Daikin Altherma 3 R W - User Safety Guidelines

Table of contents
Installer reference guide
5
ERLA11~16D + EBBH/X11+16D
Daikin Altherma 3 R W
4P643603-1B – 2022.05
14.2.1 Yearly maintenance outdoor unit: overview ................................................................................................. 263
14.2.2 Yearly maintenance outdoor unit: instructions ............................................................................................. 263
14.2.3 Yearly maintenance indoor unit: overview .................................................................................................... 263
14.2.4 Yearly maintenance indoor unit: instructions ............................................................................................... 263
14.3 About cleaning the water filter in case of trouble ......................................................................................................... 265
14.3.1 To remove the water filter ............................................................................................................................. 265
14.3.2 To clean the water filter in case of trouble.................................................................................................... 266
14.3.3 To install the water filter ................................................................................................................................ 267
15 Troubleshooting 269
15.1 Overview: Troubleshooting ............................................................................................................................................ 269
15.2 Precautions when troubleshooting ................................................................................................................................ 269
15.3 Solving problems based on symptoms........................................................................................................................... 270
15.3.1 Symptom: The unit is NOT heating or cooling as expected........................................................................... 270
15.3.2 Symptom: Hot water does NOT reach the desired temperature.................................................................. 270
15.3.3 Symptom: The compressor does NOT start (space heating or domestic water heating) ............................ 271
15.3.4 Symptom: The system is making gurgling noises after commissioning ........................................................ 271
15.3.5 Symptom: The pump is blocked..................................................................................................................... 273
15.3.6 Symptom: The pump is making noise (cavitation)......................................................................................... 273
15.3.7 Symptom: The pressure relief valve opens.................................................................................................... 274
15.3.8 Symptom: The water pressure relief valve leaks ........................................................................................... 274
15.3.9 Symptom: The space is NOT sufficiently heated at low outdoor temperatures........................................... 275
15.3.10 Symptom: The pressure at the tapping point is temporarily unusually high................................................ 276
15.3.11 Symptom: Tank disinfection function is NOT completed correctly (AH-error)............................................. 276
15.4 Solving problems based on error codes......................................................................................................................... 276
15.4.1 To display the help text in case of a malfunction .......................................................................................... 277
15.4.2 Error codes: Overview .................................................................................................................................... 277
16 Disposal 282
16.1 To recover refrigerant..................................................................................................................................................... 282
16.1.1 To open the stop valves ................................................................................................................................. 283
16.1.2 To manually open the electronic expansion valves ....................................................................................... 283
16.1.3 Recovery mode — In case of 3N~ models (7-segments display) .................................................................. 284
16.1.4 Recovery mode — In case of 1N~ models (7-LEDs display) .......................................................................... 287
17 Technical data 289
17.1 Service space: Outdoor unit ........................................................................................................................................... 290
17.2 Piping diagram: Outdoor unit......................................................................................................................................... 292
17.3 Piping diagram: Indoor unit............................................................................................................................................ 293
17.4 Wiring diagram: Outdoor unit ........................................................................................................................................ 294
17.5 Wiring diagram: Indoor unit ........................................................................................................................................... 295
17.6 ESP curve: Indoor unit..................................................................................................................................................... 301
18 Glossary 302
19 Field settings table 303