Table of contents
Installer reference guide
5
ERLA11~16D + EBVZ16S18+23D
Daikin Altherma 3 R F
4P643604-1B – 2022.05
14.2.2 Yearly maintenance outdoor unit: instructions ............................................................................................. 239
14.2.3 Yearly maintenance indoor unit: overview .................................................................................................... 239
14.2.4 Yearly maintenance indoor unit: instructions ............................................................................................... 239
14.3 To drain the domestic hot water tank............................................................................................................................ 242
14.4 About cleaning the water filter in case of trouble ......................................................................................................... 243
14.4.1 To remove the water filter ............................................................................................................................. 243
14.4.2 To clean the water filter in case of trouble.................................................................................................... 244
14.4.3 To install the water filter ................................................................................................................................ 245
15 Troubleshooting 246
15.1 Overview: Troubleshooting ............................................................................................................................................ 246
15.2 Precautions when troubleshooting ................................................................................................................................ 246
15.3 Solving problems based on symptoms........................................................................................................................... 247
15.3.1 Symptom: The unit is NOT heating or cooling as expected........................................................................... 247
15.3.2 Symptom: Hot water does NOT reach the desired temperature.................................................................. 248
15.3.3 Symptom: The compressor does NOT start (space heating or domestic water heating) ............................ 248
15.3.4 Symptom: The system is making gurgling noises after commissioning ........................................................ 248
15.3.5 Symptom: The pump is blocked..................................................................................................................... 249
15.3.6 Symptom: The pump is making noise (cavitation)......................................................................................... 250
15.3.7 Symptom: The pressure relief valve opens.................................................................................................... 250
15.3.8 Symptom: The water pressure relief valve leaks ........................................................................................... 250
15.3.9 Symptom: The space is NOT sufficiently heated at low outdoor temperatures........................................... 251
15.3.10 Symptom: The pressure at the tapping point is temporarily unusually high................................................ 252
15.3.11 Symptom: Tank disinfection function is NOT completed correctly (AH-error)............................................. 252
15.4 Solving problems based on error codes......................................................................................................................... 252
15.4.1 To display the help text in case of a malfunction .......................................................................................... 253
15.4.2 Error codes: Overview .................................................................................................................................... 253
16 Disposal 258
16.1 To recover refrigerant..................................................................................................................................................... 258
16.1.1 To open the stop valves ................................................................................................................................. 259
16.1.2 To manually open the electronic expansion valves ....................................................................................... 259
16.1.3 Recovery mode — In case of 3N~ models (7-segments display) .................................................................. 260
16.1.4 Recovery mode — In case of 1N~ models (7-LEDs display) .......................................................................... 263
17 Technical data 265
17.1 Service space: Outdoor unit ........................................................................................................................................... 266
17.2 Piping diagram: Outdoor unit......................................................................................................................................... 267
17.3 Piping diagram: Indoor unit............................................................................................................................................ 268
17.4 Wiring diagram: Outdoor unit ........................................................................................................................................ 270
17.5 Wiring diagram: Indoor unit ........................................................................................................................................... 271
17.6 ESP curve: Indoor unit..................................................................................................................................................... 277
18 Glossary 278
19 Field settings table 279
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