Daikin Altherma EHYHBH05A Series - Page 5

Table of contents
Installer reference guide
5
EVLQ05+08CA + EHYHBH05A + EHYHBH/X08A + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1G – 2022.09
15.3.3 Symptom: The pump is making noise (cavitation)......................................................................................... 217
15.3.4 Symptom: The pressure relief valve opens.................................................................................................... 218
15.3.5 Symptom: The water pressure relief valve leaks ........................................................................................... 218
15.3.6 Symptom: The space is NOT sufficiently heated at low outdoor temperatures........................................... 218
15.3.7 Symptom: The pressure at the tapping point is temporarily unusually high................................................ 219
15.3.8 Symptom: Tank disinfection function is NOT completed correctly (AH-error)............................................. 219
15.3.9 Symptom: Boiler abnormality detection (HJ-11 error).................................................................................. 220
15.3.10 Symptom: Boiler/hydrobox combination abnormality (UA-52 error)........................................................... 220
15.3.11 Symptom: The burner does NOT ignite ......................................................................................................... 220
15.3.12 Symptom: The burner ignites noisily ............................................................................................................. 221
15.3.13 Symptom: The burner resonates ................................................................................................................... 221
15.3.14 Symptom: No space heating by the gas boiler .............................................................................................. 222
15.3.15 Symptom: The power is reduced ................................................................................................................... 222
15.3.16 Symptom: Space heating does NOT reach the temperature ........................................................................ 222
15.3.17 Symptom: Hot water does NOT reach the temperature (no tank installed) ................................................ 222
15.3.18 Symptom: Hot water does NOT reach the temperature (tank installed) ..................................................... 223
15.4 Solving problems based on error codes......................................................................................................................... 223
15.4.1 Error codes: Overview .................................................................................................................................... 223
16 Disposal 232
16.1 Overview: Disposal.......................................................................................................................................................... 232
16.2 To pump down................................................................................................................................................................ 232
16.3 To start and stop forced cooling..................................................................................................................................... 233
17 Technical data 234
17.1 Piping diagram: Outdoor unit......................................................................................................................................... 234
17.2 Piping diagram: Indoor unit............................................................................................................................................ 235
17.3 Wiring diagram: Outdoor unit ........................................................................................................................................ 236
17.4 Wiring diagram: Indoor unit ........................................................................................................................................... 237
17.5 Wiring diagram: Gas boiler ............................................................................................................................................. 243
17.6 ESP curve: Indoor unit..................................................................................................................................................... 244
17.7 Technical specifications: Gas boiler................................................................................................................................ 245
17.7.1 General ........................................................................................................................................................... 245
17.7.2 Energy-related products specifications ......................................................................................................... 247
17.7.3 Appliance category and supply pressure ....................................................................................................... 248
18 Glossary 252
19 Field settings table 253