Detailed screen with values ........................................................................................................................... 129

9.3.7

Schedule screen: Example.............................................................................................................................. 129

9.4

Weather-dependent curve ............................................................................................................................................. 133

9.4.1

What is a weather-dependent curve? ........................................................................................................... 133

9.4.2

2-points curve................................................................................................................................................. 134

9.4.3

Slope-offset curve........................................................................................................................................... 135

9.4.4

Using weather-dependent curves.................................................................................................................. 136

9.5

Settings menu ................................................................................................................................................................. 138

9.5.1

Malfunctioning ............................................................................................................................................... 138

9.5.2

Room............................................................................................................................................................... 139

9.5.3

Main zone ....................................................................................................................................................... 143

9.5.4

Additional zone............................................................................................................................................... 152

9.5.5

Space heating/cooling .................................................................................................................................... 158

9.5.6

Tank................................................................................................................................................................. 166

9.5.7

User settings ................................................................................................................................................... 173

9.5.8

Information..................................................................................................................................................... 177

9.5.9

Installer settings ............................................................................................................................................. 178

9.5.10

Commissioning ............................................................................................................................................... 199

9.5.11

Operation........................................................................................................................................................ 199

9.5.12

WLAN adapter ................................................................................................................................................ 200

9.6

Menu structure: Overview user settings........................................................................................................................ 202

9.7

Menu structure: Overview installer settings.................................................................................................................. 203

10 Commissioning

10.1

Overview: Commissioning .............................................................................................................................................. 204

10.2

Precautions when commissioning .................................................................................................................................. 205

10.3

Checklist before commissioning..................................................................................................................................... 205

10.4

Checklist during commissioning ..................................................................................................................................... 206

10.4.1

Minimum flow rate......................................................................................................................................... 206

10.4.2

Air purge function........................................................................................................................................... 207

10.4.3

Operation test run.......................................................................................................................................... 208

10.4.4

Actuator test run ............................................................................................................................................ 209

10.4.5

Underfloor heating screed dryout ................................................................................................................. 210

11 Hand-over to the user

12 Maintenance and service

12.1

Overview: Maintenance and service .............................................................................................................................. 215

12.2

Maintenance safety precautions.................................................................................................................................... 215

12.3

Yearly maintenance ........................................................................................................................................................ 216

12.3.1

Yearly maintenance outdoor unit: overview ................................................................................................. 216

12.3.2

Yearly maintenance outdoor unit: instructions............................................................................................. 216

12.3.3

Yearly maintenance indoor unit: overview.................................................................................................... 216

12.3.4

Yearly maintenance indoor unit: instructions ............................................................................................... 216

12.4

About cleaning the water filter in case of trouble ......................................................................................................... 219

12.4.1

To remove the water filter ............................................................................................................................. 219

12.4.2

To clean the water filter in case of trouble.................................................................................................... 219

12.4.3

To install the water filter ................................................................................................................................ 221

13 Troubleshooting

13.1

Overview: Troubleshooting ............................................................................................................................................ 222

13.2

Precautions when troubleshooting ................................................................................................................................ 222

13.3

Solving problems based on symptoms........................................................................................................................... 223

13.3.1

Symptom: The unit is NOT heating or cooling as expected........................................................................... 223

13.3.2

Symptom: Hot water does NOT reach the desired temperature.................................................................. 224

13.3.3

Symptom: The compressor does NOT start (space heating or domestic water heating) ............................ 224

13.3.4

Symptom: The system is making gurgling noises after commissioning ........................................................ 224

13.3.5

Symptom: The pump is blocked..................................................................................................................... 225

13.3.6

Symptom: The pump is making noise (cavitation)......................................................................................... 225

13.3.7

Symptom: The pressure relief valve opens.................................................................................................... 226

13.3.8

Symptom: The water pressure relief valve leaks........................................................................................... 226

13.3.9

Symptom: The space is NOT sufficiently heated at low outdoor temperatures........................................... 227

13.3.10 Symptom: The pressure at the tapping point is temporarily unusually high................................................ 228

13.3.11 Symptom: Tank disinfection function is NOT completed correctly (AH-error)............................................. 228

13.4

Solving problems based on error codes ......................................................................................................................... 228

13.4.1

To display the help text in case of a malfunction .......................................................................................... 228

13.4.2

Error codes: Overview .................................................................................................................................... 229

14 Disposal

14.1

To recover refrigerant..................................................................................................................................................... 234

EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W

Daikin Altherma 3 H HT W

4P587501-1A - 2020.01

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