Symptom: The System Is Making Gurgling Noises After Commissioning - Daikin ERGA04EAV37 Installer's Reference Manual

15 | Troubleshooting

15.3.4 Symptom: The system is making gurgling noises after commissioning

Installer reference guide
260
Possible causes
Domestic hot water (including
disinfection) and space heating
operation are scheduled to start at the
same time.
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:
WARNING
Air purging heat emitters or collectors. Before you purge air from heat emitters or
collectors, check if
▪
If not, you can purge air immediately.
▪
If yes, make sure that the room where you want to purge air is sufficiently
ventilated. Reason: Refrigerant might leak into the water circuit, and
subsequently into the room when you purge air from the heat emitters or
collectors.
Change the schedule to not start both
operation modes at the same moment.
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
"15.4.1 To display the help text in case
of a malfunction" [
information about the malfunction.
or is displayed on the home screen of the user interface.
ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF
Corrective action
Corrective action
(a)
balancing is
change the
or is displayed on the
4
264] for more
Daikin Altherma 3 R ECH₂O
4P678716-1A – 2022.07
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pump