Daikin Altherma ERGA04E V3 Series, Руководство по установке для специалистов

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11 | Commissioning
Installer reference guide
241
ERGA04~08E + 23E
Daikin Altherma 3 R F
4P629090-1C – 2022.08
To stop an underfloor heating (UFH) screed dryout
U3-error
When the program is stopped by an error or an operation switch off, the U3 error
will be displayed on the user interface. To resolve the error codes, see
"14.4 Solving problems based on error codes" [
4
258].
In case of a power failure, the U3 error is not generated. When power is restored,
the unit automatically restarts the latest step and continues the program.
Stop UFH screed dryout
To manually stop underfloor heating screed dryout:
1 Go to [A.4.3]: Commissioning > UFH screed dryout —
2 Select
Stop UFH screed dryout
.
3 Select OK to confirm.
Result: The underfloor heating screed dryout is stopped.
Read out UFH screed dryout status
When the program is stopped due to an error, an operation switch-off, or a power
failure, you can read out the underfloor heating screed dryout status:
1 Go to [A.4.3]: Commissioning > UFH screed dryout >
Status
2 You can read out the value here: Stopped at + the step
where the underfloor screed dryout was stopped.
—
3 Modify and restart the execution of the program
(a)
. —
(a)
If the UFH screed dryout program was stopped due to a power failure and the power
resumes, the program will automatically restart the last implemented step.