Table of contents
Installer reference guide
4
EPRA14~18DAV3+W1 + ETVH16SU18+23EA6V
Daikin Altherma 3 H HT F
4P644738-1 – 2021.02
10.1.1 To access the most used commands ............................................................................................................. 135
10.1.2 To connect the PC cable to the switch box.................................................................................................... 137
10.2 Configuration wizard....................................................................................................................................................... 138
10.3 Possible screens .............................................................................................................................................................. 139
10.3.1 Possible screens: Overview ............................................................................................................................ 139
10.3.2 Home screen................................................................................................................................................... 140
10.3.3 Main menu screen.......................................................................................................................................... 143
10.3.4 Menu screen................................................................................................................................................... 144
10.3.5 Setpoint screen............................................................................................................................................... 144
10.3.6 Detailed screen with values ........................................................................................................................... 145
10.3.7 Schedule screen: Example.............................................................................................................................. 145
10.4 Weather-dependent curve ............................................................................................................................................. 150
10.4.1 What is a weather-dependent curve? ........................................................................................................... 150
10.4.2 2-points curve................................................................................................................................................. 150
10.4.3 Slope-offset curve........................................................................................................................................... 151
10.4.4 Using weather-dependent curves.................................................................................................................. 153
10.5 Settings menu ................................................................................................................................................................. 155
10.5.1 Malfunctioning ............................................................................................................................................... 155
10.5.2 Room............................................................................................................................................................... 155
10.5.3 Main zone ....................................................................................................................................................... 159
10.5.4 Additional zone............................................................................................................................................... 169
10.5.5 Space heating/cooling .................................................................................................................................... 174
10.5.6 Tank................................................................................................................................................................. 183
10.5.7 User settings ................................................................................................................................................... 190
10.5.8 Information..................................................................................................................................................... 195
10.5.9 Installer settings ............................................................................................................................................. 196
10.5.10 Commissioning ............................................................................................................................................... 218
10.5.11 User profile ..................................................................................................................................................... 218
10.5.12 Operation........................................................................................................................................................ 219
10.5.13 WLAN .............................................................................................................................................................. 219
10.6 Menu structure: Overview user settings........................................................................................................................ 222
10.7 Menu structure: Overview installer settings.................................................................................................................. 223
11 Commissioning 225
11.1 Overview: Commissioning .............................................................................................................................................. 225
11.2 Precautions when commissioning.................................................................................................................................. 226
11.3 Checklist before commissioning..................................................................................................................................... 226
11.4 Checklist during commissioning ..................................................................................................................................... 227
11.4.1 Minimum flow rate......................................................................................................................................... 227
11.4.2 Air purge function........................................................................................................................................... 228
11.4.3 Operation test run.......................................................................................................................................... 229
11.4.4 Actuator test run ............................................................................................................................................ 230
11.4.5 Underfloor heating screed dryout ................................................................................................................. 231
12 Hand-over to the user 235
13 Maintenance and service 236
13.1 Overview: Maintenance and service .............................................................................................................................. 236
13.2 Maintenance safety precautions.................................................................................................................................... 236
13.3 Yearly maintenance ........................................................................................................................................................ 237
13.3.1 Yearly maintenance outdoor unit: overview ................................................................................................. 237
13.3.2 Yearly maintenance outdoor unit: instructions............................................................................................. 237
13.3.3 Yearly maintenance indoor unit: overview.................................................................................................... 237
13.3.4 Yearly maintenance indoor unit: instructions ............................................................................................... 237
13.4 To drain the domestic hot water tank............................................................................................................................ 241
13.5 To inspect the inside of the domestic hot water tank ................................................................................................... 242
13.6 About cleaning the water filter in case of trouble ......................................................................................................... 242
13.6.1 To remove the water filter ............................................................................................................................. 243
13.6.2 To clean the water filter in case of trouble.................................................................................................... 243
13.6.3 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)......................................................................................... 249
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