Daikin EVLQ08CAV3 [5/252] Table of contents

Daikin EVLQ08CAV3 [5/252] Table of contents
Table of contents
Installer reference guide
5
EVLQ05+08CAV3 + EHYHBH05AF + EHYHBH/X08AF + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1F – 2020.10
12.7 To assemble the gas boiler ............................................................................................................................................. 202
13 Troubleshooting 204
13.1 Overview: Troubleshooting ............................................................................................................................................ 204
13.2 Precautions when troubleshooting ................................................................................................................................ 204
13.3 Solving problems based on symptoms........................................................................................................................... 205
13.3.1 Symptom: The unit is NOT heating or cooling as expected........................................................................... 205
13.3.2 Symptom: The compressor does NOT start (space heating or domestic water heating) ............................ 206
13.3.3 Symptom: The pump is making noise (cavitation)......................................................................................... 206
13.3.4 Symptom: The pressure relief valve opens.................................................................................................... 206
13.3.5 Symptom: The water pressure relief valve leaks........................................................................................... 207
13.3.6 Symptom: The space is NOT sufficiently heated at low outdoor temperatures........................................... 207
13.3.7 Symptom: The pressure at the tapping point is temporarily unusually high................................................ 208
13.3.8 Symptom: Tank disinfection function is NOT completed correctly (AH-error)............................................. 208
13.3.9 Symptom: Boiler abnormality detection (HJ-11 error).................................................................................. 209
13.3.10 Symptom: Boiler/hydrobox combination abnormality (UA-52 error)........................................................... 209
13.3.11 Symptom: The burner does NOT ignite ......................................................................................................... 209
13.3.12 Symptom: The burner ignites noisily ............................................................................................................. 210
13.3.13 Symptom: The burner resonates ................................................................................................................... 210
13.3.14 Symptom: No space heating by the gas boiler .............................................................................................. 210
13.3.15 Symptom: The power is reduced ................................................................................................................... 211
13.3.16 Symptom: Space heating does NOT reach the temperature ........................................................................ 211
13.3.17 Symptom: Hot water does NOT reach the temperature (no tank installed) ................................................ 211
13.3.18 Symptom: Hot water does NOT reach the temperature (tank installed) ..................................................... 211
13.4 Solving problems based on error codes ......................................................................................................................... 212
13.4.1 Error codes: Overview .................................................................................................................................... 212
14 Disposal 220
14.1 Overview: Disposal.......................................................................................................................................................... 220
14.2 To pump down ................................................................................................................................................................ 220
14.3 To start and stop forced cooling..................................................................................................................................... 221
15 Technical data 222
15.1 Piping diagram: Outdoor unit ......................................................................................................................................... 222
15.2 Piping diagram: Indoor unit ............................................................................................................................................ 223
15.3 Wiring diagram: Outdoor unit ........................................................................................................................................ 224
15.4 Wiring diagram: Indoor unit ........................................................................................................................................... 225
15.5 Wiring diagram: Gas boiler ............................................................................................................................................. 231
15.6 ESP curve: Indoor unit..................................................................................................................................................... 232
15.7 Technical specifications: Gas boiler................................................................................................................................ 233
15.7.1 General ........................................................................................................................................................... 233
15.7.2 Energy-related products specifications ......................................................................................................... 235
15.7.3 Appliance category and supply pressure ....................................................................................................... 236
16 Glossary 240
17 Field settings table 241

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