Symptom: The System Is Making Gurgling Noises After Commissioning - Daikin ETSH12P50EF User Reference Manual

8.6 Symptom: The system is making gurgling noises after commissioning

ETSH/X(B)12P30+50EF
Daikin Altherma 3 H MT ECH₂O
4P663480-1A – 2022.07
▪ When Emergency is set to Automatic and a heat pump failure occurs, the
backup heater or boiler automatically takes over the domestic hot water
production and space heating.
▪ When Emergency is set to Manual and a heat pump failure occurs, the
domestic hot water heating and space heating stops.
To manually recover it via the user interface, go to the Malfunctioning main
menu screen and confirm whether the backup heater can take over the heat load
or not.
▪ Alternatively, when Emergency is set to:
- auto SH reduced/DHW on, space heating is reduced but domestic hot
water is still available.
- auto SH reduced/DHW off, space heating is reduced and domestic hot
water is NOT available.
- auto SH normal/DHW
domestic hot water is NOT available.
Similarly as in Manual mode, the unit can take the full load with the backup
heater or boiler if the user activates this via the Malfunctioning main menu
screen.
When the heat pump fails,
Possible cause
Heat pump is damaged.
INFORMATION
When the backup heater takes over the heat load, electricity consumption will be
considerably higher.
Possible cause
There is air in the system.
Incorrect hydraulic balance.
Various malfunctions.
(a)
We recommend to purge air with the air purge function of the unit (to be performed by
the installer). If you purge air from the heat emitters or collectors, mind the following:
off, space heating operates as normally but
or will appear on the user interface.
See "8.1 To display the help text in case
of a malfunction" [
Purge air from the system.
To be performed by the installer:
1 Perform hydraulic balancing to
assure that the flow is correctly
distributed between the emitters.
2 If hydraulic
sufficient,
limitation settings ([9-0D] and [9-0E]
if applicable).
Check if
home screen of the user interface. See
"8.1 To display the help text in case of a
malfunction" [
information about the malfunction.
8 Troubleshooting
|
Corrective action
4
57].
Corrective action
(a)
balancing is
change the pump
or is displayed on the
4
57] for more
User reference guide
not
59