10 | Configuration
Installer reference guide
203
EPRA14~18D + ETVH/X16S18+23E
Daikin Altherma 3 H HT F
4P644737-1A – 2022.03
NOTICE
ONLY disable water pipe freeze prevention if glycol is used. For more information on
freeze protection by glycol, see "8.2.6 To protect the water circuit against
freezing"[492].
Benefit kWh power supply
# Code Description
[9.8.2] [D-00] 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).
Setting2 is only meaningful if the preferential
kWh rate power supply is of type1 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.
[9.8.3] [D-05] Restriction: Only applicable if [9.8.4] is NOT set
to Smart grid.
Allow pump:
▪ 0 No: Pump is forced off
▪ 1 Yes: No limitation