Table of contents
Installer reference guide
5
ERGA04~08E + EHVH04+08SU18+23E
Daikin Altherma 3 R F
4P629090-1C – 2022.08
13 Maintenance and service 243
13.1 Maintenance safety precautions.................................................................................................................................... 243
13.2 Yearly maintenance ........................................................................................................................................................ 244
13.2.1 Yearly maintenance outdoor unit: overview ................................................................................................. 244
13.2.2 Yearly maintenance outdoor unit: instructions ............................................................................................. 244
13.2.3 Yearly maintenance indoor unit: overview .................................................................................................... 244
13.2.4 Yearly maintenance indoor unit: instructions ............................................................................................... 244
13.3 To drain the domestic hot water tank............................................................................................................................ 247
13.4 To inspect the inside of the domestic hot water tank ................................................................................................... 248
13.5 About cleaning the water filter in case of trouble ......................................................................................................... 249
13.5.1 To remove the water filter ............................................................................................................................. 249
13.5.2 To clean the water filter in case of trouble.................................................................................................... 250
13.5.3 To install the water filter ................................................................................................................................ 251
14 Troubleshooting 252
14.1 Overview: Troubleshooting ............................................................................................................................................ 252
14.2 Precautions when troubleshooting ................................................................................................................................ 252
14.3 Solving problems based on symptoms........................................................................................................................... 253
14.3.1 Symptom: The unit is NOT heating or cooling as expected........................................................................... 253
14.3.2 Symptom: Hot water does NOT reach the desired temperature.................................................................. 254
14.3.3 Symptom: The compressor does NOT start (space heating or domestic water heating) ............................ 254
14.3.4 Symptom: The system is making gurgling noises after commissioning ........................................................ 255
14.3.5 Symptom: The pump is making noise (cavitation)......................................................................................... 255
14.3.6 Symptom: The pressure relief valve opens.................................................................................................... 256
14.3.7 Symptom: The water pressure relief valve leaks ........................................................................................... 256
14.3.8 Symptom: The space is NOT sufficiently heated at low outdoor temperatures........................................... 257
14.3.9 Symptom: The pressure at the tapping point is temporarily unusually high................................................ 258
14.3.10 Symptom: Decoration panels are pushed away due to a swollen tank ........................................................ 258
14.3.11 Symptom: Tank disinfection function is NOT completed correctly (AH-error)............................................. 258
14.4 Solving problems based on error codes......................................................................................................................... 258
14.4.1 To display the help text in case of a malfunction .......................................................................................... 259
14.4.2 Error codes: Overview .................................................................................................................................... 259
15 Disposal 263
15.1 Overview: Disposal.......................................................................................................................................................... 263
15.2 To pump down................................................................................................................................................................ 263
16 Technical data 265
16.1 Piping diagram: Outdoor unit......................................................................................................................................... 266
16.2 Piping diagram: Indoor unit............................................................................................................................................ 267
16.3 Wiring diagram: Outdoor unit ........................................................................................................................................ 268
16.4 Wiring diagram: Indoor unit ........................................................................................................................................... 270
16.5 Table 1 – Maximum refrigerant charge allowed in a room: indoor unit....................................................................... 276
16.6 Table 2 – Minimum floor area: indoor unit.................................................................................................................... 277
16.7 Table 3 – Minimum bottom opening area for natural ventilation: indoor unit ............................................................ 277
16.8 ESP curve: Indoor unit..................................................................................................................................................... 279
16.9 Technical specifications: Domestic hot water tank........................................................................................................ 279
16.9.1 Test results in accordance with EN12897 (2016) .......................................................................................... 279
16.9.2 Warning label.................................................................................................................................................. 280
17 Glossary 282
18 Field settings table 283
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