Siemens RVA63.242 - Maintained Boiler Return Temperature; Maintained Boiler Return Temperature with Mixing Valve; Maintained Boiler Return Temperature with Consumer Influence

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Siemens Building Technologies Basic Documentation RVA63.242, RVA53.242 CE1P2373E
Landis & Staefa Division Description of OEM settings 26.03.2001
Maintained boiler return temperature
5.16 Maintained boiler return temperature with
mixing valve
Optimum boiler return temperature.
Maintained boiler return temperature is ensured with a 3-position mixing valve.
Setting range Unit Factory setting
0 / 1 – 1
The settings have the following meaning:
0 Maintained boiler return temperature is ensured without mixing valve.
1 Maintained boiler return temperature with mixing valve.
This setting has an influence on the type of plant (line 53).
5.17 Maintained boiler return temperature with
consumer influence
The effect on the consumers can be adjusted.
You can choose whether the maintained boiler return temperature shall have an effect
on the consumers.
Setting range Unit Factory setting
0 / 1 – 1
The settings have the following meaning:
0 Maintained boiler return temperature does not affect the consumers.
1 Maintained boiler return temperature affects the consumers.
The action is comparable to that of the protective boiler start-up (operating line
10
OEM
).
However, in place of minimum limitation of the boiler temperature (TKmin)
minimum limitation of the boiler return temperature is used
(TKRmin),
and in place of
the boiler temperature the return temperature is used.
This function necessitates a return sensor.
Benefit
Description
Setting
Effect
Note
Benefit
Description
Setting
Effect