Table of Contents
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ERRA08~12E + ELVZ12S18+23E
Daikin Altherma 3 R MT F
4P708478-1 - 2023.05
14.1
Maintenance safety precautions.................................................................................................................................... 250
14.2
Yearly maintenance ........................................................................................................................................................ 251
14.2.1
Yearly maintenance outdoor unit: overview ................................................................................................. 251
14.2.2
Yearly maintenance outdoor unit: instructions............................................................................................. 251
14.2.3
Yearly maintenance indoor unit: overview.................................................................................................... 251
14.2.4
Yearly maintenance indoor unit: instructions ............................................................................................... 251
14.3
To drain the domestic hot water tank............................................................................................................................ 254
14.4
About cleaning the water filter in case of trouble ......................................................................................................... 255
14.4.1
To remove the water filter ............................................................................................................................. 255
14.4.2
To clean the water filter in case of trouble.................................................................................................... 256
14.4.3
To install the water filter ................................................................................................................................ 257
15.1
Overview: Troubleshooting ............................................................................................................................................ 258
15.2
Precautions when troubleshooting ................................................................................................................................ 258
15.3
Solving problems based on symptoms........................................................................................................................... 259
15.3.1
Symptom: The unit is NOT heating or cooling as expected........................................................................... 259
15.3.2
Symptom: Hot water does NOT reach the desired temperature.................................................................. 260
15.3.3
Symptom: The compressor does NOT start (space heating or domestic water heating) ............................ 260
15.3.4
Symptom: The system is making gurgling noises after commissioning ........................................................ 260
15.3.5
Symptom: The pump is blocked..................................................................................................................... 261
15.3.6
Symptom: The pump is making noise (cavitation)......................................................................................... 262
15.3.7
Symptom: The pressure relief valve opens.................................................................................................... 262
15.3.8
Symptom: The water pressure relief valve leaks........................................................................................... 262
15.3.9
Symptom: The space is NOT sufficiently heated at low outdoor temperatures........................................... 263
15.3.10 Symptom: The pressure at the tapping point is temporarily unusually high................................................ 264
15.3.11 Symptom: Tank disinfection function is NOT completed correctly (AH-error)............................................. 264
15.4
Solving problems based on error codes ......................................................................................................................... 264
15.4.1
To display the help text in case of a malfunction .......................................................................................... 265
15.4.2
Error codes: Overview .................................................................................................................................... 265
16.1
To recover refrigerant..................................................................................................................................................... 270
16.1.1
To open the stop valves ................................................................................................................................. 271
16.1.2
To manually open the electronic expansion valves....................................................................................... 271
16.1.3
Recovery mode - In case of 3N~ models (7-segments display) .................................................................. 273
16.1.4
Recovery mode - In case of 1N~ models (7-LEDs display) .......................................................................... 276
17.1
Service space: Outdoor unit ........................................................................................................................................... 279
17.2
Piping diagram: Outdoor unit ......................................................................................................................................... 280
17.3
Piping diagram: Indoor unit ............................................................................................................................................ 281
17.4
Wiring diagram: Outdoor unit ........................................................................................................................................ 283
17.5
Wiring diagram: Indoor unit ........................................................................................................................................... 288
17.6
ESP curve: Indoor unit..................................................................................................................................................... 294
Table of contents
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258
270
278
295
296
Installer reference guide
5
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