Siemens RVS41.813 - Heating Circuit 2

2-pipe system
Q2
HK
T
Y1/Y2
B1
Q24
KK
T
Y23/Y24
B16
The cooling and heating circuits draw their
cooling / heating energy from the same
common flow.
Use of mi
xing valve 1
The parameter is only active
in a 4-pipe system.
Heating Cooling Heating and cooling
Q2
HK/KK
T
B1
Y1/Y2
Y21
H
K
K
H
Q2
HK/KK
T
B1
Y1/Y2
Y21
H
K
H
K
Q2
HK/KK
T
B1
Y1/Y2
Y21
H
K
K
H
HK Heating circuit
KK Cooling circuit
H Primary heating circuit
K Primary cooling circuit
The setting is required when one of the QX… relay outputs (configuration) is used as a
diverting cooli
ng valve Y21.
Heating circuit 2
Line no. Operating line
5715 Heating circuit 2
Off ¦ On
Using this setting, heating circuit 2 can be switched on and off. Heating circuit
2
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Siemens Switzerland Ltd User manual RVS61.843, RVS41.813 CE1U2355en_02
HVAC Products 6 The settings in detail 28. September 2009