Table of contents
Installer reference guide
5
ERGA04~08EA + EHBH/X04+08EF
Daikin Altherma 3 R W
4P629085-1B – 2021.11
13.2.2 Yearly maintenance outdoor unit: instructions ............................................................................................. 248
13.2.3 Yearly maintenance indoor unit: overview .................................................................................................... 248
13.2.4 Yearly maintenance indoor unit: instructions ............................................................................................... 248
13.3 About cleaning the water filter in case of trouble ......................................................................................................... 250
13.3.1 To remove the water filter ............................................................................................................................. 250
13.3.2 To clean the water filter in case of trouble.................................................................................................... 251
13.3.3 To install the water filter ................................................................................................................................ 252
14 Troubleshooting 254
14.1 Overview: Troubleshooting ............................................................................................................................................ 254
14.2 Precautions when troubleshooting ................................................................................................................................ 254
14.3 Solving problems based on symptoms........................................................................................................................... 255
14.3.1 Symptom: The unit is NOT heating or cooling as expected........................................................................... 255
14.3.2 Symptom: Hot water does NOT reach the desired temperature.................................................................. 255
14.3.3 Symptom: The compressor does NOT start (space heating or domestic water heating) ............................ 256
14.3.4 Symptom: The system is making gurgling noises after commissioning ........................................................ 256
14.3.5 Symptom: The pump is making noise (cavitation)......................................................................................... 257
14.3.6 Symptom: The pressure relief valve opens.................................................................................................... 257
14.3.7 Symptom: The water pressure relief valve leaks ........................................................................................... 258
14.3.8 Symptom: The space is NOT sufficiently heated at low outdoor temperatures........................................... 258
14.3.9 Symptom: The pressure at the tapping point is temporarily unusually high................................................ 259
14.3.10 Symptom: Tank disinfection function is NOT completed correctly (AH-error)............................................. 259
14.4 Solving problems based on error codes......................................................................................................................... 260
14.4.1 To display the help text in case of a malfunction .......................................................................................... 260
14.4.2 Error codes: Overview .................................................................................................................................... 260
15 Disposal 265
15.1 Overview: Disposal.......................................................................................................................................................... 265
15.2 To pump down................................................................................................................................................................ 265
16 Technical data 267
16.1 Piping diagram: Outdoor unit......................................................................................................................................... 268
16.2 Piping diagram: Indoor unit............................................................................................................................................ 269
16.3 Wiring diagram: Outdoor unit ........................................................................................................................................ 270
16.4 Wiring diagram: Indoor unit ........................................................................................................................................... 272
16.5 Table 1 – Maximum refrigerant charge allowed in a room: indoor unit....................................................................... 278
16.6 Table 2 – Minimum floor area: indoor unit.................................................................................................................... 278
16.7 Table 3 – Minimum bottom opening area for natural ventilation: indoor unit ............................................................ 279
16.8 ESP curve: Indoor unit..................................................................................................................................................... 280
17 Glossary 281
18 Field settings table 282
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