Thermal Disinfection (Anl 1 To 3) - Samson TROVIS 5474 Mounting And Operating Instructions

Thermal disinfection (Anl 1 to 3)

7.3
In all systems with DHW heating, the DHW storage tank is thermally disinfected on the selected
Day of week or daily. The storage tank is heated up to the adjusted Disinfection temperature .
The charging temperature is always 5 °C higher than the Disinfection temperature .
Thermal disinfection starts at the adjusted Start time and finishes at the Stop time at the latest. If
the Disinfection temperature is not reached at the end of thermal disinfection,
display. The error alarm is automatically reset when the Disinfection temperature is reached
during the next thermal disinfection.
Thermal disinfection for preventing legionella infection causes
4
high return flow temperatures during the disinfection cycle (return flow temperature limita-
tion suspended),
4
high storage tank temperatures after thermal disinfection has been concluded,
4
lime scale (possibly), which can have a negative effect on heat exchanger performance.
Note!
This function is not available when a storage tank thermostat is used.
Functions
Heating circuit with DHW heating
Storage tank sensor SF1
Thermal disinfection
WE Configuration
OFF Co5 -> Fb13 = ON
OFF Co5 -> Fb03 = ON
OFF Co4 -> Fb08 = ON
3 Day of week / 0, 1 to 7 (daily, Mon to Sun)
70 °C Disinfection temperature / 50 to 80 °C
00:00 Start time / 00:00 to 23:59 h
04:00 Stop time / 00:00 to 23:59 h
Functions of the DHW circuit
blinks on the
EB 5474 EN
47