Daikin Altherma 3 R F Installer's Reference Manual page 257

ERGA04~08EA + EHVH/X04+08S18+23EA/EJ
Daikin Altherma 3 R F
4P629086-1A – 2021.11
INFORMATION
In case of error code AH and no interruption of the disinfection function occurred
due to domestic hot water tapping, following actions are recommended:
▪
When the Reheat only or Schedule + reheat mode is selected, it is
recommended to program the start-up of the disinfection function at least
4 hours later than the last expected large hot water tapping. This start-up can be
set by installer settings (disinfection function).
▪
When the Schedule only mode is selected, it is recommended to program an
Eco action 3 hours before the scheduled start-up of the disinfection function to
preheat the tank.
NOTICE
When the minimum water flow is lower than described in the table below, the unit
will temporarily stop operation and the user interface will display error 7H‑01. After
some time, this error will reset automatically and the unit will resume operation.
Minimum required flow rate
12 l/min
INFORMATION
Error AJ-03 is reset automatically from the moment there is a normal tank heat-up.
INFORMATION
The user interface will display how to reset an error code.
14 Troubleshooting
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Installer reference guide
257