Table of contents
Installer reference guide
4
EPRA14~18D + ETVH16SU18+23E
Daikin Altherma 3 H HT F
4P644738-1A – 2022.03
10.2 Configuration wizard....................................................................................................................................................... 140
10.3 Possible screens.............................................................................................................................................................. 142
10.3.1 Possible screens: Overview ............................................................................................................................ 142
10.3.2 Home screen................................................................................................................................................... 143
10.3.3 Main menu screen.......................................................................................................................................... 145
10.3.4 Menu screen................................................................................................................................................... 146
10.3.5 Setpoint screen............................................................................................................................................... 147
10.3.6 Detailed screen with values ........................................................................................................................... 148
10.3.7 Schedule screen: Example.............................................................................................................................. 148
10.4 Weather-dependent curve............................................................................................................................................. 152
10.4.1 What is a weather-dependent curve? ........................................................................................................... 152
10.4.2 2-points curve................................................................................................................................................. 153
10.4.3 Slope-offset curve........................................................................................................................................... 154
10.4.4 Using weather-dependent curves.................................................................................................................. 155
10.5 Settings menu ................................................................................................................................................................. 157
10.5.1 Malfunctioning ............................................................................................................................................... 157
10.5.2 Room............................................................................................................................................................... 158
10.5.3 Main zone ....................................................................................................................................................... 162
10.5.4 Additional zone............................................................................................................................................... 173
10.5.5 Space heating/cooling .................................................................................................................................... 177
10.5.6 Tank................................................................................................................................................................. 186
10.5.7 User settings ................................................................................................................................................... 194
10.5.8 Information..................................................................................................................................................... 199
10.5.9 Installer settings ............................................................................................................................................. 200
10.5.10 Commissioning ............................................................................................................................................... 223
10.5.11 User profile ..................................................................................................................................................... 223
10.5.12 Operation........................................................................................................................................................ 224
10.5.13 WLAN .............................................................................................................................................................. 224
10.6 Menu structure: Overview user settings........................................................................................................................ 227
10.7 Menu structure: Overview installer settings.................................................................................................................. 228
11 Commissioning 230
11.1 Overview: Commissioning .............................................................................................................................................. 230
11.2 Precautions when commissioning.................................................................................................................................. 231
11.3 Checklist before commissioning..................................................................................................................................... 231
11.4 Checklist during commissioning ..................................................................................................................................... 232
11.4.1 Minimum flow rate......................................................................................................................................... 232
11.4.2 Air purge function........................................................................................................................................... 233
11.4.3 Operation test run .......................................................................................................................................... 234
11.4.4 Actuator test run ............................................................................................................................................ 235
11.4.5 Underfloor heating screed dryout ................................................................................................................. 236
12 Hand-over to the user 240
13 Maintenance and service 241
13.1 Maintenance safety precautions.................................................................................................................................... 241
13.2 Yearly maintenance ........................................................................................................................................................ 241
13.2.1 Yearly maintenance outdoor unit: overview ................................................................................................. 241
13.2.2 Yearly maintenance outdoor unit: instructions ............................................................................................. 242
13.2.3 Yearly maintenance indoor unit: overview .................................................................................................... 242
13.2.4 Yearly maintenance indoor unit: instructions ............................................................................................... 242
13.3 To drain the domestic hot water tank............................................................................................................................ 245
13.4 To inspect the inside of the domestic hot water tank ................................................................................................... 246
13.5 About cleaning the water filter in case of trouble ......................................................................................................... 247
13.5.1 To remove the water filter ............................................................................................................................. 247
13.5.2 To clean the water filter in case of trouble.................................................................................................... 248
13.5.3 To install the water filter ................................................................................................................................ 249
14 Troubleshooting 251
14.1 Overview: Troubleshooting ............................................................................................................................................ 251
14.2 Precautions when troubleshooting ................................................................................................................................ 251
14.3 Solving problems based on symptoms........................................................................................................................... 252
14.3.1 Symptom: The unit is NOT heating or cooling as expected........................................................................... 252
14.3.2 Symptom: Hot water does NOT reach the desired temperature.................................................................. 253
14.3.3 Symptom: The compressor does NOT start (space heating or domestic water heating) ............................ 253
14.3.4 Symptom: The system is making gurgling noises after commissioning ........................................................ 254
14.3.5 Symptom: The pump is blocked..................................................................................................................... 254
14.3.6 Symptom: The pump is making noise (cavitation)......................................................................................... 255
14.3.7 Symptom: The pressure relief valve opens.................................................................................................... 255
14.3.8 Symptom: The water pressure relief valve leaks ........................................................................................... 256
14.3.9 Symptom: The space is NOT sufficiently heated at low outdoor temperatures........................................... 256
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