Daikin Altherma 3 H MT ECH2O, Operation Manual

Page: 19 / 24

9 Disposal
Operation manual
19
ETSH/X(B)12P30+50EF
Daikin Altherma 3 H MT ECH
₂ O
4P663481-1 – 2021.07
▪ 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 off , space heating operates as
normally but 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, or will appear on the user
interface.
Possible cause Corrective action
Heat pump is damaged. See "8.1 To display the help text
in case of a malfunction" [
4
18].
INFORMATION
When the backup heater takes over the heat load,
electricity consumption will be considerably higher.
8.6 Symptom: The system is making
gurgling noises after
commissioning
Possible cause Corrective action
There is air in the system. Purge air from the system.
(a)
Incorrect hydraulic balance. To be performed by the installer:
1 Perform hydraulic balancing
to assure that the flow is
correctly
distributed
between the emitters.
2 If hydraulic balancing is not
sufficient, change the pump
limitation settings ([9-0D]
and [9-0E] if applicable).
Various malfunctions.
Check if or is displayed
on the home screen of the user
interface. See
"8.1 To display the
help text in case of a
malfunction"
[
4
18] for more
information about the
malfunction.
(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 or
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.
9 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.
10 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.
11 Installer settings: Tables to be
filled in by installer
11.1 Configuration wizard
Setting Fill in…
System
Indoor unit type (read only)
Backup heater type
[9.3.1]
(read only)
Domestic hot water
[9.2.1]
Emergency [9.5]
Number of zones [4.4]
Glycol Filled system
(overview field setting [E‑0D])
Solar [9.2.4]
Backup heater
Voltage [9.3.2]
Configuration [9.3.3]
Capacity step 1 [9.3.4]
Additional capacity step 2
[9.3.5] (if applicable)
Main zone
Emitter type
[2.7]
Control [2.9]
Setpoint mode [2.4]
Schedule [2.1]
WD curve type [2.E]
Additional zone (only if [4.4]=1, dual zone)
Emitter type
[3.7]
Control (read only) [3.9]
Setpoint mode [3.4]
Schedule [3.1]
WD curve type [3.C] (read only)
Tank
Heat up mode [5.6]
Hysteresis [5.9]