98 EB 5573-1 EN
Functions of the DHW circuit
ated prematurely if the remaining time until the disinfection temperature is reached is shorter
than the adjusted 'Duration'. The error message is automatically reset when the disinfection
temperature is properly reached during the following thermal disinfection cycle.
Thermal disinfection for preventing legionella infection causes:
− Excessively high return ow temperatures during the disinfection cycle (return ow tem-
perature limitation suspended)
− Excessively high DHW temperatures after thermal disinfection has been concluded
− Possibly lime scale, which can have a negative effect on heat exchanger performance.
Note:
This function is not available when a storage tank thermostat is used.
Functions WE Conguration
Storage tank sensor 1 1 CO4 > F01 - 1
Thermal disinfection 0
Wednesday
00:00 - 04:00
70.0°C
10.0°C
0 min
ON
CO4 > F14 - 1
Monday, Tuesday, ..., daily
Time: Adjustable as required in steps of 15 minutes
Disinfection temperature: 60.0 to 90.0°C
Boost: 0 to 50°C
Duration: 0 to 255min
Active when BI =: ON, OFF (start of disinfection
with terminal03/12 = ON,OFF; only applies when
Start time = Stop time)
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