Setpoint Of The Legionella Function; Protection Against Discharging Of D.h.w - Siemens RVA47.320 User Manual

Notes
Benefit
Description
Setting
Effect
Benefit
Description
Setting
Effect
Siemens Building Technologies
HVAC Products
1 ON: The function will be activated every Monday morning when d.h.w. is heated
up for the first time and lasts a maximum of 2.5 hours. The d.h.w. is heated up to
the adjusted legionella setpoint. Also refer to line 43
This function is possible only when d.h.w. heating is released by the d.h.w. heating
program.
If the legionella function is aborted during the usual time (on Mondays), it will be
repeated the next time the d.h.w. setpoint is changed
6.2

Setpoint of the 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 (also refer to
section "Legionella function"). For details, also refer to "Legionella function", line 42
1. Press the line selection buttons to select line 43OEM.
2. Press the + / – buttons to adjust the required setpoint.
Setting range
8...95
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.
6.3

Protection against discharging of d.h.w.

•
Prevents inadvertent discharging of the d.h.w. storage tank via the heating system
Prevents inadvertent discharging of the d.h.w. storage tank by cold water from the
heating circuit.
1. Press the line selection buttons to select line 44OEM.
2. Press the + / - buttons to activate or deactivate the protection against discharging.
Setting range
0...2
The setting activates or deactivates the protection against discharging:
0 Protection against discharging is not active
1 Protection against discharging is active
Continuous protection with released or logged heat generation based on the
actual value of flow sensor B10, boiler sensor B2 or of the buffer storage tank.
2 Protection against discharging is active only when heat generation is locked
Protection only either when heat generation is logged based on comparison
between flow sensor B2 and buffer storage tank or
Basic Documentation RVA47.320
Description of the OEM settings
Unit
°C
Unit
-
.
OEM
Factory setting
65
Factory setting
2
125/166
CE1P2379E
15.07.2002
.
OEM