Daikin Altherma 3 M Installer's Reference Manual page 208

11 | Configuration
Bivalent
Installer reference guide
208
Averaging time
The average timer corrects the influence of ambient temperature variations. The
weather-dependent setpoint calculation is done on the average outdoor
temperature.
The outdoor temperature is averaged over the selected time period.
# Code
[9.B.3] [1-0A]
INFORMATION
If the power saving function is activated (see [E‑08]), the average outdoor
temperature calculation is only possible in case the external outdoor temperature
sensor is used. See
Bivalent
Only applicable in case of auxiliary boiler.
About bivalent
The purpose of this function is to determine which heating source can/will provide
the space heating, either the heat pump system or the auxiliary boiler.
# Code
[9.C.1] [C-02]
▪ If Bivalent is enabled: When the outdoor temperature drops below the
bivalent ON temperature (fixed or variable based on energy prices), the space
heating by the heat pump stops automatically and the permission signal for the
auxiliary boiler is active.
▪ If Bivalent is disabled: Space heating is only done by the heat pump within the
operation range. The permission signal for the auxiliary boiler is always inactive.
The switch-over between the heat pump system and the auxiliary boiler is based
on the following settings:
▪ [C‑03] and [C‑04]
▪ Electricity and gas prices ([7.5.1], [7.5.2], [7.5.3], and [7.6])
[C‑03], [C‑04], and T
calc
Averaging time:
▪ 0: No averaging
▪ 1: 12 hours
▪ 2: 24 hours
▪ 3: 48 hours
▪ 4: 72 hours
"6.7 Setting up an external temperature
Bivalent: Indicates if the space heating is also
performed by means of another heat source than
the system.
▪ 0 No: Not installed
▪ 1 Yes: Installed. The auxiliary boiler (gas boiler,
oil burner) will operate when the outdoor
ambient temperature is low. During bivalent
operation, the heat pump is turned off. Set this
value in case an auxiliary boiler is used.
Description
4
sensor" [ 63].
Description
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
4P620241-1 – 2020.06