Table of contents
Installer reference guide
4
EPRA14~18DAV3+W1 + ETVH/X16S18+23DA6V+9W(G)
Daikin Altherma 3 H HT F
4P587502-1B – 2020.12
9.3.5 Setpoint screen............................................................................................................................................... 124
9.3.6 Detailed screen with values ........................................................................................................................... 125
9.3.7 Schedule screen: Example.............................................................................................................................. 125
9.4 Weather-dependent curve ............................................................................................................................................. 130
9.4.1 What is a weather-dependent curve? ........................................................................................................... 130
9.4.2 2-points curve................................................................................................................................................. 130
9.4.3 Slope-offset curve........................................................................................................................................... 131
9.4.4 Using weather-dependent curves.................................................................................................................. 133
9.5 Settings menu ................................................................................................................................................................. 135
9.5.1 Malfunctioning ............................................................................................................................................... 135
9.5.2 Room............................................................................................................................................................... 135
9.5.3 Main zone ....................................................................................................................................................... 139
9.5.4 Additional zone............................................................................................................................................... 149
9.5.5 Space heating/cooling .................................................................................................................................... 155
9.5.6 Tank................................................................................................................................................................. 163
9.5.7 User settings ................................................................................................................................................... 170
9.5.8 Information..................................................................................................................................................... 175
9.5.9 Installer settings ............................................................................................................................................. 176
9.5.10 Commissioning ............................................................................................................................................... 194
9.5.11 Operation........................................................................................................................................................ 194
9.5.12 WLAN .............................................................................................................................................................. 195
9.6 Menu structure: Overview user settings........................................................................................................................ 197
9.7 Menu structure: Overview installer settings.................................................................................................................. 198
10 Commissioning 199
10.1 Overview: Commissioning .............................................................................................................................................. 199
10.2 Precautions when commissioning .................................................................................................................................. 200
10.3 Checklist before commissioning ..................................................................................................................................... 200
10.4 Checklist during commissioning ..................................................................................................................................... 201
10.4.1 Minimum flow rate......................................................................................................................................... 201
10.4.2 Air purge function........................................................................................................................................... 202
10.4.3 Operation test run.......................................................................................................................................... 203
10.4.4 Actuator test run ............................................................................................................................................ 204
10.4.5 Underfloor heating screed dryout ................................................................................................................. 205
11 Hand-over to the user 209
12 Maintenance and service 210
12.1 Overview: Maintenance and service .............................................................................................................................. 210
12.2 Maintenance safety precautions .................................................................................................................................... 210
12.3 Yearly maintenance ........................................................................................................................................................ 211
12.3.1 Yearly maintenance outdoor unit: overview ................................................................................................. 211
12.3.2 Yearly maintenance outdoor unit: instructions............................................................................................. 211
12.3.3 Yearly maintenance indoor unit: overview.................................................................................................... 211
12.3.4 Yearly maintenance indoor unit: instructions ............................................................................................... 211
12.4 To drain the domestic hot water tank............................................................................................................................ 214
12.5 About cleaning the water filter in case of trouble ......................................................................................................... 214
12.5.1 To remove the water filter ............................................................................................................................. 215
12.5.2 To clean the water filter in case of trouble.................................................................................................... 215
12.5.3 To install the water filter ................................................................................................................................ 216
13 Troubleshooting 218
13.1 Overview: Troubleshooting ............................................................................................................................................ 218
13.2 Precautions when troubleshooting ................................................................................................................................ 218
13.3 Solving problems based on symptoms........................................................................................................................... 219
13.3.1 Symptom: The unit is NOT heating or cooling as expected........................................................................... 219
13.3.2 Symptom: Hot water does NOT reach the desired temperature.................................................................. 220
13.3.3 Symptom: The compressor does NOT start (space heating or domestic water heating) ............................ 220
13.3.4 Symptom: The system is making gurgling noises after commissioning ........................................................ 220
13.3.5 Symptom: The pump is blocked..................................................................................................................... 221
13.3.6 Symptom: The pump is making noise (cavitation)......................................................................................... 221
13.3.7 Symptom: The pressure relief valve opens.................................................................................................... 222
13.3.8 Symptom: The water pressure relief valve leaks........................................................................................... 222
13.3.9 Symptom: The space is NOT sufficiently heated at low outdoor temperatures........................................... 223
13.3.10 Symptom: The pressure at the tapping point is temporarily unusually high................................................ 224
13.3.11 Symptom: Tank disinfection function is NOT completed correctly (AH-error)............................................. 224
13.4 Solving problems based on error codes ......................................................................................................................... 224
13.4.1 To display the help text in case of a malfunction .......................................................................................... 225
13.4.2 Error codes: Overview .................................................................................................................................... 225
14 Disposal 230
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