80/125 concentric
connection................................................................... 44
7.13.2 To change the 60/100 concentric connection to a
dual pipe connection ................................................... 45
7.13.3 Calculate the total piping length.................................. 45
7.13.4 Appliance categories and pipe lengths ....................... 46
7.13.5 Applicable materials.................................................... 47
7.13.6 Flue pipe position........................................................ 47
7.13.7 Insulation of the gas exhaust and air intake................ 48
7.13.8 Fitting a horizontal flue system ................................... 48
7.13.9 Fitting a vertical flue system........................................ 48
7.13.10 Plume management kit ............................................... 49
7.13.11 Flues in voids .............................................................. 49
7.14 Finishing the outdoor unit installation ........................................ 49
7.14.1 To finish the outdoor unit installation .......................... 49
7.14.2 To close the outdoor unit ............................................ 50
7.15 Finishing the indoor unit installation .......................................... 50
7.15.1 To close the indoor unit............................................... 50
7.16 Finishing the gas boiler installation ........................................... 50
7.16.1 To purge the gas supply ............................................. 50
7.16.2 To close the gas boiler................................................ 50
7.16.3 To install the cover plate ............................................. 50
8 Configuration 50
8.1 Indoor unit ................................................................................. 50
8.1.1 Overview: Configuration.............................................. 50
8.1.2 Basic configuration...................................................... 53
8.1.3 Advanced configuration/optimization .......................... 61
8.1.4 Menu structure: Overview user settings...................... 72
8.1.5 Menu structure: Overview installer settings ................ 74
8.2 Gas boiler .................................................................................. 75
8.2.1 Overview: Configuration.............................................. 75
8.2.2 Basic configuration...................................................... 75
9 Operation 80
9.1 Overview: Operation.................................................................. 80
9.2 Heating ...................................................................................... 80
9.3 Domestic hot water.................................................................... 80
9.3.1 Flow resistance graph for appliance domestic hot
water circuit................................................................. 80
9.4 Operation modes....................................................................... 80
10 Commissioning 81
10.1 Overview: Commissioning ......................................................... 81
10.2 Precautions when commissioning ............................................. 81
10.3 Checklist before commissioning ................................................ 81
10.4 Checklist during commissioning ................................................ 82
10.4.1 To check the minimum flow rate ................................. 82
10.4.2 Air purge function........................................................ 82
10.4.3 To perform a test run .................................................. 83
10.4.4 To perform an actuator test run .................................. 83
10.4.5 Underfloor heating screed dryout................................ 84
10.4.6 To perform an air purge on the gas supply ................. 85
10.4.7 To perform a test run on the gas boiler....................... 85
11 Hand-over to the user 85
12 Maintenance and service 85
12.1 Overview: Maintenance and service .......................................... 86
12.2 Maintenance safety precautions................................................. 86
12.2.1 Opening the indoor unit................................................ 86
12.3 Checklist for yearly maintenance of the outdoor unit ................. 86
12.4 Checklist for yearly maintenance of the indoor unit.................... 86
12.5 To disassemble the gas boiler.................................................... 86
12.6 To clean the inside of the gas boiler........................................... 88
12.7 To assemble the gas boiler ........................................................ 88
13 Troubleshooting 89
13.1 Overview: Troubleshooting......................................................... 89
13.2 Precautions when troubleshooting ............................................. 89
13.3 Solving problems based on symptoms....................................... 89
13.3.1 Symptom: The unit is NOT heating or cooling as
expected ...................................................................... 89
13.3.2 Symptom: The compressor does NOT start (space
heating) ........................................................................ 90
13.3.3 Symptom: The pump is making noise (cavitation) ....... 90
13.3.4 Symptom: The pressure relief valve opens.................. 90
13.3.5 Symptom: The water pressure relief valve leaks ......... 90
13.3.6 Symptom: The space is NOT sufficiently heated at
low outdoor temperatures ............................................ 90
13.3.7 Symptom: The pressure at the tapping point is
temporarily unusual high.............................................. 91
13.3.8 Symptom: Tank disinfection function is NOT
completed correctly (AH-error)..................................... 91
13.3.9 Symptom: Boiler abnormality detection (HJ-11 error).. 91
13.3.10 Symptom: Boiler/hydrobox combination abnormality
(UA52 error) ................................................................. 91
13.3.11 Symptom: The burner does NOT ignite ....................... 91
13.3.12 Symptom: The burner ignites noisily............................ 91
13.3.13 Symptom: The burner resonates ................................. 92
13.3.14 Symptom: No space heating by the gas boiler ............ 92
13.3.15 Symptom: The power is reduced ................................. 92
13.3.16 Symptom: Space heating does NOT reach the
temperature.................................................................. 92
13.3.17 Symptom: Hot water does NOT reach the
temperature (no tank installed) .................................... 92
13.3.18 Symptom: Hot water does NOT reach the
temperature (tank installed) ......................................... 92
13.4 Solving problems based on error codes ..................................... 92
13.4.1 Error codes: Overview ................................................. 93
14 Disposal 95
14.1 Overview: Disposal..................................................................... 95
14.2 To pump down............................................................................ 95
14.3 To start and stop forced cooling ................................................. 96
15 Technical data 96
15.1 Overview: Technical data ........................................................... 96
15.2 Dimensions and service space................................................... 97
15.2.1 Dimensions and service space: Outdoor unit .............. 97
15.2.2 Dimensions and service space: Indoor unit ................. 98
15.3 Center of gravity .........................................................................100
15.3.1 Center of gravity: Outdoor unit.....................................100
15.4 Components ...............................................................................101
15.4.1 Components: Outdoor unit...........................................101
15.4.2 Components: Switch box (outdoor unit).......................101
15.4.3 Components: Indoor unit..............................................101
15.4.4 Components: Switch box (indoor unit) .........................102
15.4.5 Components: Gas boiler ..............................................103
15.5 Piping diagram ........................................................................... 104
15.5.1 Piping diagram: Outdoor unit .......................................104
15.5.2 Piping diagram: Indoor unit ..........................................105
15.6 Wiring diagram ...........................................................................106
15.6.1 Wiring diagram: Outdoor unit .......................................106
15.6.2 Wiring diagram: Indoor unit..........................................109
15.6.3 Wiring diagram: Gas boiler ..........................................113
15.7 Technical specifications ............................................................. 114
15.7.1 Technical specifications: Outdoor unit .........................114

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