5
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Third party components
Service manual
268
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
Was a leaking domestic hot water tap
found in the installation?
Action
Yes
Replace the leaking domestic hot water
tap, see
No
Return to the troubleshooting of the
specific error and continue with the
next procedure.
To check for leaks in the water circuit
1
Inspect the installation outside the unit and check for leaks.
A leak was found in the installation?
Action
Yes
Repair the leak in the installation, see
269].
No
Return to the troubleshooting of the
specific error and continue with the
next procedure.
To check if the water circuit is clogged
1
Check that all field piping is done according to the good practice and installer
reference guide:
▪
Correct piping diameters
▪
Piping distance limits are followed
▪
NO pipes are squeezed
▪
NO short radius bends
2
Turn ON the power of the unit.
3
Activate
Heating
operation via the user interface.
4
Wait for the system to run at a more or less stable condition.
5
On the water circuit piping, using a contact thermometer, measure the
temperature before and after every position with a potential risk for clogging.
If a big temperature difference is measured, an internal pipe obstruction may
be present at this location.
INFORMATION
Focus on positions with a potential risk for clogging such as:
▪
Filters
▪
Valves
▪
Brazing points
▪
…
Temperature drop found?
Action
Yes
Replace the clogged part, see
269].
No
Return to the troubleshooting of the
specific error and continue with the
next procedure.
draft – 31/05/2022 15:53
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