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Configuration
Installer reference guide
178
ERGA04~08EAV3(A) + EHBH/X04+08EA/EJ6V+9W
Daikin Altherma 3 R W
4P629085-1 – 2020.08
In case of
Reheat only
domestic hot water preparation, the desired tank
temperature is weather dependent (according to the weather dependent curve).
During weather dependent operation, the end-user cannot adjust the desired tank
temperature on the user interface. Also see
#
Code
Description
[5.C]
[0-0E]
[0-0D]
[0-0C]
[0-0B]
WD curve
:
T
DHW
T
a
[0-0C]
[0-0B]
[0-0E]
[0-0D]
▪
T
DHW
: The desired tank temperature.
▪
T
a
:
The
(averaged)
outdoor
ambient
temperature
▪
[0-0E]: low outdoor ambient temperature: –
40°C~5°C
▪
[0-0D]: high outdoor ambient temperature:
10°C~25°C
▪
[0-0C]: desired tank temperature when the
outdoor temperature equals or drops below
the low ambient temperature: 45°C~[6‑0E]°C
▪
[0-0B]: desired tank temperature when the
outdoor temperature equals or rises above the
high ambient temperature: 35°C~[6‑0E]°C
Margin
In domestic hot water operation, the following hysteresis value can be set for the
heat pump operation:
#
Code
Description
[5.D]
[6-01]
The temperature difference determining the heat
pump OFF temperature.
Range: 0°C~10°C
Example: setpoint (T
U
)>maximum heat pump temperature–[6‑01] (T
HP MAX
–[6‑01])
t
T
DHW
T
HP ON
T
HP OFF
T
HP MAX
T
U
=
T
BUH OFF
[6-01]
[6-00]
T
U
= 60°C
T
HP MAX
= 50°C
[6-01] = 2°C
[6-00] = 2°C
HP
BUH
HP
5
10
20
30
40
46
48
50
60
BUH
Backup heater
