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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
15.1
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
16.1
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
17.1
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
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Installer reference guide
5
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