
9
Key for
2
1
Readout level
2
Service level
1.1
Cumulated cold energy since
commissioning
2.1
Current flow rate
1.2
Cumulated heat energy since commis-
sioning
2.2
Inlet temperature
1.3
Display test "everything on"
2.3
Outlet temperature
1.4
Display test "everything off"
2.4
Temperature difference
1.5
Due date value cold energy
2.5
Current performance
1.6
Due date* cold energy
2.6
Cumulated cold energy volume since
commissioning
1.7
Due date value heat energy
2.7
Cumulated heat energy volume since
commissioning
1.8
Due date heat energy
2.8
Next due date cold energy
2.9
Next due date heat energy
2.10
Device number
* The production date is displayed here before the first due date.
LT = long button press
KT = short button press
...S = display duration