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Legend:
TKOprot = Collector protection temperature (08-010)
TKOmax = Collector maximum temperature (08-011)
TxU = Consumer temperature bottom
TKO = Collector temperature
Collector maximum temperature
90 °C (08-011)
Collector protection temperature
120 °C (08-010)
Pump always off
Reactivation temperature
80 °C (08-011
– 10K)
Protection temperature consumer 1
95 °C (08-060)
Pump always off
Protection temperature consumer 2
95 °C
Pump always off
Protection temperature consumer 3
95 °C
Pump always off
off =
No protection
PS1 (charging allowed) if TKO < TKOprot (08-010) and TxU < Txmax (08-059)
PS1 (block charging) if TKO > TKOprot (08-010) or TxU > Txmax (08-059)
PS1 (enable charging) if TKO < TKOMax (08-011)
– 10K
on =
Overheating protection:
PS1 (charging allowed) if TKO < TKOprot (08-010) and TxU < Txprot (08-060) Overheating
protection active if TKOmax (08-011) < TKO < TKOprot (08-010)
PS1 (block charging) if TKO > TKOprot (08-010) or TxU > Txprot (08-060) Overheating
protection off or enable charging if TKO < TKOmax (08-011)
– 10K
12.4.8. Priority overheating protection
If there is overheating on the collector, the heat is output to the consumer with the greatest priority that has not yet
reached its protection temperature; discharging continues until all consumers are at their protection temperature.
The protection temperature can be registered by all sensors in the consumer. The one at which this temperature is
reached first triggers the switch-off.
Notice:
The active setting (08-005) is not allowed to be made in conjunction with a storage tank that has a
permitted maximum temperature below 95 °C. Also, it is not permitted for the setting to be made if there
is no scalding protection installed in the drinking water line.
