Table of contents
Installer reference guide
5
ERLA11~16D + EBVH16SU23D
Daikin Altherma 3 R F
4P655196-1A – 2022.05
12.4.5 Underfloor heating screed dryout ................................................................................................................. 251
13 Hand-over to the user 255
14 Maintenance and service 256
14.1 Maintenance safety precautions.................................................................................................................................... 256
14.2 Yearly maintenance ........................................................................................................................................................ 257
14.2.1 Yearly maintenance outdoor unit: overview ................................................................................................. 257
14.2.2 Yearly maintenance outdoor unit: instructions ............................................................................................. 257
14.2.3 Yearly maintenance indoor unit: overview .................................................................................................... 257
14.2.4 Yearly maintenance indoor unit: instructions ............................................................................................... 257
14.3 To drain the domestic hot water tank............................................................................................................................ 260
14.4 To inspect the inside of the domestic hot water tank ................................................................................................... 261
14.5 About cleaning the water filter in case of trouble ......................................................................................................... 262
14.5.1 To remove the water filter ............................................................................................................................. 262
14.5.2 To clean the water filter in case of trouble.................................................................................................... 263
14.5.3 To install the water filter ................................................................................................................................ 264
15 Troubleshooting 265
15.1 Overview: Troubleshooting ............................................................................................................................................ 265
15.2 Precautions when troubleshooting ................................................................................................................................ 265
15.3 Solving problems based on symptoms........................................................................................................................... 266
15.3.1 Symptom: The unit is NOT heating or cooling as expected........................................................................... 266
15.3.2 Symptom: Hot water does NOT reach the desired temperature.................................................................. 267
15.3.3 Symptom: The compressor does NOT start (space heating or domestic water heating) ............................ 267
15.3.4 Symptom: The system is making gurgling noises after commissioning ........................................................ 267
15.3.5 Symptom: The pump is blocked..................................................................................................................... 268
15.3.6 Symptom: The pump is making noise (cavitation)......................................................................................... 269
15.3.7 Symptom: The pressure relief valve opens.................................................................................................... 269
15.3.8 Symptom: The water pressure relief valve leaks ........................................................................................... 269
15.3.9 Symptom: The space is NOT sufficiently heated at low outdoor temperatures........................................... 270
15.3.10 Symptom: The pressure at the tapping point is temporarily unusually high................................................ 271
15.3.11 Symptom: Tank disinfection function is NOT completed correctly (AH-error)............................................. 271
15.4 Solving problems based on error codes......................................................................................................................... 271
15.4.1 To display the help text in case of a malfunction .......................................................................................... 272
15.4.2 Error codes: Overview .................................................................................................................................... 272
16 Disposal 277
16.1 To recover refrigerant..................................................................................................................................................... 277
16.1.1 To open the stop valves ................................................................................................................................. 278
16.1.2 To manually open the electronic expansion valves ....................................................................................... 278
16.1.3 Recovery mode — In case of 3N~ models (7-segments display) .................................................................. 279
16.1.4 Recovery mode — In case of 1N~ models (7-LEDs display) .......................................................................... 282
17 Technical data 284
17.1 Service space: Outdoor unit ........................................................................................................................................... 285
17.2 Piping diagram: Outdoor unit......................................................................................................................................... 286
17.3 Piping diagram: Indoor unit............................................................................................................................................ 287
17.4 Wiring diagram: Outdoor unit ........................................................................................................................................ 288
17.5 Wiring diagram: Indoor unit ........................................................................................................................................... 289
17.6 ESP curve: Indoor unit..................................................................................................................................................... 295
17.7 Technical specifications: Domestic hot water tank........................................................................................................ 295
17.7.1 Test results in accordance with EN12897 (2016) .......................................................................................... 295
17.7.2 Warning label.................................................................................................................................................. 296
18 Glossary 297
19 Field settings table 298