▪ When auto emergency is set to Manual and a heat pump failure
occurs, the domestic hot water and space heating operation will
stop and need to be recovered manually via the user interface. To
recover operation manually, go to the Malfunctioning main
menu screen, where the user interface will then ask you to confirm
whether the backup heater and/or booster heater can take over
the heat load or not.
When the heat pump fails,
interface.
Possible cause
Heat pump is damaged.
INFORMATION
When the backup heater or booster heater takes over the
heat load, electricity consumption will be considerably
higher.
6.5
Symptom: The system is making
gurgling noises after
commissioning
Possible cause
There is air in the system.
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
is displayed on the home screen of the user interface.
▪ 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.
7
Disposal
NOTICE
Do NOT try to dismantle the system yourself: dismantling
of the system, treatment of the refrigerant, oil and other
parts MUST comply with applicable legislation. Units
MUST be treated at a specialised treatment facility for
reuse, recycling and recovery.
EABH/X16DF6V+9W + EAVH/X16S(U)18+23DA6V+9W
Daikin Altherma 3 H F+W
4P644480-1 – 2020.12
or
will appear on the user
Corrective action
See
"6.1 To display the help text
malfunction" [ 4 14].
in case of a
Corrective action
(a)
Purge air from the system.
Check if
or
is displayed
on the home screen of the user
interface. See
"6.1 To display the
help text in case of a
malfunction" [ 4 14] for more
information about the
malfunction.
or
8
Glossary
DHW = Domestic hot water
Hot water used, in any type of building, for domestic
purposes.
LWT = Leaving water temperature
Water temperature at the water outlet of the unit.
7 Disposal
Operation manual
15