Table of contents
Installer reference guide
4
EPRA08~12EAV3+W1 + ETBH/X12EF6V+9W
Daikin Altherma 3 H MT W
4P634885-1 – 2021.03
10.3.2 Home screen................................................................................................................................................... 136
10.3.3 Main menu screen.......................................................................................................................................... 138
10.3.4 Menu screen................................................................................................................................................... 139
10.3.5 Setpoint screen............................................................................................................................................... 140
10.3.6 Detailed screen with values ........................................................................................................................... 141
10.3.7 Schedule screen: Example.............................................................................................................................. 141
10.4 Weather-dependent curve ............................................................................................................................................. 145
10.4.1 What is a weather-dependent curve? ........................................................................................................... 145
10.4.2 2-points curve................................................................................................................................................. 146
10.4.3 Slope-offset curve........................................................................................................................................... 147
10.4.4 Using weather-dependent curves.................................................................................................................. 148
10.5 Settings menu ................................................................................................................................................................. 150
10.5.1 Malfunctioning ............................................................................................................................................... 150
10.5.2 Room............................................................................................................................................................... 151
10.5.3 Main zone ....................................................................................................................................................... 155
10.5.4 Additional zone............................................................................................................................................... 165
10.5.5 Space heating/cooling .................................................................................................................................... 170
10.5.6 Tank................................................................................................................................................................. 179
10.5.7 User settings ................................................................................................................................................... 187
10.5.8 Information..................................................................................................................................................... 191
10.5.9 Installer settings ............................................................................................................................................. 192
10.5.10 Commissioning ............................................................................................................................................... 220
10.5.11 User profile ..................................................................................................................................................... 220
10.5.12 Operation........................................................................................................................................................ 221
10.5.13 WLAN .............................................................................................................................................................. 221
10.6 Menu structure: Overview user settings........................................................................................................................ 225
10.7 Menu structure: Overview installer settings.................................................................................................................. 226
11 Commissioning 228
11.1 Overview: Commissioning .............................................................................................................................................. 228
11.2 Precautions when commissioning.................................................................................................................................. 229
11.3 Checklist before commissioning..................................................................................................................................... 229
11.4 Checklist during commissioning ..................................................................................................................................... 230
11.4.1 Minimum flow rate......................................................................................................................................... 230
11.4.2 Air purge function........................................................................................................................................... 231
11.4.3 Operation test run.......................................................................................................................................... 232
11.4.4 Actuator test run ............................................................................................................................................ 233
11.4.5 Underfloor heating screed dryout ................................................................................................................. 234
12 Hand-over to the user 238
13 Maintenance and service 239
13.1 Overview: Maintenance and service .............................................................................................................................. 239
13.2 Maintenance safety precautions.................................................................................................................................... 239
13.3 Yearly maintenance ........................................................................................................................................................ 240
13.3.1 Yearly maintenance outdoor unit: overview ................................................................................................. 240
13.3.2 Yearly maintenance outdoor unit: instructions............................................................................................. 240
13.3.3 Yearly maintenance indoor unit: overview.................................................................................................... 240
13.3.4 Yearly maintenance indoor unit: instructions ............................................................................................... 240
13.4 About cleaning the water filter in case of trouble ......................................................................................................... 242
13.4.1 To remove the water filter ............................................................................................................................. 243
13.4.2 To clean the water filter in case of trouble.................................................................................................... 243
13.4.3 To install the water filter ................................................................................................................................ 244
14 Troubleshooting 246
14.1 Overview: Troubleshooting ............................................................................................................................................ 246
14.2 Precautions when troubleshooting ................................................................................................................................ 246
14.3 Solving problems based on symptoms........................................................................................................................... 247
14.3.1 Symptom: The unit is NOT heating or cooling as expected........................................................................... 247
14.3.2 Symptom: Hot water does NOT reach the desired temperature.................................................................. 248
14.3.3 Symptom: The compressor does NOT start (space heating or domestic water heating) ............................ 248
14.3.4 Symptom: The system is making gurgling noises after commissioning ........................................................ 248
14.3.5 Symptom: The pump is blocked..................................................................................................................... 249
14.3.6 Symptom: The pump is making noise (cavitation)......................................................................................... 250
14.3.7 Symptom: The pressure relief valve opens.................................................................................................... 250
14.3.8 Symptom: The water pressure relief valve leaks........................................................................................... 251
14.3.9 Symptom: The space is NOT sufficiently heated at low outdoor temperatures........................................... 251
14.3.10 Symptom: The pressure at the tapping point is temporarily unusually high................................................ 252
14.3.11 Symptom: Tank disinfection function is NOT completed correctly (AH-error)............................................. 252
14.4 Solving problems based on error codes......................................................................................................................... 253
14.4.1 To display the help text in case of a malfunction .......................................................................................... 253
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