Operation - Daikin Altherma 3 WS EWSAH06UD 9W Series Installer's Reference Manual

Central water loop valve opening
Overview field settings

11.5.10 Operation

EWSAH/X06UD
Daikin Altherma 3 WS
4P675765-1 – 2022.04
# Code
[9.N] [A‑04]
NOTICE
The Water loop freezing temperature setting can be modified and read out
in [9.N].
After changing the setting in [9.N] or in the field settings overview [9.I], wait 10
seconds before restarting the unit via the user interface to ensure that the setting is
correctly saved in the memory.
This setting can ONLY be modified if the communication between hydro module and
compressor module is present. The communication between hydro module and
compressor module is NOT guaranteed and/or applicable if:
▪
error "U4" appears on the user interface,
▪
the heat pump module is connected to preferential kWh rate power supply
where power supply is interrupted and preferential kWh rate power supply is
activated.
By default, the central water loop valve is closed if there is no demand. To avoid
water stagnation over longer periods, set the unit to regularly open the valve
during a short time.
# Code
[9.O] [3‑0A]
[3‑0B]
Almost all settings can be done using the menu structure. If for any reason it is
required to change a setting using the overview settings, then the overview
settings can be accessed in the field settings overview [9.I]. See
4
overview setting" [ 140].
To enable or disable functionalities
In the operation menu, you can separately enable or disable functionalities of the
unit.
Description
Water loop freezing temperature
▪ 0: 2°C
▪ 1: –2°C
▪ 2: –4°C
▪ 3: –6°C
▪ 4: –9°C
▪ 5: –12°C
▪ 6: –15°C
▪ 7: –18°C
Description
Water loop valve opening, Frequency:
▪ 0: Off
▪ 1: Every day
▪ 2: Every Week
Water loop valve opening, Duration:
▪ 30~120 minutes, step 30 minutes
11 Configuration
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"To modify an
Installer reference guide
209