Operation Manual

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Siemens Schweiz AG User Manual CE1U2354en
HVAC Products Configuration 23. August 2007
Connections:
QX21 QX22 QX23 BX21 BX22 H2 Page
Multifunction
* * * * * *
Heating circuit
2
Y5 Y6 Q6 B12 * *
163
Return temp
controller
Y7 Y8 Q1 B7 * * 163
Solar DHW
heating
* * Q5 B6 B31 * 164
Primary
controller
Y19 Y20 Q14 B15 * * 164
DHW primary
controller
Y31 Y32 Q3 B35 * * 164
Instantaneous
DHW heater
Y33 Y34 Q34 B38 B39 Flow
switch
164
Return
controller
cascade
Y25 Y26 Q25 B70 B10 * 165
Cooling circuit
1
Y23 Y24 Q24 B16 * * 163
* Freely selectable in QX…/ BX...
QX extension module
Can be configured for freely selectable QX…/ BX...
Line no. Operating line
6030
6031
6032
Relay output QX21, QX22, QX23
None
Circulating pump Q4
El imm heater DHW K6
Collector pump Q5
H1 pump Q15
Boiler pump Q1
Bypass pump Q12
Alarm output K10
2nd pump speed HC1 Q21
2nd pump speed HC2 Q22
2nd pump speed HCP Q23
Heat circ pump HCP Q20
H2 pump Q18
System pump Q14
Heat gen shutoff valve Y4
Solid fuel boiler pump Q10
Time program 5 K13
Buffer return valve Y15
Solar pump ext exch K9
Solar ctrl elem buffer K8
Solar ctrl elem swi pool K18
Collector pump 2 Q16
H3 pump Q19
Flue gas relay K17
Assisted firing fan K30
Cascade pump Q25
St tank transfer pump Q11
DHW mixing pump Q35
DHW interm circ pump Q33
Heat request K27
Refrig demand K28
Dehumidifier K29
Diverting valve, cooling Y21
Refer to function description, operating line "Relay output QX1".