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Subject to change without notice.
83054800bUK – Translation into English of the original German operating manual ait-deutschland GmbH
1 Safety temperature button on
electric heating element
2 Reset button
NOTE.
If the safety temperature limiter has triggered, this
is indicated at the heating and heat pump controller.
Overflow valve
TESTING AND SETTING THE OVERFLOW VALVE
(ONLY NECESSARY FOR INTEGRATION OF STORAGE TANKS
CONNECTED IN SERIES)
In the IBN Wizard it is possible to set the overflow valve
according to the hydraulic system for integration of storage
tanks connected in series.
Confirm IBN Wizard or make the setting via:
Service >> Settings >> Efficiency pump
The „Set overflow valve“ menu item is pre-set to „No“. The
overflow valve setting function is deactivated.
•
Control signal UWP is the display of the currently re-
quested pump delivery in %
•
Actual flow is the current flow (measuring accuracy
+/- 200l/h)
SETTING THE OVERFLOW VALVE
Open the overflow valve fully, close heating circuits
Switch the „Set overflow valve“ menu item from No“
to „Yes“; the circulation pump is then activated with
100% – the pump starts up.
If the control signal UWP 100% has been reached,
close the changeover valve so that the nominal flow
can be ensured (see technical data).
After leaving the „Set overflow valve“ menu or after 1
hour at the latest the circulation pump switches back
to default control
Valves for heating open
NOTE.
Always complete the following steps within a
relatively short time. The heat pump switches
to high-pressure fault if the maximum return
temperature is exceeded.
