Table of contents
Installer reference guide
5
ERGA04~08DAV3(A) + EHBH/X04+08DA*V7
Daikin Altherma 3 R W
4P618958-1 – 2020.03
12.2 Precautions when troubleshooting ................................................................................................................................ 197
12.3 Solving problems based on symptoms........................................................................................................................... 198
12.3.1 Symptom: The unit is NOT heating or cooling as expected........................................................................... 198
12.3.2 Symptom: The compressor does NOT start (space heating or domestic water heating) ............................ 199
12.3.3 Symptom: The system is making gurgling noises after commissioning ........................................................ 199
12.3.4 Symptom: The pump is making noise (cavitation)......................................................................................... 200
12.3.5 Symptom: The pressure relief valve opens.................................................................................................... 200
12.3.6 Symptom: The water pressure relief valve leaks........................................................................................... 201
12.3.7 Symptom: The space is NOT sufficiently heated at low outdoor temperatures........................................... 201
12.3.8 Symptom: The pressure at the tapping point is temporarily unusually high................................................ 202
12.3.9 Symptom: Decoration panels are pushed away due to a swollen tank ........................................................ 202
12.3.10 Symptom: Tank disinfection function is NOT completed correctly (AH-error)............................................. 202
12.4 Solving problems based on error codes ......................................................................................................................... 203
12.4.1 To display the help text in case of a malfunction .......................................................................................... 203
12.4.2 Error codes: Overview .................................................................................................................................... 204
13 Disposal 208
13.1 Overview: Disposal.......................................................................................................................................................... 208
13.2 To pump down ................................................................................................................................................................ 208
13.3 To start and stop forced cooling..................................................................................................................................... 209
14 Technical data 211
14.1 Piping diagram: Outdoor unit ......................................................................................................................................... 211
14.2 Piping diagram: Indoor unit ............................................................................................................................................ 212
14.3 Wiring diagram: Outdoor unit ........................................................................................................................................ 213
14.4 Wiring diagram: Indoor unit ........................................................................................................................................... 215
14.5 Table 1 – Maximum refrigerant charge allowed in a room: indoor unit ....................................................................... 221
14.6 Table 2 – Minimum floor area: indoor unit.................................................................................................................... 221
14.7 Table 3 – Minimum venting opening area for natural ventilation: indoor unit ............................................................ 223
14.8 ESP curve: Indoor unit..................................................................................................................................................... 224
15 Glossary 225
16 Field settings table 227