Daikin ETVZ16S18EA6V Installer's Reference Manual page 186

10 | Configuration
Water pipe freeze prevention
Benefit kWh power supply
Installer reference guide
186
# Code
[9.6.7] [8-04]
Only relevant for installations with water piping outdoors. This function tries to
protect outdoor water piping from freezing.
# Code
[9.7] [4-04]
NOTICE
Water pipe freeze prevention. Even if you turn OFF space heating/cooling operation
([C.2]: Operation > Space heating/cooling), water pipe freeze prevention –if
enabled– will remain active.
NOTICE
ONLY disable water pipe freeze prevention if glycol is used. For more information on
freeze protection by glycol, see
4
freezing" [ 78].
# Code
[9.8.2] [D-00]
Description
Additional timer: Additional running time
for the maximum running time depending on the
outdoor temperature [4-02] or [F-01].
Range: 0~95 minutes
Description
Water pipe freeze prevention:
▪ 0: Intermittent
▪ 1: Continuous
▪ 2: Off
"8.2.6 To protect the water circuit against
Description
Restriction: Only applicable if [9.8.4] is NOT set
to Smart grid.
Allow heater: Which heaters are allowed to
operate during preferential kWh rate power
supply?
▪ 0 No: None
▪ 1 Only BSH: Booster heater only
▪ 2 Only BUH: Backup heater only
▪ 3 All: All heaters
See also below table (Allowed heaters during
preferential kWh rate power supply).
Setting 2 is only meaningful if the preferential
kWh rate power supply is of type 1 or the hydro
module is connected to a separate normal kWh
rate power supply (via X2M/5‑6) and the backup
heater is NOT connected to the preferential kWh
rate power supply.
EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W
Daikin Altherma 3 H HT F
4P644739-1 – 2021.02