Daikin EWYA004D2V3P Installer's Reference Manual page 172

11 | Configuration
Bivalent
Installer reference guide
172
You can calibrate the external outdoor ambient temperature sensor. It is possible
to give an offset to the thermistor value. This setting can be used to compensate
for situations where the external outdoor ambient sensor cannot be installed on
the ideal installation location.
# 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]
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.
NOTICE
Bivalent operation is only possible if space heating is turned ON.
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.
Ext. amb. sensor offset: Offset on the
ambient temperature measured on the external
outdoor temperature sensor.
▪ –5°C~5°C, step 0.5°C
Averaging time:
▪ 0: No averaging
▪ 1: 12 hours
▪ 2: 24 hours
▪ 3: 48 hours
▪ 4: 72 hours
"6.6 Setting up an external temperature
Description
Description
sensor" [ 4 47].
EWAA004~008D + EWYA004~008D
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688013-1B – 2022.09