Daikin ERGA06EAV3H Installer's Reference Manual page 5

ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF
Daikin Altherma 3 R ECH₂O
4P678716-1 - 2022.01
14.1 Overview: Maintenance and service .............................................................................................................................. 251
14.2 Maintenance safety precautions.................................................................................................................................... 251
14.3 Yearly maintenance ........................................................................................................................................................ 252
14.3.1 Yearly maintenance outdoor unit: instructions............................................................................................. 252
14.3.2 Yearly maintenance indoor unit: overview.................................................................................................... 252
14.3.3 Yearly maintenance indoor unit: instructions ............................................................................................... 252
15 Troubleshooting
15.1 Overview: Troubleshooting ............................................................................................................................................ 254
15.2 Precautions when troubleshooting ................................................................................................................................ 254
15.3 Solving problems based on symptoms........................................................................................................................... 255
15.3.1 Symptom: The unit is NOT heating or cooling as expected........................................................................... 255
15.3.2 Symptom: Hot water does NOT reach the desired temperature.................................................................. 256
15.3.3 Symptom: The compressor does NOT start (space heating or domestic water heating) ............................ 256
15.3.4 Symptom: The system is making gurgling noises after commissioning ........................................................ 256
15.3.5 Symptom: The pump is blocked..................................................................................................................... 257
15.3.6 Symptom: The pump is making noise (cavitation)......................................................................................... 257
15.3.7 Symptom: The pressure relief valve opens.................................................................................................... 258
15.3.8 Symptom: The water pressure relief valve leaks........................................................................................... 258
15.3.9 Symptom: The space is NOT sufficiently heated at low outdoor temperatures........................................... 259
15.3.10 Symptom: Tank disinfection function is NOT completed correctly (AH-error)............................................. 260
15.4 Solving problems based on error codes ......................................................................................................................... 260
15.4.1 To display the help text in case of a malfunction .......................................................................................... 260
15.4.2 Error codes: Overview .................................................................................................................................... 261
16 Disposal
16.1 To drain the storage tank ............................................................................................................................................... 265
16.1.1 To drain the storage tank without a connected pressureless solar system.................................................. 265
16.1.2 To drain the storage tank with a connected pressureless solar system ....................................................... 267
17 Technical data
17.1 Piping diagram: Outdoor unit ......................................................................................................................................... 269
17.2 Piping diagram: Indoor unit ............................................................................................................................................ 270
17.3 Wiring diagram: Outdoor unit ........................................................................................................................................ 271
17.4 Wiring diagram: Indoor unit ........................................................................................................................................... 273
17.5 Table 1 - Maximum refrigerant charge allowed in a room: indoor unit ....................................................................... 279
17.6 Table 2 - Minimum floor area: indoor unit.................................................................................................................... 280
17.7 Table 3 - Minimum bottom opening area for natural ventilation: indoor unit ............................................................ 280
17.8 ESP curve: Indoor unit..................................................................................................................................................... 282
17.9 Name plate: Indoor unit ................................................................................................................................................. 282
18 Glossary
19 Field settings table
Table of contents
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Installer reference guide
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