![background image](http://html1.mh-extra.com/html/daikin/ebla04e-v-series/ebla04e-v-series_service-manual_4704429088.webp)
3
|
Troubleshooting
Service manual
88
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
3.4.9 Symptom: Domestic hot water capacity shortage
Root cause category: end user
Possible failure
Root cause
Check
Repair
Too low domestic hot
water setpoint.
User set too low domestic
hot water setpoint by
schedule or manual
operation.
Check domestic hot water
tank set temperature in
combination with boiler
volume and hot water
usage.
Adapt domestic hot water
setpoint (e.g. 50~55°C).
(Remark: check the
weather dependent
settings (relation outdoor
temperature - setpoint) in
case weather dependent
control is activated.)
Domestic hot water NOT
activated.
—
Check if domestic hot
water heating is activated.
—
Root cause category: parameter (setting)
Possible failure
Root cause
Check
Repair
Setting domestic hot water
operation mode [6‑0D]
NOT set optimally.
Setting domestic hot water
operation mode [6‑0D] is
set to 2 (scheduled ONLY).
Check setting [6‑0D].
In case schedule is ONLY
used, assure that the
programmed schedule is in
line with the timings hot
water is required. Adapt
the schedules if necessary.
Root cause category: installation
Possible failure
Root cause
Check
Repair
3‑way valve does NOT
switch correctly between
space heating (cooling)
connection and domestic
hot water connection.
3‑way valve incorrectly
mounted.
Check the 3‑way valve.
Correct the position of the
3‑way valve.
Root cause category: component – electrical
Possible failure
Root cause
Check
Repair
3‑way valve blocked.
Component failure.
Check the 3‑way valve.
Replace the 3‑way valve.
Deviation of domestic hot
water tank thermistor.
Domestic hot water tank
thermistor measures a
higher temperature than
actual (component failure).
Check domestic hot water
tank thermistor.
Replace domestic hot
water tank thermistor.
draft – 31/05/2022 15:53
Содержание EBLA04E V Series
Страница 322: ...14 14...
Страница 323: ......
Страница 324: ...draft 31 05 2022 15 53 ESIE22 09 2022 05 Copyright 2022 Daikin Verantwortung f r Energie und Umwelt...