Advertenties
OMNIA SW-T 3.2
Symptom 5: The water pressure relief valve leaks
Possible causes
Symptom 6
Possible causes
not activated.
plicable to installations with DHW tank ).
Symptom 7
Possible causes
The volume of ACS tank is too small and the
position d she water temperature probe not high
enough.
Symptom 8
Possible causes
Insufficient surface of the DHW tank coil
The disinfection function is enabled but without
TBH
Switching manual FAST DHW function, in this
DHW tank has been satisfied
Symptom 9:
Possible causes
Insufficient surface of the DHW tank coil
TBH or AHS not available
Corrective action
Corrective action
Check if the electric heater of the DHW tank is working, the backup heater and the electric heater of the DHW tank cannot
work at the same time.
Check that the parameters " t_DHWHP_MAX " and " t_DHWHP_RESTRICT " are configured in an appropriate manner:
-
(TBH, see "9.2 Service parameters table" on page 117 ) .
Corrective action
Set the "dT1S5" parameter to the maximum value .
value is 60min).
Set dT1SH to 2°C.
Enable DHW boiler electric resistance (TBH, see "9.2 Service parameters table" on page 117 ).
Corrective action
value is 60min ).
Normal, it does not require heating.
Disable the disinfection function.
Add TBH or AHS for the DHW mode and for anti-legionella disinfection.
Manual deactivation of the FAST DHW function.
of the DHW tank has been satisfied.
Corrective action
value is 60min).
the DHW setpoint .
parameter.
Add TBH or AHS for DHW mode.
Cod. 354M000010 - Rev. 03 - 06/2023
EN
123
Advertenties
