Daikin Altherma 3 R F EHVZ04S18E 6V Series - Page 5

Table of contents
Installer reference guide
5
ERGA04~08EAV3(A) + EHVZ04+08S18+23EA6V+9W
Daikin Altherma 3 R F
4P629093-1 – 2020.08
14 Troubleshooting 211
14.1 Overview: Troubleshooting ............................................................................................................................................ 211
14.2 Precautions when troubleshooting ................................................................................................................................ 211
14.3 Solving problems based on symptoms........................................................................................................................... 212
14.3.1 Symptom: The unit is NOT heating or cooling as expected........................................................................... 212
14.3.2 Symptom: Hot water does NOT reach the desired temperature.................................................................. 213
14.3.3 Symptom: The compressor does NOT start (space heating or domestic water heating) ............................ 213
14.3.4 Symptom: The system is making gurgling noises after commissioning ........................................................ 213
14.3.5 Symptom: The pump is making noise (cavitation)......................................................................................... 214
14.3.6 Symptom: The pressure relief valve opens.................................................................................................... 214
14.3.7 Symptom: The water pressure relief valve leaks........................................................................................... 215
14.3.8 Symptom: The space is NOT sufficiently heated at low outdoor temperatures........................................... 215
14.3.9 Symptom: The pressure at the tapping point is temporarily unusually high................................................ 216
14.3.10 Symptom: Decoration panels are pushed away due to a swollen tank ........................................................ 216
14.3.11 Symptom: Tank disinfection function is NOT completed correctly (AH-error)............................................. 216
14.4 Solving problems based on error codes ......................................................................................................................... 217
14.4.1 To display the help text in case of a malfunction .......................................................................................... 217
14.4.2 Error codes: Overview .................................................................................................................................... 218
15 Disposal 222
15.1 Overview: Disposal.......................................................................................................................................................... 222
15.2 To pump down ................................................................................................................................................................ 222
15.3 To start and stop forced cooling..................................................................................................................................... 223
16 Technical data 225
16.1 Piping diagram: Outdoor unit ......................................................................................................................................... 225
16.2 Piping diagram: Indoor unit ............................................................................................................................................ 227
16.3 Wiring diagram: Outdoor unit ........................................................................................................................................ 229
16.4 Wiring diagram: Indoor unit ........................................................................................................................................... 231
16.5 Table 1 – Maximum refrigerant charge allowed in a room: indoor unit ....................................................................... 238
16.6 Table 2 – Minimum floor area: indoor unit.................................................................................................................... 239
16.7 Table 3 – Minimum venting opening area for natural ventilation: indoor unit ............................................................ 239
16.8 ESP curve: Indoor unit..................................................................................................................................................... 241
17 Glossary 242
18 Field settings table 243