Daikin Altherma 3 R F Installer's Reference Manual page 215

Bivalent
ERGA04~08EA + EHVH/X04+08S18+23EA/EJ
Daikin Altherma 3 R F
4P629086-1A – 2021.11
# Code
[9.B.2] [2-0B]
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]
Bivalent
Only applicable in case of auxiliary boiler.
NOTICE
Bivalent operation is only possible if:
▪
Space heating is turned ON, and
▪
DHW tank operation is turned OFF.
INFORMATION
Bivalent is only possible in case of 1 leaving water temperature zone with:
▪
room thermostat control, OR
▪
external room thermostat control.
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]
Description
Ext. amb. sensor offset: Offset on the
ambient temperature measured on the external
outdoor temperature sensor.
▪ –5°C~5°C, step 0.5°C
Description
Averaging time:
▪ 0: No averaging
▪ 1: 12 hours
▪ 2: 24 hours
▪ 3: 48 hours
▪ 4: 72 hours
Description
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.
10 Configuration
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Installer reference guide
215