Daikin EPRA08EAV3, Installer'S Reference Manual

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Table of contents
Installer reference guide
4
EPRA08~W1 + ETVH/9W
Daikin Altherma 3 H MT F
4P634886-1 – 2021.03
10.3 Possible screens .............................................................................................................................................................. 135
10.3.1
Possible screens: Overview ............................................................................................................................ 135
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 ............................................................................................................................................... 216
10.5.11 User profile ..................................................................................................................................................... 216
10.5.12 Operation........................................................................................................................................................ 216
10.5.13 WLAN .............................................................................................................................................................. 217
10.6 Menu structure: Overview user settings........................................................................................................................ 219
10.7 Menu structure: Overview installer settings.................................................................................................................. 220
11 Commissioning 222
11.1 Overview: Commissioning .............................................................................................................................................. 222
11.2 Precautions when commissioning .................................................................................................................................. 223
11.3 Checklist before commissioning..................................................................................................................................... 223
11.4 Checklist during commissioning ..................................................................................................................................... 224
11.4.1
Minimum flow rate......................................................................................................................................... 224
11.4.2 Air purge function........................................................................................................................................... 225
11.4.3 Operation test run.......................................................................................................................................... 226
11.4.4 Actuator test run ............................................................................................................................................ 227
11.4.5 Underfloor heating screed dryout ................................................................................................................. 228
12 Hand-over to the user 232
13 Maintenance and service 233
13.1 Overview: Maintenance and service .............................................................................................................................. 233
13.2 Maintenance safety precautions.................................................................................................................................... 233
13.3 Yearly maintenance ........................................................................................................................................................ 234
13.3.1
Yearly maintenance outdoor unit: overview ................................................................................................. 234
13.3.2 Yearly maintenance outdoor unit: instructions............................................................................................. 234
13.3.3 Yearly maintenance indoor unit: overview.................................................................................................... 234
13.3.4 Yearly maintenance indoor unit: instructions ............................................................................................... 234
13.4 To drain the domestic hot water tank............................................................................................................................ 237
13.5 About cleaning the water filter in case of trouble ......................................................................................................... 237
13.5.1
To remove the water filter ............................................................................................................................. 238
13.5.2 To clean the water filter in case of trouble.................................................................................................... 238
13.5.3 To install the water filter ................................................................................................................................ 239
14 Troubleshooting 241
14.1 Overview: Troubleshooting ............................................................................................................................................ 241
14.2 Precautions when troubleshooting ................................................................................................................................ 241
14.3 Solving problems based on symptoms........................................................................................................................... 242
14.3.1
Symptom: The unit is NOT heating or cooling as expected........................................................................... 242
14.3.2 Symptom: Hot water does NOT reach the desired temperature.................................................................. 243
14.3.3 Symptom: The compressor does NOT start (space heating or domestic water heating) ............................ 243
14.3.4 Symptom: The system is making gurgling noises after commissioning ........................................................ 243
14.3.5 Symptom: The pump is blocked..................................................................................................................... 244
14.3.6 Symptom: The pump is making noise (cavitation)......................................................................................... 245
14.3.7 Symptom: The pressure relief valve opens.................................................................................................... 246
14.3.8 Symptom: The water pressure relief valve leaks........................................................................................... 246
14.3.9 Symptom: The space is NOT sufficiently heated at low outdoor temperatures........................................... 247
14.3.10 Symptom: The pressure at the tapping point is temporarily unusually high................................................ 248