Daikin Altherma 3 R F Installer's Reference Manual page 115

ERLA03DAV3 + EHFH03S18DJ3V
Daikin Altherma 3 R F
4P596806-1 – 2019.10
▪ The zone with the highest leaving water temperature (in heating) is called the
additional leaving water temperature zone.
Remark: In practice, the main leaving water temperature zone consists of the
higher load heat emitters and a mixing station is installed to achieve the desired
leaving water temperature.
a Additional LWT zone
b Main LWT zone
c Mixing station
Space heating/cooling: Pump operation mode
# Code
[A.2.1.9] [F-0D]
When the space heating/cooling control is OFF by the user interface, the pump is
always OFF. When the space heating/cooling control is ON, you can select the
desired pump operation mode (only applicable during space heating/cooling).
Continuous:
Continuous pump operation, regardless of thermo ON or OFF condition.
Remark: Continuous pump operation requires more energy than sample or
request pump operation.
a
b c
b c
d
a Space heating/cooling control (user interface)
b OFF
c ON
d Pump operation
Sample:
The pump is ON when there is a heating or cooling demand as the leaving water
temperature has not reached the desired temperature yet. When thermo OFF
condition occurs, the pump runs every 5 minutes to check the water temperature
and demand heating or cooling if necessary.
Remark: Sample is NOT available in external room thermostat control or room
thermostat control.
a
c
b
Description
Pump operation mode
▪ 0 (Continuous)
▪ 1 (Sample)
▪ 2 (Request)
9 Configuration
|
Installer reference guide
115