Daikin Altherma EHFH03S18D 3V Series Installer's Reference Manual page 123

ERLA03D + EHFH03S18D
Daikin Altherma 3 R F
4P596806-1C – 2022.09
The other user interface is set to At unit.
Space heating/cooling: Number of LWT zones
# Code
[A.2.1.8] [7-02]
The system can supply leaving water to up to 2 water temperature zones. During
configuration, the number of water zones must be set.
1 LWT zone:
There is only 1 leaving water temperature zone. This zone is called the main leaving
water temperature zone.
a Main LWT zone
2 LWT zones:
There are 2 leaving water temperature zones:
▪ The zone with the lowest leaving water temperature (in heating) is called the
main leaving water temperature zone.
▪ 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
Description
Number of LWT zones
▪ 0 (1 LWT zone)
▪ 1 (2 LWT zones)
a
a
c
b
10 Configuration
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Installer reference guide
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