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Siemens Switzerland Ltd User Manual CE1U2353en
HVAC Products Configuration 02.06.2009
6.14 Configuration
Heating circuits
Line no. Operating line
HC1 HC2
5710 5715 Heating circuit 1, 2
Using this setting, the heating circuits can be switched on and off.
Line no. Operating line
5711
Cooling circuit 1
Off
4-pipe system
2-pipe system
5712
Use of mixing valve 1
Heating
Cooling
Heating and cooling
Off
The cooling circuit is deactivated.
4-pipe system
The cooling and heating circuits draw their
cooling/heating energy from separate
primary circuits.
2-pipe system
The cooling and heating circuits draw their
cooling/heating energy from the same
primary circuit.
Heating Cooling Heating and cooling
Q2
HC/CC
T
B1
Y1/Y2
Y21
H
C
Q2
HC/CC
T
B1
Y1/Y2
Y21
H
C
The setting is required when a QX… relay output (configuration) is used as a diverting
cooling valve Y21.
Cooling circuit 1
Use of mixing valve 1
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