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Siemens Building Technologies Basic Documentation RVA63.242, RVA53.242 CE1P2373E
Landis & Staefa Division Description of OEM settings 26.03.2001
5.38 Setpoint of legionella function
Adjustable temperature level to kill legionella viruses.
The setpoint of the legionella function is an adjustable temperature level to which the
d.h.w. temperature is raised when the legionella function is activated (refer to section
"Legionella function“). Also refer to "legionella function" in Index (setting line 52
OEM
).
Setting range Unit Factory setting
8...95 °C 65
The setting changes the d.h.w. setpoint during the period of time the d.h.w. is heated
up as a result of the legionella function.
5.39 Discharge protection during d.h.w. heating
Presents discharging of the d.h.w. storage tank due to too low flow temperatures during
d.h.w. heating.
Setting range Unit Factory setting
0...2 – 2
The setting activates or deactivates the protection against discharging:
0 Protection against discharging is not active
1 Protection against discharging is active
2 Protection against discharging is active only when heat generation is locked
When protection against discharging of the d.h.w. is active, the boost of the flow
temperature (operating line 126) is checked during the heating cycle:
− If at least half the boost value is reached, d.h.w. heating will be released
− If the boost value is less than 1/8 of the value set, d.h.w. heating will be interrupted
(pump will overrun for at least 1 minute) 1 min
Benefit
Description
Setting
Effect
Description
Setting
Effect
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